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HP 8360 B Series, Руководство пользователя

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 COMMAND SUMMARY

The coupling equations for power sweep are exactly analogous to
those for frequency sweep. Power sweep is allowed to be negative,
unlike frequency sweeps.

See FREQ: CENT 

for a description. 

value is 0 

l 

 

 suffix] 

l 

 

Sets and queries the output level. Default units and units

for the query response are determined by the 

UNIT:POWer

command. Maximum and minimum levels refer to the

leveling mode at the time the command is sent. For example,

 ALC:SOURceMMHeadhas different effects

from 

*RST;POWer:ALC:SOURceMMHead; POWer:LEVelMIN

After *RST, the value is 0 

l 

POWer:MODE 

l 

POWer:MODE?

Sets and queries the setting of the power sweep mode switch. If in

the sweep mode then the output level is controlled by the start,
stop, center and span functions. If in the fixed power mode then the
output is controlled by the 

POW   : LEVEL] command. 

The *RST 

value

is 

l 

POWer:OFFSet 

l 

POWer:OFFSet? 

Sets and queries the power offset. This function changes mapping of
absolute power parameters on input to and output from the swept
signal generator. Changing this does not affect the output power of
the swept signal generator. Only the displayed parameters and query

responses are changed. The equation implied by this is:
The entered or displayed power   Hardware Power + Offset After

 the value is 0.

l 

POWer:OFFSet:STATe 

l 

POWer:OFFSet:STATe?

Queries and turns the power offset off and on. After 

 the

setting is 

OFF.

l 

POWer:RANGe 

l 

POWer:RANGe?

Sets and queries the setting of the power meter range. This is used

when the command 

POWer:ALC:SOURceis set to 

l 

POWer:SEARch 

l 

POWer:SEARch?

Sets and queries the power search switch. This has an interaction

with POWer:ALC:STATe as described below.

Operating and Programming Reference S-43

Содержание 8360 B Series

Страница 1: ...y swept signal generator with the model and serial number prefix combination shown below You may have to modify this manual so that it applies directly to your instrument version Refer to the Instrument History chapter HP 83620B 22B 23B 24B 3OB 4OB 50B 3844A and Below HP Part No 08360 90127 Printed in USA February 1999 Supersedes September 1997 ...

Страница 2: ...ng performance or use of this material Use duplication or disclosure by the U S Government is subject to restrictions as set forth in subparagraph c 1 ii of the Rights of Technical Data and Computer Software clause at DFARS 252 227 7013 for DOD agencies and subparagraphs c 1 and c 2 of the Commercial Computer Software Restricted Rights clause at FAR 52 227 19 for other agencies Copyright Hewlett P...

Страница 3: ...r Buyer shall pay all shipping charges duties and taxes for products returned to Hewlett Packard from another country Hewlett Packard warrants that its software and firmware designated by Hewlett Packard for use with an instrument will execute its programming instructions when properly installed on that instrument Hewlett Packard does not warrant that the operation of the instrument or software or...

Страница 4: ... operating this instrument WARNING Warning denotes a hazard It calls attention to a procedure which if not correctly performed or adhered to could result in injury or loss of life Do not proceed beyond a warning note until the indicated conditions are fully understood and met CAUTION Caution denotes a hazard It calls attention to a procedure that if not correctly performed or adhered to would resu...

Страница 5: ... socket outlet provided with a protective earth contact Any interruption of the protective conductor inside or outside the instrument is likely to make the instrument dangerous Intentional interruption is prohibited n If this instrument is used in a manner not specified by Hewlett Packard Co the protection provided by the instrument may be impaired This product must be used in a normal condition i...

Страница 6: ...ion Requirements When installing the instrument in a cabinet the convection into and out of the instrument must not be restricted The ambient temperature outside the cabinet must be less than the maximum operating temperature of the instrument by 4 C for every 100 watts dissipated in the cabinet If the total power dissipated in the cabinet is greater than 800 watts then forced convection must be u...

Страница 7: ...unique to each instrument comprise the instrument serial number SERIAL NUMBER A PREFIX SUFFIX A INSTALLED OPTIONS Figure O l Typical Serial Number Label User s Guide Tabs divide the major chapters of this manual The contents of each Organization chapter is listed in the Table of Contents HP 8360 B Series Documentation Documentation Map For a pictorial representation of the HP 8360 B Series documen...

Страница 8: ...ed to press a hardkey Softkeys Softkeys are located just below the display and their functions depend on the current display These keys are represented in softkey You are instructed to select a softkey Regulatory Information This product has been designed and tested in accordance with IEC Publication 1010 Safety Requirements for Electronic Measuring Apparatus and has been supplied in a safe condit...

Страница 9: ...o frequency interference limits are met at the border of his premises Model HP 8360 B Series swept signal generator Note Hiermit wird bescheinigt dass dieses Gerit System in ubereinstimmung mit den Bestimmungen von Postverfiigung 1046 84 funkentst rt ist Der Deutschen Bundespost wurde das Inverkehrbringen dieses Gerates Systems angezeight und die Berechtigung zur oberpriifung der Serie auf Einhalt...

Страница 10: ...1990 EN 55011 1991 Group 1 Class A IEC 801 2 1984 EN 50082 I 1992 4 kV CD 8 kV AD IEC 80 3 1984 EN 50082 I 1992 3 V m 27 500 MHz IEC 801 4 1988 EN 50082 I 1992 0 5 kV Sig Lines 1 kV Power Lines IEC 5552 1982 Al 1985 I EN 60555 2 1987 IEC 555 3 1982 Al 1990 I EN 60555 3 1987 Al 1991 jupplementary Information rhese products herewith comply with the requirements of the Low Voltage Directive 3 23 EEC ...

Страница 11: ...ons in the documentation The CE mark is a registered trademark of the European Community The CSA mark is a registered trademark of the Canadian Standards Association This is a symbol of an Industrial Scientific and Medical Group 1 Class A product This is an ON symbol The symbol ON is used to mark the position of the instrument power line switch This is an ON symbol The symbol ON is used to mark th...

Страница 12: ...44 734 696622 INTERCON FIELD OPERATIONS Headquarters Hewlett Packard Company 3495 Deer Creek Road Palo Alto California USA 94304 1316 415 857 5027 Australia Hewlett Packard Australia Ltd 31 41 Joseph Street Blackburn Victoria 3130 61 3 895 2895 Canada Hewlett Packard Canada Ltd 17500 South Service Road Trans Canada Highway Kirkland Quebec H9J 2X8 Canada 514 697 4232 China Japan China Hewlett Packa...

Страница 13: ...t Signal Generator Leveling with Detectors Couplers Splitters External Leveling Used With the Optional Step Attenuator Leveling with Power Meters Leveling with MM wave Source Modules Working with Mixers Reverse Power Effects Working with Spectrum Analyzers Reverse Power Effects Optimizing Swept Signal Generator Performance Creating and Applying the User Flatness Correction Array Creating a User Fl...

Страница 14: ... to Use Examples Command Examples Response Examples Essentials for Beginners Program and Response Messages Forgiving Listening and Precise Talking Types of Commands Subsystem Command Trees The Command Tree Structure Paths Through the Command Tree Subsystem Command Tables Reading the Command Table More About Commands Query and Event Commands Implied Commands Optional Parameters Program Message Exam...

Страница 15: ...omments Local Lockout Demonstration Example Program 2 Program Comments Setting Up A Typical Sweep Example Program 3 Program Comments Queries Example Program 4 Program Comments Saving and Recalling States Example Program 5 Program Comments Looping and Synchronization Example Program 6 Program Comments Using the WA1 Command Example Program 7 Program Comments Using the User Flatness Correction Comman...

Страница 16: ...vanced Trigger Configurations Trigger Keyword Definitions ABORt IMMediate ODELay SOURce Related Documents The International Institute of Electrical and Electronics Engineers Hewlett Packard Company 2 Operating and Programming Reference How To Use This Chapter A Address Adrs Menu AM Menu AM On Off la dB V AM an Off lOO fV AM an Off Ext AM an Off Int Amp1 Markers l 107 l 109 l 109 l 109 l 109 l 110 ...

Страница 17: ...eep AM Delay Menu Delete Menu Delete All Delete Current Delete Undef Delta Marker Delta Mkr Ref Disp Status Doubler Amp Mode Doubler Amp Mode Doubler Amp Mode Dwell Coupled AUTO aff an A 18 A 19 A 20 A 22 A 23 A 24 A 25 A 26 A 27 A 28 B l C l c 2 c 2 c 3 c 4 c 4 c 11 c 12 c 12 c 13 c 13 c 14 D l D 2 D 2 D 3 D 3 D 4 D 5 D 5 D 6 D 7 D 8 D 9 D 10 D 10 Contents 5 ...

Страница 18: ...Fault Info t F 2 Fault Info 2 F 3 Fault Info 3 F 4 Fltness Menu F 5 FLTNESS O N OFF F 10 FM Coupling 1OOkHz F 11 FM Coupling DC F 11 FMMenu F 12 FM an Off AC F 13 FM On Off DC F 13 FM an Off Ex t F 14 FM On Off Int F 15 FreqCaI Menu F 16 Freq Follow F 16 FREQUENCY MENU F 17 FreqMult F 18 Freq Offset F 19 FulIUsr Cal F 20 G Global Dwell G l Global affset G l Contents 6 ...

Страница 19: ...aveform Square I 7 Internal FM Waveform Triangle I 8 Internal Menu I 8 Internal Pulse Generator Period I 9 Internal Pulse Generator Rate I 10 Internal Pulse Generator Width I 10 Internal Pulse Mode Auto I 11 Internal Pulse Mode Gate I 11 Internal Pulse Mode Trigger I 12 Invert Input I 12 JJ Leveling ModehLCoff L l Leveling ModeNormal L 2 Leveling ModeSearch L 2 Leveling PointExtDet L 3 Leveling Po...

Страница 20: ...dulation Pulse Modulation Module Menu odule Select AUTO I Module Select Front Module Select None Module Select Rear Monitor Menu more n m Mtr Meas Menu P Peak RF Always PeakRFOnce POWER LEVEL POWER K Power Offset Power Slope Power Sweep PRESET Preset Mode Factory Preset Mode User M l M l M 3 M 4 M 5 M 5 M 6 M 6 M 7 M 7 M 8 M 8 M 9 M 9 M 10 M 10 M 11 M 12 M 13 M 14 M 17 M 19 M 23 M 24 M 24 M 25 M 2...

Страница 21: ...w Pulse Width PwrMtr Range R RECALL Ref Osc Menu kF iqGg ROTARY KNOB s SAVE SaveLock Save User Preset SCPI ConformanceInformation SCPI COMMAND SUMMARY SCPI STATUS REGISTER STRU iRi Security Menu Selftest Full SetAtten SINGLE Software Rev m START Start Ml Stop M2 Start Sweep Trigger Auto Start Sweep Trigger Bus P 11 P 12 P 13 P 13 P 14 P 15 P 16 P 16 P 17 P 18 P 19 P 19 P 20 P 21 P 21 P 22 P 22 P 2...

Страница 22: ...s 70 s 70 s 71 s 71 S 72 s 73 s 74 s 74 s 75 s 75 S 76 S 76 s 77 T 10 MHz Freq Std Auto T l 10 MHz Freq Std Extrnl T 2 10 MHz Freq Std Intrnl T 2 10 MHz Freq Std None T 3 Tracking Menu T 3 TrigOut Delay T 4 U Uncoupl Atten Unlock Info Up Down Power Up Dn Size CW Up Dn Size CW U Up Dn Size Swept USER USER USER DEFINED iii USER DEFINED iii l J l Key Clear U UsrMenu Clear U l U l u 2 u 2 u 3 u 4 u 5 ...

Страница 23: ... Menu Marker Menu Modulation Menu Power Menu Service Menu Sweep Menu System Menu User Cal Menu 2 Specifications Frequency Range Resolution Frequency Bands for CW signals Frequency Modes CW and Manual Sweep Synthesized Step Sweep Synthesized List Mode Ramp Sweep Mode Internal 10 MHz Time Base RF Output Output Power Accuracy dB 4 Flatness dB Analog Power Sweep External Leveling Source Match Spectral...

Страница 24: ...ption 002 only Pulse Sync Out Option 002 only AM FM Output Option 002 only Models Options Option 001 Add Step Attenuator Option 002 Add Internal Modulation Generator Option 004 Rear Panel RF Output Option 006 Fast Pulse Modulation Option 008 1 Hz Frequency Resolution Option 700 MATE System Compatibility Option 806 Rack Slide Kit Option 908 Rack Flange Kit Option 910 Extra Operating Service Guides ...

Страница 25: ...ation Procedure Rack Flange Kit for Swept Signal Generators with Handles Removed Option 908 Installation Procedure Rack Flange Kit for Swept Signal Generators with Handles Attached Option 913 Installation Procedure Storage and Shipment Environment Package the Swept Signal Generator for Shipment Converting HP 8340 41 Systems to HP 8360 B Series Systems Manual Operation Compatibility Front Panel Ope...

Страница 26: ... 3 24 3 24 4 Operator s Check and Routine Maintenance Operator s Checks Service Information Local Operator s Check Description Preliminary Check Main Check Routine Maintenance How to Replace the Line Fuse How to Clean the Fan Filter How to Clean the Cabinet How to Clean the Display Filter 5 Instrument History 4 l 4 l 4 2 4 2 4 2 4 3 4 4 4 4 4 5 4 6 4 6 Index Contents 14 ...

Страница 27: ...tness Array Automatically l 19 Creating a User Flatness Array l 20 Creating Arbitrarily Spaced Frequency Correction Pairs in a Swept mm wave Environment l 21 Scalar System Configuration l 22 Automatically Characterizing and Compensating for a Detector l 23 Decision Tree for ALC Bandwidth Selection l 24 SCPI Command Types l 25 A Simplified Command Tree l 26 Proper Use of the Colon and Semicolon l 2...

Страница 28: ...the Swept Signal Generator Frequency Span M l ALC Block Diagram M 2 Power Accuracy Over the AM Dynamic Range M 3 FM Deviation and Rate Limits M 4 ALC Block Diagram M 5 Pulse Modulation System M 6 Video Feedthrough P l How PRIOR Works S l Connections Required for a Two Tone Scalar Network Analyzer Measurement System 2b 1 ALC Menu 2b 2 Frequency Menu 2b 3 Marker Menu 2b 4 Modulation Menu 2b 5 Power ...

Страница 29: ...ch Swept Signal Generator Model 3 2 Language HP IB Addresses 3 3 Factory Set HP IB Addresses 3 4 Rack Mount Slide Kit Contents 3 5 Rack Flange Kit for Swept Signal Generators with Handles Removed Contents 3 6 Rack Flange Kit for Swept Signal Generators with Handles Attached Contents 3 7 Instrument Preset Conditions for the HP 8360 8340 8341 3 8 Numeric Suffixes 3 9 Programming Language Comparison ...

Страница 30: ...th swept signal generators but not necessarily familiar with how to use the special features of the HP 8360 B Series swept signal generator For the user wishing to program an HP 8360 B Series swept signal generator This section contains an introduction to Standard Commands for Programmable Instruments language SCPI Hewlett Packard s implementation of IEEE 488 2 1987 and an introduction to the Anal...

Страница 31: ...e equipment used in the operation Examples examples shown in this chapter You can substitute equipment but be aware that you may get different results than those shown Equipment Used In Examples Equipment Power Meter HP 436A 437B Power Sensor HP 8485A Power Splitter HP 11667B Oscilloscope HP 1740A mm Wave Source Module HP 83556A Power Amplifier HP 8349B Coupler HP 11691D Detector HP 8474D Recommen...

Страница 32: ...are high performance broadband frequency swept signal generators PRESET Figure l l The HP 838208 Swept Signal Generator PRESET initializes the front panel settings and runs the swept signal generator through a brief self test In the following examples unless stated otherwise begin by pressing PRESET Getting Started Basic l 3 ...

Страница 33: ...ted the swept signal generator uses all or part of this area to record the entries The active entry arrow indicates the active entry function and its current value Message Line This line is used to display ALC level status Unlock information Timebase status RF output status Softkey Label Area This area displays the name of the softkey directly below it Softkeys These keys activate the functions in...

Страница 34: ... arrow keys let you increase or decrease a numeric value The left right arrow keys choose a significant digit indicated by an underline Rotary Knob The rotary knob increases or decreases a numeric value The rotary knob can be used in combination with the left right arrow keys to change the increment size Terminator Keys After the numeric entry keys are used to enter a value these keys define the u...

Страница 35: ...f data entry Start Stop Frequency The swept signal generator can sweep a frequency span as wide as Sweep the frequency range of the instrument or as narrow as 0 Hz swept CW In start stop sweep operation the swept signal generator produces a sweep from the selected start frequency to the selected stop frequency For example Press ISTART 0 GHz Press LSTOP 0 GHzl The data display area indicates the st...

Страница 36: ... T SWEEP LED CW Operation cw START STOP Figure 1 4 CW Operation and Start Stop Frequency Sweep start stop Frequency Sweep 3 Press terminator key 1 Press Icw 2 Enter value 3 Press terminator key 1 Press iiZQ 4 Press STOP 5 Enter value 2 Enter value 6 Press terminator key Getting Started Basic l 7 ...

Страница 37: ... arrow keys This symmetrical increase or decrease of the frequency span about the center frequency is one reason that center frequency span swept operation is used instead of start stop frequency sweep Another example illustrates the subtleties of center frequency span Press m LGHz Press SPAN GHz Notice that the center frequency changed This is because the center frequency could not accommodate a ...

Страница 38: ...Span Operation Center Frequency Operation Span Operation HEWLETT ENTRY PACKARD SWEEP pJ1 mm m PCWCR F INSTRUMENT STATE RFOUTPUT 1 Press CFiTFj 2 Enter value 3 Press terminator key 1 Press ISPAN 2 Enter value 3 Press terminator key Getting Started Basic l 9 ...

Страница 39: ...hods of data entry Sweep Time Operation In typical applications the sweep time can vary tremendously from milliseconds in a network analyzer system to more than a minute in thermistor based power meter systems Press START JiJ GHz Press STOP GHz Press SWEEP mm 0 Watch the green SWEEP LED it blinks every 2 5 seconds The LED blinks at each retrace For the fastest sweep speed for which all specificati...

Страница 40: ...WER LEVEL Figure 1 6 Power Level and Sweep Time Operation Power Level Sweep Time Operation Operation 1 Press POWER LEVEL 2 Enter value 3 Press IdeoJ 1 Press SWEEP TIME 2 Enter value 3 Press terminator key Getting Started Basic l l 1 ...

Страница 41: ...erator to switch sweep modes but it does not initiate a single sweep A second keystroke press SINGLE initiates a single sweep When the swept signal generator is in single sweep operation the amber LED above the key lights When the swept signal generator is actually performing a sweep in single sweep mode the green SWEEP LED lights The manual sweep mode lets you use the rotary knob to either sweep ...

Страница 42: ...EEP MENU Figure 1 7 Continuous Single and Manual Sweep Operation Single Sweep Continuous Sweep Manual Sweep 1 Press FELT 1 Press E5EJ 1 Press SWEEP CMENU 2 Press Manual Sweep 3 Use the rotary knob to adjust frequency Getting Started Basic 1 13 ...

Страница 43: ... second marker select Marker M2 and enter 0 LGHz This process can be continued for all five markers Note that the marker displayed in the active entry area is active and can be controlled by the rotary knob arrow keys and numeric entry keys Once the Ml and M2 markers are established the marker sweep function softkey MI M2 Sweep temporarily changes the original start stop frequencies to those of ma...

Страница 44: ... the two markers When delta marker is showing in the active entry area the ENTRY area is active Rotate the rotary knob and watch the frequency difference change The last active marker in this case marker 3 changes frequency value not the reference marker OSCILLOSCOPE on 0 0 0 0 0 a OEC RF OUTPUT A DETECTOR MRT INPUT Figure 1 8 Marker Operation Marker Operation Delta Marker Operation 1 Press j j 2 ...

Страница 45: ...Hz Select Marker M2 0 0 0 LGHz To save this instrument state in register 1 press SAVE 0 To verify that the swept signal generator has saved this state Press PRESET Press RECALL iJ Press NIARKER The active entry area displays RECALL REGISTER 1 RECALLED Notice the sweep end points power level and the asterisks next to the marker 1 and 2 key labels You can save instrument states in registers 1 throug...

Страница 46: ...ED RFOUrnUT I Figure 1 9 Saving and Recalling an Instrument State Save Recall 1 Set up swept signal generator as desired 2 Press SAVE 3 Press a number 1 through 8 1 Press m 2 Press a number 0 through 8 Getting Started Basic 1 17 ...

Страница 47: ...ess POWER jZK Select Power Sweep and enter 0 dB0 asterisk on Press SINGLE Watch the relative power indication on the power meter At the end of the sweep the power meter indicates 7 dB The active entry area on the swept signal generator indicates POWER SWEEP 7 00 dB SWP Now enter lecm power sweep is still the active entry function Press SINGLE This time the power meter indicates less than the power...

Страница 48: ...tive entry area displays RF SLOPE X XX dB GHz where X is a numeric value Power slope is now active notice that an asterisk is next to the key label Use the entry keys rotary knob or arrow keys to enter a value for the linear slope Press Power Slope again to turn this feature off SUEPT SIGNAL GENERflTOR POWER tlETER RF OUTPUT POUER SENSOR Figure l 10 Power Sweep and Power Slope Operation Power Swee...

Страница 49: ... given in these procedures Table l l Keys Under Discussion in This Section aragraph Heading Keys xternally Leveling the Swept Signal Generator Leveling Point ExtDet Coupling Factor POWER LEVEL Set Atten Leveling Point PwrMtr Pwr Mtr Range Leveling Point Module Mdl Lev Menu Norking with Mixers Reverse Power Effects Uncoupl Atten Leveling Mode Normal Norking with Spectrum Analyzers Leveling Mode ALC...

Страница 50: ...AM On Off 100 V AM On Off lOdB V Deep AM Using Step Sweep Zreating and Using a Frequency List Using the Security Features Changing the Preset Parameters USER DEFINED MENL ASSIGN Step Sap Menu List Menu Delete Menu Enter List Freq Enter List Offset Enter List Dwell Pt Trig Menu Zero Freq Save Lock Clear Memory Blank Display Save Usr Preset Preset Mode User PRESET For more information each of these ...

Страница 51: ...etection Leveling with Figure l 11 illustrates a typical setup for external leveling When Detectors Couplers externally leveled the power level feedback is taken from the external Splitters negative detector input rather than the internal detector This feedback voltage controls the ALC system to set the desired RF output Refer to Figure A l in Chapter 2 for a block diagram of the swept signal gene...

Страница 52: ...t power versus output voltage characteristics for typical HP diode detectors From the chart the leveled power at the diode detector input resulting from any external level voltage setting may be determined The range of power adjustment is approximately 30 dBm to 18 dBm Hint Automatically characterize and compensate for the detector used by performing a detector calibration Refer to Using Detector ...

Страница 53: ...W ASYMPTOTE 4 0 3 0 2 0 1 0 0 10 20 30 DETECTOR INPUT POWER dBm Figure 1 12 Typical Diode Detector Response at 2S C 20 dBV lO dBV 6 dBV 0 dBV 10 dBV 20 dBV 30 dBV 40 dBV 50 dBV 60 dBV 6 6 dBV 70 dBV 80 dBV Getting Started Advanced 1 25 ...

Страница 54: ...ne If so the LOW UNLVLED warning message is displayed Inserting 40 dB of attenuation results in an ALC level of 0 dBm which is well within the range of the ALC At 20 GHz 30 dB attenuation is a better choice as it results in an ALC level of 10 dBm This gives a margin for AM or other functions that vary the power level For optimum display accuracy and minimum noise the ALC level should be greater th...

Страница 55: ...to manual range mode and note the range 2 Refer to menu map 1 3 Press ALC 4 Select Leveling Point PwrMtr 5 Select Pwr Mtr Range Enter the range value set for the power meter as noted in step 1 6 Select Coupling Factor press x Unlike detector leveling power meter leveling provides calibrated power out of the leveled RF port Hint To obtain flatness corrected power refer to Creating and Applying the ...

Страница 56: ...ollowing figures illustrate the setups for leveling with a mm wave source module WEPT SIQNAL GENERNTOR Figure l 14 MM wave Source Module Leveling High power model swept signal generators can externally level mm wave source modules to maximum specified power without a microwave amplifier 1 28 Getting Started Advanced ...

Страница 57: ... 5 Select Module Select Auto or Front or Rear depending on where the interface connection is made All of the ALC data necessary to communicate properly with the swept signal generator is exchanged via the SOURCE MODULE INTERFACE Hint To obtain flatness corrected power refer to Creating and Applying the User Flatness Correction Array in the Optimizing Swept Signal Generator Performance section Gett...

Страница 58: ...its output In this example the reverse power is actually larger than the ALC level which may result in the swept signal generator output being shut off Figure 1 17 shows the same setup with uncoupled operation used to produce the same 8 dBm output In this case ATTEN 10 dB ALC Level 2 dBm The ALC level is 10 dB higher and the attenuator reduces the LO feedthrough by 10 dB Thus the detector sees a 2...

Страница 59: ...l 16 Reverse Power Effects Coupled Operation with 6 dBm Output r SYNTHESIZER WITH OPflON 001 I MC LEVEL 2 dBm RF LEVEL CONTROL ATTENUATOR 10 dB THROUGH lO dBm DETECTOR MEASURES 2 d8m MC LEVEL DETECTOR MEASURES 15 dBm REVERSE POWER MBm IF Figure 1 17 Reverse Power Effects Uncoupled Operation with 6 dBm Output Getting Started Advanced 1 3 1 ...

Страница 60: ...dwidth typically 10 kHz CW 200 kHz sweep or AM the effect of reverse power is amplitude modulation of the swept signal generator s output The AM rate equals the difference in RF frequencies Reverse power problems may be treated by using the unleveled mode There are two unleveled modes ALC off and search To set the swept signal generator to the ALC off mode 1 Refer to menu map 1 2 Press IALC 3 Sele...

Страница 61: ... example illustrates how to set up correction tables for a different measurement requirement Modify the instrument setups shown to suit your particular needs Completed correction tables may be easily edited if more correction data is required for your measurement Additional correction frequencies may be added by using the auto fill feature or by entering correction frequencies individually The aut...

Страница 62: ...bout external leveling refer to Externally Leveling the Swept Signal Generator Setup Power Meter 2 Zero and calibrate the power meter sensor 3 Enter the appropriate power sensor calibration factors into the power meter 4 Enable the power meter sensor cal factor array For operating information on the HP 437B power refer to its operating and service manual 5 Connect the power sensor to the point whe...

Страница 63: ...eated Enter Correction Data into Array Select Mtr Meas Menu Measure Corr All The power meter is now under swept signal generator control and is performing the sequence of steps necessary to generate the correction information at each frequency point If an HP IB error message is displayed verify that the interface connections are correct Check the HP IB address of the power meter and ensure that it...

Страница 64: ...flatness correction algorithm automatically calculates the appropriate correction and enters it into the table If you already have a table of correction data prepared it can be entered directly into the correction table using the front panel keypad of the swept signal generator With the list mode feature you may enter the test frequencies into a table in any order and specify an offset power and o...

Страница 65: ...al Generator Setup Power Meter 2 Zero and calibrate the power meter sensor 3 Connect the power sensor to the point where flatness corrected power is desired Setup Swept Signal Generator Parameters 4 On the swept signal generator press PRESET 5 POWER LEVEL dB0 This sets the test port power to 5 dBm PO maX Ppath loss Create A Frequency List 6 On the swept signal generator press FREQUENCY MENU 7 Sele...

Страница 66: ...r 5 GHz set the appropriate power sensor cal factor on the power meter 17 Use the swept signal generator rotary knob to adjust for a measurement of 0 00 dBm on the power meter Notice that a correction value is entered at 5 GHz 18 Use the up arrow key to increment to the next correction cell 19 For 11 GHz set the appropriate power sensor cal factor on the power meter 20 Use the swept signal generat...

Страница 67: ...measurements can be long therefore we selected non sequential correction frequencies to target specific points or sections of the measurement range that we assume are more sensitive to power variations This greatly expedites setting up the user flatness correction table The amount of interpolated correction points between non sequential correction frequencies varies This example uses the HP 437B t...

Страница 68: ...menu map 5 POWER 1 The equipment setup shown in Figure l 20 assumes that you have followed the steps necessary to correctly level the configuration If you have questions about external leveling refer to Externally Leveling the Swept Signal Generator Setup Power Meter 2 Zero and calibrate the power meter sensor 3 Connect the power sensor to test port 4 Enter and store in the power meter the power s...

Страница 69: ...ignal generator The swept signal generator s leveling mode is automatically changed from internal to module leveling The source module s maximum specified power is set and displayed 6 Press FREQUENCY START 0 IGHz ISTOP GHz The frequency sweep is set from 26 5 to 40 GHz 7 Press POWER LEVEL IdBm The source module power is set to 7 dBm for maximum power to the device under test Access User Flatness C...

Страница 70: ...address 13 is assumed Refer to the menu map 8 System for the key sequence necessary to reach softkey Meter Adrs Enable User Flatness Correction 13 When the operation is complete a message is displayed the flatness correction array is ready to be applied to your setup 14 To save the swept signal generator parameters including the correction table in an internal register press SAVE 0 n number 1 thro...

Страница 71: ...e location of softkey Programming Language Analyzer asterisk on active language I DETECTOR 1 WEPT SIGNRL SCRLflR GENERRTOR NETYORK ANRLYZER Figure l 2 1 Scalar System Configuration Example Overview In this example you use an HP 437B power meter to automatically enter correction data into the array It is necessary to turn off the HP 8757 System Interface controlled from the front panel of the analy...

Страница 72: ...nfiguration If you have questions about external leveling refer to Externally Leveling the Swept Signal Generator On the analyzer press I Reset the analyzer and swept signal generator to a known state Setup System Parameters On the swept signal generator press FREQUENCY ISTART GHz ISTOP IGHz Set the swept signal generator for a frequency sweep of 2 to 20 GHz Press POWER LEVEL 0 dBm Where n maximum...

Страница 73: ...e correction information at each frequency point If an HP IB error message is displayed verify that the interface connections are correct Check the HP IB address of the power meter and ensure that it is the same address the swept signal generator is using address 13 is assumed Refer to the menu map 8 System for the key sequence necessary to reach softkey Meter Adrs Enable User Flatness Correction ...

Страница 74: ...ress RECALL iJ Recall the swept signal generator parameters from storage register 1 23 On the swept signal generator press FLTNESS ON OFF amber LED on The power produced at the point where the power meter sensor was disconnected is now calibrated at the frequencies and power level specified above l 46 Getting Started Advanced ...

Страница 75: ... setup shown in Figure l 22 assumes that the steps necessary to correctly externally level have been followed Refer to menu map 9 USER CAL 3 HP 16 DIRECTIONRL POUER SENSOR c HP 4378 POUER IlETER Figure l 22 Automatically Characterizing and Compensating for a Detector 1 Connect the power meter as shown 2 Zero and calibrate the power meter sensor 3 Enter the appropriate power sensor calibration fact...

Страница 76: ...interface connections are correct Check the HP IB address of the power meter and ensure that it is the same address the swept signal generator is using address 13 is assumed Refer to the menu map 8 System for the key sequence necessary to reach softkey Meter Adrs 9 When the operation is complete a message is displayed disconnect the power meter sensor The swept signal generator has stored the comp...

Страница 77: ...Press j ZKiiCAL Select Tracking Menu Peak RF Always If peak always is on denoted by an asterisk next to the key label for an extended period of time the peaking function will automatically repeak every seven minutes Tracking Auto track is a more extensive version of peaking It causes all of the YTM tracking calibration constants to be aligned and requires approximately 40 to 90 seconds to complete...

Страница 78: ...elects the appropriate bandwidth high or low for each application To make the bandwidth selection the swept signal generator determines which functions are activated and uses the decision tree shown in Figure l 23 ya s ey i la High EW High BW Figure l 23 Decision Tree for ALC Bandwidth Selection l 50 Getting Started Advanced ...

Страница 79: ...the number of points desired 6 Determine the dwell time desired select Step swell and enter a value or choose the dwell time determined by the ramp mode sweep time select Dwell Coupled 7 Determine the triggering scheme select Step Swp Pt Trig Auto Bus or Ext 8 Press SWEEP MENU 9 Select Sweep Mode Step to activate the step frequency mode Getting Started Advanced l 51 ...

Страница 80: ...s FREQUENCY MENU 3 Select List Menu To use the frequency points of a frequency list to create the frequency portion of the user flatness correction array 1 Refer to menu map 5 2 Press POWER MENU 3 Select Fitness Menu 4 Select Copy List l 52 Getting Started Advanced ...

Страница 81: ...Using the Security Features To access the security menu 1 Refer to menu map 8 2 Press SYSTEM j ii7 3 Select Security Menu Getting Started Advanced 1 53 ...

Страница 82: ...Select Save User Preset 5 Select Preset Mode User Whenever the jG FF key is pressed the swept signal generator will return to the operation state setup and saved in steps 1 and 4 The swept signal generator displays USERDEFINEDPRESETRECALLED and also gives you the option of selecting the factory preset state by creating a factory preset softkey 1 54 Getting Started Advanced ...

Страница 83: ...are common generic terms for HP IB all are electrically equivalent although IEC 625 uses a unique connector This portion of the manual specifically describes interfacing the swept signal generator to one type of instrument a computer The first part of this section provides general HP IB information Later the Standard Commands for Programmable Instruments language SCPI is introduced and example pro...

Страница 84: ...zed as a listener talker or controller depending on its current function in the network Listener A listener is a device capable of receiving data or commands from other instruments Any number of instruments in the HP IB network can be listeners simultaneously Talker A talker is a device capable of transmitting data or commands to other instruments To avoid confusion an HP IB system allows only one...

Страница 85: ...reference manual the I O programming guide and the HP IB manual for the particular computer used Syntax drawings accompany each statement All items enclosed by a circle or oval are computer specific terms that must be entered exactly as described items enclosed in a rectangular box are names of parameters used in the statement and the arrows indicate a path that generates a valid combination of st...

Страница 86: ...h prepares all HP IB instruments for remote operation although nothing appears to happen to the instruments until they are addressed to talk or 10 REMOTE 719 which affects the HP IB instrument located at address 19 or 10 REMOTE 719 721 726 715 which effects four instruments that have addresses 19 21 26 and 15 Related statements used by some computers RESUME Local Lockout Local Lockout can be used ...

Страница 87: ...ted statements used by some computers RESUME Clear Clear causes all HP IB instruments or addressed instruments to assume a cleared condition with the definition of cleared being unique for each device For the swept signal generator 1 All pending output parameter operations are halted 2 The parser the software that interprets the programming codes is reset and now expects to receive the first chara...

Страница 88: ...the controller to the addressed instrument The syntax is f Ln ti 1 numeric expre ionI LJ string OXPWeiC l where USING is a secondary command that formats the output in a particular way such as a binary or ASCII representation of numbers The USING command is followed by image items that precisely define the format of the output these image items can be a string of code characters or a reference to ...

Страница 89: ...junction with OUTPUT such as 100 OUTPUT 719 I programming codes 110 ENTER 719 response data ENTER statements are commonly formatted which requires the secondary command USING and the appropriate image items The most used image items involve end of line EOL suppression binary inputs and literal inputs For example 100 ENTER 719 USING I B A B C suppresses the EOL sequence and indicates that variables...

Страница 90: ... a long string of binary data where it might cause a false termination Also the bit patterns for the ASCII CR carriage return comma or semicolon might cause a false termination Suppression of the EOL causes the computer to accept all bit patterns as data not commands and relies on the HP IB EOI end or identify line for correct end of data termination Related statements used by some computers CONVE...

Страница 91: ...mplements SCPI Most instruments are electronic measurement or stimulus devices but this is not a requirement Similarly most instruments use an HP IB interface for communication The same concepts apply regardless of the instrument function or the type of interface used A program message is a combination of one or more properly formatted SCPI commands Program messages always go from a controller to ...

Страница 92: ...t messages generally But the bracketed words program message indicate a precisely defined element of SCPI If you need them you can find the exact definitions of words such as program message in a syntax diagram How to Use Examples It is important to understand that programming with SCPI actually requires knowledge of two languages You must know the programming language of your controller BASIC C P...

Страница 93: ...y the details of how the input statement operates In particular investigate how the input statement handles punctuation characters such as comma and semicolon and how it handles new line and EOL To enter the previous response in HP BASIC you type ENTER Source CW frequency Response examples do not show response message terminators because they are always new line END These terminators are typically...

Страница 94: ... Conversely response messages are the formatted data sent from the instrument to the controller Program messages contain one or more commands and response messages contain one or more responses The controller may send commands at any time but the instrument sends responses only when specifically instructed to do so The special type of command used to instruct the instrument to send a response mess...

Страница 95: ...mmands are distinguished by the colon used between keywords as in FREQuency CW Each command subsystem is a set of commands that roughly corresponds to a functional block inside the instrument For example the Power subsystem contains commands for power generation while the STATUS subsystem contains commands for accessing status registers I SPCI 1 Common Subsystem Commands Commands RST IDN MEAS VOLT...

Страница 96: ...terprets commands A special part of the instrument firmware a purser decodes each message sent to the instrument The parser breaks up the message into component commands using a set of rules to determine the command tree path used The parser keeps track of the current path the level in the command tree where it expects to find the next command you send This is important because the same keyword ma...

Страница 97: ...ignored There are two important exceptions White space inside a keyword such as FREQ uency is not allowed You must use white space to separate parameters from commands For example the space between LEVel and 6 2 in the command POWer LEVel 6 2 is mandatory White space does not affect the current path w Commas If a command requires more than one parameter you must separate adjacent parameters using ...

Страница 98: ...urrent path 0 D Set current path DOWN one level AA BB EE M DD JJ Figure l 26 Proper Use of the Colon and Semicolon In Figure l 26 notice how proper use of the semicolon can save typing Sending this message AA BB EE FF GG Is the same as sending these three messages AA BB EE AA BB FF AA BB GG l 70 Getting Started Programming ...

Страница 99: ... Command Tree Table 1 2 SWEep Command Table Command SWEep DWELl AUTO GENeration MANual POINt RELative Parameters state Parameter Type BooleanlONCE Reading the Command Table Note the three columns in the command table labeled Command Parameters and Parameter Type Commands closest to the root level are at the top of the table Commands in square brackets are implied commands which are discussed in la...

Страница 100: ...diately preceding an implied command but do not send the implied command the instrument assumes you intend to use the implied command and behaves just as if you had sent it Note that this means the instrument expects you to include any parameters required by the implied command The following example illustrates equivalent ways to program the swept signal generator using explicit and implied comman...

Страница 101: ...Tiplier2 MULTiplier STATE ON FREQuency CW 5 GHZ Example 4 FREQ 5 GHZ POWER 4 DBM Notice that in this example the keyword short form is used The command is correct It utilizes the default nodes of CW and LEVEL Since default nodes do not affect the current path it is not necessary to use a leading colon before POWER Parameter Types As you saw in the example command table for SWEep there are several ...

Страница 102: ...ther special values as well All extended numeric parameters accept MAXimum and MINimumas values Other special values such as UP and DOWN may be available as documented in the instrument s command summary Some instruments also let you to send engineering units as suffixes to extended numeric parameters The SCPI Command Summary lists the suffixes available if any Note that extended numeric parameter...

Страница 103: ...Rce INT 110 OUTPUT Source POWer ALC SOURce mmh Although discrete parameters values look like command keywords do not confuse the two In particular be sure to use colons and spaces properly Use a colon to separate command mnemonics from each other Use a space to separate parameters from command mnemonics Boolean Parameters Boolean parameters represent a single binary condition that is either true o...

Страница 104: ...o read and display error messages 10 20 The rest of your 30 variable declarations 40 50 DIM Err_msg 751 60 INTEGER Err num 70 80 Part of your program 90 that generates errors 100 110 200 REPEAT 210 OUTPUTOBox SYST ERR 220 Query instrument error 230 ENTER OBox Err num Err msg 240 Read error message 250 PRINT Err num Err msg 260 Print error message 270 UNTIL Err num 0 280 Repeat until no errors 290 ...

Страница 105: ...oscillator VCO A VCO is a device that outputs a frequency proportional to an input signal level Figure 1 28 shows how the hardware is configured Unit Under Test rfT t Stimulus L Souroe O 5OOmV Response Counter HP 16 H P BASIC Controller Figure l 28 Voltage Controlled Oscillator Test Program Listing 20 30 INTEGERFirst Last Testpoint Dummy 40 DIM Id 701 50 ASSIGN Stimulus TO 717 60 ASSIGN Response T...

Страница 106: ... paths let you use a name for an instrument in OUTPUT and ENTER statements instead of a numeric address 80 to 100 Assign values to the input test limits in mV 110 to 130 Clear the instrument HP IB interfaces 140 to 160 Reset each instrument to a known measurement state 170 to 190 Print the test report title 200 to 310 Query measurement instruments identifications for test traceability 320 to 330 C...

Страница 107: ...etrieve the queried value If you do not use paired OUTPUTS and ENTERS you can overwrite data in the instrument Output Queue and generate instrument errors 470 to 480 Disconnect output terminals of the instruments from the unit under test and end the program All HP BASIC programs must have END as the last statement of the main program Getting Started Programming 1 79 ...

Страница 108: ...e messages Program Message These paragraphs examine the construction of SCPI program Syntax messages in more detail Recall that program messages are the messages you send from the computer to an instrument These program messages contain commands combined with appropriate punctuation and program message terminators Figure 1 29 illustrates the simplified syntax of a program message subsystem command...

Страница 109: ...ure the system to send whatever terminator you specify Subsystem Command Syntax Figure l 30 describes the basic syntax of SCPI subsystem commands A b NOlE SP white space ASCII characters 0 to 9 and 11 to 32 Figure l 30 Simplified Subsystem Command Syntax As Figure l 30 shows there must be a space between the last command mnemonic and the first parameter in a subsystem command This is one of the fe...

Страница 110: ...ta Figure l 32 Simplified Response Message Syntax Response messages can contain both commas and semicolons as separators When a single query command returns multiple values a comma separates each data item When multiple queries are sent in the same message the groups of data items corresponding to each query are separated by a semicolon For example the fictitious query QUERYl qUERY2 might return a...

Страница 111: ...ric Boolean String Definite Length Block Indefinite Length Block Hexadecimal Octal Binary Notice that each parameter type has one or more corresponding response data types For example a setting that you program using a numeric parameter returns either real or integer response data when queried Whether real or integer response data is returned depends on the instrument used However precise talking ...

Страница 112: ...nded numeric parameters accept all numeric parameter values and other special values as well All extended numeric parameters accept MAXimum and MINimum as values Other special values such as UP and DOWN may be available as documented in the instrument s command dictionary Note that MINimum and MAXimum can be used to set or query values The query forms are useful for determining the range of values...

Страница 113: ...rate parameters from command mnemonics Boolean Parameters Boolean parameters represent a single binary condition that is either true or false There are only four possible values for a Boolean parameter Examples of Boolean parameters ON Boolean TRUE upper lower case allowed OFF Boolean FALSE upper lower case allowed 1 Boolean TRUE 0 Boolean FALSE Response Data Types Real Response Data A large porti...

Страница 114: ...a particular mnemonic in all uppercase letters Examples of discrete response data INTernal level internally DIODe level using an external diode PMETer level using an external power meter MMHead level using a mm wave source module String Response Data String response data are similar to string parameters The main difference is that string response data use only double quotes as delimiters rather th...

Страница 115: ... IB select code is assumed to be preset to 7 All example programs in this section expect the swept signal generator s HP IB address to be decimal 19 To find the present HP IB address use the front panel Press SYSTEM MENU Select HP IB Menu adrs Menu My Adrs The active entry area indicates the present decimal address If the number displayed is not 19 reset it to 19 Press iJ ENTER If the swept signal...

Страница 116: ...array to cal discrete USER DIODE PMETer MMHead NEXT ORRection measured power extended numeric num lvl suffix FLATness REQuency 801 freq correction pairs extended numeric num freq suffix DB 2 801 CENTer CW AUTO center freq CW freq coupled to center freq extended numeric extended numeric Boolean specified freq range AXimum MINimum UP DOWN specified freq range or MAXimum MINimum UP DOWN ON OFF l O MO...

Страница 117: ...ric 0 to 90 DB or MAXimum MINimum UP DOWN ON OFF l o specified power range or STATe SWEep RF on off Boolean MAXimum MINimum UP DOWN ON OFF l O GENeration type of sweep discrete STEPpedlANALog TIME sweep time extended numeric 200s to 133 m 5 or MAXimumlMINimum AUTO auto sweep Boolean ON OFF l O time switch LLIMit fastest sweep time extended numeric num time suffix or MAXimumlMINimum Getting Started...

Страница 118: ... controller display indicates an error message it is possible that the program was entered in incorrectly If the controller accepts the REMOTE statement but the swept signal generator REMOTE LED does not turn on perform the operational checks as outlined in the respective Operating and Service Manuals to find the defective device Program Comments 10 Set up a variable to contain the HP IB address o...

Страница 119: ...PRINT Verify that all keys including LOCAL have no effect PRINT press CONTINUE PAUSE LOCAL Source PRINT PRINT Source should now be in LOCAL mode PRINT Verify that the swept signal generator s keyboard is functional END To verify and investigate the different remote modes do the following 1 Reset the controller 2 On the swept signal generator Press PRESET 3 Clear the controller display and run the ...

Страница 120: ...ls HINT Note that the swept signal generator i ZiiJ key produces the same result as programming LOCAL 719 or LOCAL 7 Be careful because the LOCAL 7 command places all instruments on the HP IB in the local state as opposed to just the swept signal generator Program Comments 90 to 120 Print a message on the computer s display then pause 130 Place the source into REMOTE 140 Place the source into LOCA...

Страница 121: ...111E6 140 OUTPUTSource OPC 150 ENTER Source X 160 OUTPUT Source POWer STATe ON 170 OUTPUT Source INITIate CONTinuous ON 180 CLS 190 PRINT Source setup complete 200 PRINT Verify that the source is sweeping from 210 PRINT 4 GHz to 7 GHz at a power of 5 dBm 220 PRINT with a sweeptime of 0 5 seconds 230 END Run the program Program Comments 10 Assign the source s HP IB address to a variable 20 to 50 Ab...

Страница 122: ...e commands that have been sent so far before turning on the output 150 The ENTER statement causes the program to wait here until the source responds to the previous OPC with a 1 160 The source has now completed processing the commands The RF frequency power and markers are at their programmed values Turn on the RF output of the source 170 Select a continuously initiated sweep instead of the defaul...

Страница 123: ...A OUTPUT Source FREQ CW MIN ENTER Source A PRINT Minimum source CW frequency is A l E 6 MHz OUTPUTSource FREQ START STOP ENTER Source X Y PRINT Swept frequency limits I PRINT Start X l E 6 MHz PRINT Stop Y l E G MHz END Run the program Program Comments 10 Assign the source s HP IB address to a variable 20 to 50 Abort any HP IB activity and initialize the HP IB interface 60 Clear the computer s dis...

Страница 124: ...uery This will request the maximum value that the FREQ CW function can be programmed to 200 Enter the numeric response into the variable A 210 Print the value of A on the computer display 220 This is compound query Up to 8 parameters can be queried from the swept signal generator at one time using this method In this example the start and stop frequencies are interrogated 230 The responses are rea...

Страница 125: ... LEV 1DBM OUTPUT Source SAV 2 PRINT A CW state has been saved in REGISTER 2 I PRINT I Press Continue PAUSE OUTPUT Source RCL 1 PRINT Register 1 recalled Verify source is sweeping PRINT Press Continue PAUSE OUTPUT Source RCL 2 PRINT Register 2 recalled I PRINT Verify source is in CW mode I END Run the program Program Comments 10 Assign the source s HP IB address to a variable 20 to 50 Abort any HP ...

Страница 126: ...EQ CW 1 23456 GHZ OUTPUT Source POWer LEVel 1 DBM 120 Save this state into storage register 2 130 to 150 Print a message on the computer display and pause 160 Recall the instrument state from register 1 It should contain the sweeping state 170 to 190 Print a message on the computer display and pause 200 Recall the instrument state from register 2 It should contain the CW state 210 and 220 Print me...

Страница 127: ...C 200 ENTER 210 NEXT I 220 END IF 230 UNTIL N O 240 END Run the program Program Comments 10 Assign the source s HP IB address to a variable 20 to 50 Abort any HP IB activity and initialize the HP IB interface 60 Clear the computer s display 70 Set the source to its initial state for programming 80 Set up the frequency parameters using a compound message 90 Set up the source s power level and state...

Страница 128: ...ep on the computer display 190 Initiate a single sweep on the source and then wait until the pending operation is complete Return a 1 when the sweep completes 200 Enter the response to the OPC into the variable X The program execution will halt on this ENTER statement until the sweep is finished 210 Repeat the 1NIT IMM sequence N times 220 End of the IF statement to skip sweeps if N is negative 23...

Страница 129: ...continuing for four cycles END Run the program Program Comments 10 Assign the source s HP IB address to a variable 20 to 50 Abort any HP IB activity and initialize the HP IB interface 60 Clear the computer s display 70 Set the source to its initial state for programming 80 Set the source up for a sweep from 4 GHz to 5 GHz 90 Set the sweep time to 2 seconds In SCPI suffixes are optional if you prog...

Страница 130: ...Turn the RF output of the source ON 160 Initiate a sweep on the source 170 Send another WA1 to the source Although the WA1 command causes EXECUTION of commands to be held off it has no effect on the transfer of commands over the HP IB The commands continue to be accepted by the source and are buffered until they can be executed 180 Toggle the RF STATE to OFF 190 Repeat the sample exercise 200 and ...

Страница 131: ...ed to set up the source parameters and enter correction frequencies and data into the correction table ASSIGN THE ADDRESS TO THE SOURCE AND POWER METER DIM A 5000 B 5000 ASSIGN Source TO 719 ASSIGN Meter TO 713 INTEGER Error flag ABORT 7 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290 300 310 320 330 340 350 SET UP SOURCE OUTPUTQSource RST...

Страница 132: ...r OMeter Freq OUTPUT QSource CAL PMET FLAT NEXT VAL Power DBM ENTER QSource Freq END WHILE END IF END SUB Zero meter Meter QSource INTEGER Error flag OUTPUT OSource Pow stat off OUTPUT QMeter CS OUTPUT OMeter ZE Max attempts 30 Attempts 0 Zeroing 1590 Finished 0 WHILE Zeroing AND NOT Finished Attempts Attempts l Meter stat SPOLL OMeter IF Attrmpts Max attempts THEN Zeroing 0 IF BIT Meter stat 11 T...

Страница 133: ...TER BMeter bower 930 Pl VAL Power 940 Slope2 SGN PO Pl 950 IF Slope2Slope THEN 960 Flips Flips l 970 Slope2 Slope 980 ELSE 990 IF Slope2 0 THEN Flips Flips 2 1000 END IF 1010 PO Pl 1020 UNTIL Flips 3 1030 Power PO P1 2 1040 RETURN Power 1050 FNEND Getting Started Programming l 105 ...

Страница 134: ...ed functions General Status Register The generalized status register model shown in Figure l 33 is the Model building block of the SCPI status system This model consists of a condition register a transition filter an event register and an enable register A set of these registers is called a status group Bit 0 Bit 1 Bit 2 Bit 3 Bit Name f Bit Number Condition Transition Register Filter Event Regist...

Страница 135: ...ed by a query or a CLS clear status There is no buffering so while an event bit is set subsequent events corresponding to that bit are ignored Event registers are read only Enable Register The enable register specifies the bits in the event register that can generate a summary bit The instrument logically ANDs corresponding bits in the event and enable registers and ORs all the resulting bits to o...

Страница 136: ... 2 al 6 5 z WE i E Gc tllE S G Case A Case B Case C Case D Condition Afrbu Tl T2 T3 ti Figure l 34 Typical Status Register Bit Changes f 5 l 1 08 Getting Started Programming ...

Страница 137: ...EASure READ or INITiate you can avoid having to learn the information in this subsection Generalized Trigger Model Overview An instrument trigger system synchronizes instrument actions with specified events An instrument action may be to make a measurement or source an output signal The events used to synchronize these actions include software trigger commands changing signal levels and pulses on ...

Страница 138: ...r a signal that the action has been taken Idle _ ABORt RST Initiate Event Detection 1 A v Event Detection N Sequence Instrument Operation Actions Figure 1 35 Generalized Trigger Model Details of Trigger States These paragraphs use flow charts to explain the decision making rules inside each trigger state These rules govern how the instrument moves between adjacent states Some of the flow charts re...

Страница 139: ... CONTinuous OFF Whenever the trigger system leaves the idle state it sets the instrument s Operation Pending Flag Returning to idle clears the flag The Operation Pending Flag is a special bit inside the instrument that can affect how the instrument responds to certain commands You need to know this fact when using OPC OPC WAI and other commands Inside the Initiate State Figure l 37 illustrates the...

Страница 140: ...uch as IMMediate BUS or TIMer no further qualifications are required to generate an event If however an INTernal or EXTernal analog signal is chosen additional qualifications may apply You specify these additional qualifications using appropriate LEVel SLOPe and HYSTeresis commands Sending RST sets the SOURce to IMMediate The downward path also provides a command to override normal operation IMMed...

Страница 141: ... qualified event detection 1 loop ctr o YES event ctr O 1 state name SIGNal event ctr by 1 wait DELay state name IMMediate L Figure l 38 Inside an Event Detection State Getting Started Programming l l 13 ...

Страница 142: ...ward exit is not allowed until the instrument signals that its action is complete Note that complete can be defined differently for different instruments For example consider an instrument that can sweep a range of frequencies starting with fr and ending with f2 The action complete signal can be defined to coincide with the output of either fr or f2 Figure l 39 Inside the Sequence Operation State ...

Страница 143: ...systems for programming INITiate and ABORt All SCPI instruments implement these two subsystems I Idle I ABORt RST Fl Initiate Sequence I n s t r u m e n t Operation Actions Figure l 40 The INIT Trigger Configuration Command Parameters Parameter Type ABORt ABORt INITiate INITiate IMMediate IMMediate CONTinuous state CONTinuous state Boolean Boolean Example commands using the INIT trigger configurat...

Страница 144: ...detection state named TRIG and a corresponding TRIGger subsystem And all SCPI instruments implement the required INITiate and ABORt subsystems TRIG Event Detection I M M E D Sequence _I I n s t r u m e n t BUS Actions EXT Figure 1 41 The TRIG Trigger Configuration 1 118 Getting Started Programming ...

Страница 145: ... is initiated with the INIT IMMediate command Once initiated the wait for trigger state is entered Here the trigger signal selected by the TRIG SOURce command is examined until a TRUE condition is detected These trigger signals are IMMediate EXTernal BUS This signal is always TRUE This is the external trigger input jack A positive transition on this jack constitutes a TRUE signal This signal is th...

Страница 146: ...ngs Event commands cause a particular action to take place inside the swept signal generator ABORt The ABORt command forces the trigger system to the idle state Any measurement or output sequence in process is aborted as quickly as possible ABORt does not alter the settings programmed by other commands unlike RST ABORt is a root level event command and cannot be queried IMMediate The IMMediate com...

Страница 147: ...mmonly used sources are n BUS The event detector is satisfied by either Group Execute Trigger GET or a TRG command GET is a low level HP IB message that can be sent using the TRIGGER command in HP BASIC w EXTernal An external signal connector is selected as the source w IMMediate Qualified events are generated automatically There is no waiting for a qualified event Getting Started Programming l 11...

Страница 148: ...However you may find it useful if you need to know the precise definition of certain message formats data types or common commands To obtain a copy of either of these documents write to The Institute of Electrical and Electronics Engineers Inc 345 East 47th Street New York NY 10017 USA Hewlett Packard BASIC 5 0 5 1 Interfacing Techniques Vol 2 Specific Interfaces Company 1987 This HP BASIC manual ...

Страница 149: ...abbed sections Menu maps can be folded out and viewed at the same time as the alphabetical entry See the illustration below f a r T T I v c 3 v ss L IL AL L I For operator s service information see the Chapter 4 Operator s Check and Routine Maintenance The operator accessible SERVICE softkeys are described in that chapter Complete SERVICE menu and softkey information is provided in the HP 8360 B S...

Страница 150: ...he swept signal generator is 19 Programming Codes SCPI SYSTem COMMunicate GPIB ADDRess Analyzer NONE See Also Connectors HP IB Menu Instrument Addresses in Chapter 1 Programming Typical Measurements in Chapter 1 Adrs Menu Function Group Menu Map Description SYSTEM 8 This softkey accesses the HP IB address menu Meter Adrs Controls the system power meter address 8360 Adrs Can control the swept signa...

Страница 151: ...I NONE see the individual softkeys listed Analyzer NONE See Also HP 13 Menu softkeys listed above Optimizing Swept Signal Generator Performance in Chapter 1 HP 1B Address Selection in Chapter 3 A 2 Operating and Programming Reference ...

Страница 152: ...sed at any point and absolute power level is uncalibrated Sets the swept signal generator to continuous leveling at the specified leveling point The swept signal generator activates power search leveling mode Similar to ALCoff mode but first automatically searches for the correct modulator setting so that the desired power level is produced Sets the swept signal generator to level power externally...

Страница 153: ...ower level can be set by either front panel or remote operation As shown in Figure A l the inputs and calibration data are processed by the swept signal generator CPU which uses this information to set the Level DAC In turn the Level DAC sends a controlling voltage to the Level Control Circuits In the presence of modulation voltages appearing at the AM and or PULSE inputs contribute to the control...

Страница 154: ...R b OUTPUT CIRCUITS S E E NOTE I I I EXTERNAL DETECTOR POWER METER 0 EXT ALC ALC OFF SOURCE MODULE S O U R C E MODI INTERFACE A LEVELING POINTS 1__ __ _____ __ __ __________ N o t e T h i s b l o c k a p p l i e s t o s y n t h e s i z e r s w i t h o p t i o n 0 0 1 o n l y Figure A l ALC System Simplified Block Diagram JLE Operating and Programming Reference A 5 ...

Страница 155: ...y sweeps at certain ALC levels maximum available power can be exceeded during small portions of the sweep in this case a flashing UNLVLED message appears ALC leveling accuracy depends on power level Although the ALC level is useable from 20 to 25 dBm it is most accurate from 10 to lO dBm This fact is reflected in the performance specifications of the swept signal generator Coupled Operation Since ...

Страница 156: ...lable power the UNLVLED warning message appears at the end of sweep No warning is given at the time of entry If the start power is entered when the swept signal generator is in coupled operation the ALC level is set no lower than 10 dBm limiting the available power sweep range Using uncoupled operation and setting the ALC level to 20 dBm gives an additional 10 dB of sweep range External Leveling L...

Страница 157: ...ated reference level until the amplifier is out of saturation The ALC off mode is useful for applications that involve pulse modulation with extremely narrow pulses If the pulse is narrow enough the ALC may be unable to provide accurate leveling due to bandwidth limitations Search Search mode is similar to the ALC off mode in that the ALC is disabled in order to remove bandwidth limitations The es...

Страница 158: ...These steps are performed in approximately 200 ps and are repeated any time power or frequency is changed See Also Softkeys listed above Fltness Menu MOD POWER LEVEL S e t atten Externally Leveling the Swept Signal Generator in Chapter 1 Working with Mixers Reverse Power Effects in Chapter 1 Working with Spectrum Analyzers Reverse Power Effects in Chapter 1 Operating and Programming Reference A 9 ...

Страница 159: ... Group ALC Menu Map 1 Description This softkey sets the swept signal generator to the ALC high bandwidth position 100 kHz In this mode the ALC bandwidth operates in a wide bandwidth for all sweep and modulation conditions An asterisk next to the key label indicates that this feature is active Programming Codes SCPI Sending the swept signal generator an ALC bandwidth frequency value of lO kHz cause...

Страница 160: ... bandwidth mode POWer ALC BANDwidth AUTO OFF 0 POWer ALC BANDwidth freq freq suffix or MAXimumlMINimum Analyzer NONE See Also ALC ALC BW Menu Optimizing Swept Signal Generator Performance in Chapter 1 ALC BW Menu Function Group ALC Menu Map 1 Description This softkey reveals the softkeys of the ALC bandwidth select menu ALC Bandwidth Select Auto ALC Bandwidth Select High Sets the ALC bandwidth to ...

Страница 161: ...swept signal generator to alternate on successive sweeps between the present instrument state and a second instrument state stored in an internal register 1 to 8 Select Altmate Regs once to turn it on a second time to turn it off An asterisk next to the key label indicates that this feature is active SCPI SYSTem ALTernate STATe ONlOFFlllO SYSTem ALTernate num IMAXimum MINimum Analyzer ALln where n...

Страница 162: ...cy or power parameter is changed Programming Codes SCPI CALibration AM AUTO ON Analyzer NONE See Also Modulation AM BW Cal Once Function Group USER CAL Menu Map 9 Description This softkey causes a single AM bandwidth calibration to be performed Programming Codes SCPI CALibration AM EXECute Analyzer NONE See Also Modulation Operating and Programming Reference A 13 ...

Страница 163: ...and internal amplitude modulation They allow you to define the scaling waveform rate and depth of the internal AM AM On Off Ext Toggles on and off the amplitude modulation mode for an external AM source AM On Off Int Toggles on and off the amplitude modulation mode using the internal AM generator Internal AM Rate Sets the rate of the internal amplitude modulation Internal AM Depth Sets the depth o...

Страница 164: ... the exponentially scaled amplitude modulation function Amplitude modulation lets the RF output of the swept signal generator be continuously and exponentially varied at a rate determined by the AM input See Specifications for the AM characteristics input range and damage level An asterisk next to the key label indicates that this feature is active SCPI AM TYPE EXPponential AM STATE ONlOFFjllO Ana...

Страница 165: ...unction off See Also ALC CONNECTORS MOD Optimizing Swept Signal Generator Performance in Chapter 1 AM On Off Ext Function Group MOD Menu Map 4 Description This softkey Option 002 only activates the amplitude modulation mode for an external source The AM source is connected to the AM modulation connector When external AM is in effect the RF output is amplitude modulated with a rate and depth set by...

Страница 166: ...n mode No external source is needed When internal AM is in effect the parameters are controlled by the following soft keys Internal AM Rate Internal AM Depth AM Type 100 V AM Type IOdB V Deep AM Waveform Menu An asterisk next to the key label indicates that internal AM is active and HP is displayed on the message line Both amplitude and pulse modulation can be in effect simultaneously SCPI AM SOUR...

Страница 167: ...s again to return to the normal intensified dot representation See Specifications for the range of acceptable amplitude values An asterisk next to the key label indicates this feature is active SCPI MARKer AOFF Analyzer AK1 function on AK0 function off Marker Operation in Chapter 1 Setting Up A Typical Sweep Example Program 3 in Chapter 1 AM Type 10 dB V Function Group MOD MODULATION Menu Map 4 De...

Страница 168: ...e amplitude modulation function linearly The amplitude of the RF output changes linearly as a function of AM input changes or at a rate set by softkey for internal AM See Specifications for the AM characteristics input range and damage level An asterisk next to the key label indicates that this feature is active SCPI AM TYPE LINear Analyzer AM1 function on AM0 function off ALCI CONNECTORS INIOD Op...

Страница 169: ...cies SERVICE HP IB or End of RF Settled Changed in Numeric Any Front or sweep QS syntax error Sweep Extended Entry Panel Key time in status Completed Pressed effect Byte HP IB or Front Panel EXTENDED STATUS BYTE 2 Bit 7 6 5 4 3 2 1 0 Decimal 128 64 32 6 8 4 2 1 Value Function Fault RF Unleveled Power RF Unlocked External Oven 0V X Self Test Indicator Failure Frequent y Cold Modulation Failed On Re...

Страница 170: ... latched until this status byte has been read or until cleared by the CS or CLEAR 719 commands Bit 1 Excessive amplitude modulation input Bit 2 Oven for the reference crystal oscillator is not at operating temperature Bit 3 External reference frequency is selected Bit 4 RF is unlocked UNLOCK appears in the message line Use OF to determine the source of the unlocked output This bit remains latched ...

Страница 171: ... remains the active character in this function until the swept signal generator is preset turned off or the underline is moved completely left or right The and j arrow keys increment or decrement the numeric value by a predetermined amount The increment value depends on the active function and the step value set All increment values are defaulted to their original values when the swept signal gene...

Страница 172: ... the swept signal generator display Press MENU KEY to be assigned Complete keypaths are assigned not just the key label For example assigning List Menu to the user defined menu copies the complete structure keypath of that key All of the pages and lower level menus are placed within the user defined menu Programming Codes SCPI NONE Analyzer NONE See Also USER DEFINED MENU Operating and Programming...

Страница 173: ...rding the increment value If the increment value requested creates a list that exceeds the number of elements available the following message appears TOO MANY CORRECTION PTS REQUESTED List Menu When selected the swept signal generator waits for a frequency increment value to be entered Increment is displayed in the active entry area A list of frequencies is created automatically with all points se...

Страница 174: ... following message appears TOO MANY CORRECTION PTS REQUESTED List Menu When selected the swept signal generator waits for a numeric value representing the number of list points to be entered Number of List Frequencies is displayed in the active entry area A list of frequencies containing the number of specified points is created automatically The list begins at the auto fill start frequency and en...

Страница 175: ...t value or the number of points is assigned The auto fill start frequency does not affect the swept signal generator start frequency When Auto Fill Start is selected the active entry area indicates Fill Start XXXXXXXXX MHz where X represents a numeric value Unless a previous entry was made the display indicates the swept signal generator minimum frequency Programming Codes SCPI NONE see Fltness Me...

Страница 176: ...ncrement value or the number of points is assigned The auto fill stop frequency does not affect the swept signal generator stop frequency When Auto Fill Stop is selected the active entry area indicates Fill Stop XXXXXXXXX MHz where X represents a numeric value Unless a previous entry was made the display indicates the swept signal generator maximum frequency Programming Codes SCPI NONE see Fltness...

Страница 177: ...h to the high end of the frequency range Auto Track is complete when the display returns to its original state On swept signal generators without a step attenuator provide a good source match on the RF connector Use a power sensor or a 10 dB attenuator If a good source match is not provided the swept signal generator can mistrack because of excessive reflections at the output Programming Codes SCP...

Страница 178: ...e information from being displayed As an added benefit remote execution time is reduced because the display does not require refreshing This key does not disable any other key functions An asterisk next to the key label indicates this function is active Programming Codes SCPI DISPlay STATe ON OFF O l Analyzer SHSll disables the display SHSlO re enables the display See Also Security Menu Operating ...

Страница 179: ...lue Use the entry area to set the desired value Certain center frequency and frequency span combinations cause the swept signal generator to limit the value entered In general any combination that would cause the swept signal generator to exceed its minimum or maximum specified frequency will be limited SCPI FREQuency CENTer num freq suffix or MAXimum MINimum UP DOWN FREQuency MODE SWEep Analyzer ...

Страница 180: ...rator in that case the swept signal generator automatically scales the frequency span to be within the swept signal generator s operating frequency range Programming Codes SCPI MARKer n FREQuency FREQuency CENTer freq from above freq suffix Analyzer MC See Also C 1 Marker Operation in Chapter 1 Clear Fault Function Group Menu Map Description Programming Codes See Also SERVICE 6 This softkey clears...

Страница 181: ...mber of times the state information should be overwritten While the swept signal generator is working to overwrite the state information it flashes the count on the display This softkey causes the swept signal generator to recall the original calibration data stored in permanent memory EEROM all list and user ALC correction data will be lost Programming Codes SCPI SYSTem SECurity COUNt n SYSTem SE...

Страница 182: ...he FM scaling depends on the FM deviation chosen The following table shows the scale versus deviation AM INPUT There are two AM operation modes linear and log When the swept signal generator is in linear AM mode the input accepts a 1 to l V signal With an AM input of 0 V the RF output level the reference level is unaffected at 1 V input the RF is shut off and with a fl V input the RF output is 100...

Страница 183: ...viation changes linearly as the FM input changes from 0 to its upper or lower voltage limit The input impedance for this input connector is factory set at 50 s2 but can be switched to 600 R Refer to Adjustments in the Calibration manual Damage level for this input is 215 V or 1 15 V PULSE INPUT is TTL compatible A TTL high input 2 V causes a maximum selected RF power output while a TTL low input c...

Страница 184: ... sweep or to advance to the next point of a step list or a frequency list TRIGGER OUTPUT Produces a 1 pus wide TTL level pulse at 1601 points evenly spaced across an analog sweep or at each point in a step list or a frequency list VOLTS GHz supplies a voltage that is proportional to the RF output frequency with a ratio of 0 5 volt output for every 1 GHz of RF frequency factory setting This ratio i...

Страница 185: ...w Retrace I O TTL 13 No Connection 14 Low Marker o u t TTL 15 Low Qualified Stop Sweep o u t TTL 16 Spare o u t TTL 17 Spare o u t TTL 18 Sweep Output o u t 0 to 10 V ramp 19 Ground 20 Low Blank Request In TTL 21 Spare 22 No Connection 23 Spare 24 Low Source Settled o u t TTL 25 No Connection AUXILIARY INTERFACE AUXILIARY INTERFACE 25 25 14 14 RS 232 CABLE RS 232 CABLE Figure C l Auxiliary Interfa...

Страница 186: ... can be interconnected in a star pattern one central instrument with the HP IB cables emanating from that instrument like spokes on a wheel or in a linear pattern like boxcars on a train or any combination pattern There are certain restrictions n Each instrument must have a unique HP IB address ranging from 0 to 30 decimal Refer to 8360 adrs for information on setting the swept signal generator s ...

Страница 187: ... no capability SRI Service Request complete capability RLl Remote Local complete capability PPO Parallel Poll no capability DC1 Device Clear complete capability DTl Device Trigger complete capability CO 1 2 3 28 Controller capability options CO no capabilities Cl system controller C2 send IFC and take charge C3 send REN C28 send I F messages E l Electrical specification indicating open collector o...

Страница 188: ...ol line zero Signals MOD CO and MOD Cl are the control lines for the read write to and from the mm source module Control line one Source module clamp control not used Source module sense A 1mA current is injected on this line by the mm source module to indicate its presence This signal always equals 0 v Low RF off Source module RF is turned off Source module external leveling return Source module ...

Страница 189: ...nector Cure for more information Function Group Menu Map Description Programming Codes See Also SWEEP 7 This hardkey initiates continuous sweep retrace cycling of the swept signal generator The sweep is initiated by one of the trigger functions while the sweep speed is controlled by the sweep time function The green LED located above this key lights when the swept signal generator is performing an...

Страница 190: ...ss Menu CorPair Disable Function Group POWER Menu Map 5 Description This softkey lets you disable the user flatness array frequency correction pairs so that the 1601 point flatness array will be applied when FLTNESS ON OFF is on The 1601 point flatness array is accessible only through the HP IB interface Programming Codes SCPI CORRection SOURce O l ARRay Analyzer NONE See Also Fltness Menu Optimiz...

Страница 191: ...lets you select a synthesized continuous wave frequency When you press cwl the swept signal generator stops sweeping green SWEEP LED off and displays CW XXXXX MHz where XXXXX represents a frequency value Use either the rotary knob the step keys with or without the left right arrow keys or the numerical entry keys with a terminator key to set the desired value If a small change is desired use the l...

Страница 192: ...softkey couples the CW function to the center frequency function Any change initiated in either one of these parameters causes a change in the other Programming Codes SCPI FREQuency CW AUTO ONlOFFlllO Analyzer NONE See Also m l C 14 Operating and Programming Reference ...

Страница 193: ...turn the doubler amplifier always on or always off These two modes are unspecified operation for instruments with a doubler installed These softkeys have no effect on instruments without a doubler Doubler Amp Mode AUTO Sets the doubler amp mode to AUTO This is the default after preset and must be used for specified performance Doubler Amp Mode On Turns the doubler amplifier on regardless of the fr...

Страница 194: ... if the low ALC bandwidth feature is selected An asterisk next to the key label indicates that this feature is active Programming Codes SCPI AM MODE DEEP AM STATe ONlOFFlllO Analyzer NONE See Also ALC AM On Off LMOD Optimizing Swept Signal Generator Performance in Chapter 1 Delay Menu Function Group IruloD Menu Map 4 Description This softkey Option 002 only accesses the pulse delay softkeys These ...

Страница 195: ...y list menu and the power flatness menu Delete A11 Deletes the complete array Delete Current Deletes the active line in the array Delete Undef Appears in the power flatness menu only It deletes the points that are undefined Programming Codes SCPI NONE see Fltness Menu or List Menu Analyzer NONE See Also Fitness Menu List Menu Optimizing Swept Signal Generator Performance in Chapter 1 Delete All Fu...

Страница 196: ... menu structure there are two occurrences of this softkey One occurs in the frequency list menu The other occurs in the power flatness menu In the list menu application the frequency entry and the associated offset and dwell values in the active line are deleted The active line is designated by the pointer and can be pointing at any of values within the array In the flatness menu application the f...

Страница 197: ... is intensified An asterisk next to the key label indicates that this feature is active At preset factory the swept signal generator is set to measure the difference between M2 and Ml marker reference If markers have not been activated after preset selecting Delta Marker indicates the difference between M2 and Ml Both of these markers have an asterisk next to their key label indicating that they a...

Страница 198: ...plays the five markers available as the delta marker reference The delta marker frequency is calculated using the equation f ym fm frmf where f is the frequency of the active marker and fmref is the frequency of the reference marker Programming Codes SCPI MARKer REFerenc marker number Analyzer MD1 function on MD0 function off See Also Delta Marker Marker Operation in Chapter 1 Programming Typical ...

Страница 199: ...None This key is useful when checking the current operation state of the swept signal generator The following is a listing of the various mnemonics used to indicate status Table D l Mnemonics used to Indicate Status Function Mnemonic Pulse Pls AM AM State Off Scalar Internal External Off lOdB V 100 V Mnemonic Off Scalar Intrnl Extrnl Off lOdB V 100 V FM FM Off Off AC AC DC DC Alternate Registers A...

Страница 200: ...PI NONE Analyzer NONE See Also STATUS MESSAGES Doubler Amp Mode AUTO Function Group POWER Menu Map 5 Description This softkey is applicable to instrument models with a doubler installed The doubler has an integral amplifier whose operation is controlled by the instrument firmware The use of the amplifier depends on the frequency of operation and on the calibration constants set at the factory The ...

Страница 201: ...irmware This softkey turns off the automatic mode of operation and turns off the amplifier so that it is never used This is an unspecified mode of operation since the output power may not be at the maximum leveled output power specification at frequencies generated in the doubled mode This softkey has no effect on instruments without a doubler An asterisk next to the key label indicates that this ...

Страница 202: ...ct on instruments without a doubler An asterisk next to the key label indicates that this feature is active SCPI POWer AMPLifier STATE ON OFF O l POWer AMPLifier STATE Analyzer NONE Dblr Amp Menu Dwell Coupled Function Group Menu Map Description Programming Codes See Also FREQUENCY 2 This softkey lets you couple the dwell time for points in the stepped frequency sweep mode to the ramp sweep mode s...

Страница 203: ...entry keys or the up down arrow keys The address value may be set between 0 and 30 The swept signal generator stores the address value in non volatile memory The default address of the swept signal generator is 19 SCPI SYSTem COMMunicate GPIB ADDRess Analyzer NONE Connectors HP IB Menu Instrument Addresses in Chapter 1 Programming Typical Measurements in Chapter 1 Operating and Programming Referen...

Страница 204: ...req The up down arrow keys let you scroll through the frequency points available for power correction If no correction value is entered for a frequency point the swept signal generator display indicates Undefined The range of acceptable values is 40 to 40 dB An asterisk next to the key label indicates that this feature is active Programming Codes SCPI NONE see Fltness Menu Analyzer NONE See Also F...

Страница 205: ...ues can be accepted into the array Frequency points can be entered in any order and the swept signal generator automatically reorders them beginning with the lowest frequency One frequency correction pair is the minimum and 801 is the maximum number of points that can be entered An asterisk next to the key label indicates that this feature is active SCPI NONE see Fltness Menu Analyzer NONE Fltness...

Страница 206: ...ONE see List Menu Analyzer NONE List Menu Optimizing Swept Signal Generator Performance in Chapter 1 Enter List Freq Function Group FREQUENCY Menu Map 2 Description This softkey lets you enter a frequency point into the frequency list array The frequency list may contain as few as one and as many as 801 points The order frequencies are entered is the order they are listed Additions to an existing ...

Страница 207: ...through the frequency points available to change the default power values An asterisk next to the key label indicates that this feature is active SCPI NONE see List Menu Analyzer NONE List Menu Optimizing Swept Signal Generator Performance in Chapter 1 ENTRY KEYS Function Group Menu Map Description See Also NONE NONE The entry keys consist of the numeric entry keys 0 through 9 the decimal point ke...

Страница 208: ...L Menu Map 9 Description This softkey enables the swept signal generator to act as a controller to an HP 437B power meter This softkey causes an immediate execute on the interface bus and generates an HP IB error if no power meter is present on the interface bus or if the swept signal generator is unable to address the power meter Use external detector calibration to characterize and compensate fo...

Страница 209: ...and FNXFER Fault Info 3 Indicates the latched status of CALYO CALMAN TMR CNFLCT and SEARCH Clear Fault Clears all latched fault status messages Programming Codes SCPI DIAGnostics OUTput FAULts This command produces a string of ones and zeroes 16 bits separated by commas to indicate the latched status of the different fault indicators Bit Fault Name 0 PEAK 1 TRACK 2 RAMP 3 SPAN 4 V GHZ 5 ADC 6 EERO...

Страница 210: ...s that the ramp algorithm is unable to adjust the sweep ramp voltage to 10 00 V at the end of the sweep Initiate a full self test to gather more information if this fault is indicated Indicates that the span algorithm is unable to adjust the YO to achieve the correct frequency at the end of a band This fault indication is possible only if a sweep span routine has been initiated Indicates that the ...

Страница 211: ...of the processor ROM RAM and I O system performed at power on has failed The front panel INSTR CHECK LED lights Initiate a full self test to gather more information if this fault is indicated PWRON FAIL CALCO FAIL PLLZERO FAIL PLLWAIT FAIL FNXFER FAIL Indicates that the internal calibration data has been defaulted either deliberately or due to an EEROM failure Indicates a phase lock loop error cau...

Страница 212: ...s fault is indicated CALMAN Indicates that the manual sweep DAC adjusted at F A I L power on or at preset is unable to calibrate Initiate a full self test to gather more information if this fault is indicated TMR CNFLCT FAIL Indicates a possible internal software error Two routines are trying to use the same timer SEARCH Indicates that the ALC search leveling algorithm has failed This fault indica...

Страница 213: ...e increment size is specified Sets the stop frequency of the flatness array that will load automatically when either the number of points or the increment size is specified Changes the power correction value for the indicated frequency point to the undefined state Copies the frequency list see List Menu into the frequency parameter of the flatness correction array Disables the frequency correction...

Страница 214: ...n the source and the test device User flatness correction allows the digital correction of up to 801 frequency points 1601 points via HP IB in any frequency or sweep mode i e start stop CW power sweep etc Using a power meter to calibrate the measurement system as shown in Figure F l a table of power level corrections is created for the frequencies where power level variations or losses occur see F...

Страница 215: ...m refer to the IALC entry in the A section of this manual The factory generated internal calibration data of the swept signal generator is digitally segmented into 1601 data points across the start stop frequency span chosen Subsequently these points are converted into 1601 reference voltages for the ALC system The digital ALC control scheme not only delivers excellent power accuracy and flatness ...

Страница 216: ...user flatness correction array Assume that the swept signal generator is set to sweep from 2 to 18 GHz but you only enter user flatness correction data from 14 to 18 GHz Linear interpolation occurs between the correction entries to provide the 401 points required for the 14 to 18 GHz portion of the array No corrections are applied to the 2 to 13 99 GHz portion of the array Refer to Figure F 4 Poin...

Страница 217: ...be set to 5 dBm When user flatness correction is enabled this provides the maximum available power to the device under test DUT Programming Codes SCPI n CORRection FLATness num freq suffix num DB 2 801 The portion of the above command contained in can be entered from one to 801 times This command creates the frequency correction pair array similar to the front panel array The correction entered is...

Страница 218: ...urns information on how many frequency correction pairs were entered using the CORR FLAT command Analyzer NONE S e e Also m FLTNESS ON OFF List Menu Optimizing Swept Signal Generator Performance in Chapter 1 Programmmg Typic2 Measurements in Chapter 1 FLTNESS O N O F F Function Group Menu Map Description Programming Codes See Also POWER 5 This hardkey applies flatness correction to the swept signa...

Страница 219: ...g Codes SCPI FM FILTer HPASs num freq suffix MAXimum MINimum num sets the AC bandwidth to 100 kHz for any value 1 kHz and sets the AC bandwidth to 20 Hz for any value 1 kHz Analyzer NONE See Also MOD_ also see FM and Modulation FM Coupling DC Function Group MOD Menu Map 4 Description This softkey Option 002 only lets you set the FM input to be DC coupled Use DC coupling for modulation rates below ...

Страница 220: ... IOOkHz FM Coupling DC Waveform Menu Toggles on and off the frequency modulation mode for an external FM source Toggles on and off the frequency modulation mode using the internal FM generator Sets the rate of the internal frequency modulation Sets the deviation of the internal frequency modulation Sets AC coupling for modulation rates of 100 kHz or greater The RF signal is phase locked Sets DC co...

Страница 221: ...um MINimum FM COUPling AC FM STATe ON OFF l O Analyzer FM1 function on followed by either 100 kHz lMHz or 10 MHz FM0 function off See Also m CONNECTORS FM On Off DC Function Group MODULATION Menu Map 4 Description This softkey lets you select DC coupled frequency modulation FM and makes FM deviation frequency the active function FM sensitivity is selectable Use the rotary knob up down or numeric e...

Страница 222: ...nal FM is in effect the RF output is frequency modulated with a rate and depth set by the external source The FM coupling is controlled by the following softkeys FM Coupling IOOkHz FM Coupling DC The FM coupling defaults to 100 kHz This is AC coupling for FM rates of 100 kHz or greater For modulation rates below 100 kHz choose DC coupled FM An asterisk next to the key label indicates that external...

Страница 223: ...Internal FM Rate Internal FM Deviation FM Coupling IOOkHz FM Coupling DC Waveform Menu The swept signal generator is factory preset to a 1 MHz rate 1 MHz deviation and sine wave parameters An asterisk next to the key label indicates that internal FM is active and FM is displayed on the message line Programming Codes SCPI FM SOURce INTernal FM STATe ONIOFF Analyzer NONE See Also MOD_ also see FM an...

Страница 224: ...PI NONE see softkeys listed above Analyzer NONE Softkeys listed above Optimizing Swept Signal Generator Performance in Chapter 1 POWER 5 This softkey facilitates the entry of correction values The swept signal generator generates the corresponding CW frequency at the set power level as you scroll the correction cells of the flatness array An asterisk next to the key label indicates that this featu...

Страница 225: ... this feature is active Sets the frequency multiplier value and applies it to all frequency parameters Sets the frequency offset value and applies it to all frequency parameters Displays the frequency list create edit soft keys Reveals the stepped frequency sweep edit softkeys Sets the frequency step size in the CW frequency mode Sets the frequency step size in the swept frequency mode Places the ...

Страница 226: ...tart 20 GHz stop 50 GHz and asterisks appear next to the frequency data 4 Now set the stop frequency to 30 GHz The swept signal generator frequency is 6 GHz or 30 GHz 5 Frequency multiplier and offset are related as shown by the following equation Entered value or Displayed Frequency Frequency Generated x Multiplier Offset value The factory preset value is 1 An asterisk next to the key label indic...

Страница 227: ...ot affect the output frequency Frequency multiplier and offset are related as shown by the following equation Entered value or Displayed Frequency Frequency Generated x Multiplier Offset value Programming Codes See Also The factory preset value is 0 Hz An asterisk next to the key label indicates that this feature is active SCPI FREQuency OFFSet num MAXimum MINimum FREQuency OFFSet STATe ON OFF l O...

Страница 228: ... signal generator is in ramp sweep mode a sweep span calibration and an auto track is done If the swept signal generator has amplitude modulation active on a CW signal then RF peaking and an AM bandwidth calibration is performed SCPI See the individual types of calibration Analyzer NONE AM BW Cal Always AM BW Cal Once Auto Track Peak RF Always Peak RF Once Swp Span Cal Always Swp Span Cal Once F 2...

Страница 229: ...er List Dwell List Menu Optimizing Swept Signal Generator Performance in Chapter 1 Global Offset Function Group FREQUENCY Menu Map 2 Description This softkey is used to set an offset value for all points in the frequency list array Programming Codes SCPI NONE see List Menu Analyzer NONE See Also Enter List Offset List Menu Optimizing Swept Signal Generator Performance in Chapter 1 Operating and Pr...

Страница 230: ...guages are available n SCPI Standard Commands for Programmable Instruments is the instrument control programming language developed by Hewlett Packard to conform to the IEEE 488 2 standard replacing IEEE 728 1982 The IEEE 488 2 standard provides codes formats protocols and common commands that were unavailable in the previous standard n Analyzer is the programming language compatible with the HP 8...

Страница 231: ...HP IB Henu See Also CONNECTORS HP IB Getting Started Programming in Chapter I H 2 Operating and Programming Reference ...

Страница 232: ...ry keys arrow keys or rotary knob to change the value of the depth The swept signal generator accepts values from 0 to 99 9 percent 0 percent is equivalent to no modulation and has a resolution of 0 1 percent The factory preset depth is 30 percent SCPI AM DEPTH num PCT MAXimum MINinum num DB UNIT AM DB PCT Analyzer NONE MOD also see AM and Modulation Operating and Programming Reference I 1 ...

Страница 233: ...te is 100 kHz SCPI AM INTernal FREQuency num freq suffix IMAXimumJMINimum Analyzer NONE IIvIoD_ also see AM and Modulation Internal AM Waveform Noise Function Group Menu Map Description Programming Codes See Also MOD 4 This softkey Option 002 only lets you set the AM waveform to noise white noise AM rate gaussian distribution centered around AM depth for internally generated AM An asterisk next to...

Страница 234: ...ne wave SCPI AM INTernal FUNCtion RAMP Analyzer NONE IhnoD_ also see AM and Modulation Internal AM Waveform Sine Function Group Menu Map Description Programming Codes See Also INIOD 4 This softkey Option 002 only lets you set the AM waveform to sine wave for internally generated AM An asterisk next to the key label indicates that this feature is active Sine wave is the factory preset waveform SCPI...

Страница 235: ...ave SCPI AM INTernal FUNCtion SQUare Analyzer NONE MOD also see AM and Modulation Internal AM Waveform Triangle Function Group Menu Map Description Programming Codes See Also 4 This softkey Option 002 only lets you set the AM waveform to triangle wave for internally generated AM An asterisk next to the key label indicates that this feature is active The factory preset default is sine wave SCPI AM ...

Страница 236: ... AM and Modulation Internal FM Rate Function Group Menu Map Description Programming Codes See Also MOD 4 This softkey Option 002 only lets you set the FM rate for internally generated FM Use the numeric entry keys arrow keys or rotary knob to change the value of the rate The swept signal generator accepts values from 1 Hz to 1 MHz however it is specified to 1 MHz only for a sine waveform Refer to ...

Страница 237: ... The factory preset default is sine wave SCPI FM INTernal FUNCtion NOISe Analyzer NONE MOD also see FM and Modulation Internal FM Waveform Ramp Function Group Menu Map Description Programming Codes See Also INIOD 4 This softkey Option 002 only lets you set the FM waveform to ramp for internally generated FM An asterisk next to the key label indicates that this feature is active The factory preset ...

Страница 238: ...eset waveform SCPI FM INTernal FUNCtion SINusoid Analyzer NONE MOD_ also see FM and Modulation Internal FM Waveform Square Function Group Menu Map Description Programming Codes See Also MOD 4 This softkey Option 002 only lets you set the FM waveform to square wave for internally generated FM An asterisk next to the key label indicates that this feature is active The factory preset default is sine ...

Страница 239: ...OD Menu Map 4 Description This softkey Option 002 only lets you define the parameters of the internal pulse modulation Internal Pulse Generator Width Sets the width of the on portion of the internally generated pulse Internal Pulse Generator Rate Sets the repetition frequency of the internally generated pulse Internal Pulse Generator Period Sets the period of the internally generated pulse Interna...

Страница 240: ...od The pulse is adjustable from 300 ns to 400 ms with 25 ns resolution The factory preset default is 2 ms pulse period When this feature is active its current value is displayed in the active entry area Since period and rate are inversely related if both are given values only the last one will be applied which will cause the first one to be recalculated Use the one that is convenient for your appl...

Страница 241: ...you set the pulse rate do not change the pulse period the swept signal generator automatically adjusts the period to match the rate Programming Codes SCPI PULM INTernal FREQuency num freq suffix MAXimum MINimum Analyzer NONE See Also MOD also see Pulse and Modulation Internal Pulse Generator Width Function Group MOD Menu Map 4 Description This softkey Option 002 only lets you set a value for the i...

Страница 242: ... next to the key label indicated that this mode is selected Programming Codes SCPI PULM INTernal TRIGger SOURce INTernal Analyzer NONE See Also 0 1 M O D a so see Pulse and Modulation Internal Pulse Mode Gate Function Group MOD_ Menu Map 4 Description This softkey Option 002 only logically ANDs the internal pulse generator with a gating signal supplied from an external source Programming Codes SCP...

Страница 243: ...PULM INTernal TRIGger SOURce EXTernal Analyzer NONE See Also MOD also see Pulse and Modulation Invert Input Function Group MOD Menu Map 4 Description This softkey Option 002 only inverts the logic of the external pulse input With this function active 5 V turns off RF power Programming Codes SCPI PULM EXTernal POLarity INVerted Analyzer NONE See Also II 1 M O D a so see Pulse and Modulation l 12 Op...

Страница 244: ...r sensor If the power level is set when the swept signal generator is in CW mode and then pulse modulation is activated the peak pulse level equals the CW level The attenuator value is set via the Set Atten softkey in the POWER menu An asterisk next to the key label indicates that this feature is active SCPI POWer ALC STATe OFF10 POWer ATTenuation AUTO OFF O Analyzer SHA3 ALC INIOD Pulse On Off Ex...

Страница 245: ...OWer ALC STATe ONI 1 Analyzer Al internal normal A2 external normal A3 external power meter normal SHA2 source module normal IALC Leveling Mode Search Function Group ALC Menu Map 1 Description This softkey causes the ALC to switch off once the desired power level is reached When this leveling mode is activated or when power or frequency is changed the swept signal generator switches to CW frequenc...

Страница 246: ...ets you set the swept signal generator to accept an external feedback connection from a negative output diode detector to level power The EXT ALC BNC is the input connection for the required signal An asterisk next to the key label indicates that this feature is active SCPI POWer ALC SOURCce DIODe POWer ATTenuation AUTO OFF 0 Analyzer A2 ALC Externally Leveling the Swept Signal Generator in Chapte...

Страница 247: ...eries millimeter wave source module All models of the HP 8360 B Series swept signal generator drive mm wave source modules High power models of HP 8360 drive the mm wave source modules directly and to specified power levels An HP 8349B power amplifier is needed in other configurations The source module interface multi pin connector provides the communication path between the swept signal generator...

Страница 248: ...nction Group NONE Menu Map NONE Description The line switch on off switch has two positions off or standby and on If line power is connected to the swept signal generator and the line switch is set to off the swept signal generator is in the standby state amber LED on Standby provides power to the internal frequency standard oven When line power is connected and the line switch is set to on the sw...

Страница 249: ...ows the entry of an ALC output power correction value for a frequency in the frequency list Automatically sets the dwell time for all points in the frequency list to a user specified value Automatically sets the ALC output power correction value for all points in the frequency list to a user specified value Reveals the frequency list in the point trigger menu A frequency list consists of two or mo...

Страница 250: ...e maximum number of frequency points allowed 801 the new list is not appended to the existing list The error message TOO MANY LIST PTS REQUESTED is displayed To remove a frequency point and its associated offset value and dwell time use the delete menu Delete Current softkey To remove an entire frequency list use the delete menu Delete All softkey Editing ALC Offset and Dwell Time Once a frequency...

Страница 251: ...gth with all values the same At RST all lists for the current state are cleared and reset to a single value Analyzer NONE See Also RECALL E Sweep Mode List Creating and Using a Frequency List in Chapter 1 List Mode Pt Trig Auto Function Group Menu Map Description Programming Codes See Also FREQUENCY 2 This softkey lets you set the swept signal generator to automatically step through a frequency li...

Страница 252: ...rig Menu Sweep Mode List Creating and Using a Frequency List in Chapter 1 List Mode Pt Trig Ext Function Group Menu Map Description Programming Codes See Also FREQUENCY 2 This softkey lets you set the trigger point to be an external hardware trigger When the swept signal generator receives an external hardware trigger it steps to the next frequency point of the frequency list provided the swept si...

Страница 253: ...tion The front panel keys are deactivated when the swept signal generator is operated remotely If the external controller executes a LOCAL LOCKOUT command pressing the LOCAL key does not return the swept signal generator to front panel control SCPI LOCAL Analyzer LOCAL NONE Getting Started Programming in Chapter 1 Programming Typical Measurements in Chapter 1 L 10 Operating and Programming Referen...

Страница 254: ...nalyzer MPl function on MPO function off See Also M a r k e r Mi Start Ml Stop M2 Marker Operation in Chapter 1 Programming Typical Measurements in Chapter 1 Manual Sweep Function Group SWEEP Menu Map 7 Description This softkey lets you set the swept signal generator to the manual sweep mode of operation Depending on what parameter is sweeping you can use either the rotary knob or the ARROW keys t...

Страница 255: ... frequencies is a linear interpolation of the frequency span For example a frequency half way between the start stop limits has a sweep voltage of 5 V 2 The bandcross points in CW mode occur at 2 0 7 13 5 20 25 5 and 32 GHz In manual sweep mode the bandcrossing points have 200 MHz of flexibility that is automatically used by the swept signal generator for optimum performance For example a 2 0 to 7...

Страница 256: ...l generator to sweep from Ml to M2 Marker MI Marker M2 Marker M3 Marker M4 Marker M5 Markers All Off Start Ml Stop M2 Makes Ml frequency the active function Makes M2 frequency the active function Makes M3 frequency the active function Makes M4 frequency the active function Makes M5 frequency the active function Turns off all markers Changes the swept signal generator start and stop frequencies to ...

Страница 257: ...ormally as Z axis intensity dots but can be changed to amplitude pulses Amp1 Markers When a marker is turned off the frequency value of that marker is retained in memory If the marker is reactivated the stored frequency value is recalled for that marker The frequency value of Ml and of M2 can also be used to define parameters in two other marker features Ml M2 Sweep and Start Mi Stop M2 Programmin...

Страница 258: ... MkrRef Menu Start Ml Stop M2 Marker Operation in Chapter 1 Programming Typical Measurements in Chapter 1 Marker M3 Function Group Menu Map Description Programming Codes See Also MARKER 3 See MARKER Mi SCPI MARKer3 FREQ uency num freq suffix or MAXimumjMINimum MARKer3 STATe ONIOFFJllO Analyzer M3 function on MO function off A Markers m MkrRef Menu Marker Operation in Chapter 1 Programming Typical ...

Страница 259: ...Menu Marker Operation in Chapter 1 Programming Typical Measurements in Chapter 1 Marker M5 Function Group MARKER Menu Map 3 Description See MARKER M1 Programming Codes SCPI MARKer5 FREQ uency num freq suffix or MAXimum I MINimum MARKer5 STATe ONIOFF 110 Analyzer M5 function on MO function off See Also Amp1 Markers C 1 MkrRef Menu Marker Operation in Chapter 1 Programming Typical Measurements in Ch...

Страница 260: ... swept signal generator settings SCPI MARKer AOFF Analyzer SHMO Amp1 Markers Center Marker Ml M2 Sweep ii Marker Operation in Chapter 1 Programming Typical Measurements in Chapter 1 Measure Corr All Function Group Menu Map Description Programming Codes See Also POWER 5 This softkey enables the swept signal generator to act as a controller to command an HP 437B power meter to measure flatness corre...

Страница 261: ...ness array frequency SCPI NONE Analyzer NONE Fltness Menu Mix Meas Menu Creating and Applying the User Flatness Correction Array in Chapter 1 POWER 5 This softkey lets you enable the swept signal generator to act as a controller to command an HP 437B power meter to measure flatness correction values for those frequency points of the flatness array that do not have correction values assigned SCPI N...

Страница 262: ...he factory default address set at 13 The address value is stored in non volatile memory SCPI DIAGnostics INSTrument PMETer ADDRess num Analyzer NONE Adrss Menu Optimizing Swept Signal Generator Performance in Chapter 1 Chapter 3 Meter On Off AM Function Group Menu Map Description Programming Codes See Also INIOD 4 This softkey Option 002 only lets you display the value of the depth of the external...

Страница 263: ...rnal source at the AM connector The AM can be scaled either linearly or exponentially Swept signal generators with Option 002 also have the capability of internally synthesizing amplitude modulation in sine square triangle ramp or noise waveforms Deep AM a distortion reduction mode can be selected for use when operating at a deep amplitude modulation level FM Frequency modulation is accepted from ...

Страница 264: ...le with 25 ns resolution Additional information is available under Modulation or refer to the type of modulation by name AM FM Pulse See Also Modulation ModOut On Off AM Function Group MOD Menu Map 4 Description This softkey Option 002 only lets you output the internally generated amplitude modulation waveforms to the rear panel AM FM OUTPUT connector When scaled linearly at 100 V the maximum outp...

Страница 265: ... waveforms to the rear panel AM FM OUTPUT connector When scaled exponentially at 10 dB V the maximum output voltage is offset to 0 V and the minimum voltage level is 4 V Programming Codes SCPI MODulation OUTput SOURce FM MODulation OUTput STATe ONlOFFlllO Analyzer NONE See Also MOD also see FM and Modulation M 12 Operating and Programming Reference ...

Страница 266: ... output power level via the linear modulator When the sum of the detected and reference signals is 0 volts the output of the integrator is held at a constant level and the RF output is leveled This loop is bandwidth limited by the integrator and the integrate and hold circuit Notice however that there is a feedforward path that allows changes in power level that are bandwidth independent from the ...

Страница 267: ...y be capable of greater leveled output power the unleveled message indicates the actual limit Amplitude modulation adds to and subtracts from the reference RF power level If an WL dLED message appears on the display you may be trying to modulate beyond the swept signal generator s maximum output power capability OVRMOD Message The maximum AM depth is limited to approximately 90 by the detector s a...

Страница 268: ...en the desired AM depth is very deep greater than 90 or when modulating below an ALC level of 20 dBm Amplitude modulation is summed with the reference level signal The detected signal is compared to the reference Therefore the ALC loop should follow the AM input However the detector s ability to sense low power levels limits the maximum AM depth When the modulation signal reduces the output power ...

Страница 269: ...generator will automatically perform the calibration whenever you change the CW frequency Although this feature provides more accurate performance note that it also slows the frequency switching time by 20 ms ALC Bandwidth Since the ALC loop is open at power levels less than 13 dBm in deep AM mode power levels at very slow AM rates are subject to integrate and hold drift of typically 0 25 dB s Set...

Страница 270: ... monitor menu lets you output the internally generated modulation waveforms to the rear panel AM FM OUTPUT connector The scale of the FM output depends on the FM deviation chosen The following table shows the scale versus deviation The monitor menu also lets you display the value of the FM deviation FM Coupling Whether provided from an external source or generated internally Option 002 the FM syst...

Страница 271: ...tion remains less than n x 5 x FM rate and less than 8 MHz 10 9 xi s 8 7 s 5 6 b 0 5 E 4 E z 3 z 2 1 N N N N N 6 z z 5 2 2 g N N 3 z 88 z I hl x aor G FM Rate Figure M 3 FM Deviation and Rate Limits If the FM deviation is set greater than the 8 MHz limit it must be decreased for specified performance An O ERtKiD message is displayed on the message line if the FM deviation exceeds n x 5 x FM rate T...

Страница 272: ... The pulse modulator is either full on or full off The amplitude when the pulsed RF is on is controlled by the linear modulator used for CW leveling and AM Trace 2 is the resultant RF pulse which is the RF output This pulse is detected by the diode detector It trails the pulse input because of propagation delays in the pulse modulator and its drive circuits The output of the detector is amplified ...

Страница 273: ... I PULSE lNPUT _o TRACE I TRACE 4 I3 HOLD 3 LOOP INTEGRATE NTEGR TOR I Figure M 4 ALC Block Diagram B PULSE WAVEFORMS 0 1 PULSE INPUT 0 2 RF THIS PEDESTAL REPRESENTS THE RF AMPLITUDE 0 3 LOG AMP OUTPUT 0 4 S H CONTROL Figure M 5 Pulse Modulation System M 20 Operating and Programming Reference ...

Страница 274: ... Changes due to temperature drift can be expected in this mode also Pulse Envelope The best pulse envelopes are obtained with the peak RF function see Peak RF Always This feature aligns the output filter so that its passband is centered on the RF output The pulse envelope changes with frequency and changes slightly with power level Swept signal generators with Option 006 pulse capability vary litt...

Страница 275: ...e RF is turned on or off The slew of the bias from one level to another couples to the output and produces the video feedthrough waveform At low ALC levels 10 dBm another mechanism dominates Mixer imbalance produces DC at the output of the mixer and its magnitude varies with RF amplitude and modulator state This shifting DC level couples through the amplifier as video feedthrough spikes In percent...

Страница 276: ...lso turn off module sensing completely Programming Codes See Also ALC Module Select AUTO Sets the swept signal generator to automatic selection of the source module Selects the front connector if source modules are present at both front and rear connectors This is the default after preset Module Select Front Sets the swept signal generator to select the source module connected to the front panel s...

Страница 277: ... the source module An asterisk next to the key label indicates this feature is active This feature is the default after preset Programming Codes SCPI SYSTem MMHead SELect AUTO ONjOFFlllO SYSTem MMHead SELect AUTO Analyzer NONE See Also Module Menu Module Select Front Function Group POWER and FREQUENCY Menu Map 2 and 5 Description This command causes the swept signal generator to examine only the f...

Страница 278: ...FREQUENCY 2 and 5 This command disables millimeter source module sensing The swept signal generator will not alter its frequency limits and multiplier even if a source module is connected to either source module interface connector An asterisk next to the key label indicates this feature is active SCPI SYSTem MMHead SELect FRONtlREARINONE SYSTem MMHead SELect Analyzer NONE Module Menu Operating an...

Страница 279: ...abel indicates this feature is active Programming Codes SCPI SYSTem MMHead SELect FRONtlREARlNONE SYSTem MMHead SELect Analyzer NONE See Also Module Menu Monitor Menu Function Group IrvlOD Menu Map 4 Description This softkey Option 002 only accesses the menu which allows you to output internally generated AM and FM waveforms to the rear panel AM FM OUTPUT connector It also accesses the softkeys wh...

Страница 280: ...ows you to page through the menus Look at one of the menu maps Notice the line keypath drawn from more n m By selecting this softkey the next page of the menu is revealed If you are viewing the last page of the menu selecting more n m returns the first page of the menu In this softkey n represents the page you are on and m represents the total number of pages in the menu Programming Codes SCPI Not...

Страница 281: ...he flatness correction array Meas Corr Undef Measures flatness correction values for all frequency points in the flatness correction array that have no correction values assigned The meter measure function uses an external HP 437B power meter to automatically measure and store power correction values for the frequency points requested Programming Codes SCPI NONE see Fltness Menu Analyzer NONE See ...

Страница 282: ... centered on the RF output Peaking is used to obtain both the maximum available power and spectral purity and the best pulse FM envelopes at a given frequency This peaking occurs each time the frequency is changed or every seven minutes An asterisk next to the key label indicates this function is active Programming Codes SCPI CALibration PEAKing AUTO ONlOFFlllO Analyzer RPl function on RPO functio...

Страница 283: ...ways Tracking Menu Optimizing Swept Signal Generator Performance in Chapter I Function Group POWER Menu Map NONE Description This hardkey lets you control the output power level of the swept signal generator The swept signal generator has different power leveling modes and leveling points and as such the POWER LEVEL key controls different aspects of the power level ALC system The following is an e...

Страница 284: ...VEL key controls the Level DAC and Level Control Circuits see Figure A l within the ALC level range 25 to 20 dBm This mode of operation requires a feedback connection from a negative output diode detector to the EXT ALC connector When you press POWER LEVEL the active entry area displays ATTEN X dB EXT POWER X Xx dBm where X represents a numeric value The data display area indicates Power dBm EXT x...

Страница 285: ... ATTEN X dB MODULE LEVEL X Xx dBm where X represents a numeric value The data display area indicates Power dBm MDL x xx In ALCoff there is no feedback voltage to level the power so power level is uncalibrated A leveling point is not specified in this mode The POWER LEVEL key controls the linear modulator directly from 0 to approximately 80 dB The attenuator if present is automatically uncoupled fr...

Страница 286: ...er of the swept signal generator Power Slope Activates the linear power per frequency mode of power output and makes RF slope dB GHz the active function Power Sweep Activates power sweep mode and makes power sweep dB swp the active function Set Atten Activates uncoupled attenuator as the mode of operation and makes the attenuator value the active function Tracking Menu Accesses the softkeys in the...

Страница 287: ... Function Group POWER Menu Map 5 Description This softkey changes the mapping of absolute power parameters on input to the swept signal generator It does not change the RF output produced by the swept signal generator The equation used to determine the displayed value is Entered or Displayed Power Hardware Power ALC Active Offset Programming Codes SCPI POWer OFFset STATe ONlOFFlljO POWer OFFset nu...

Страница 288: ...l indicates that this feature is active SCPI POWer SLOPe STATe ON OFF l O POWer SLOPe num DB MAXimum MINimumJUP DOWN Analyzer SLl function on SLO function off Note that because SL functions in the fundamental units of dB Hz you program the SL code SLmdt where m is 1 on or 0 off d is the numerical value in dB Hz and t is either DB or the ASCII LF terminator For example for a slope of 1 5 dB GHz use...

Страница 289: ...mmed Power sweep widths can be 45 dB wide in either direction However the settable power sweep range is dependent on the ALC level set An asterisk next to the key label indicates that this feature is active SCPI POWer MODE SWEeplFIXed POWer STARt num level suffix IMAXimumIMINimum POWer SPAN num level suffix MAXimum MINimum Analyzer PSl function on PSO function off POWER LEVEL Power Slope Power Swe...

Страница 290: ...rator failed self test refer to HP 8360 B Series Swept Signal Generator HP 360 L Series Swept CW Generator Troubleshooting Guide Cycling power with the POWER switch does not have the same effect as presetting the swept signal generator Cycling power causes the swept signal generator to display the programming language the HP IB address and the firmware revision date After the swept signal generato...

Страница 291: ...eep mode ramp n ALC leveling point internal n ALC leveling mode normal n Markers set to activate at the center frequency of the sweep n All function values stored in memory registers 1 through 9 remain in their previous states n The checksum of the calibration data is calculated and if an error is detected the calibration data in protected memory is used If the checksum of the protected data is no...

Страница 292: ... do a factory preset When the user preset mode is active the softkey Factory Preset appears when you press PRESET An asterisk next to the key label indicates that this feature is active Programming Codes SCPI SYSTem PRESet TYPE USER Analyzer NONE See Also 1 Preset Mode Factory Save User Preset Changing the Preset Parameters in Chapter 1 Printer Adrs Function Group Menu Map Description Programming ...

Страница 293: ...d in a last visited first seen order Refer to Figure P l and follow the arrow paths as indicated SOME OTHER PREVIOUS MENU BLANK KEYlABEL AREA Figure P l How PRIOR Works The sequence of keystrokes Figure P l is 1 FREQUENCY MENU 2 more l 2 3 List Menu 4 Delete Menu that created the movement shown in 5 PRIOR 6 PRIOR 7 PRIOR P 12 Operating and Programming Reference ...

Страница 294: ...P 8340 8341 mnemonics and provides HP network analyzer compatibility Any commands issued within 100 ms of a change in language may be ignored or lost An asterisk next to the key label indicates that this feature is active Programming Codes SCPI SYSTem LANGuage COMPatible Analyzer NONE See Also A s Menu ANALYZER STATUS REGISTER Getting Started Programming in Chapter 1 Chapter 3 Programming Language...

Страница 295: ...enu Map Description Programming Codes See Also SYSTEM 8 Standard Commands for Programmable Instruments SCPI is the instrument control programming language adopted by Hewlett Packard SCPI provides commands that are common from one Hewlett Packard product to another eliminating device specific commands This softkey lets you select SCPI as the swept signal generator s external interface language This...

Страница 296: ...t in the frequency list List Mode Pt Trig Bus Steps the swept signal generator to the next point in the frequency list when an HP IB trigger is received List Mode Pt Trig Ext Steps the swept signal generator to the next point in the frequency list when an external hardware trigger is received Programming Codes SCPI NONE Analyzer NONE See Also Softkeys listed above List Menu Operating and Programmi...

Страница 297: ...NTernal DELay num time suffix MAXimum MINimum Analyzer NONE MOD_ also see Pulse and Modulation Pulse Delay Trig d Function Group MOD Menu Map 4 Description This softkey Option 002 only lets you set a value for the internal pulse generator s pulse delay The output pulse is delayed from the leading edge of the PULSE input signal The range of acceptable values is from 225 ns to 419 ms The factory pre...

Страница 298: ...erator s pulse period See Also Pulse Rate Sets the internal pulse generator s pulse repetition rate Pulse Rise Time Auto Applies the appropriate filter fast slow to both internal and external pulse waveforms Pulse Rise Time Fast Applies a fast rise pulse filter to both internal and external pulse waveforms Pulse Rise Time Slow Applies a slow rise pulse filter to both internal and external pulse wa...

Страница 299: ...se Rise Time Auto Invert Input Toggles on and off the pulse modulation mode for an external pulse source Toggles on and off the internal scalar modulation mode Toggles on and off the internal pulse modulation mode Gives access to the internal menu for defining the parameters of the internally generated pulse modulation Applies a fast rise pulse filter to both internal and external pulse waveforms ...

Страница 300: ... feature is active Programming Codes SCPI PULSe SOURce EXTernal PULSe STATe ON OFF l O Analyzer PM1 function on PM0 function off See Also IALCJ CONNECTORS Ir noD Pulse Menu Pulse On Off Intrnl Function Group m Menu Map 4 Description This softkey activates pulse modulation mode using the internal pulse generator No external connection is needed When internal pulse modulation is selected the PULSE I...

Страница 301: ...lse generator to produce 27 778 kHz square wave pulses 18 ps pulse width 36 ps pulse period The rise and fall times of the RF envelope are approximately 2 ps These pulses allow proper operation with HP scalar network analyzers in ac detection mode An asterisk next to the key label indicates that this feature is active SCPI PULSe SOURce SCALar PULSe STATe ON OFF l O Analyzer SHPM function on PM0 fu...

Страница 302: ...Ming PERiod num time suffix or MAXimumlMINimum Analyzer NONE See Also ALC m Pulse Menu Pulse Rate Function Group Menu Map Description Programming Codes See Also MODULATION 4 This softkey lets you set the internal pulse generators pulse repetition rate The repetition rate can vary from 15 26 Hz to 500 kHz The factory preset value is 500 Hz When this feature is active its current value is displayed ...

Страница 303: ...e time set to auto An asterisk next to the key label indicates that this function is active Programming Codes SCPI PULM SLEW AUTO ON OFF l O Analyzer NONE See Also Pulse Menu Pulse Rise Time Fast Function Group MODULATION Menu Map 4 Description This softkey lets you set the pulse rise time to 250 ns regardless of any other conditions An asterisk next to the key label indicates that this function i...

Страница 304: ...gramming Codes SCPI PULM SLEW num time suffix MAXimum Analyzer NONE See Also Pulse Menu Pulse Width Function Group Menu Map Description Programming Codes See Also MOD 4 This softkey lets you set a value for the internal pulse generator s pulse width The range of acceptable values is from 1 11s to 65 5 ms The factory preset value is 1 ms When this feature is active its current value is displayed in...

Страница 305: ...set value is 0 dBm The value specified for Pwr Mtr Range directly affects the power level range for power meter leveling points When this feature is active its current value is displayed in the active entry area Programming Codes SCPI POWer RANGe num power suffix MAXimum MINimum Analyzer NONE See Also Leveling Point PwrMtr Optimizing Swept Signal Generator Performance in Chapter 1 P 24 Operating a...

Страница 306: ...Chapter 1 Programming Typical Measurements in Chapter 1 Ref Dsc Menu Function Group SYSTEM Menu Map 8 Description This softkey reveals the softkeys in the frequency standard menu IO MHz Freq Standard Auto Automatically selects the frequency standard to be used by the swept signal generator 10 MHz Freq Standard Extrnl Sets the swept signal generator to accept an external frequency standard as its r...

Страница 307: ...splay Press the key again to turn on RF power and restore the power value last entered Programming Codes SCPI POWer STATe ONlOFFlllO Analyzer RF1 power on RF0 power off See Also MOD POWER LEVEL ROTARY KNOB Function Group ENTRY Menu Map NONE Description The rotary knob is active whenever the entry area is on It controls a rotary pulse generator that allows analog type adjustment of the active entry...

Страница 308: ...or for approximately three years without line power Pressing PRESET does not erase the memory registers 1 through 8 Register 0 is a memory register also It saves the last front panel settings automatically and can not be accessed through the SAVE key Likewise register 9 is reserved for user preset storage and can not be accessed with the ISAVE key Pressing PRESET erases register 0 but not register...

Страница 309: ...Typical Measurements in Chapter 1 Save User Preset Save Lock Function Group Menu Map Description Programming Codes See Also Function Group Menu Map Description Programming Codes See Also SYSTEM 8 This softkey lets you store the present state of operation to be used as the PRESET state Set the swept signal generator to the desired operating conditions Select Save User Preset The display shows User ...

Страница 310: ...he HP 8360 B Series swept signal generators n ABORt n AM DEPth DEPth INTernal FREQuency FREQuency SOURce SOURce STATe STATe H CORRection STATe n DISPlay STATe STATe n FM COUPling COUPling INTernal FREQuency FREQuency SENSitivity SENSitivity SOURce SOURce STATe STATe w FREQuency CENTer CENTer CW AUTO AUTO FIXed CW FIXed AUTO AUTO FIXed MANual MANual MODE MODE SPAN Operating and Programming Referenc...

Страница 311: ... n AOFF FREQuency FREQuency REFerence REFerence STATe STATe n POWer ALC BANDwidth BWIDth AUTO AUTO BANDwidth BWIDth ATTenuation AUTO AUTO ATTenuation i e MODE MODE RANGe SPAN SPAN STARt STARt STOP STOP n PULM EXTernal POLarity POLarity INTernal FREQuency FREQuency SOURce SOURce S 4 Operating and Programming Reference ...

Страница 312: ...n CONDition ENABle ENABle EVENt NTRansition NTRansition PTRansition PTRansition PRESet QUEStionable CONDition ENABle ENABle EVENt NTRansition NTRansition PTRansition PTRansition n SWEep DWELl AUTO AUTO DWELl GENeration GENeration MODE MODE POINts POINts STEP STEP TIME AUTO AUTO LLIMit LLIMit Operating and Programming Reference S 5 ...

Страница 313: ...ing are the SCPI approved commands implemented by the HP 8360B Series swept signal generators Instrument specific diagnostic commands n DIAGnostics ABUS AVERage AVERage STATus ABUS ERRor ADD INSTrument PMETer ADDRess ADDRess PRINter ADDRess ADDRess IORW IORW LED ACTive ACTive ERRor ERRor IOCHeck IOCHeck o s c FNCW FNDN FNUP HARM S 6 Operating and Programming Reference ...

Страница 314: ...RECeiver ASTate ASTate BCRoss MODE MODE RSWeep SWAP SWAP BUCKet DIVider DIVider SWEep ARRay O l LOCK LOCK ARRay O l RESult TEST CONTinue DATA DESC MAXimum MINimum VALue DISable ENABle EXECute LOG SOURce SOURce t FTy LOOP e LOOP NAME PATCh DATA DATA POINts Operating and Programming Reference S 7 ...

Страница 315: ...definition n AM INTernal FUNCtion FUNCtion MODE MODE TYPE TYPE n CALibration ADJust A4 VCO A5 LGAin AG VCO AG SMATch AG LGAin AG IFGain AS OFFSet AlO MGAin A13 REFerence A13 GAIN A14 SRAMp AM AUTO AUTO EXECute CONStants DEFault NAME RECall SAVE CONStants PEAKing AUTO AUTO EXECute FINE PMETer ATTenuation ATTenuation DETector INITiate NEXT S 8 Operating and Programming Reference ...

Страница 316: ...ATTenuation EXTernal ARRay POINts ARRay RANGe RANGe TYPE TYPE VALue VALue ZERO TYPE VALue VALue RANGe RANGe RECall SAVE ZERO ALL SECurity CODE STATe STATe SPAN AUTO AUTO EXECute TRACk ORRection ARRay i ARRay i FLATness POINts FLATness SOURce i SOURce i STATe STATe Operating and Programming Reference S 9 ...

Страница 317: ...ATe STATe MULTiplier OFFSet STATe STATe OFFSet STEP AUTO AUTO INCRement INCRement n INITiate CONTinuous CONTinuous IMMediate n LIST MANual MANual MODE MODE POWer CORRection POINts CORRection TRIGger SOURce SOURce n MARKer n AMPLitude STATe STATe VALue VALue DELTa MODE MODE w MEASure AM S 10 Operating and Programming Reference ...

Страница 318: ...FACtor SOURce SOURce STATe STATe AMPLifier STATE AUTO AUTO STATE CENTer CENTer OFFSet STATe STATe OFFSet SEARch SLOPe STATe STATe SLOPe STATe STATe STEP AUTO AUTO INCRement INCRement w PULSe FREQuency FREQuency n PULM EXTernal DELay DELay INTernal DELay DELay GATE Operating and Programming Reference S l 1 ...

Страница 319: ... ENABle ENABle EVENt NTRansition NTRansition PTRansition PTRansition SREceiver CONDition ENABle ENABle EVENt NTRansition NTRansition PTRansition PTRansition n SWEep CONTrol STATe TYPE MANual POINt POINt I attive a ive MARKer STATe STATe XFER TRIGger SOURce SOURce D SYSTem DUMP PRINter S 12 Operating and Programming Reference ...

Страница 320: ...er ERRor KEY ASSign CLEar CODE CODE DISable ENABle LANGuage MMHead SELect AUTO AUTO SELect PRESet EXECute SAVE TYPE SECurity COUnt COUnt n TRIGger ODELay ODELay n TSWeep n UNIT AM AM POWer POWer Operating and Programming Reference S 13 ...

Страница 321: ...tandard Event Status Register This is a destructive read l IDN This returns an identifying string to the HP IB The response is in the following format HEWLETT PACKARD model serialnumber DD MMM YY where the actual model number serial number and firmware revision of the swept signal generator queried is passed a LRN This returns a long string of device specific characters that when sent back to the ...

Страница 322: ...s POINts returns a0 CORRection STATe OFF DIAGnostics ABUS AVERage 1 DIAGnostics TEST ENABle ALL DIAGnostics TEST LOG SOURce FAIL DIAGnostics TEST LOGC STATel OFF DIAGnostics TEST LOOP OFF DISPlay STATel ON FM DEViationvalueis 1 MHz FM COUPlingAC FM FILTer HPASs MAXimum FM INTernal FREQuency value is 1 MHz FM SENSitivityMAXimum FM SOURceEXTernal FM STATe OFF FREQuency CENTer value is MAX MIN 2 FREQ...

Страница 323: ... STATE AUTO ON POWer ATTenuation AUTO ON POWer CENTer 0 DBM POWer LEVel 0 DBM POWer MODEFIXed POWer SLOPe 0 POWer SLOPe STATe OFF POWer SPAN 0 DB POWer STARtO DBM POWer STATe OFF POWer STEP AUTO ON POWer STEP INCRement 10 DB POWer STOP 0 DBM PULSe FREQuency 500 KHZ PULSe PERiodZ 11s PULSe WIDthlps PULM EXTernal DELayMINimum PULM EXTernal POLarityNORMal PULM INTernal DELay value is 0 PULM INTernal ...

Страница 324: ... from 1 to 8 An execution error occurs if you try to save state 0 l SRE r mm l SRE Sets and queries the value of the Service Request Enable Register a STB Queries the Status Byte This is a non destructive read a TRG This command performs the same function as the Group Execute Trigger command defined by IEEE 488 1 l TST A full selftest is performed without data logging or looping and returns one of...

Страница 325: ...FUNCtion waveform MODE AM depth SOURce AM source STATe state TYPE AM type CALibration AM AUTO auto calibrate EXECute PEAKing AUTO auto RF peak EXECute PMETer DETector INITiate type of det cal NEXT power correction value Parameter Type Allowed Values numeric 0 to 40 dB extended numeric num freq suffix or MAXimum Minimum discrete SINusoidlSQUare TRIangle RAMP NOISe discrete DEEP NORMal discrete INTe...

Страница 326: ...ction 501 freq correction pairs num of freq correction pairs zorrection source state 4DC averages lower meter address winter address r O device lumber and value Parameter Type1 discrete extended numeric Boolean extended numeric extended numeric extended numeric discrete Boolean extended numeric extended numeric sxtended numeric extended numeric Allowed Values USERlDIODElPMETerlMMHead num lvl suffi...

Страница 327: ...ON OFF l O NAME selftest number extended numeric 0 to 288 POINts number of selftests RESult condition of selftests TINT Splay STATe state Boolean ON OFF l O vl COUPling coupling type discrete ACIDC DEViation peak FM deviation extended numeric num freq suffix or MAXimumlMINimum FILTer HPASs FM AC Bandwidth extended numeric num freq suffix or MAXimumlMINimum INTernal FREQuency FM frequency extended ...

Страница 328: ...offset Boolean extended numeric ONlOFFlllO w wg to 99 999 GHz or MAXimumlMINimum STATe SPAN STARt STEP state freq span start freq Boolean extended numeric extended numeric ONlOFFlllO 0 to MAX MIN or MAXimumlMINimumlUPlDOWN specified freq range or MAXimumlMINimumlUPlDOWN AUTO auto freq step INCRement freq step Boolean extended numeric ONlOFFlllO range or MAXimumjMINimum STOP stop freq extended nume...

Страница 329: ... MAXimum MINimum AOFF DELTa difference between numeric num num 1 to 5 two markers FREQuency marker frequency extended numeric specified freq range or MAXimumlMINimum MODE marker mode discrete FREQuencylDELTa REFerence delta marker ref numeric 1 to 5 STATe state Boolean ON OFF l o MODulation OUTPut SOURce output mod source discrete AM FM STATe output mod state Boolean ON OFF l O STATe state Boolean...

Страница 330: ...ric Boolean extended numeric Boolean extended numeric extended numeric Boolean Boolean extended numeric extended numeric extended numeric extended numeric extended numeric Allowed Values ON OFF lJO ON OFF l O 0 to 90 DB or MAXimum MINimum UP DOWN ON OFF l O specified power range or MAXimum MINimum UPJDOWN specified power range or MAXimum MINimum UP DOWN FIXedlSWEep num level suffix or MAXimum MINi...

Страница 331: ...mum TRIGger SOURce pulse trigger source discrete INTernal EXTernal WIDTh intnl pulse width extended numeric num time suffix or MAXimumlMINimum SLEW pulse modulation extended numeric num time suffix or MAXimumlMINimum AUTO pulse mod rise time Boolean ON OFF l O SOURce pulse mod source discrete INTernaljEXTernallSCALar STATe state Boolean ON OFF l O lOSCillator SOURce ref osc source discrete INTerna...

Страница 332: ...n ONJOFF l O state GENeration type of sweep discrete STEPpedlANALog MANual POINt step point number numeric 1 to the number of step points RELative percent of sweep extended numeric 0 to 100 MARKer STATe state Boolean ON OFF l O XFER Ml start MZ stop MODE manual sweep discrete AUTOlMANual mode switch POINts points in step sweep numeric num MAXimum MINimum STEP step size extended numeric function of...

Страница 333: ...SELect discrete AUTO Boolean PRESet EXEC SAVE TYPE areset mode discrete SECurity COUnt nemory clear numeric STATe itate Boolean VERSion TRIGger IMMediate ODELay mtput delay SOURce rig source TSWeep equivalent of ABORt INITiate IMMediate extended numeric discrete Allowed Values to 8IMAXimumlMINimum N OFF l O to 30 I to 511 1 to 14 excluding 5 and 10 to 14lALL AVE AVE CPI CIIL COMPatible RONtlREARIN...

Страница 334: ...of the internal AM source After RST the value is 1 kHz lAM INTernal FUNCtionSINusoidlSQUarelTRIanglelRAMPlNOISe l AM INTernal FUNCtion Sets and queries the waveform of the internal AM source After RST the value is SINusoid l AM SOURce INTernallEXTernal l AM SOURce Sets and queries the source of the AM modulating signal After RST the value is EXTernal l AM MODE DEEPlNORMal a AM MODE Controls the AM...

Страница 335: ...tion of the internal detector logger breakpoints and offsets Initiates a calibration of an external detector s logger breakpoints and offsets l CALibration PMETer DETector NEXT num lvlsuffix The parameter is the measured power that is currently produced by the swept signal generator You must supply this parameter after measuring the power using an external power meter The query response is issued ...

Страница 336: ...FFlllO l CALibration SPAN AUTO Sets and queries the automatic sweep span calibration ON OFF A calibration is done whenever the sweep span is changed A calibration is done only when CALibrat ion SPAN EXECut el is sent After RST the setting is OFF l CALibrat ion SPAN EXECut el Causes a sweep span calibration l CALibration TRACk Causes an automatic tracking calibration procedure l CORRection ARRay i ...

Страница 337: ...equency correction pairs entered using the CORR FLAT command After RST the value is 2 l CORRection STATe ONlOFFlllO l CORRection STATe Sets and queries the switch on the users ALC correction system The RST value is OFF l DIAGnostics ABUS num Reads the analog bus node number and returns the number of millivolts l DIAGnostics ABUS AVERage num l DIAGnostics ABUS AVERage Sets and queries the number of...

Страница 338: ...fault value is set at memory initialization only l DIAGnostics IORW num num Performs a write to the I O Device number specified in the first num and sets it to the value in the second num l DIAGnostics IORW mm Reads from the specified I O device number and returns the response data l DIAGnostics OUTPut FAULt Returns a string of 16 1s and OS that are equivalent to the fault display Bit 0 PEAK Bit 1...

Страница 339: ...for raw data examination Does nothing in other conditions l DIAGnostics TEST DATA DESC Returns the description string of the raw data examined during a selftest It returns in other conditions l DIAGnostics TEST DATA MAXimum Returns the upper test limit for the raw data point examined Returns 0 in other conditions l DIAGnostics TEST DATA MINimum Returns the lower test limit for the raw data point e...

Страница 340: ...LOOP ONlOFFlllO l DIAGnostics TEST LOOP Selects and queries the test looping ON OFF switch Both commands are executable in selftest mode After RST the setting is 0 l DIAGnostics TEST NAME nun01 Queries the name of a selftest by number If the number is not specified then an array of all the selftest names is returned l DIAGnostics TEST POINts Returns the number of points of selftest that is output ...

Страница 341: ...position to 20 Hz After RST the value is 100 kHz l FM INTernal FREQuency num freq suffix 1MAXimumlMINimum l FM INTernal FREQuency MAXimumlMINimuml Sets and queries the frequency in Hz of the internal FM source After RST the value is 1 MHz lFM INTernal FUNCtionSINusoidlSQUarelTRIaglelRAMPlNOISe l FM INTernal FUNCt ion Sets and queries the waveform of the internal FM source After RST the value is SI...

Страница 342: ...ses bumping to move unspecified frequency parameters but if the final value of any of the frequency headers is the result of bumping then an error is generated since the user is not getting what was specified This means to guarantee sequence independence requires sending the frequency pairs in a single message Example 1 present state start 5 GHz stop 6 GHz FREQ STARt 20 GHZ an error results since ...

Страница 343: ...WEeplLIST l FREQuency MODE Sets and queries the switch that selects either swept CW or list operation RST value is CW l FREQuency MULTiplier num lMAXimumlMINimum l FREQuency MULTiplier MAXimumlMINimuml Sets and queries the frequency multiplier The numeric value is rounded to the nearest integer This function changes mapping of frequency parameters on input to and output from the swept signal gener...

Страница 344: ...MINimuml Sets and queries the START Frequency See FREQ CENTER for more information RST setting is MIN l FREQuency STEP AUTO ONlOFFlllO l FREQuency STEP AUTO Sets and queries the function switch that controls the calculation of the frequency step size FREQ STEP INCR If the response is AUTO ON then the swept signal generator selects a step size that is coupled to the frequency span The RST setting i...

Страница 345: ...00 P S MIN l LIST DWELl POINts MAXimumlMINimum Returns the number of dwells entered using the LIST DWELl command After RST returns a 1 l LIST FREQuency num freq suffix lMAXimumlMINimum l 8Ol l LIST FREQuency Sets and queries a list of frequencies that the swept signal generator phase locks to in the sequence entered when the list mode is selected RST value is the MAX MIN 2 l LIST FREQuency POINts ...

Страница 346: ...is not allowed to change during the list execution The number of parameters can be from 1 to 801 After RST the value is 0 l LIST POWer CORRection POINts MAXimumlMINimum Returns the number of correction points that have been entered into the list array After RST returns a 1 l LIST TRIGger SOURce IMMediatelBUSIEXTernal l LIST TRIGger SOURce Sets and queries the list point to point trigger source whe...

Страница 347: ... limits The value is specified with respect to the reference marker MARKer n REFerencel The RST values are the same as the FREQ CENTcommand RST value l MARKer n MODE FREQuency 1 DELTa l MARKer nl MODE Sets and queries the mode of the specified marker Setting one marker to delta turns all other marker modes to frequency If n is not specified the default is one RST value is FREQuency l MARKer n REFe...

Страница 348: ... suffix any level suffix is accepted also In the absence of a suffix the units are assumed to be as set by the UNIT POW command l POWer ALC BANDwidthl BWIDth num freq suffixllMAXimumlMINimum l POWer ALC BANDwidth I BWIDth CMAXimumlMINimuml Sets and queries the ALC bandwidth This is actually not continuously variable so the input is rounded to the nearest possible switch position RST setting is aut...

Страница 349: ...mplifier state Programming a specific value for POWer AMPLif ier STATE sets POWer AMPLif ier STATE AUTO to OFF RST value is ON l POWer ATTenuation num DB lMAXimumlMINimumlUPlDOWN l POWer ATTenuation MAXimumlMINimuml Sets and queries the output attenuation level Note that when setting the attenuator level to 10 dB the output power is decreased by 10 dB Programming a specified attenuation sets POWer...

Страница 350: ...xed power mode then the output is controlled by the POW C LEVEL command The RST value isFIXed l POWer OFFSet num DB lMAXimumlMINimumlUPlDOWN l POWer OFFSet MAXimumlMINimum Sets and queries the power offset This function changes mapping of absolute power parameters on input to and output from the swept signal generator Changing this does not affect the output power of the swept signal generator Onl...

Страница 351: ...nd the start frequency STEP The RST value is 0 l POWer SLOPe STATe ONlOFFlllO l POWer SLOPe STATe Sets and queries the power slope state RST value is 0 l POWer SPAN num DB MAXimumlMINimumlUPlDOWN l POWer SPAN MAXimum I MINimum The coupling equations for power sweep are exactly analogous to those for frequency sweep Power sweep is allowed to be negative unlike frequency sweeps RST value is 0 l POWe...

Страница 352: ...e is 0 dBm l PULM EXTernal DELay num time suffix lMAXimumlMINimum l PULM EXTernal DELay MAXimumIMINimum Sets and queries the value of pulse delay from the time the external pulse signal arrives to when the video pulse is generated The minimum value is 225 ns After RST the value is MINimum l PULM EXTernal POLarityNORMalIINVerted a PULM EXTernal POLarity Selects the polarity of the external pulse si...

Страница 353: ...cy or PERiod command are sent in the same message they must be accepted without error if the resulting pulse is possible l PULSe FREQuency num freq suffix 1MAXimumlMINimum l PULSe FREQuency MAXimumlMINimum Sets and queries the frequency of the internal pulse generator The resolution of the frequency is such that the resulting period is set to a resolution of 1 ps The RST value is 500 kHz l PULSe P...

Страница 354: ...determined l ROSCillator SOURce AUTO ONlOFFlllO l ROSCillator SOURce AUTO Sets and queries the automatic reference selection switch The RST value is 1 l STATus OPERation CONDition Queries the Standard Operation Condition register l STATus OPERation ENABle num l STATus OPERation ENABle Sets and queries the Standard Operation Enable register TheSTATus PRESet value is 0 l STATus OPERation EVENt Queri...

Страница 355: ...ta Questionable SRQ Enable register TheSTATus PRESet value is 0 l STATus QUEStionable EVENt Queries the Data Questionable Event Register This is a destructive read l STATus QUEStionable NTRansition rum l STATus QUEStionable NTRansition Sets and queries the Negative TRansition Filter for the Data Questionable Status Register The STATUS PRESet value is 0 l STATus QUEStionable PTRansition Cnum l STAT...

Страница 356: ... OFF Normal source mode ON Use master slave source mode RST value is OFF l SWEep CONTrol TYPE MASTerlSLAVe a SWEep CONTrol TYPE Sets and queries the swept signal generator whether it is in master or slave mode This applies in a dual source mode RST value is MASTer l SWEep DWELl num time suffix 1MAXimumlMINimum l SWEep DWELl MAXimum 1 MINimumI Sets and queries the amount of time in seconds that the...

Страница 357: ...AN ignored AUTO ignored MAN ignored ignored AUTO ignored MAN SWE GEN ignored ANAL ANAL STEP STEP ANAL ANAL STEP STEP ANAL ANAL STEP STEP ignored ignored l SWEep GENeration STEPpedlANALog l SWEep GENeration Sets and queries the type of sweep to be generated an analog sweep or a digitally stepped sweep In either case all of the other sweep subsystem functions apply RST is ANALog l SWEep MANual POINt...

Страница 358: ...x POINTS if both of these parameters are changed in the same message RST value is 11 l SWEep STEP num freq suffix 1MAXimumlMINimum 7 l SWEep STEP MAXimum I MINimum Sets and queries the size of each frequency step STEP is governed by the equation STEP SPAN POINTS If you change step size then the number of points will be changed to span step and a Parameter Bumped execution error is reported If span...

Страница 359: ...mlMINimum Sets and queries the lower sweep time limit This value specifies the fastest sweep time that you wants the swept signal generator to allow either on input or when calculated internally when in AUTO ON mode This value must be greater than 10 ms RST value is 10 ms l SWEep TRIGger SOURce IMMediatelBUSlEXTernal l SWEep TRIGger SOURce Sets and queries the stepped sweep point to point trigger ...

Страница 360: ...nector is selected Programming a specific state via SYSTem MMHead SELect sets SYSTem MMHead SELect AUTO to OFF RST value is 1 l SYSTem MMHead SELect FRONtlREARlNONE a SYSTem MMHead SELect Sets and queries the active millimeter source module interface Programming a specific state FRONt REAR NONE sets SYSTem MMHead SELect AUTO to OFF Programming a specific state will cause the instrument to examine ...

Страница 361: ...ent state and all save recall registers are destroyed l SYSTem VERSion This query returns a formatted numeric value corresponding to the SCPI version number to which the swept signal generator complies The response has the form YYYY V where the Ys represent the year version i e 1990 and the V represents an approved revision number for that year This is a query only and therefore does not have an a...

Страница 362: ... is a convenience command that does the equivalent of ABORt INITiate IMMediate l UNIT AM DBIPCT l UNIT AM Sets and queries the default units for AM depth The RST value is PCT l UNIT POWer lvlsuffixl l UNIT POWer Sets and queries the default power subsystem units RST value is DBM Operating and Programming Reference S 55 ...

Страница 363: ...NF N 2 w z P w D I oa 0 i B 6 7 On s5 n 20 a g 9 i T2 ...

Страница 364: ...n ENABLE REGISTER STAT OPER ENAB urn STAT 9 OPERotlon Enable DATA QUESTIONABLE STATUS GROUP CONDlTlON REGISTER STAT OUES COW NEGATNE TRANSlTlON F I L T E R STAT O ES NTR num STAT OUES NTW POSITIVE TRANSITION FILTER STAT O E PTR num STATGUES PTR ENABLE REGISTER STAT WE ENAB In STATOUES ENAW EVENT REGISTER STAT WE5 PWCNTI 7 NOTE STAT PRES THIS COMMAND PRESETS THE FOLLOWING ENABLE AND TRANSITION REGI...

Страница 365: ...ll accessible frequency information The features listed above together with the softkeys Freq Offset and Freq Mult provide the swept signal generator with security controls for a variety of situations The local lockout LLO programming command adds security when the swept signal generator is used in an ATE environment A security calibration constant that can be accessed through the service adjustme...

Страница 366: ... Description Programming Codes See Also POWER This softkey lets you set the attenuator separately from the rest of the ALC system When an entry is made using this key the attenuator is automatically uncoupled from the ALC system so that the POWER LEVEL key controls the ALC system apart from the attenuator SCPI POWer ATTenuation num DB or MAXimum MINimum UP DOWN Analyzer SHLS num DB DM IALC POWER L...

Страница 367: ... sweep Press Ki a second time to start the sweep The amber LED above the hardkey is lit when the function is on SCPI 1NITiate CONTinuous OFF 0 ABORt INITiate IMMediate Analyzer S2 CONT Continuous Single and Manual Sweep Operation in Chapter 1 Programming Typical Measurements in Chapter 1 Software Rev Function Group SYSTEM Menu Map 8 Description This softkey displays the swept signal generator s pr...

Страница 368: ...quency span in the center frequency frequency span mode of swept frequency operation Press m and use the entry area to enter the desired value The swept signal generator sweeps from one half the span below to one half above the center frequency Certain center frequency and frequency span combinations cause the swept signal generator to limit the value entered In general any combination that causes...

Страница 369: ...n Group Menu Map Description Programming Codes See Also MARKER 3 This softkey changes the swept signal generator start frequency to the frequency value of marker 1 and the stop frequency to the frequency value of marker 2 The swept signal generator has been reset to these start stop values unlike the softkey Ml M2 Sweep that changes the start stop values only while active SCPI SWEep FREQuency MARK...

Страница 370: ...cates that this feature is active Programming Codes SCPI TRIGger SOURce IMMediate Analyzer T 1 See Also I I 1 Sweep Menu Start Sweep Trigger 3us Function Group Menu Map Description Programming Codes See Also SWEEP 7 When this softkey is selected the swept signal generator waits for an HP IB trigger to trigger a sweep An asterisk next to the key label indicates that this feature is active SCPI TRIG...

Страница 371: ... Map Description FREQUENCY 2 This softkey lets you designate the swept signal generator as the master control in a dual swept signal generator measurement system A dual swept signal generator system two tone measurement system facilitates accurate device characterizations by providing one timebase reference for both sources This technique reduces instabilities from temperature or line voltage fluc...

Страница 372: ...ept signal generator 9 Activate the master mode on the master swept signal generator By connecting the master s 10 MHz reference standard to the slave s 10 MHz reference input the master swept signal generator s timebase supplies the frequency reference for both swept signal generators In step sweep measurements if the master swept signal generator is not connected to an external controller it mus...

Страница 373: ... on the slave the same as on the master swept signal generator If the master swept signal generator is connected to a network analyzer the analyzer automatically sets the master swept signal generator s step size to match the number of points displayed on the analyzer Since the slave swept signal generator is not connected to the analyzer set the slave to match the master swept signal generator Al...

Страница 374: ...See Also FREQUENCY 2 This softkey lets you set dwell times for points in the stepped frequency mode of sweep operation The dwell time for points in step frequency sweep may range from 100 ps to 3 2 s The actual time between points is the sum of dwell and phase lock times Select Step Dwell then use the entry area to enter the desired value SCPI SWEep FREQuency DWELl num time suffix or MAXimum MINim...

Страница 375: ...ing Step Sweep in Chapter 1 Step Size Function Group FREQUENCY Menu Map 2 Description This softkey lets you specify the step size in a stepped frequency sweep The range of increment size is dependent on frequency span and the number of step points desired as given by the formula STEP SIZE SPAN STEP POINTS Step Size and Step Points are dependent variables as shown by the formula If a particular ste...

Страница 376: ...ator measurement setup Causes the swept signal generator to act as the slave in a dual swept signal generator measurement setup Sets the dwell time for points in stepped sweep Sets the number of points in a stepped sweep Sets the increment value for the points in a stepped sweep Automatically steps the swept signal generator to the next point in a stepped sweep Steps the swept signal generator to ...

Страница 377: ...Step Using Step Sweep in Chapter 1 Step Swp Pt Trig Bus Function Group Menu Map Description Programming Codes See Also FREQUENCY 2 When this softkey is selected the swept signal generator steps to the next point in a stepped frequency sweep when an HP IB trigger TRG GET is received leading edge TTL When the last frequency point is reached and continuous sweep is selected the next trigger causes th...

Страница 378: ...ndicates that this feature is active Programming Codes SCPI SWEep TRIGger SOURce EXT Analyzer TS See Also Step Sup Menu Sweep Mode Step Using Step Sweep in Chapter 1 STOP Function Group Menu Map Description Programming Codes FREQUENCY NONE This hardkey activates swept frequency mode and makes the stop frequency parameter the active function The start stop frequency must be separated by at least 2 ...

Страница 379: ...requency and or power can be changed manually with the rotary knob or the arrow keys Automatically triggers a sweep when SINGLE or CONT is pressed Waits for an HP IB trigger to trigger a sweep when SINGLE or CONT is pressed Waits for an external hardware trigger to trigger a sweep when SINGLE or CONT is p r e s s e d Activates the list frequency sweep mode Activates the analog frequency sweep mode...

Страница 380: ...he step frequency list mode To use this type of sweep a frequency list must have been entered otherwise an error message appears In this mode the swept signal generator steps only those frequencies defined by the frequency list An asterisk next to the key label indicates that this feature is active SCPI FREQuency MODE LIST Analyzer SN CONNECTORS List Menu Creating and Using a Frequency List in Cha...

Страница 381: ...in Chapter 1 Sweep Mode Step Function Group SWEEP Menu Map 7 Description This softkey activates the stepped frequency step mode In this mode the swept signal generator steps from the start frequency to the stop frequency by the designated frequency step size Manual continuous and single sweeps can be performed in this mode An asterisk next to the key label indicates that this feature is active Pro...

Страница 382: ... SCPI CALibration SPAN AUTO ON OFF l O Analyzer NONE Freq Cal Menu Using Frequency Calibration Swp Span Cal Once Function Group Menu Map Description Programming Codes See Also USER CAL 9 This softkey activates sweep span calibration immediately and performs it only once An asterisk next to the key label indicates this feature is active SCPI CALibration SPAN EXECute Analyzer NONE Freq Cal Menu Usin...

Страница 383: ...to set the sweep time to automatic The swept signal generator calculates the fastest possible calibrated sweep time for any sweep span Whenever you press SWEEP the active entry area displays the current sweep time and whether the sweep time is coupled to the frequency span far right hand side displays AUTO If the word AUTO is not displayed then the sweep time auto function is off SCPI SWEep FREQue...

Страница 384: ... Factory Preset Mode User Ref Osc Menu Save User Preset Security Menu Causes the swept signal generator to alternate on successive sweeps between the present instrument state and a second instrument state stored in an internal register Dims the swept signal generator s display Displays the present status of the swept signal generator Reveals the HP IB control menu Sets the preset state as defined ...

Страница 385: ...ey Clear Activates the USER DEFINED MENU and lets you delete a single key within that menu UsrMenu Clear Activates the USER DEFINED MENU and clears all keys in that menu Programming Codes SCPI NONE Analyzer NONE See Also Softkeys listed above CONNECTORS USER DEFINED MENU S 78 Operating and Programming Reference ...

Страница 386: ...it is chosen as the reference If no external standard is connected the internal standard is chosen as the reference If the internal standard has been disconnected also the swept signal generator operates in a free run state An asterisk next to the key label indicates that this feature is active Programming Codes SCPI ROSCillator SOURce AUTO ON OFF l O Analyzer NONE See Also Ref Osc Menu Operating ...

Страница 387: ...icates that this feature is active Programming Codes SCPI ROSCillator SOURce EXTernal Analyzer NONE See Also Ref Osc Menu 10 MHz Freq Std Intrnl Function Group Menu Map Description Programming Codes See Also SYSTEM 8 This softkey sets the swept signal generator to select the internal 10 MHz signal as the frequency reference If the internal signal is disconnected or not working properly UNLOCK appe...

Страница 388: ...ere are two occurrences of this softkey One occurs in the POWER MENU the other occurs in the USER CAL MENU Both softkeys operate the same way These softkeys access the tracking menu Auto Track Realigns the swept signal generator s output filter and oscillator to maximize output power for the swept frequency mode Peak RF Always Periodically realigns the swept signal generator s output filter and os...

Страница 389: ...u specify the amount of time after phase lock before a trigger pulse is sent out of the TRIGGER OUTPUT BNC The delay can be set from 0 to 3 2 seconds An asterisk next to the key label indicates this feature is active Programming Codes SCPI TRIGger ODELay num time suffix Analyzer NONE See Also Start Sweep Trigger Auto Start Sweep Trigger BUS Start Sweep Trigger Ext T 4 Operating and Programming Ref...

Страница 390: ...FF l O Analyzer SHPS num DBIDM to set the ALC SHSL num DBIDM to attenuator PL causes the attenuator couple to the ALC ALC POWER LEVEL Set Atten Working with Mixers Reverse Power Effects in Chapter 1 Unlock Info Function Group Menu Map Description Programming Codes See Also SERVICE 6 This softkey causes the swept signal generator to display lock unlocked status of all the phase lock loops An asteri...

Страница 391: ...escription This softkey lets you set the frequency step size for the CW frequency mode The step size may be set from 1 Hz to 10 GHz The factory preset size is 100 MHz CW frequency is incremented decremented by pressing the up down arrow keys If an underline cursor appears under a digit in the entry display then the value will be modified by the up down arrow keys or the rotary knob The increment d...

Страница 392: ...e values are entered using the entry area If an underline cursor appears under a digit in the entry display then the value will be modified by the up down arrow keys or the rotary knob The increment decrement size in this case is the underlined digit by the power of 10 If the up down function is on asterisk next to key label and the cursor is not under one of the active entry area digits then freq...

Страница 393: ...es the softkeys of the tracking menu AM Cal Menu Freq Cal Menu Accesses the AM calibration menu Accesses the Frequency span calibration menu Ext Det Cal Uses an external power meter to calibrate an external detector s output voltage relative to power Programming Codes NONE See Also Softkeys listed above Optimizing Swept Signal Generator Performance in Chapter 1 U 4 Operating and Programming Refere...

Страница 394: ...you assign keys to it Three sections 12 key assignment locations of menu are available for key assignment Any softkey can be assigned to any of the 12 positions A softkey assigned to the user defined menu performs as if it is in its home menu Pressing the iGG7 key does not erase the contents of this menu Programming Codes SCPI NONE Analyzer NONE See Also m Ix UsrKey Clear UsrMenu Clear Operating a...

Страница 395: ... active entry area turns off and the softkey is removed from the user defined menu The user defined menu remains in the softkey label area Programming Codes SCPI NONE Analyzer NONE See Also ASSIGN USER DEFINED K UsrMenu Clear UsrMenu Clear Function Group Menu Map Description Programming Codes See Also SYSTEM 8 This softkey recalls the user defined menu and removes all softkeys assigned to that men...

Страница 396: ... FM The default is sine wave There are two waveform menus The waveform menu in the AM menu sets the waveform for amplitude modulation only The waveform menu in the FM menu sets the waveform for frequency modulation only Programming Codes SCPI NONE see the individual softkeys listed Analyzer NONE See Also LMOD also see AM FM and Modulation Operating and Programming Reference W l ...

Страница 397: ... SYSTem SECurity STATe ON Analyzer NONE Security Menu Zoom Function Group Menu Map Description Programming Codes See Also FREQUENCY 2 This softkey activates the CF Span sweep mode zoom In this mode span is controlled by the up down arrow keys Center frequency is controlled by the rotary knob or the numeric entry keys The left and right arrows control the resolution with which the center frequency ...

Страница 398: ... when the save recall registers have been disabled by the save lock feature or by a calibration constant ADDR ERROR EXCEPTION This can only be caused by an internal processor error Refer to Chapter 4 for instructions on contacting a qualified service technician Auto Track Failed Cal Not Updated Occurs when auto track has been initiated and for some reason has failed Refer to Chapter 4 and follow t...

Страница 399: ...e data ERROR CALIBRATION FAILED This error will only occur if the service adjustment menu is accessed Specifically an Al4 sweep ramp calibration has been attempted and failed Run the sweep ramp selftest Refer to the MENU MAPS chapter in the HP 8360 B Series Swept Signal Generator HP 8360 L Series Swept CW Generator Service Guide ERROR Must first enter correction freq This error occurs when a corre...

Страница 400: ...ge syntax error has been encountered Review the program to find the syntax error ILLEGAL INSTRUCTION EXCEPTION This can only be caused by an internal processor error Refer to Chapter 4 for instructions on contacting a qualified service technician INPUT BUFFER EMPTY This can only be caused by an internal processor error Refer to Chapter 4 for instructions on contacting a qualified service technicia...

Страница 401: ...disconnected internal battery can cause this message Refer to Chapter 4 for instructions on contacting a qualified service technician Selftest REQUIRES system interface OFF This error message indicates that the swept signal generator is connected to a network analyzer and can not run selftest Correct by disconnecting the system interface cable from the swept signal generator SPURIOUS INTERRUPT Thi...

Страница 402: ...correctly or the wrong password has been used Qualified service technicians refer to ADJUSTMENTS in the HP 8360 B Series Swept Signal Generator HP 8360 L Series Swept CW Generator Service Guide for more information SCPI Error Messages in Numerical Order Swept Signal Generator 0 No Error This message indicates that the device has no errors Specific SCPI Error and is currently ready to perform the o...

Страница 403: ...Query UNTERMINATED Nothing To Say 410 Query INTERRUPTED Error Messages From 399 To 300 These error messages indicate that some device operations did not properly complete possibly due to an abnormal hardware or firmware condition This type of error sets the Device specific Error bit 3 in the Event Status Register Events that generate Device specific Errors do not generate Command Errors Execution ...

Страница 404: ...Command Error Bit bit 5 in the Event Status Register One of the following events has occurred n A syntax error has been detected Possible errors are a data element that violates the device listening formats or whose type is unacceptable to the instrument w A semantic error has been detected indicating that an unrecognized header was received n A Group Execute Trigger GET was entered into the input...

Страница 405: ...ing parameter 108 Parameter not allowed Too many 105 GET not allowed 104 Data type error 104 Data type error Block not allowed 104 Data type errorChar not allowed 104 Data type error DecimaI not allowed 104 Data type error Non dec not allowed 104 Data type errorString not allowed 103 Invalid separator 2a 8 Error Messages ...

Страница 406: ...2b Menu Maps Menu Maps 2b 1 ...

Страница 407: ...t t m ALC Bandwidth Select Module Sense Low High Auto AUTO Front Rear None ALC MENU ...

Страница 408: ... Coupled 3 3 Module Sense AUTO Front Rear None Enter List Delete more l 3 Start Auto Fill more Global Offset Pt Trig more Freq Offset Dwell Menu stop Pts Incr 213 Dwell Menu 313 I 1 1 I I Step Step Step Dwell more Step Swp Pt Trig more Size Points Dwell Coupled l 3 Auto Bus Ext 313 I I ccc F R E Q U E N C Y M E N U 2 ...

Страница 409: ...r M l M 2 Start Ml more l 3 Marker Morker Marker Center more Delto 2 3 Mkr Ref Delta Markers Amp1 more Ml M2 Sweep stop td2 M3 M4 M5 Marker Marker All Off Markers 3 3 Delta Marker Reference _ _ ___ _ Ml M2 M3 M4 M5 M A R K E R M E N U 3 ...

Страница 410: ...quare Triangle Ramp Noise Internal Pulse Generator Delay more Internal Pulse Mode more Width Rate Period Menu l 2 Auto Gate Trigger 212 I rM E N U S E L E C T I MOD IO ALC J Pulse On Off Pulse more A M O n O f f l 3 lOdB V Deep more 2 3 100kHz F M On Off more Scalar lntrnl Extrnl Menu 100 V A M DC 3 3 Pulse Pulse Width Rate Pulse Period more l 2 Fast Pulse R i s e T i m e more Slow Auto 2 2 Pulse ...

Страница 411: ...Amp more l 3 Menu Offset Menu Sweep 2 3 M e n u 313 I 1 I I 1 I I I I I I Enter Delete Clear more l 3 Start Auto Fill more COPY 2 3 List Freq M t r Meas CorPoir more Freq Corr Menu Point stop Pts lncr Follow Menu Disoble 313 I Delete Measure Corr All Undef Current All Undef Current POWER MENU ...

Страница 412: ...rMENU SELECT 1 Fault Fault Info1 Info2 Fault Info3 Clear Fault S E R V I C E M E N U 6 ...

Страница 413: ...e TrigOut stopswp more Sweep Step List Ramp l 3 Auto Auto Bus Ext Z 3 Delay Menu 3 3 Step Size Step Points Step Dwell Dwell Coupled more l 3 Step Swp Pt Trig more S t e p C o n t r o l 2 3 Master more Auto Bus Ext Slave 313 I 1 I I I 1 S W E E P M E N U 7 ...

Страница 414: ... Regs Disp Status UsrKey Clear more UsrMenu Ref Osc Security Software more Preset Mode Save User Dim more l 3 Clear Menu Menu Rev 2 3 F a c t o r y User Preset Display 313 8360 Adrs Meter Adrs Printer Adrs S Y S T E M M E N U 8 ...

Страница 415: ...rMENU SELECT 1 FullUsr Tracking AM Cal Freq Cal more Ext Det Cal Menu Menu Menu l 2 Cal more 212 U S E R C A L M E N U 9 ...

Страница 416: ...olumn of this table to determine whether any changes apply to your instrument s model number serial prefix number combination 3 If a change is listed check this change to determine if specifications other than those listed in this section apply The changes are included in Chapter 5 Specifications describe warranted instrument performance over the 0 to 55 C temperature range except as noted otherwi...

Страница 417: ... 2 7 GHz to 13 5 GHz 2 3 13 5 GHz to 20 GHz 3 4 20 GHz to 26 5 GHzl 4 5 26 5 GHz to 33 5 GHz 6 6 33 5 GHz to 38 GHz3 6 7 38 GHz to 50 GHz 8 1 This band is 20 GHz to 25 5 GHz on the HP 83640B 2 This band is 25 5 GHz to 32 GHz on the HP 83640B 3 This band is 32 GHz to 40 GHz on the HP 83640B Accuracy Same as time base Switching Time For Steps Within a Frequency Band 15 ms step size l GHz x 5 ms Maxi...

Страница 418: ...Accuracy sweep time 2 100 ms and 5 5 s Sweep Widths 5 n x 10 MHz 0 1 of sweep width f time base accuracy Sweep Widths n x 10 MHz Lesser of 1 of sweep width or n x 1 MHz 0 1 of sweep width Sweep Time 10 ms to 100 seconds 300 MHz ms maximum rate Internal 10 MHz Accuracy Calibration f Aging Rate Temperature Effects f Line Time Base Voltage Effects Stability Aging Rate 5 x 10 day 1 x 10m7 year With Te...

Страница 419: ...imum settable output power is 110 dBm Maximum leveled output power is reduced by 1 5 dB to 20 GHz 2 0 dB above 20 GHz and 2 5 dB above 40 GHz Minimum Settable Standard 20 dBm Option 001 110 dBm Resolution 0 02 dB Switching Time without attenuator change 10 ms typical Temperature Stability 0 01 dB OC typical Typical Maximum Available Power L HP83624EI I 30 25 I HP L X B I 0 01 2 0 13 5 20 25 5 40 5...

Страница 420: ...ess dB Specifications apply in CW step list manual sweep and ramp sweep modes of operation Frequency GHz Power lO dBm 10 dBm5 60 dBm 60 dBm 2 0 f0 9 f0 5 f0 7 fl 1 2 0 and 5 20 2 0 and 40 40 fl O f0 6 f0 8 Ik1 5 f0 8 fl O k 1 7 f1 2 f1 4 Ik2 1 Specification applies over the 15 to 35 C temperature range for output frequencies 50 MHz 5 Specification applies over the 15 to 35 C temperature range and ...

Страница 421: ...External HP 33330D E Detector 36 to 4 dBm At External Leveling Input 200 PV to 0 5 volts Bandwidth External Detector Mode 10 or 100 kHz sweep speed and modulation mode dependent nominal Power Meter Mode 0 7 Hz nominal Source Match internally leveled typical6 20 GHz 1 6 1 SWR 40 GHz 1 l SWR 50 GHz 2 0 1 SWR 6 Typically 2 0 1 SWR at frequencies below 50 MHz 2c 6 Specifications ...

Страница 422: ... Standard 3 0 7 257 3 0 7 3 0 7 3 0 7 Option 006 307 257 3 0 7 3 0 7 3 0 7 1 2 0 and 26 5 GHz Standard 5 0 2 5 5 0 5 0 5 0 Option 006 6 0 6 0 6 0 5 0 5 0 2 26 5 GHz Standard 4 0 4 0 Option 006 4 0 4 0 Subharmonics o u t p u t HP 83620B HP 83623B HP 83630B HP 83640B HP 83650B Frequencies HP 83622B HP 83624B 7GHz None None None None None 27 and 20 GHz 5 0 5 0 5 0 5 0 5 0 20 and 40 GHz 40 GHz 7 Speci...

Страница 423: ...pical HP 636238 Harmonics at 17 dBm 20 I I 100 f I 1 I I I I I I 0 01 2 7 13 5 20 Carrier Frequency GHz Non Harmonically Related Output Frequencies 2 0 GHzg 6 0 2 0 and 20 GHz 6 0 2 20 GHz and 5 26 5 GHz 5 8 26 5 and 5 40 GHz 5 4 40 GHz 5 2 Specification applies at output levels 0 dBm and below 2c 8 Specifications ...

Страница 424: ...to 7 GHz 70 78 86 107 7 GHz to 13 5 GHz 64 72 80 101 13 5 GHz to 20 GHz 60 68 76 97 20 GHz to 26 5 GHz 58 66 74 95 26 5 GHz to 38 GHz 54 62 70 91 38 GHz to 50 GHz 52 60 68 89 60 _ 80 CE u loo 1OOHz IkHz IOkHz IOOkHz IMHz IOMHz O f f s e t F r o m C a r r i e r Residual FM CW Mode or Sweep Widths 2 n x 10 MHz n x 60 Hz typical RMS 50 Hz to 15 kHz Sweep Widths n x 10 MHz n x 15 kHz typical bandwidth...

Страница 425: ...24B 40B 50B Overshoot Ringing Delay Output Frequencies 2 0 GHz Output Frequencies 2 0 GHz Compression Output Frequencies 2 0 GHz Output Frequencies 2 2 0 GHz Standard Option 006 80 dB 80 dB 25 ns 10 ns 1 P 50 ns 50 ns 1 P 50 ns 15 ns 50 ns 50 ns 50 ns 15 ns 10 Hz 10 Hz DC DC DC DC f0 3 f0 5 typical f0 3 kO 5 typical 2 5 2 5 0 2 1 15 typical 1 1 lo typical 80 ns typical 80 ns typical 80 ns typical ...

Страница 426: ...C l e v e l OdBm C a r r i e r s r20GHr 1 OOkH z Rote I I I I I _1 0 20 40 60 A M D e p t h 80 100 l3 Deep mode offers reduced distortion for very deep AM Waveform is DC coupled and feedback leveled at ALC levels above 13 dBm At ALC levels below 13 dBm output is DC controllable but subject to typical sample and hold drift of 0 25 dB second I4 The HP 8360 has two unleveled modes ALC off and search ...

Страница 427: ...on Index deviation rate n x 5 Unlocked Mode Maximum Deviation At rates 5 100 Hz f75 MHz At rates 100 Hz f8 MHz Rates 3 dB bandwidth 500 kHz deviation DC to 8 MHz Sensitivity 100 kHz 1 MHz or 10 MHz volt switchable Accuracy 1 MHz rate 1 MHz deviation 10 Simultaneous Full AM bandwidth and depth is typically available at any pulse Modulations rate or width FM is completely independent of AM and pulse...

Страница 428: ...Hz Resolution 1 Hz Depth deviation Range same as base instrument Resolution 0 1 Accuracy same as base instrument Modes free run gated triggered delayed Period range 300 ns to 400 ms Width Range 25 ns to 400 ms Resolution 25 ns Accuracy 5 ns Video delay Internal sync pulse 0 to 400 ms Externally supplied sync pulse 225 to 400 ms Accuracy rates 5 100 kHz 5 of range Specifications 2c 13 ...

Страница 429: ...nce Reference time base is kept at operating temperature with the instrument connected to AC power Instruments disconnected from AC power for more than 24 hours require 30 days to achieve time base aging specification Instruments disconnected from AC power for less than 24 hours require 24 hours to achieve time base aging specification 48 to 66 Hz 115 volts lO 25 or 230 volts lO 15 400 VA maximum ...

Страница 430: ... the RF pulse by nominally 80 ns is output at this connector Nominal input impedance 50 ohms damage level 5 5 0 5 volts See modulation specifications BNC female front panel AM Input Nominal input impedance 50 ohms internally switchable to 2 kn damage level f15 volts See modulation specifications BNC female front panel FM Input Nominal input impedance 50 ohms internally switchable to 600 ohms damag...

Страница 431: ...s Output Supplies positive rectangular pulse Approximately 5 volts into 2 kQ during the retrace and bandswitch points of the RF output Also supplies a negative pulse 5 volts when the RF is at a marker frequency intensity markers only BNC female rear panel Volts GHz Output Supplies voltage proportional to output frequency at 0 5 volts GHz internally switchable to 0 25 or 1 volt GHz Maximum output 1...

Страница 432: ...ator With this option minimum settable output power is 110 dBm Maximum leveled output power is lowered by 1 5 dB to 20 GHz and 2 dB above 20 GHz and 2 5 dB above 40 GHz Option 002 Add Internal Modulation Generator Adds a digitally synthesized internal modulation waveform source on a card to the HP 8360 It provides signals that would otherwise be supplied to the external modulation inputs Option 00...

Страница 433: ...60 without front handles Option 910 Extra Operating Service Guides Provides a second copy of operating and service guides Option 013 Rack Flange Kit Used to rack mount HP 8360 with front handles Front handles are standard on the HP 8360 Option W30 Two Years Additional Return To HP Service Does not include biennial calibration 2c 18 Specifications ...

Страница 434: ...lectrically The contents of the shipment should agree with the items noted on the packing slip Procedures for checking the basic operation of the swept signal generator are in Chapter 4 Operator s Check and Routine Maintenance You will find procedures for checking electrical performance in the Performance Tests chapter of your HP 8360 B Series Swept Signal Generator HP 8360 L Series Swept CW Gener...

Страница 435: ...e N F to 3 5 nun F 1250 1745 3 5 mm F to 3 5 nun F 5061 5311 HP 83640B HP 8 3 6 5 0 B 2 4 mm F to K F 1250 2187 2 4 mm F to 2 4 mm F 1250 2188 Options Available There are several options available on the HP 8360 B Series swept signal generators For descriptive information on all of the options available refer to Chapter 25 Specifications For installation information on the rack mounting kits refer...

Страница 436: ...ch the swept signal generator to the ac line voltage available at the site of installation Both the line selector and fuse were selected at the factory to match the ac line voltage expected to be found at the shipping destination Verify that the voltage selector has been set to the correct line voltage before connecting power to the swept signal generator For continued protection against fire haza...

Страница 437: ...ruption is prohibited Always use the three prong ac power cord supplied with this instrument Failure to ensure adequate earth grounding by not using this cord may cause instrument damage The offset prong of the three prong connector is the grounding pin The protective grounding feature is preserved when operating the swept signal generator from a two contact outlet by using a three prong to a two ...

Страница 438: ...ates 8120 1398 9 0 80 Black Canada Japan 8 1 2 0 1 7 5 4 Straight NEMA5 15P 36 Black IOOV o r 2OOV 8120 1378 Straight NEMA5 15P a0 Jade Gray Mexico Philippines 8120 1521 90 80 Jade Gray Taiwan 8 1 2 0 1 6 7 6 Straight NEMA5 I 5P 36 Jade Gray 8 1 2 0 2 1 0 4 Straight SEVI 01 1 1959 79 Gray Switzerland 24507 Type 12 250V 8 1 2 0 0 6 9 8 Straight NEMAG 15P United States Canada d 0 hi 22ov 8 1 2 0 1 9...

Страница 439: ... asterisk indicates the selected language 4 Select the desired softkey Remember If the swept signal generator displays Rear panel HP IB language must be 7 111 in order to change current language XxX the address on the rear panel HP IB switch Figure 3 2 is set to something other than 7 all 1s Note If the swept signal generator does not have Option 700 and you select Power Up Language CIIL the instr...

Страница 440: ... the address menu provides access not only to the swept signal generator s HP IB address but also to the address at which the swept signal generator expects to see a power meter and the address at which the swept signal generator expects to see a printer See Table 3 3 for factory set addresses Table 3 3 Factory Set HP IB Addresses Instrument HP IB Address Decimal 1 yPz Generator 1 i Installation 3...

Страница 441: ... HP IB switch Figure 3 2 to any address other than 31 all 1s How to Set the HP IB Address on a Swept Signal Generator without a Front Panel If your swept signal generator does not have a front panel set the address on the rear panel HP IB switch Figure 3 2 to the address you want factory default is 19 Mating Connectors All of the externally mounted connectors on the instrument are discussed in CON...

Страница 442: ...ltitude The swept signal generator may be operated at pressure altitudes up to 4572 meters approximately 15 000 feet Cooling The swept signal generator obtains all cooling airflow by forced ventilation from the fan mounted on the rear panel Information on cleaning the fan filter is located in Routine Maintenance in Chapter 4 CAUTION Ensure that all airflow passages at the rear and sides of the swe...

Страница 443: ...ide Assembly 8 Screws Outer Slide Assembly 8 Nuts Outer Slide Assembly Slide Adapter Kit NON HP includes the following parts 4 Adapter Brackets 4 Adapter Bar 8 Screws Bracket to Bar 8 Nuts Bracket to Slide Assembly CAUTION Ventilation Requirements When installing the instrument in a cabinet the convection into and out of the instrument must not be restricted The ambient temperature outside the cab...

Страница 444: ...2 Remove four screws per side 3 Using the screws p rovided attach the rack mount flanges to the outside of the handles 4 Remove the side straps and end caps 5 Remove the bottom and back feet and the tilt stands Figure 3 3 Removing the Side Straps and Feet Installation 3 11 ...

Страница 445: ...th the appropriate hardware install the outer slide assemblies to the system enclosure 9 Lift the swept signal generator into position Align the inner and outer slide assemblies and slide the instrument into the rack Realign the hardware as needed for smooth operation MOUNTING HARDWARE FOR HP SYSTEMS ENCLOSURES MOUNTING HARDWARE FOR NON HP SYSTEMS ENCLOSURES Figure 3 4 Chassis Slide Kit 3 12 Insta...

Страница 446: ...ignal Generators with Handles Removed Contents 1 Quantity Description I 2 I IRack Mount Flanges 8 Screws CAUTION Ventilation Requirements When installing the instrument in a cabinet the convection into and out of the instrument must not be restricted The ambient temperature outside the cabinet must be less than the maximum operating temperature of the instrument by 4 C for every 100 watts dissipat...

Страница 447: ...the handles to the instrument remove the handles 3 Using the screws provided attach the rack mount flanges to the swept signal generator 4 Remove the bottom and back feet and the tilt stands before rack mounting the instrument Figure 3 5 Rack Mount Flanges for Swept Signal Generators with Handles Removed 3 14 Installation ...

Страница 448: ...ignal Generators with Handles Attached Contents 1 Quantity 1 Description I 2 I IRack Mount Flanges 8 Screws CAUTION Ventilation Requirements When installing the instrument in a cabinet the convection into and out of the instrument must not be restricted The ambient temperature outside the cabinet must be less than the maximum operating temperature of the instrument by 4 C for every 100 watts dissi...

Страница 449: ...ch the handles to the instrument 3 Using the longer screws provided attach the rack mount flanges to the outside of the handles 4 Remove the bottom and back feet and the tilt stands before rack mounting the instrument b d Figure 3 6 Rack Mount Flanges for Swept Signal Generators with Handles Attached 3 16 Installation ...

Страница 450: ... within the following limits Temperature 40 o to 75 C Humidity 5 to 95 relative at 0 to 40 C Altitude Up to 15240 meters Pressure approximately 50 000 feet The swept signal generator should be protected from sudden temperature fluctuations that can cause condensation Installation 3 17 ...

Страница 451: ... fan 2 Use the original packaging materials or a strong shipping container that is made of double walled corrugated cardboard with 159 kg 350 lb bursting strength The carton must be both large enough and strong enough to accommodate the swept signal generator and allow at least 3 to 4 inches on all sides of the swept signal generator for packing material 3 Surround the instrument with at least 3 t...

Страница 452: ... Series signal generator based systems Both manual and remote operational differences are addressed Systems Manual operation topics are n functional compatibility w front panel operation n conditions upon instrument preset n connections to other instruments Remote operation topics are n language compatibility n status structure n programming languages Installation 3 19 ...

Страница 453: ... the HP 8340 8341 The HP 8360 B Series also allows you to define a different set of preset conditions Refer to Changing the Preset Parameters in Chapter 1 for examples and more information Table 3 7 illustrates the factory instrument preset conditions for the HP 8360 B Series and the HP 8340 8341 An instrument preset turns off all the functions and then sets the following Table 3 7 Instrument Pres...

Страница 454: ...T n STOP SWEEP IN OUT n HP IB INTERFACE n AUXILIARY INTERFACE The dedicated HP 8510 versions of the HP 8360 HP 83621B HP 83631B may be configured to power up to one of two possible system languages network analyzer language or SCPI Standard Commands for Programmable Instruments This configuration is controlled via a switch located on the rear panel of the instrument The factory default setting for...

Страница 455: ... the general purpose HP 8360 B Series to HP IB address 19 and network analyzer language for operation with the analyzer For information on selecting the instrument address and language refer to earlier paragraphs in this chapter The dedicated HP 8510 versions HP 83621B HP 83631B of the HP 8360 B Series cannot be used with the HP 8757C E The HP 83550 Series Millimeter wave Source Modules Refer to L...

Страница 456: ... codes formats protocols and common commands for use with IEEE 488 1 1987 that were unavailable in the previous standard SCPI provides commands that are common from one Hewlett Packard product to another for like functions thereby eliminating device specific commands Refer to Getting Started Programming in Chapter 1 for information on SCPI Control Interface Intermediate Language CIIL is the instru...

Страница 457: ...n bold type Table 3 8 Numeric Suffixes suffiv Network Analyzer Type Language SCPI Frequency HZlKZlMZlGZ HZjKHZlMHZlGHZ Power Level DB DBMlWjMWlUW Power Ratio DB DB I Time SClMS SlMSlUSlNSlPS Status Bytes There are two separate and distinct status structures within the HP 8360 B Series depending on the HP IB language selected When network analyzer language is selected the status structure utilized ...

Страница 458: ...CW num freq suffix MODE C W Set start frequency FA num freq suffix FREQ STAR num freqsuffix MODE SWE Set stop frequency FB num freq suffix FREQ STOP num freqsuffix MODE SWE Set center frequency CF num freq suffix FREQ CENT num freqsuffix MODE SWE Set frequency span DF num freq suffix FREQ SPAN num freq suffix MODE SWE Set swept mode step size Set CW mode step size Enable frequency offset function ...

Страница 459: ...tput fault information 3utput identity 3utput last lock frequency 3utput interrogated value 3utput power level Network Analyzer Language OS RM num RE num cs OL OM BC DU FP EK IF 1L KR NA DA 3B 3C 3D 3F 31 3K 3P 3R SCPI Language STB See SCPI common commands SRE See SCPI common commands ESE See SCPI common commands cLs See SCPI common commands LRN See SCPI common commands DISP ONIOFF SYST KEY 132 en...

Страница 460: ... delta marker Move marker to center frequency Turn off all markers Turn on amplitude markers Turn off amplitude markers Network Analyzer Language RB RE num RM num RS SN num S W l O TI num TL num time suffix TS IP LOCAL 7XX Mn num freq suffix MnMO MPl MPO SHMP MD1 MD0 MC SHMO AK1 AK0 SCPI Language SRE num SRE ESE num ESE ABOR SWE POIN num DIAG TINT num SWE TIME LLIM num time suffix TSW WAI SYST PRE...

Страница 461: ... attenuator Set power step size Activate power slope function Do auto track Continuously peak RF Peak RF once Network Analyzer Language SHPM PM1 PM0 AM1 AM0 FM1 num FM0 PL num DB PSl PSO RF1 RF0 SHPS PL SHSLIAT num DB SHPLISP num DB SLl num DB SHRP RPl SHAK SCPI Language PULS SOUR SCAL STAT ON PULS SOUR EXT STAT ON PULS SOUR EXT STAT OFF AM TYPE LIN STAT ON AM TYPE LIN STAT OFF FM SENS num freqsuf...

Страница 462: ... AL0 cycle power hardware hardware front panel hardware SYSTISCPI SYST LANG COMP SCPI Language SWE TIME num time suffix INIT 1NIT CONT 0FF ABOR INIT 1NIT CONT ON SWE MODE MAN SWE GEN STEP MODE MAN FREQ MODE SWE SWE GEN ANAL FREQ MODE SWE TRIG SOUR EXT TRIG SOUR IMM RCL O 8 SAV l S SYST ALT l B ALT STAT ON SYST ALT STAT OFF IDN See SCPI common commands ROSC INT ROSC EXT SYST COMM GPIB ADR num or ha...

Страница 463: ...he swept signal generator requires service and the routine maintenance procedures do not clear the problem contact a qualified service technician A list of HP Sales and Support Offices is provided behind the PREFACE tab at the front of this manual To help the service technician identify the problem quickly fill out and attach a service repair tag Service repair tags are provided at the end of this...

Страница 464: ...n that it was in prior to power off When the PRESET key is engaged the swept signal generator returns to the factory or user preset functional configuration 1 Turn the swept signal generator on Note the functional configuration 2 Turn the swept signal generator off Verify that the amber STANDBY LED is on 3 Turn the swept signal generator on Verify that the amber STANDBY LED is off and that the gre...

Страница 465: ...p Span Cal Once Verify that status problems do not exist UNLOCK UNLVLED or FAULT An OVEN status message will appear on the message line if the swept signal generator has been disconnected from ac power This message will turn off within 10 minutes if it does not there may be a problem If a FAULT message is displayed refer to menu map 6 Service to access fault information Terminate the RF output wit...

Страница 466: ... 4 l 1 Turn off the swept signal generator 2 Remove the ac line cord Note The detachable power cord is the instrument disconnecting device It disconnects the mains circuits from the mains supply before other parts of the instrument The front panel switch is only a standby switch and is not a LINE switch 3 4 5 6 Using a small flat blade screwdriver rotate the fuse cap counter clockwise and remove t...

Страница 467: ...ignal generator will automatically turn off and the amber STANDBY LED will turn on Clean the fan filter as follows 1 Turn off the swept signal generator 2 Remove the ac line cord Note The detachable power cord is the instrument disconnecting device It disconnects the mains circuits from the mains supply before other parts of the instrument The front panel switch is only a standby switch and is not...

Страница 468: ... not attempt to clean internally How to Clean the The display of the swept signal generator is protected by a plastic Display Filter display filter To clean the display filter use mild soap or detergent and water or a commercial window cleaner ammonia does not hurt the plastic surface Use a soft lint free cloth Do not use abrasive cleaners tissues or paper towels which can scratch the plastic 4 6 ...

Страница 469: ...5 Instrument History This chapter is left blank until this manual requires changes Instrument History 5 l ...

Страница 470: ... Adrs E l ABORt command defined 1 118 effect on trigger state l 111 example using 1 115 ABORt abort affect on trigger state l 110 abort statement l 57 AC FM F 12 ac power switch L 5 active entry area l 4 active entry area on off E 5 active entry arrow l 4 adapters 3 l HP IB C 7 adapter three prong to two prong 3 4 ADC fail F 2 address swept signal generator A l E l address changes no front panel 3...

Страница 471: ...nentially scaled A 15 A 18 linearly scaled A 15 A 19 rate I l M 15 AM bandwidth calibration M 16 AM FM output connector C 4 AM input connector C 4 AM output rear panel M 11 amplitude markers 1 14 A 17 amplitude modulation M 13 display depth M 9 greater depth D l internal I l softkeys A 14 amplitude modulation bandwidth calibration A 12 14 amplitude modulation on off A 15 16 A 18 19 AM waveform noi...

Страница 472: ...s correction A 25 frequency list A 25 bits in general status register model l 106 summary bit in general status register model l 107 blank display B l BNC connectors C 4 Boolean parameters discussed in detail l 85 explained briefly l 75 brackets angle l 64 BUS trigger source defined 1 119 C cabinet clean 4 5 cables HP IB C 7 calco fail F 3 calibrate sweep span always S 74 calibrate sweep span once...

Страница 473: ...mands SCPI programming S 13 command statements fundamentals l 57 command tables how to read 1 71 how to use 1 71 command trees defined l 68 how to change paths l 68 how to read l 68 simplified example 1 71 using efficiently l 69 commas problems with commas in input data l 65 proper use of l 69 l 82 common commands l 67 l 69 defined l 67 compare analyzer language to SCPI 3 24 compensation negative ...

Страница 474: ...1 continuous wave frequency C 13 control attenuator separately U l controller defined l 63 controller definition of l 56 control power level P 2 conventions typeface vii cooling airflow 3 9 copy frequency list C l 1 copy list C 11 correcting for power sensitive devices F 4 correction value enter E l correction value entry F 16 COUNt in general programming model 1 112 coupled attenuator A 6 coupled...

Страница 475: ...nt D 4 delete undefined entry D 4 delta marker 1 14 D 5 delta marker reference D 6 detector coupling factor C 12 detector calibration l 47 48 E 6 device enter statement 1 61 device output statement l 60 diagnostics fault information F l diode detectors characterization of l 47 directional coupler coupling factor C 12 disable interface address changes 3 8 disable save S l disable user flatness arra...

Страница 476: ... flatness E 2 enter list dwell E 3 enter list frequency E 4 enter list offset E 4 enter statement l 6 1 entry area 1 4 E 5 entry keys E 5 entry on LED l 5 entry on off E 5 EOI l 64 1 81 EOL suppression of 1 61 equipment supplied 3 l erase active array entry D 4 erase array D 3 erase array entries D 3 erase memory C 2 erase undefined entry D 4 erase user defined menu U 6 erase user defined softkey ...

Страница 477: ...6 external detector calibration E 6 external detector leveling L 3 external frequency standard T l external leveling l 23 29 coupling factor C 12 detector calibration E 6 low output l 26 theory of A 7 with detectors couplers or splitters l 23 26 with power meters l 27 with source modules l 28 external power meter range P 23 external pulse modulation P 18 external trigger frequency list L 9 externa...

Страница 478: ...FM deviation I 4 rate I 5 FM coupling M 17 FM deviation maximum M 17 FM input connector C 5 FM modulation M 17 FM on off AC F 12 FM on off DC F 13 FM on off ext F 14 FM on off int F 14 FM output rear panel M 11 FM waveform noise I 5 ramp I 6 square I 7 FNxfer fail F 3 forgiving listening l 66 l 83 frequency center C 1 coupled to center C 13 cw c 13 difference marker D 5 display zero Z l stepped sw...

Страница 479: ...ffset F 18 frequency softkeys F 16 frequency span S 60 frequency standard chosen automatically T l external T l internal T 2 none chosen T 2 frequency standard functions R l frequency start S 61 frequency start stop markers l 2 S 62 frequency step stepped sweep activate S 74 frequency stepped mode dwell time S 67 frequency stepped mode number of points S 67 frequency stepped sweep step size S 68 f...

Страница 480: ...GP IB control functions H l GP IB trigger stepped sweep mode S 70 sweep mode S 63 grounding pin 3 4 Group Execute Trigger 1 119 group execute trigger command S 17 H HP 437B detector calibration E 6 programming address M 8 HP 437B flatness correction measure all M 7 HP 437B measure correction M 7 M 8 HP 437B measure correction functions M 27 HP 8340 status register A 19 HP 8340 41 system convert to...

Страница 481: ...ode S 60 identifying string S 14 identify options command S 14 idle trigger state l 109 details of operation l 111 1 112 in general programming model l 110 IDN S 14 IEEE mailing address l 120 IEEE 488 1 how to get a copy l 120 IEEE 488 2 how to get a copy l 120 IEEE 488 2 common commands S 14 IMMediate set by RST 1 112 trigger command defined 1 118 trigger command discussed 1 112 trigger source de...

Страница 482: ...ftkeys H l interface bus trigger stepped sweep S 70 interface bus trigger sweep mode S 63 interface language analyzer P 13 CIIL P 13 SCPI P 14 interface language selection 3 6 internal AM A 17 internal AM depth I l internal AM rate I l internal FM rate I 5 internal frequency standard T 2 internal leveling A 5 internal leveling point L 3 internal pulse generator period I 9 internal pulse generator ...

Страница 483: ...9 leveling accuracy A 6 leveling control A 2 leveling loop normal L 1 leveling mode ALC off A 8 L l normal L 1 search A 8 L 2 leveling mode normal A 5 leveling modes A 5 leveling point external detector A 7 L 3 internal L 3 module L 4 power meter A 7 L 4 source module A 7 leveling points A 5 line fuse replacement 4 4 line switch L 5 line voltage selection 3 3 listener definition of l 56 list frequ...

Страница 484: ... 1 14 marker 1 key M 3 marker 2 key M 4 marker 3 key M 5 marker 4 key M 5 marker 5 key M 6 marker functions M 2 marker key M 2 markers amplitude 1 14 A 17 frequency 1 14 markers l 2 set start stop S 62 markers all off M 6 marker sweep M l master step control S 64 MATE compatibility P 13 mating connectors 3 8 maximize RF power A 27 measure correction all M 7 measure correction current M 7 measure c...

Страница 485: ...ing M 12 AM A 15 A 18 amplitude M 13 AM rate M 15 deep AM M 15 dynamic range M 14 FM M 17 narrow pulses M 21 pulse M 19 pulse characteristics P 16 pulse external P 18 pulse internal P 19 pulse period P 20 pulse rate P 21 pulse scalar P 20 reducing integrate and hold drift M 16 module selection M 23 M 24 M 25 module selection softkeys M 22 monitor menu M 26 more key M 27 multi pin connectors C 6 mu...

Страница 486: ... oPc opc l 111 oPc opc l 111 OPC pending flag clear S 14 open leveling loop L l theory of A 8 operating environment 3 8 operating temperature 3 9 operation complete command S 14 operation complete query S 14 Operation Pending Flag l 111 operator checks 4 l operator maintenance 4 4 OPT S 14 optimize tracking A 27 option 806 rack mount slides 3 10 option 908 rack flange kit 3 13 option 913 rack flan...

Страница 487: ...eling control A 4 power cable 3 4 power correction value E l power level l 10 power level functions P 2 power leveling A 2 internal point L 3 normal L 1 open loop L l search mode L 2 power leveling with external detector L 3 power leveling with mm wave module L 4 power leveling with power meter L 4 power level key P 2 power level step size U l power menu functions P 5 power menu key P 5 power mete...

Страница 488: ...ck l 90 local lockout 1 91 looping and synchronization l 99 queries and response data l 95 save recall l 97 setting up a sweep l 93 synchronous sweep l 101 program examples l 87 105 programmable flatness array C 12 program message examples l 72 program messages defined l 63 program message terminators affect on current path l 68 defined 1 81 syntax diagram l 80 use in examples l 64 programming lan...

Страница 489: ...riod P 20 pulse rate P 21 pulse rise time internal generator P 21 23 pulse sync out connector C 5 pulse video out connector C 5 pulse width internal generator P 23 pwron fail F 3 Q q u e r i e s defined l 63 discussed l 66 queries example program l 95 query commands l 72 query only l 72 query only l 72 query status byte S 17 R rack flange kit contents 3 13 rack flange kit installation 3 14 rack fl...

Страница 490: ...ata discrete l 86 integer l 86 response data format example program l 95 response examples l 65 response messages defined l 63 discussed in detail l 80 syntax l 82 response message terminators l 65 defined l 82 restore instrument state string S 14 reverse power effects l 30 l 32 RF on off R 2 RF output connector C 11 RF peaking P l RF power maximize A 27 RF power functions P 5 right arrow A 21 ris...

Страница 491: ...ements l 65 proper use of 1 69 sequence operation trigger state details of operation 1 114 in general programming model l 110 serial number vii service information 4 l service keys 2 l service request enable register S 17 service tags 4 6 set attenuator S 59 setting HP IB addresses A l shipment 3 17 shipping damage 3 l sine AM waveform I 3 FM waveform I 6 single 1 12 single frequency C 13 single s...

Страница 492: ...ncy external T l standard frequency internal T 2 standard frequency none T 2 standard notation l 64 standard operation status register clear S 14 start frequency S 61 flatness correction A 25 frequency list A 25 start ml stop m2 S 62 start stop frequency l 6 start sweep trigger S 62 start sweep trigger bus S 63 start sweep trigger external S 63 status display D 6 status byte clear S 14 status byte...

Страница 493: ...s response measurements programming example l 77 stop frequency flatness correction A 26 frequency list A 26 stop frequency key S 71 stop sweep in out connector C 6 storage 3 17 storage registers 1 16 store instrument state command S 17 store instrument state key S l string response data discussed in detail l 86 subsystem commands l 67 defined l 67 graphical tree format l 68 tabular format 1 71 su...

Страница 494: ...line L 5 synchronization command S 14 synchronization example program l 99 synchronous sweep example program l 101 synchronous sweep operation interface bus S 17 syntax diagrams commands 1 81 message terminators l 80 program message l 80 response message l 82 syntax drawings l 57 system controller on bus message 2a 4 system interface connector C 7 system language SCPI P 14 system menu keys S 77 T ...

Страница 495: ...112 idle l 111 in general programming model l 109 sequence operation 1 114 trigger system general programming model l 109 INIT trigger configuration 1 115 TRIG configuration 1 116 Trigger system INIT configuration 1 115 TRIG trigger configuration 1 116 TST S 17 two tone control S 64 typeface conventions vii U uncoupled attenuator A 7 U l unleveled message l 10 1 18 unlock information on status U l...

Страница 496: ... interface address 3 8 view previous menu P l 1 volts GHz connector C 6 WAI S 17 wait for sweep complete command S 17 WAI use of example program l 101 WAI wai l 111 warmup time 3 8 waveform noise I 2 I 5 ramp I 2 I 6 sine I 3 I 6 square I 3 I 7 triangle I 4 I 7 waveform menu W l waveform softkeys W l whitespace proper use of l 69 width pulse P 23 without front panel change interface address 3 8 wr...

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