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5-180

Hardkey and Softkey Reference
Utility

Page Up

Press this softkey to move up one page at a time in the displayed catalog of files.

Softkey Location:

Utility

,

Memory Catalog

,

Page Up

or press

Utility

,

Memory Catalog

,

Goto Row

,

Page Up

Power On Last Preset

This softkey toggles the power-on state of the signal generator between

Last

and

Preset

.

•

If you choose

Last

, each time you cycle power to the signal generator it will turn

on in the same condition as when you turned power off. The signal generator
must not receive commands for a second before the power is turned off to
guarantee that the most recent state is saved.

•

If you choose

Preset

, each time you cycle power to the signal generator it will

turn on in either the factory-defined preset condition or in a user-defined preset
condition. You make the choice between factory- and user-defined preset with
the

Preset Normal User

softkey.

The power-on state is a persistent state; it is not affected by an instrument preset
or by a power cycle.

Softkey Location: Press

Utility

,

Power On/Preset

,

Power On Last Preset

SCPI Commands:

:SYSTem:PON:TYPE PRESet|LAST

:SYSTem:PON:TYPE?

Power On/Preset

Pressing this softkey reveals a menu of choices for preset conditions. In this menu,
you have the following options:

•

Set the signal generator to power on in the same state as it was when you powered off,
or to power on in the instrument preset state. (Refer to the

Power On Last Preset

softkey description, in this section.)

•

Set the signal generator to preset to a factory-defined state or to a user-defined state.
(Refer to the

Preset Normal User

softkey description, in this section.)

•

Set up your own user-defined preset state. (Refer to the

Save Use Preset

softkey

description, in this section.)

•

Set the signal generator to preset to the SCPI programming language or to an HP 8648

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Содержание ESG Series

Страница 1: ...pany name prefix where a product name number was HP XXXX the current name number is now Agilent XXXX For example model number HP 8648 is now model number Agilent 8648 Contacting Agilent Sales and Service Offices The sales and service contact information in this manual may be out of date The latest service and contact information for your location can be found on the Web at http www agilent com fin...

Страница 2: ...S3723 HP ESG 4000A US3704 through US3723 HP Part No E4400 90076 Printed in USA Print Date December 1997 Supersedes June 1997 Copyright Hewlett Packard Company 1997 All Rights Reserved Reproduction adaptation or translation without prior written permission is prohibited except as allowed under the copyright laws 1400 Fountaingrove Parkway Santa Rosa CA 95403 1799 USA ...

Страница 3: ...ii ...

Страница 4: ...heck 1 9 2 Using Functions Setting Frequency and Power Levels 2 2 To Set the RF Frequency 2 2 To Set a Frequency Reference and a Frequency Offset 2 3 To Set the RF Output Power Level 2 4 To Set an Amplitude Reference and an Amplitude Offset 2 4 Setting Up Internally Generated Amplitude Modulation 2 6 Setting the Carrier Frequency 2 6 Setting the Power Level 2 6 Setting the AM Depth 2 6 Setting the...

Страница 5: ...the RF Output 3 2 Can t Turn Off Sweep Mode 3 3 Recalled a Register and Sweep List is Missing 3 3 All of the Registers Where You Previously Stored Instrument States are Empty 3 3 Saved an Instrument State in a Register but the Register is Empty or Contains the Wrong State 3 3 The Power Supply has Shut Down 3 3 Incorrect List Sweep Dwell Time 3 4 Can t Turn Off Help Mode 3 4 LF OUTPUT Signal is a S...

Страница 6: ...5 Device Specific Error Message Descriptions 3 25 Query Error 3 28 Query Error Message Descriptions 3 28 ESG Series Signal Generator Instrument Specific Error Messages 3 30 Returning Your Signal Generator to HP 3 50 HP Sales and Service Offices 3 51 4 Front and Rear Panel Front Panel Overview 4 2 Display Annotation 4 7 Rear Panel Overview 4 11 5 Hardkey and Softkey Reference AM 5 3 AM Depth 5 3 AM...

Страница 7: ...s 5 12 Dual Sine 5 12 Ext 5 12 Ext 1 AC Coupled 5 13 Ext 1 DC Coupled 5 14 Ext 2 AC Coupled 5 15 Ext 2 DC Coupled 5 15 Immediate 5 16 Internal 5 16 Noise 5 17 Ramp 5 17 Sine 5 17 Square 5 18 Swept Sine 5 18 Triangle 5 18 Trigger In Polarity Neg Pos 5 19 Trigger Key 5 19 Trigger Out Polarity Neg Pos 5 20 Ampl 5 21 ALC Off On 5 21 Ampl Offset 5 22 Ampl Ref Set 5 22 Ampl Ref Off On 5 23 Atten Hold Of...

Страница 8: ...ed 5 35 Ext 2 AC Coupled 5 36 Ext 2 DC Coupled 5 36 FM ΦM 5 37 FM Dev 5 37 FM Dev Couple Off On 5 38 FM Dual Sine Ampl Ratio 5 38 FM Off On 5 39 FM Path 1 2 5 40 FM Rate 5 41 FM Source 5 42 FM Start Rate 5 43 FM Stop Rate 5 44 FM Sweep Time 5 44 FM Sweep Trigger 5 45 FM Tone 1 Rate 5 45 FM Tone 2 Rate 5 46 FM Waveform 5 46 Immediate 5 47 Internal 5 47 Noise 5 48 Ramp 5 48 Sine 5 48 Square 5 49 ...

Страница 9: ...q Ref Off On 5 56 Freq Ref Set 5 56 Mode 1 Optimize 10kHz Offset 5 57 Mode 2 Optimize 10kHz Offset 5 57 Optimize Φ Noise 5 58 Phase Ref Set 5 58 Frequency 5 59 Help 5 61 Hold 5 63 Incr Set 5 65 LF Out 5 67 Bus 5 67 DC 5 68 Dual Sine 5 68 Ext 5 69 Function Generator 5 69 Immediate 5 70 Internal 5 70 LF Out Amplitude 5 71 LF Out Freq 5 71 LF Out Off On 5 72 LF Out Period 5 72 LF Out Source 5 73 ...

Страница 10: ...e 5 80 Pulse 5 81 Ramp 5 81 Sine 5 82 Square 5 82 Swept Sine 5 83 Triangle 5 83 Trigger In Polarity Neg Pos 5 84 Trigger Key 5 85 Trigger Out Polarity Neg Pos 5 85 Local 5 87 Mod On Off 5 89 Mode 5 91 Numeric Keypad 5 93 Phase Modulation 5 95 ΦM Dev 5 95 ΦM Dev Couple Off On 5 97 ΦM Dual Sine Ampl Ratio 5 97 ΦM Off On 5 98 ΦM Path 1 2 5 99 ΦM Rate 5 100 ΦM Source 5 101 ΦM Start Rate 5 102 ΦM Stop ...

Страница 11: ...led 5 109 FM ΦM Normal High BW 5 109 Immediate 5 110 Internal 5 110 Noise 5 111 Ramp 5 111 Sine 5 111 Square 5 112 Swept Sine 5 112 Triangle 5 112 Trigger In Polarity Neg Pos 5 113 Trigger Key 5 114 Trigger Out Polarity Neg Pos 5 114 Power Switch 5 115 Preset 5 117 Pulse 5 127 Ext2 DC Coupled 5 127 Internal Pulse 5 128 Internal Square 5 128 Pulse Off On 5 129 Pulse Period 5 129 Pulse Rate 5 130 Pu...

Страница 12: ...All Regs in Seq n 5 142 Delete All Sequences 5 143 Delete Seq n Reg nn 5 143 Editing Keys 5 143 Editing Mode Insert Replace 5 144 Save Seq n Reg nn 5 144 Select Reg 5 145 Select Seq 5 145 Sweep List 5 147 Points 5 147 Ampl 5 148 Ampl Start 5 148 Ampl Stop 5 149 Bus 5 149 Configure List Sweep 5 150 Configure Step Sweep 5 150 Delete File 5 151 Delete Item 5 151 Delete Row 5 151 Dwell Type List Step ...

Страница 13: ...7 Manual Mode Off On 5 158 Manual Point 5 158 Off 5 159 Page Down 5 159 Page Up 5 159 Point Trigger 5 160 Preset List 5 160 Single Sweep 5 160 Step Dwell 5 161 Store to File 5 161 Sweep 5 162 Sweep Direction Down Up 5 162 Sweep Repeat Single Cont 5 163 Sweep Trigger 5 163 Sweep Type List Step 5 163 Trigger In Polarity Neg Pos 5 164 Trigger Key 5 164 Trigger Out Polarity Neg Pos 5 165 Trigger 5 167...

Страница 14: ... 5 175 Help Mode Single Cont 5 176 HP8648A B C D 5 176 HP IB Address 5 177 HP IB RS 232 5 177 Instrument Adjustments 5 177 Instrument Info Help Mode 5 178 Inverse Video Off On 5 178 List 5 178 Memory Catalog 5 179 Mod Status Info Off On 5 179 Off 5 179 Page Down 5 179 Page Up 5 180 Power On Last Preset 5 180 Power On Preset 5 180 Preset Language 5 181 Preset Normal User 5 181 Recall Ref Osc Settin...

Страница 15: ...hite Pixels Screen Test 5 192 6 Options and Accessories Signal Generator Options 6 2 Front Handles Option 1CN 6 2 Rack Mount Flanges without Handles Option 1CM 6 2 Rack Mount Flanges with Handles Option 1CP 6 2 Three Year Warranty Option W30 6 2 Move All Front Panel Connectors to Rear Panel Option 1EM 6 3 High Stability Timebase Option 1E5 6 3 Delete Standard Manual Set Option 0B0 6 3 Extra Manual...

Страница 16: ...Case HP Part Number 9211 1296 6 8 Remote Interface HP 83300A 6 8 RS 232 Cable Kit 6 8 Upgrade and Retrofit Kits 6 9 Firmware Upgrade Kit 6 9 Firmware Upgrade Kit with Documentation 6 9 Analog to Digital Retrofit Kit 6 9 7 Operation 8 Safety and Regulatory Safety Notes 8 2 Instrument Markings 8 3 General Safety Considerations 8 4 Statement of Compliance 8 5 Warranty 8 6 Assistance 8 7 Certification...

Страница 17: ...Oscillator 9 4 Output 9 4 Spectral Purity 9 7 Frequency Modulation 9 8 Phase Modulation 9 10 Amplitude Modulation at fc 500 kHz 9 11 Pulse Modulation 9 12 Internal Modulation Source 9 13 LF Out Internal Modulation Source 9 14 External Modulation Inputs 9 14 Simultaneous Modulation 9 15 Remote Programming 9 15 ISO Compliant 9 15 General 9 16 Accessories 9 16 Options 9 17 Index ...

Страница 18: ...1 1 1 Preparing for Use This chapter contains procedures that show you how to install your signal generator and how to perform a functional check to verify signal generator operation ...

Страница 19: ...signal generator s HP IB address selecting the programming language Checking the Shipment 1 Inspect the shipping container for damage Look for signs of damage such as a dented or torn shipping container or cushioning material that shows signs of unusual stress or compacting 2 Carefully remove the contents from the shipping container and verify that your order is complete Refer to Table 1 1 for a l...

Страница 20: ...077 Programming Guide part of manual set E4400 90075 Standard E4400 90078 Quick Reference Guide part of manual set E4400 90075 Standard E4400 90079 Calibration Guide part of manual set E4400 90075 Standard E4400 90075 Additional Manual Set OB1 E4400 90008 Service Guide 0BW 0BX E4400 90015 Component Level Information Guide 0BV 0BX E4400 90024 User s Guide Chinese for Taiwan AB0 E4400 90023 User s G...

Страница 21: ...ith the kits The kit part numbers are listed in Table 1 2 Providing Adequate Ventilation CAUTION Ventilation Requirements When installing the product in a cabinet the convection into and out of the product must not be restricted The ambient temperature outside the cabinet must be less than the maximum operating temperature of the product by 4 C for every 100 watts dissipated in the cabinet If the ...

Страница 22: ...RNING This is a Safety Class 1 Product provided with a protective earthing ground incorporated in the power cord The mains plug shall only be inserted in a socket outlet provided with a protective earth contact Any interruption of the protective conductor inside or outside of the product is likely to make the product dangerous Intentional interruption is prohibited CAUTION Always use the three pro...

Страница 23: ...tween the background and the text will still be visible Pressing the increase contrast key and holding it down causes the display background to gradually brighten in comparison to the text on the display If the background does not appear to change it is probably set to the maximum contrast Selecting Inverse Video The normal display mode for the signal generator is dark text on a light background T...

Страница 24: ...nge the delay by pressing Screen Saver Delay in the same menu The current screen saver delay is displayed in the softkey label and also in the active entry area To change the delay enter a new value using the numeric keypad and then press Enter or rotate the front panel knob The acceptable range of delay values is 1 through 12 hours in 1 hour increments The screen saver settings do not change when...

Страница 25: ...d SCPI language Press the softkey for the selection that you desire You can also change the language selection by sending the appropriate command over HP IB Refer to the programming guide for instructions for changing the language over HP IB You can set the signal generator to default to a selected language as a persistent state remains unchanged after an instrument preset or power cycle Press Uti...

Страница 26: ...be lit and the instrument will perform a check 3 When the display is lit check to see if the ERR annunciator is turned on 4 If the ERR annunciator is turned on review the error messages in the queue by pressing Utility Error Info The first error message in the queue will be shown in the text area of the display Refer to Chapter 3 Troubleshooting for information about the error message If there is ...

Страница 27: ...or s Check Equipment Setup 3 Preset the signal generator to the factory defined conditions a Press Utility Power On Preset and toggle Preset until Normal is highlighted b Press the front panel Preset key 4 Set the signal generator to its maximum specified frequency a Press Frequency b Use the numeric keypad to enter the signal generator s maximum specified frequency as shown in Table 1 3 c Termina...

Страница 28: ...heck to see if the UNLEVEL or ERR display annunciators have turned on If these annunciators are on refer to the service guide for troubleshooting information Table 1 3 Frequency and Power Level Limits Instrument Model Maximum Specified Frequency Maximum Specified Power Power Level Accuracy Limits1 1 The values provided are confidence levels only they are not specifications HP ESG 1000A 1 GHz 13 dB...

Страница 29: ...1 12 Preparing for Use Verifying Signal Generator Operation ...

Страница 30: ...ontains procedures that show you how to use some of the major functions of your signal generator including setting frequency and power levels setting up modulations creating step and list sweeps and saving and recalling instrument states ...

Страница 31: ...or 4 The signal generator is set to output an RF signal however the RF On Off key must be set to On before the RF signal is available at the RF OUTPUT connector Press RF On Off Notice that the display annunciator changes from RF OFF to RF ON The maximum specified frequency is now being output at the RF OUTPUT connector 5 Change the frequency to 700 MHz by pressing Frequency The current RF frequenc...

Страница 32: ...cy to 700 MHz 3 Turn on frequency reference mode and set the current output frequency 700 MHz as the reference value Press Freq Freq Ref Set The frequency displayed is 0 Hz the frequency output by the hardware 700 MHz minus the reference value 700 MHz Notice that the REF indicator is turned on and the Freq Ref softkey has toggled to On 4 Set the RF On Off key to On Notice that the display annuncia...

Страница 33: ...d the front panel knob Practice changing the amplitude using these methods also To Set an Amplitude Reference and an Amplitude Offset The following procedure sets the RF output power as an amplitude reference to which all other amplitude parameters are relative The amplitude initially shown on the display will be 0 dB the power output by the hardware minus the reference power Although the display ...

Страница 34: ...e Ampl Offset softkey and enter 10 dB using the numeric keypad The amplitude display shows 20 dB the power output by the hardware 10 dBm minus the reference power 20 dBm plus the offset 10 dB Notice that the OFFS indicator is turned on The power at the RF OUTPUT connector is still 10 dBm ...

Страница 35: ...r softkey The new carrier frequency is shown in the frequency area of the display You should see 1 340 000 00 MHz Setting the Power Level 1 Press the front panel Amplitude key Amplitude becomes the active function and the normal preset value for amplitude is displayed in the active entry area 2 Enter 0 dBm using the numeric keypad and pressing the dBm terminator softkey The new power level is show...

Страница 36: ...ignal generator is now configured to output a 0 dBm amplitude modulated carrier at 1340 kHz with the AM depth set to 90 and the AM rate set to 10 kHz The shape of the waveform is a sinewave notice that sine is the default for the AM Waveform softkey Follow these remaining steps to output the amplitude modulated signal 1 In the same AM menu press the AM Off On softkey AM toggles from Off to On Noti...

Страница 37: ... carrier frequency is shown in the frequency area of the display You should see 104 900 000 00 MHz Setting the Power Level 1 Press the front panel Amplitude key Amplitude becomes the active function and the normal preset value for amplitude is displayed in the active entry area 2 Enter 0 dBm using the numeric keypad and pressing the dBm terminator softkey The new power level is shown in the amplit...

Страница 38: ...configured to output a 0 dBm frequency modulated carrier at 104 9 MHz with the FM deviation set to 75 kHz and the FM rate set to 10 kHz The shape of the waveform is a sinewave notice that sine is the default for the FM Waveform softkey press More 1 of 2 to see the softkey Follow these remaining steps to output the frequency modulated signal 1 In the same FM menu press the FM Off On softkey FM togg...

Страница 39: ... Step softkey to Step 3 Press the Configure Step Sweep softkey Another menu is displayed with softkeys that you will use to create the sweep points 4 Change the start frequency of the step sweep Press the Freq Start softkey Enter 525 MHz using the numeric keypad and pressing the MHz terminator softkey 5 Change the stop frequency of the step sweep Press the Freq Stop softkey Enter 600 MHz using the...

Страница 40: ...as been previously created the default is one point set to the signal generator s maximum frequency 135 dBm with a dwell time of 2 ms 3 Press More 1 of 2 Load List From Step Sweep Confirm Load From Step Sweep The points you defined in the step sweep are automatically loaded into the list Editing List Sweep Points 1 Change the dwell time for point 1 to 100 ms Press the right arrow key twice until t...

Страница 41: ...me for point 11 should now be highlighted Press the Insert Item softkey The dwell time from the previous point 11 has been copied into the new point 11 A new dwell time item is placed at point 11 and the dwell time item previously occupying that position has shifted down to point 12 Turning On List Sweep for a Single Sweep 1 Press Return to move up one menu level 2 Notice that the Sweep softkey is...

Страница 42: ...w keys Press the Select Reg softkey The register number in sequence 1 becomes the active function The signal generator will either display the last register used accompanied by the text in use or if no registers are in use will display register 00 accompanied by the text available Use the arrow keys to select register 01 4 Press the Save Seq 1 Reg 01 softkey The current instrument settings includi...

Страница 43: ...2 14 Using Functions Saving and Recalling an Instrument State ...

Страница 44: ...chapter contains instructions for troubleshooting problems you may encounter during operation of the signal generator it explains error messages you might see and it explains how to return your signal generator to HP for service ...

Страница 45: ...es not affect the output power The amplitude displayed is equal to the current power output by the signal generator hardware plus the value for the offset To eliminate the offset press Ampl Ampl Offset Enter 0 using the numeric keypad and press the dB terminator softkey REF tells you that the amplitude reference mode is turned on When this mode is on the displayed amplitude value is not the output...

Страница 46: ...To verify that the battery has failed turn power off line power to the signal generator and unplug it Then plug in the instrument and cycle power on If either error message 311 or 700 is stored in the error message queue your battery has failed Refer to the service guide for battery replacement instructions Saved an Instrument State in a Register but the Register is Empty or Contains the Wrong Sta...

Страница 47: ...rator In single mode the factory preset condition when you press the Help key help text is provided for your next key press Now press any key and you will exit the help function and the function of the key you pressed is also executed When you are in continuous help mode when you press the Help key help text is provided for your next key press and that key s function is also executed except for th...

Страница 48: ...eys to review the messages If there are any unviewed messages in the front panel error queue the ERR annunciator will be activated on the signal generator s display you can optionally rotate the RPG or use the arrow keys to view the error messages To empty the queue press Utility Error Info Clear Error Queue s There are some special error types called permanent errors These include unlock ovencold...

Страница 49: ...y detected When all the errors have been read from the queue further error queries will return 0 No error The SCPI query SYSTem ERRor is used to view messages in the SCPI error queue The error queue will be cleared when any of the following occur IEEE 488 2 section 11 4 3 4 upon power up upon receipt of a CLS command upon reading the last item from the queue In the SCPI error queue the permanent e...

Страница 50: ...lly followed by additional information regarding the error Short descriptions of the standard error numbers are described in this section The information that follows the error message may contain corrective actions that should be followed to correct the error condition The device dependent info section of the response may contain information which will allow you to determine the exact error and c...

Страница 51: ...erated 1 of N basis The SCPI defined error numbers and the error_description portions of the error query response are listed here The first error described in each class for example 100 200 300 400 is a generic error In selecting the proper error number to report more specific error codes are preferred ...

Страница 52: ...message indicates that the error queue contains no errors Error Number Error Description description explanation examples 0 No error The queue is empty Every error in the queue has been read or the queue was purposely cleared by power on or CLS ...

Страница 53: ...CPI error numbers are always negative with the exception of 0 No error SCPI Error Message The SCPI error message is Data out of range in this example Detailed Description The information that appears after the semicolon provides more detail as to the exact nature of the error In this example value clipped to lower limit tells you that you have entered a value outside the allowable range and the si...

Страница 54: ...nd incorrect or unimplemented IEEE 488 2 common commands Events that generate command errors will not generate execution errors device specific errors or query errors see the error definitions in this chapter Command Error Message Descriptions This section lists the signal generator s command error messages and their associated descriptions Error Number Error Description description explanation ex...

Страница 55: ... code 108 Parameter not allowed More parameters were received than expected for the header For example the ESE common command only accepts one parameter so receiving ESE 0 1 is not allowed 109 Missing parameter Fewer parameters were received than required for the header For example the ESE common command requires one parameter so receiving ESE is not allowed 110 Command header error An error was d...

Страница 56: ...specific error 121 Invalid character in number An invalid character for the data type being parsed was encountered For example an alpha in a decimal numeric or a 9 in octal data 123 Exponent too large The magnitude of an exponent was greater than 32000 see IEEE 488 2 7 7 2 4 1 124 Too many digits The mantissa of a decimal numeric data element contained more than 255 digits excluding leading zeros ...

Страница 57: ...ific error 141 Invalid character data Either the character data element contains an invalid character or the particular element received is not valid for the header 144 Character data too long The character data element contains more that twelve characters see IEEE 488 2 7 7 1 4 148 Character data not allowed A legal character data element was encountered where prohibited by the device 150 String ...

Страница 58: ...ta element was encountered but not allowed by the device at this point in the parsing 170 Expression data error This error as well as errors 171 through 179 are generated when parsing an expression data element This particular error message is used if the device cannot detect a more specific error 171 Invalid expression The expression data element was invalid see IEEE 488 2 7 7 7 2 For example unm...

Страница 59: ...encountered outside of a macro definition 183 Invalid inside macro definition Indicates that the program message unit sequence sent with a DDT or a DMC command is syntactically invalid see IEEE 488 2 10 7 6 3 184 Macro parameter error Indicates that a command inside the macro definition had the wrong number or type of parameters ...

Страница 60: ...d Rounding a numeric data element for example will not be reported as an execution error Events that generate execution errors will not generate command errors device specific errors or query errors see the error definitions in this chapter Execution Error Message Descriptions This section lists the signal generator s execution error messages and their associated descriptions Error Number Error De...

Страница 61: ...ignored 213 Init ignored Indicates that a request for a measurement initiation was ignored as another measurement was already in progress 214 Trigger deadlock Indicates that a trigger source for the initiation of a measurement is set to GET and a subsequent measurement query is received The measurement cannot begin until a GET is received but the GET would cause an INTERRUPTED error 215 Arm deadlo...

Страница 62: ...l program data element of block expression or string type was received that contained more data than the device could handle due to memory or related device specific requirements 224 Illegal parameter value Used where exact value from a list of possibilities was expected 225 Out of memory The device has insufficient memory to perform the requested operation 226 Lists not same length Attempted to u...

Страница 63: ...40 Hardware error Indicates that a legal program command or query could not be executed because of a hardware problem in the device The definition of what constitutes a hardware problem is completely device specific This error is used when the device cannot detect the more specific errors described for errors 241 through 249 241 Hardware missing Indicates that a legal program command or query coul...

Страница 64: ...dicates that a legal program command or query could not be executed because the file name on the device media could not be found For example an attempt was made to read or copy a nonexistent file The definition of what constitutes a file not being found is device specific 257 File name error Indicates that a legal program command or query could not be executed because a file name on the device med...

Страница 65: ...ro definition see IEEE 488 2 10 7 6 3 272 Macro execution error Indicates that a syntactically legal macro program data sequence could not be executed due to an error within the macro definition see IEEE 488 2 10 7 6 3 273 Illegal macro label Indicates that the macro label defined in the DMC command was a legal string syntax but could not be accepted by the device see IEEE 488 2 10 7 3 and 10 7 6 ...

Страница 66: ...or occurred This error message is used when the device cannot detect the more specific errors described for errors 281 through 289 The syntax used in a program and the mechanism for downloading a program is device specific 281 Cannot create program Indicates that an attempt to create a program was unsuccessful This may be due to insufficient memory 282 Illegal program name Indicates that the name ...

Страница 67: ...ndirectly caused an error related to memory or data_handles This is not the same as bad memory 291 Out of memory A downloaded program required more memory than was available in the instrument 292 Referenced name does not exist A downloaded program attempted to access an undefined element a variable constant filename etc 293 Referenced name already exists A downloaded program attempted to define an...

Страница 68: ...pped The error_message string for positive error codes is not defined by SCPI The occurrence of any error in this class will cause the device specific error bit bit 3 in the event status register IEEE 488 2 section 11 5 1 to be set Events that generate device specific errors will not generate command errors or query errors see the other error definitions in this section Device Specific Error Messa...

Страница 69: ... 320 Storage fault Indicates that the firmware detected a fault when using data storage This error is not an indication of physical damage or failure of any mass storage element 321 Out of memory Indicates that an internal operation needed more memory than was available 330 Self test failed Indicates that the device has detected a failure during its self test procedure 340 Calibration failed Indic...

Страница 70: ... specific errors described for errors 361 through 363 361 Parity error in program message Indicates that the parity bit was not correct when data was received for example an incorrect parity bit on a serial port 362 Framing error in program message Indicates that a stop bit was not detected when data was received for example a baud rate mismatch ...

Страница 71: ...nd errors execution errors or device specific errors see the other error definitions in this section Query Error Message Descriptions This section lists the signal generator s query error messages and their associated descriptions Error Number Error Description description explanation examples 400 Query Error This is a generic query error for devices that cannot detect more specific errors The cod...

Страница 72: ...EE 488 2 6 3 1 7 For example both the input buffer and the output buffer are full and the device cannot continue 440 Query UNTERMINATED after indefinite response Indicates that a query was received in the same program message after a query requesting an indefinite response was executed see IEEE 488 2 6 3 7 5 ...

Страница 73: ...alibration Error Number Error Description description explanation examples 100 Command error R0 No standby mode allowed Indicates that in HP 8656 57 compatibility mode R0 was received via HP IB This command is not supported by the compatibility mode Command error Remote active function DN UP not available Indicates that in HP 8656 57 compatibility mode either DN or UP was received via HP IB These ...

Страница 74: ...icates that the manual mode is on and therefore the instrument cannot sweep Init ignored Sweep is already initiated Indicates that the list sweep is currently initiated and sweeping therefore the command is not legal according to SCPI Init ignored Sweep is already continuously initiated Indicates that the list sweep is continuously initiated and sweeping therefore the command is not legal accordin...

Страница 75: ...ent repeated the necessary number of times Settings conflict Power list and dwell list are of unequal size Set one to size one or make their sizes equal Indicates that the dwell list has more than one element and the power list has more than one element and they are not of equal size If any of the frequency power or dwell lists have more than one element they must all have the same number of eleme...

Страница 76: ...on of FM2 PM2 must always be less than or equal to the deviation settings for FM1 PM1 This error will be reported to the queue when FM2 PM2 is enabled and FM1 PM1 is also enabled and an adjustment to either FM1 PM1 deviation causes the FM1 or PM1 deviation to be less than the FM2 or PM2 deviation It will also be reported when FM1 PM1 is being turned on and the last FM2 PM2 deviation setting is gre...

Страница 77: ... clipped to lower limit Indicates that an input value is below the minimum value allowed Examples are frequency setting reference or offset output power power reference and offset modulation depth deviation or modulation source frequency number of points and start stop values for list mode sequence or register values save recall dwell time Data out of range value clipped to upper limit Indicates t...

Страница 78: ...imiting to maximum point Indicates that the sweep list manual point has been reassigned to a smaller number value due to the longest list shrinking or being turned off Its new value is the length of the power list which is the longest enabled list 223 Too Much Data The number of list points exceeds the maximum allowed Indicates that a SCPI list has been entered that is longer than the maximum allo...

Страница 79: ... copy of filename Indicates that the EEPROM copy of a file has a correctable error The system automatically performs the correction A potential cause is a failing EERPOM Report this problem to the factory 241 Hardware missing card_name Indicates that a test communication to a hardware card failed The instrument is most likely not functional Contact the nearest HP Sales and Service office Hardware ...

Страница 80: ... operation Corrupt media media_name Indicates that a source media possibly EEPROM for a data file is corrupt This error is usually seen in conjunction with errors concerning a certain file 254 Media full Unable to delete saved state from non volatile memory No instrument state change Indicates that the state memory subsystem STATE was unable to delete a register You must free some memory by deleti...

Страница 81: ...ral times when the Delete All Sequences command is executed File name error Delete a non saved state register Delete register ignored Indicates that the user has attempted to delete a state which is empty unused This is informational only File name error Directory does not support extenders Indicates that an extender which is specified by an sign followed by a memory subsystem name has been specif...

Страница 82: ...es and Service office 310 System error RS232 buffer overflow character lost Indicates that the RS232 buffer has been exceeded The most recent character has been dropped System error Cannot change manual point until list mode error condition cleared An error is keeping the sweep list from being able to set the frequency and or power Until the problem is addressed the manual point cannot be changed ...

Страница 83: ... verify instrument state file Indicates that an instrument state file could not be accessed and verified because of insufficient memory Reduce the size of any sweep lists and try again Out of memory Memory catalog failed Indicates that there is not enough memory to complete a catalog listing Reduce the size of any sweep lists and try again Out of memory Unable to display timeslot window Indicates ...

Страница 84: ...til either fewer frequencies have been supplied or more memory becomes available and the same set of frequencies are sent again FREQ MODE CW is executed or FREQ MODE LIST is executed Out of memory Object Memory Area Indicates that memory was exhausted during instrument power on Report the circumstances to the factory Out of memory List formation The device was unable to allocate space for a lookup...

Страница 85: ... header for a hardware card is incorrect If the card is not properly identified the instrument is likely to be non functional Contact the nearest HP Sales and Service office Self test failed Data Generator Memory Test 0x____ Indicates that the data generator memory failed Modulation data produced by the data generator may not be correct However if an Unable to check Data Generator Memory error was...

Страница 86: ...nting further SCPI command execution and there is no more room left in the corresponding SCPI input queue to accept a query to read from the output queue The system automatically discards output to correct the deadlock 201 Bad file number Unable to check Data Generator memory Indicates that the instrument was not able to generate the pattern necessary to perform the data generator memory test This...

Страница 87: ...nd in filename Fixing Indicates that a compressed state file has a zero at its end This is a sign of file corruption The device fixes the problem by concealing the zero such that it no longer triggers an error message The file may be corrupt or unusable I O error Unable to recall from non volatile memory No instrument state change Indicates that the state file is not readable and the recall was ab...

Страница 88: ...tenuator hold mode the user has requested a power setting that is above the ALC range for the attenuator setting 508 Synthesizer unlocked Indicates that the synthesizer is unlocked Service may be needed 509 Output Section input overdrive Internal error report to factory 511 Output unleveled Indicates that the instrument s output is unleveled 512 Reference unlocked Indicates that the instrument s r...

Страница 89: ...failure DCFM DC overrange Indicates that the instrument was unable to perform a DCFM or DCΦM calibration due to the input signal being outside of the offset range that can be calibrated for Calibration failure Upgrade calibration failed Data not stored Indicates that the calibration stage of the instrument upgrade was not executed successfully The calibration data has not been stored The upgrade i...

Страница 90: ...mit When using the internal modulation source the upper limit varies for the different waveforms If the user changes the waveform when the internal source frequency is higher than that allowed for the new waveform the frequency for the source will be changed and the user informed of that change with this message 617 Configuration error Data Generator Memory configuration does not match installed b...

Страница 91: ...or persists contact the factory 700 State Save Recall Error Recall aborted Unable to recall the state from non volatile memory This indicates that the state file was not readable so the recall was aborted If state file exists delete explicitly using the memory catalog State Save Recall Error Recalled state has a bad checksum No instrument state change This indicates that the state file was corrupt...

Страница 92: ...ignored Indicates that a STATE file in a sequence that is being deleted could not be deleted due to the file not being found data corruption etc If state file exists delete explicitly using the memory catalog State Save Recall Error The state file is from a different firmware revision that does not support comments Indicates that an attempt was made to write a comment to a state file revision that...

Страница 93: ...ch information as possible about the problem record any error messages that appeared on the display and include performance test results or any other specific data on the performance of the signal generator Ship the instrument in the original factory packaging materials if they are available If not use similar packaging to properly protect the instrument Return the instrument to the nearest HP sal...

Страница 94: ...d 41 22 780 8111 France Hewlett Packard France 1 Avenue Du Canada Zone D Activite De Courtaboeuf F 91947 Les Ulis Cedex France 33 1 69 82 60 60 Germany Hewlett Packard GmbH Hewlett Packard Strasse 61352 Bad Homburg v d H Germany 49 6172 16 0 Great Britain Hewlett Packard Ltd Eskdale Road Winnersh Triangle Wokingham Berkshire RG41 5DZ England 44 734 696622 INTERCON FIELD OPERATIONS Headquarters Hew...

Страница 95: ...3 52 Troubleshooting HP Sales and Service Offices ...

Страница 96: ...t and Rear Panel This chapter contains descriptions of the keys and connectors and other hardware on the front and rear panels It also describes which information is displayed in the various parts of the display ...

Страница 97: ...nfigure your signal generator with Option 1EM this input is relocated to a rear panel female BNC connector 2 EXT 2 INPUT Connector This female BNC input connector accepts a 1 Vpeak signal for FM ΦM AM and pulse modulation With FM ΦM or AM 1 Vpk produces the indicated deviation or depth With pulse modulation 1 V is on and 0 V is off When AC coupled inputs are selected for FM ΦM or AM HI LO annuncia...

Страница 98: ...ou configure your signal generator with Option 1EM this input is relocated to a rear panel female BNC connector 6 Mod On Off Key This hardkey toggles all modulation signals on and off Although you can set up and enable various modulation states the RF carrier is not modulated until Mod On Off is set to On An annunciator is always turned on in the display to indicate whether modulation is turned on...

Страница 99: ...r current softkey menu to the softkey menu that precedes it It will back up through the menus of the current hardkey until you reach the first menu of that key 12 Display Contrast Decrease Key Pressing the decrease contrast key and holding it down causes the display background to gradually darken in comparison to the text on the display 13 Display Contrast Increase Key Pressing the increase contra...

Страница 100: ...old is pressed the front panel knob the arrow keys and the numeric keypad have no effect To return to normal operation press any front panel hardkey 21 Softkeys Press a softkey to activate the function indicated by the label on the display directly to the left of the softkey 22 Knob The knob increases or decreases a numeric value Any of the values that can be set through the numeric keypad or the ...

Страница 101: ...sweeps and various frequency and power capabilities 27 Incr Set Key Press this hardkey to cancel the highlighted digit in the active function display which allows you to enter an arbitrary increment size 28 Recall Key This hardkey lets you restore any instrument state that you previously saved in a memory register You can save up to 100 different instrument states in a combination of 100 memory re...

Страница 102: ...lay Indicators are also displayed in this area when a frequency offset or multiplier is set or if frequency reference mode is turned on 2 Amplitude Area The current output power level setting is shown in this portion of the display Indicators are also displayed in this area when an amplitude offset is set or if amplitude reference mode is turned on ...

Страница 103: ...ea and that setting will change as you enter a new value If the active function has an increment value associated with it that value is displayed here also 7 Annunciators The display annunciators show the status of some of the signal generator functions and indicate error conditions of the instrument The following annunciators are available ΦM This annunciator is turned on when phase modulation is...

Страница 104: ...n 1 03 Vpk EXT REF This annunciator is turned on when an external 1 2 5 or 10 MHz frequency reference is in use FM This annunciator is turned on when frequency modulation is turned on A second annunciator ΦM will appear in the same position if phase modulation is turned on Frequency modulation and phase modulation cannot be turned on at the same time so the two annunciators will never conflict L T...

Страница 105: ...The T annunciator is turned on when the signal generator is in the talk mode and is transmitting information over the HP IB UNLEVEL This annunciator is turned on when the signal generator is unable to maintain the correct output level The UNLEVEL annunciator is not necessarily an indication of instrument failure Unleveled conditions can occur during normal operation A second annunciator ALC OFF wi...

Страница 106: ...Power Receptacle The power cord receptacle accepts a three pronged cable that is shipped with the instrument The line voltage is connected here 2 HP IB Connector The HP IB connector allows communications with compatible devices such as power meters and external controllers ...

Страница 107: ... to 10 V at the end of the sweep regardless of the sweep width In CW mode this connector has no output The output impedance is less than 1Ω and can drive 2 kΩ 5 TRIGGER OUT Connector This female BNC connector outputs a TTL signal that is asserted high at the start of a dwell sequence or at the start of waiting for the point trigger in manual sweep mode and low when the dwell is over or when the po...

Страница 108: ... accepts a 3 5 to 20 dBm signal from an external timebase reference which is within 10 ppm standard timebase or 1 ppm high stability timebase The nominal input impedance is 50Ω The signal generator detects when a valid reference signal is present at this connector and automatically switches from internal to external reference operation 8 10 MHz OUT Connector This female BNC connector provides a no...

Страница 109: ...4 14 Front and Rear Panel Rear Panel Overview ...

Страница 110: ...hapter describes each front panel hardkey and each softkey associated with the hardkey The SCPI programming commands are listed in addition to normal preset and power on conditions The chapter is organized alphabetically by front panel hardkey ...

Страница 111: ...5 2 Hardkey and Softkey Reference ...

Страница 112: ...ive entry area To enter a new value rotate the front panel knob until the desired value is displayed use the up and down arrow keys or enter the value using the numeric keypad and press the terminator softkey The range of values allowed is 0 1 to 100 The minimum increment allowed is 0 1 Notice that the new value of AM depth applies only to whichever AM path configuration AM Path 1 or AM Path 2 you...

Страница 113: ...tio of the depth of AM tone 2 to the depth of AM tone 1 as a percent The range of values allowed is 0 to 100 The minimum increment allowed is 0 1 The sum of the two AM depths results in the total AM depth set by the AM Depth softkey in the initial AM Menu For example if the total AM depth is 30 and you set AM Dual Sine Ampl Ratio to 50 then the depth of AM tone 1 will be 20 and the depth of AM ton...

Страница 114: ...example select AM Path 1 AM Path 1 is the default after a normal preset If AM Path 1 is not highlighted press the AM Path 1 2 softkey until the selection toggles to AM Path 1 Configure the modulation characteristics such as depth source rate and waveform using the remaining softkeys in the AM menu Then enable AM by setting AM Off On to On To configure a second amplitude modulation configuration to...

Страница 115: ... the front panel knob until the desired value is displayed use the up and down arrow keys or enter the value using the numeric keypad and press the Hz or kHz terminator softkey The range of values allowed is 0 1 Hz to 10 kHz 0 1 Hz to 50 kHz is the range allowed if sinewave is selected as the internal waveform The minimum increment allowed is 0 1 Hz Notice that the new value of AM rate applies onl...

Страница 116: ...ernal inputs The internal and external 1 and 2 sources have multiple uses You can use them for amplitude frequency and phase modulation For pulse modulation you must use the external 2 source However any given source can only be routed to one enabled modulation at a time If for example you were using the external 1 source in a frequency modulation configuration for FM Path 1 and then you configure...

Страница 117: ...kHz terminator softkey The range of values allowed is 0 1 Hz to 50 kHz The minimum increment allowed is 0 1 Hz This softkey is coupled to the AM Rate softkey in the initial AM Menu and the AM Tone 1 Rate softkey in the AM Dual Sine Menu Any value set for AM Start Rate is reflected in the AM Rate and AM Tone 1 Rate softkeys Conversely if you change the value for either the AM Rate softkey or the AM...

Страница 118: ...r the AM Tone 2 Rate softkey the value for AM Stop Rate is changed to match Softkey Location Press AM AM Waveform Swept Sine AM Stop Rate Status after Normal Preset 400 0 Hz SCPI Commands SOURce AM 1 2 INTernal 1 FREQuency ALTernate val unit SOURce AM 1 2 INTernal 1 FREQuency ALTernate AM Sweep Time Press this softkey to set the sweep time for swept sine amplitude modulation The signal generator w...

Страница 119: ...M tone 1 Enter the desired rate using the up and down arrow keys the front panel knob or enter a value using the numeric keypad and press the kHz or Hz terminator softkey The range of values allowed is 0 1 Hz through 50 kHz The minimum increment allowed is 0 1 Hz This softkey is coupled to the AM Rate softkey in the initial AM Menu and the AM Start Rate softkey in the AM Swept Sine Menu Any value ...

Страница 120: ...keys Conversely if you change the value for either the AM Rate softkey or the AM Stop Rate softkey the value for AM Tone 2 Rate is changed to match Softkey Location Press AM AM Waveform Dual Sine AM Tone 2 Rate Status after Normal Preset 400 0 Hz SCPI Commands SOURce AM 1 2 INTernal 1 FREQuency ALTernate val unit SOURce AM 1 2 INTernal 1 FREQuency ALTernate AM Waveform Pressing this softkey reveal...

Страница 121: ...ones In addition you can set the AM depth for AM Path 1 and AM Path 2 and also set a ratio of the tone 2 AM depth to the tone 1 AM depth Softkey Location Press AM AM Waveform Dual Sine SCPI Commands SOURce AM 1 2 INTernal 1 FUNCtion SHAPe DUALsine SOURce AM 1 2 INTernal 1 FUNCtion SHAPe Ext This softkey is one of the choices in the AM Sweep Trigger menu Choosing Ext allows you to trigger swept sin...

Страница 122: ...ou were using the external 1 input in a frequency modulation configuration for FM Path 1 and then you configured AM Path 2 to also use the external 1 input the signal generator would turn off FM Path 1 and assign the external 1 input to your AM Path 2 configuration For the purpose of this discussion the external 1 AC coupled input is the same as the external 1 DC coupled input Softkey Location Pre...

Страница 123: ...uration for FM Path 1 and then you configured AM Path 2 to also use the external 1 input the signal generator would turn off FM Path 1 and assign the external 1 input to your AM Path 2 configuration For the purpose of this discussion the external 1 AC coupled input is the same as the external 1 DC coupled input Softkey Location Press AM AM Source Ext 1 DC Coupled Status after Normal Preset AM Sour...

Страница 124: ...al 2 DC coupled input Softkey Location Press AM AM Source Ext 2 AC Coupled Status after Normal Preset AM Source is set to Internal SCPI Commands SOURce AM 1 2 SOURce EXTernal2 SOURce AM 1 2 EXTernal2 COUPling AC SOURce AM 1 2 EXTernal2 COUPling Ext 2 DC Coupled This softkey lets you input an external DC coupled amplitude modulation signal to the EXT 2 INPUT connector The external 2 input has multi...

Страница 125: ...ate SCPI Commands SOURce AM 1 2 INTernal 1 SWEep TRIGger IMMediate SOURce AM 1 2 INTernal 1 SWEep TRIGger Internal This softkey lets you connect an internally generated calibrated signal to the AM modulator The default state of the internal waveform generator is a 400 Hz sinewave with 0 1 depth The internal source has multiple uses but can be used for only one modulation at a time If for example y...

Страница 126: ...n waveform for the AM Path 1 and AM Path 2 configurations Notice that the selected waveform applies only to whichever AM path configuration you have currently selected Softkey Location Press AM AM Waveform Ramp SCPI Commands SOURce AM 1 2 INTernal 1 FUNCtion SHAPe RAMP SOURce AM 1 2 INTernal 1 FUNCtion SHAPe Sine This softkey lets you specify sine as the amplitude modulation waveform for the AM Pa...

Страница 127: ...ou can set the signal generator to a single externally triggered sweep on either a negative or positive TTL level or you can choose continuous sweep triggered immediately In this menu you can also select either a positive or negative polarity for the TRIGGER OUT signal Softkey Location Press AM AM Waveform Swept Sine SCPI Commands SOURce AM 1 2 INTernal 1 FUNCtion SHAPe SWEPtsine SOURce AM 1 2 INT...

Страница 128: ...nversely if the Trigger In Slope Neg Pos softkey is toggled in the swept sine FM ΦM or LF Out menus it will cause the swept sine AM softkey to toggle also This is also true for the Ext Neg and Ext Pos step or list sweep trigger selections Softkey Location Press AM AM Waveform Swept Sine Trigger In Polarity Neg Pos Status after Normal Preset Pos SCPI Commands TRIGger SEQuence SLOPe POSitive NEGativ...

Страница 129: ...s concluded Setting Trigger Out Polarity Neg Pos to Neg reverses the polarity where a high is 0 V and a low is 5 V This softkey is coupled to the Trigger Out Polarity Neg Pos softkey in the swept sine FM ΦM and LF Out menus and the sweep list menu When the polarity is toggled for this softkey in any one of these menus it affects all locations of the softkey Softkey Location Press AM AM Waveform Sw...

Страница 130: ... some modulation conditions which the ALC circuit cannot handle properly which lead to output level errors In these conditions better power level accuracy can be obtained by turning the ALC off and using power search Refer to the Power Search Manual Auto softkey documented in this section for more information about power search ALC Off is useful with pulse modulation with a pulse width narrower th...

Страница 131: ...OUTPUT connector An amplitude offset can be entered at any time during normal operation and also when you are operating in amplitude reference mode To enter an offset press Ampl Offset and enter the desired offset value using the up and down arrow keys the front panel knob or enter a value using the numeric keypad and press the dB terminator softkey When a non zero offset has been entered the OFFS...

Страница 132: ... is turned on in the amplitude area of the display All amplitude parameters will now be set as relative to the reference value Amplitude offsets can be used with amplitude reference mode In this situation the display will show the amplitude calculated as the current hardware output power minus the reference value plus the amplitude offset Amplitude reference mode only changes the display it does n...

Страница 133: ...s Ampl Atten Hold Off On Status after Normal Preset Off SCPI Commands SOURce POWer ATTenuation AUTO ON OFF 1 0 SOURce POWer ATTenuation AUTO Do Power Search Press this softkey to execute the power search routine one time Power search is an internal calibration routine used to achieve calibrated output power when the ALC is off You can execute a power search at any time by pressing this softkey You...

Страница 134: ...modulation is disabled during power search When you set Power Search Manual Auto to Manual the power search routine is not run until the Do Power Search softkey is pressed As with auto mode you do not need to disconnect modulation inputs during power search however modulation is disabled during the power search The following conditions must be met in order to engage either power search mode ALC Of...

Страница 135: ...5 26 Hardkey and Softkey Reference Ampl ...

Страница 136: ...emf mV uV mVemf or uVemf terminator softkey The output power range allowed depends on your instrument model Refer to Chapter 9 Specifications The current RF output power level is always shown in the amplitude area of the display except under the following conditions Amplitude reference mode is turned on An offset is applied A step or list amplitude sweep is in process The RF Off On front panel key...

Страница 137: ...5 28 Hardkey and Softkey Reference Amplitude ...

Страница 138: ...d right arrow keys choose the highlighted digit in the active entry area which is modified by the up and down arrow keys When a digit is highlighted it overrides the increment value used with the up and down arrow keys This override remains in effect until the Incr Set key is pressed an instrument preset occurs or power is cycled For example if frequency is the active parameter and you press the r...

Страница 139: ...5 30 Hardkey and Softkey Reference Arrow Keys ...

Страница 140: ...splay The minimum contrast setting is not a completely black display Some contrast between the background and the text will still be visible Pressing the increase contrast key and holding it down causes the display background to gradually brighten in comparison to the text on the display If the background does not appear to change it is probably set to the maximum contrast Display contrast is a pe...

Страница 141: ...5 32 Hardkey and Softkey Reference Display Contrast Keys ...

Страница 142: ...ation section in this chapter Bus This softkey is one of the choices in the FM Sweep Trigger menu With Bus selected you use the HP IB to trigger single sweeps of swept sine frequency modulation Softkey Location Press FM ΦM More 1 of 2 FM Waveform Swept Sine FM Sweep Trigger Bus Status after Normal Preset FM sweep trigger is set to Immediate SCPI Commands SOURce FM 1 2 INTernal 1 SWEep TRIGger BUS ...

Страница 143: ... for FM Path 1 and FM Path 2 and also set a ratio of the tone 2 FM deviation to the tone 1 FM deviation Softkey Location Press FM ΦM More 1 of 2 FM Waveform Dual Sine SCPI Commands SOURce FM 1 2 INTernal 1 FUNCtion SHAPe DUALsine SOURce FM 1 2 INTernal 1 FUNCtion SHAPe Ext This softkey is one of the choices in the FM Sweep Trigger menu Choosing Ext allows you to trigger swept sine frequency modula...

Страница 144: ... coupled source Softkey Location Press FM ΦM FM Source Ext 1 AC Coupled SCPI Commands SOURce FM 1 2 SOURce EXTernal1 SOURce FM 1 2 EXTernal 1 COUPling AC SOURce FM 1 2 EXTernal 1 COUPling Ext 1 DC Coupled This softkey lets you input an external DC coupled frequency modulation signal to the EXT 1 INPUT connector The external 1 input has multiple uses but can be used for only one modulation at a tim...

Страница 145: ...C coupled source Softkey Location Press FM ΦM FM Source Ext 2 AC Coupled SCPI Commands SOURce FM 1 2 SOURce EXTernal2 SOURce FM 1 2 EXTernal 2 COUPling AC SOURce FM 1 2 EXTernal 2 COUPling Ext 2 DC Coupled This softkey lets you input an external DC coupled frequency modulation signal to the EXT 2 INPUT connector The external 2 input has multiple uses but can be used for only one modulation at a ti...

Страница 146: ...nd press the Hz kHz MHz or GHz terminator softkey The range of values allowed depends on the carrier frequency The maximum peak deviation for a frequency is calculated by multiplying N times 10 MHz The following table lists the values for N and the resulting maximum peak deviations For example if you choose a carrier frequency of 400 MHz multiply 0 5 times 10 MHz resulting in a 5 MHz maximum peak ...

Страница 147: ... Ratio Press this softkey to set the ratio of the deviation of FM tone 2 to the deviation of FM tone 1 as a percent The range of values allowed is 0 to 100 The minimum increment allowed is 0 1 The sum of the two FM deviations results in the total FM deviation set by the FM Dev softkey in the initial FM Menu For example if the total FM deviation is 3 0 kHz and you set FM Dual Sine Ampl Ratio to 50 ...

Страница 148: ...to On Whenever frequency modulation is enabled the FM annunciator is turned on in the display There are two paths for FM modulation which can be simultaneously enabled as long as they use different sources Int Ext1 or Ext2 FM Path 2 is limited to a maximum rate of 1 MHz FM Path 2 must be set to a deviation less than or equal to FM Path 1 The modulation signals from both paths are summed internally...

Страница 149: ... Define the modulation characteristics for this second configuration and enable FM by setting FM Off On to On The RF carrier is available at the RF OUTPUT connector when you set RF On Off to On Set Mod On Off to On to modulate the RF carrier with the modulations that you have enabled FM Path 1 and FM Path 2 are summed internally for composite modulation Either path can be switched to any one of th...

Страница 150: ...up and down arrow keys or enter the value using the numeric keypad and press the Hz or kHz terminator softkey The range of values allowed is 0 1 Hz to 10 kHz 0 1 Hz to 50 kHz is the range allowed if sinewave is selected as the internal waveform The minimum increment allowed is 0 1 Hz Notice that the new value of FM rate applies only to whichever FM path configuration you have currently selected So...

Страница 151: ...rnal inputs The internal and external 1 and 2 sources have multiple uses You can use them for amplitude frequency and phase modulation For pulse modulation you must use the external 2 source However any given source can only be routed to one enabled modulation at a time If for example you were using the external 1 source in a frequency modulation configuration for FM Path 1 and then you configured...

Страница 152: ...minator softkey The range of values allowed is 0 1 Hz to 50 kHz The minimum increment allowed is 0 1 Hz This softkey is coupled to the FM Rate softkey in the initial FM Menu and the FM Tone 1 Rate softkey in the FM Dual Sine Menu Any value set for FM Start Rate is reflected in the FM Rate and FM Tone 1 Rate softkeys Conversely if you change the value for either the FM Rate softkey or the FM Tone 1...

Страница 153: ... Rate softkey the value for FM Stop Rate is changed to match Softkey Location Press FM ΦM More 1 of 2 FM Waveform Swept Sine FM Stop Rate Status after Normal Preset 400 0 Hz SCPI Commands SOURce FM 1 2 INTernal 1 FREQuency ALTernate val unit SOURce FM 1 2 INTernal 1 FREQuency ALTernate FM Sweep Time Press this softkey to set the sweep time for swept sine frequency modulation The signal generator w...

Страница 154: ...M tone 1 Enter the desired rate using the up and down arrow keys the front panel knob or enter a value using the numeric keypad and press the kHz or Hz terminator softkey The range of values allowed is 0 1 Hz through 50 kHz The minimum increment allowed is 0 1 Hz This softkey is coupled to the FM Rate softkey in the initial FM Menu and the FM Start Rate softkey in the FM Swept Sine Menu Any value ...

Страница 155: ...the value for the FM Stop Rate softkey the value for FM Tone 2 Rate is changed to match Softkey Location Press FM ΦM More 1 of 2 FM Waveform Dual Sine FM Tone 2 Rate Status after Normal Preset 400 0 Hz SCPI Commands SOURce FM 1 2 INTernal 1 FREQuency ALTernate val unit SOURce FM 1 2 INTernal 1 FREQuency ALTernate FM Waveform Pressing this softkey reveals a menu of FM waveform choices for your FM P...

Страница 156: ... SCPI Commands SOURce FM 1 2 INTernal 1 SWEep TRIGger IMMediate SOURce FM 1 2 INTernal 1 SWEep TRIGger Internal This softkey lets you internally generate an AC coupled frequency modulation signal The internal source has multiple uses but can be used for only one modulation at a time If for example you were using the internal source in an amplitude modulation configuration for AM Path 1 and then yo...

Страница 157: ...orm for the FM Path 1 and FM Path 2 configurations Notice that the selected waveform applies only to whichever FM path configuration you have currently selected Softkey Location Press FM ΦM More 1 of 2 FM Waveform Ramp SCPI Commands SOURce FM 1 2 INTernal 1 FUNCtion SHAPe RAMP SOURce FM 1 2 INTernal 1 FUNCtion SHAPe Sine This softkey lets you specify sine as the frequency modulation waveform for t...

Страница 158: ...et the signal generator to a single externally triggered sweep on either a negative or positive TTL level or you can choose continuous sweep triggered immediately In this menu you can also select either a positive or negative polarity for the TRIGGER OUT signal Softkey Location Press FM ΦM More 1 of 2 FM Waveform Swept Sine SCPI Commands SOURce FM 1 2 INTernal 1 FUNCtion SHAPe SWEPtsine SOURce FM ...

Страница 159: ...softkey is also set to Neg for swept sine AM ΦM and LF Out And in addition if the step or list sweep trigger is set to Ext Pos the trigger selection will automatically be changed to Ext Pos The same softkeys will toggle to Pos or to Ext Pos if you select Pos in the Swept Sine FM Menu Conversely if the Trigger In Slope Neg Pos softkey is toggled in the swept sine AM ΦM or LF Out menus it will cause...

Страница 160: ... Neg Pos This softkey toggles the polarity of the TTL signal that is output at the rear panel TRIGGER OUT connector When Trigger Out Polarity Neg Pos is set to Pos the output signal is asserted high 5 V at the start of the swept sine frequency modulation sweep and low 0 V when the sweep is concluded Setting Trigger Out Polarity Neg Pos to Neg reverses the polarity where a high is 0 V and a low is ...

Страница 161: ...5 52 Hardkey and Softkey Reference FM ...

Страница 162: ...es in frequency and must be readjusted If you first press Phase Ref Set the current output phase is set as a zero reference and any subsequent phase adjustment is displayed as relative to the zero reference Phase adjustment cannot be used with frequency or phase modulation To change the phase press the softkey once Phase adjustment becomes the active function To enter a new value rotate the front ...

Страница 163: ...nter a value from 1 through 50 Use the up and down arrow keys the front panel knob or enter a value using the numeric keypad and press the Enter terminator softkey For example set the output frequency to 1 MHz Then press Freq Freq Multiplier 3 Enter The display will now show an output frequency of 3 MHz but the actual output frequency will remain at 1 MHz For any multiplier greater than 1 the MULT...

Страница 164: ...quency at the output of a frequency translating device A frequency offset can be entered at any time during normal operation and also when you are operating in frequency reference mode To enter an offset press Freq Offset and enter the desired frequency value using the up and down arrow keys the front panel knob or enter a value using the numeric keypad and press the Hz kHz MHz or GHz terminator s...

Страница 165: ...rdware output frequency minus the reference value plus the frequency offset Frequency reference mode only changes the display it does not change the RF output frequency For example if you set your RF output frequency to 700 MHz set your reference value and then turn frequency relative mode on your display shows your frequency as 0 Hz but your output frequency remains at 700 MHz Softkey Location Pr...

Страница 166: ...Freq Optimize Φ Noise Mode 1 Optimize 10kHz Offset SCPI Commands SOURce FREQuency SYNThesis 1 SOURce FREQuency SYNThesis Mode 2 Optimize 10kHz Offset Press this softkey to set the signal generator to mode 2 which optimizes phase noise at offsets above 10 kHz Softkey Location Press Freq Optimize Φ Noise Mode 2 Optimize 10kHz Offset SCPI Commands SOURce FREQuency SYNThesis 2 SOURce FREQuency SYNThes...

Страница 167: ...low or above 10 kHz offsets as shown in Figure 5 1 Figure 5 1 Phase Noise Performance Mode 1 Versus Mode 2 Softkey Location Press Freq Optimize Φ Noise Status after Normal Preset Mode 2 Phase Ref Set This softkey sets the current output phase as a zero reference All phase parameters are then set as relative to the zero reference Softkey Location Press Freq Phase Ref Set SCPI Commands SOURce PHASe ...

Страница 168: ... Hz terminator softkey The output frequency range allowed depends on your instrument model Refer to Chapter 9 Specifications The current RF output frequency is always shown in the frequency area of the display unless you have altered the display by turning on frequency reference mode or entering an offset or a multiplier The frequency area of the display is blanked whenever a frequency sweep is se...

Страница 169: ...5 60 Hardkey and Softkey Reference Frequency ...

Страница 170: ...strument operation The Help key can be set to either single or continuous mode In single mode when you press the Help key help text is provided only for the next key that you press and then you are returned to normal operation In continuous mode when you press the Help key help text is provided for the next key that you press and that key s function is also executed except for the Preset key This ...

Страница 171: ...5 62 Hardkey and Softkey Reference Help ...

Страница 172: ...s this front panel hardkey to de activate the current active function and blank the softkey menu Once Hold is pressed the front panel knob the arrow keys and the numeric keypad have no effect To return to normal operation press any front panel hardkey ...

Страница 173: ...5 64 Hardkey and Softkey Reference Hold ...

Страница 174: ...ue of the up and down arrow keys for frequency becomes the active function You can change the value by using three different methods Use the up and down arrow keys The arrow keys will change the incremental value in steps equal to the current incremental value in this example these are 1 MHz steps Use the front panel knob Use the numeric keypad and complete your entry with a terminator softkey Pre...

Страница 175: ...5 66 Hardkey and Softkey Reference Incr Set ...

Страница 176: ...is softkey is one of the choices in the LF Out Sweep Trigger menu With Bus selected you use the HP IB to trigger single sweeps of swept sine low frequency output Softkey Location Press LF Out LF Out Source Function Generator LF Out Waveform Swept Sine LF Out Sweep Trigger Bus Status after Normal Preset LF out sweep trigger is set to Immediate SCPI Commands SOURce LFOutput FUNCtion SWEep TRIGger BU...

Страница 177: ...LF Out Waveform is set to DC SCPI Commands SOURce LFOutput FUNCtion SHAPe DC SOURce LFOutput FUNCtion SHAPe Dual Sine Pressing this softkey reveals a menu of choices for setting the dual sine low frequency output parameters In this menu you can set the frequencies for two separate tones In addition you can set a ratio of the tone 2 LF amplitude to the tone 1 LF amplitude Softkey Location Press LF ...

Страница 178: ...t sweep trigger is set to Immediate SCPI Commands SOURce LFOutput FUNCtion SWEep TRIGger EXTernal SOURce LFOutput FUNCtion SWEep TRIGger Function Generator This softkey lets you set the LF Out Source to be a function generator You can select a frequency and shape in addition to selecting the amplitude for a signal that is output at the LF OUTPUT front panel connector When you use the internal sour...

Страница 179: ...he frequency and shape of the signal is set by the internal source as it is being used by a modulation For example if the internal source is currently assigned to an AM path configuration and AM is turned on the signal output at the LF OUTPUT connector will have the frequency and shape of the amplitude modulating signal You can scale the amplitude of the output signal using the LF Out Amplitude so...

Страница 180: ...s softkey to set the modulating frequency for the LF output signal when you have selected the internal source as a function generator To change the frequency press the softkey once The current modulating frequency is displayed in the active entry area To enter a new frequency rotate the front panel knob until the desired value is displayed use the up and down arrow keys or enter the value using th...

Страница 181: ...oftkey to change the pulse period for the pulsed low frequency waveform To change the period press the softkey once The current value for pulse period is displayed in the active entry area To enter a new value rotate the front panel knob until the desired value is displayed use the up and down arrow keys or enter the value using the numeric keypad and press the µsec or msec terminator softkey The ...

Страница 182: ...For example if the internal source is currently assigned to an AM path configuration and AM is turned on the signal output at the LF OUTPUT connector will have the frequency and shape of the amplitude modulating signal You can scale the amplitude of the output signal using the LF Out Amplitude softkey If you choose to set the internal source as a function generator you can select a frequency and s...

Страница 183: ...owed is 0 1 Hz This softkey is coupled to the LF Out Freq softkey in the initial LF Out Menu and the LF Out Tone 1 Freq softkey in the LF Out Dual Sine Menu Any value set for LF Out Start Freq is reflected in the LF Out Freq and LF Out Tone 1 Freq softkeys Conversely if you change the value for either the LF Out Freq softkey or the LF Out Tone 1 Freq softkey the value for LF Out Start Freq is chan...

Страница 184: ...0 1 Hz to 50 kHz The minimum increment allowed is 0 1 Hz This softkey is coupled to the LF Out Tone 2 Freq softkey in the LF Out Dual Sine Menu Any value set for LF Out Stop Freq is reflected in the LF Out Tone 2 Freq softkey Conversely if you change the value for the LF Out Tone 2 Freq softkey the value for LF Out Stop Freq is changed to match This softkey is only active when you have selected th...

Страница 185: ...n Press LF Out LF Out Source Function Generator LF Out Waveform Swept Sine LF Out Sweep Time Status after Normal Preset 100 0 msec SCPI Commands SOURce LFOutput FUNCtion SWEep TIME val unit SOURce LFOutput FUNCtion SWEep TIME LF Out Sweep Trigger Pressing this softkey reveals a menu of choices for triggering swept sine low frequency output You can choose triggering that occurs immediately triggeri...

Страница 186: ...and the LF Out Start Freq softkey in the LF Out Swept Sine Menu Any value set for LF Out Tone 1 Freq is reflected in the LF Out Freq and LF Out Start Freq softkeys Conversely if you change the value for either the LF Out Freq softkey or the LF Out Start Freq softkey the value for LF Out Tone 1 Freq is changed to match This softkey is only active when you have selected the internal source to operat...

Страница 187: ...ut amplitude is 300 mVp and you set LF Out Tone 2 Ampl Of Peak to 33 then the amplitude of LF Out tone 1 will be 200 mVp and the amplitude of LF Out tone 2 will be 100 mVp 33 of 300 mVp so that the amplitude of the two tones adds up to 300 mVp 200 mVp plus 100 mVp This softkey is only active when you have selected the internal source to operate as a function generator Softkey Location Press LF Out...

Страница 188: ...F Out Stop Freq softkey the value for LF Out Tone 2 Freq is changed to match This softkey is only active when you have selected the internal source to operate as a function generator Softkey Location Press LF Out LF Out Source Function Generator LF Out Waveform Dual Sine LF Out Tone 2 Freq Status after Normal Preset 400 0 Hz SCPI Commands SOURce LFOutput FUNCtion FREQuency ALTernate val unit SOURc...

Страница 189: ... you have selected the internal source to operate as a function generator and when the LF Out waveform is specified as pulse Softkey Location Press LF Out LF Out Source Function Generator LF Out Waveform More 1 of 2 Pulse LF Out Width Status after Normal Preset 40 µs SCPI Commands SOURce LFOutput FUNCtion PWIDth val unit SOURce LFOutput FUNCtion PWIDth Noise This softkey lets you specify noise as ...

Страница 190: ...ation Press LF Out LF Out Source Function Generator LF Out Waveform More 1 of 2 Pulse Status after Normal Preset LF Out Waveform is set to Sine SCPI Commands SOURce LFOutput FUNCtion SHAPe PULSe SOURce LFOutput FUNCtion SHAPe Ramp This softkey lets you specify ramp as the waveform for the LF output signal This softkey is only active when you have selected the internal source to operate as a functi...

Страница 191: ...LF Out Waveform is set to Sine SCPI Commands SOURce LFOutput FUNCtion SHAPe SINe SOURce LFOutput FUNCtion SHAPe Square This softkey lets you specify square as the waveform for the LF output signal This softkey is only active when you have selected the internal source to operate as a function generator Softkey Location Press LF Out LF Out Source Function Generator LF Out Waveform More 1 of 2 Square...

Страница 192: ...LF Out Source Function Generator LF Out Waveform Swept Sine SCPI Commands SOURce LFOutput FUNCtion SHAPe SWEPtsine SOURce LFOutput FUNCtion SHAPe Triangle This softkey lets you specify triangle as the waveform for the LF output signal This softkey is only active when you have selected the internal source to operate as a function generator Softkey Location Press LF Out LF Out Source Function Genera...

Страница 193: ... addition if the step or list sweep is set to externally trigger the selection will automatically be set to Ext Neg The same softkeys will toggle to Pos or to Ext Pos if you select Pos in the Swept Sine LF Out Menu Conversely if the Trigger In Slope Neg Pos softkey is toggled in the swept sine AM FM or ΦM menus it will cause the swept sine LF Out softkey to toggle also This is also true for the Ex...

Страница 194: ...olarity of the TTL signal that is output at the rear panel TRIGGER OUT connector When Trigger Out Polarity Neg Pos is set to Pos the output signal is asserted high 5 V at the start of the swept sine low frequency sweep and low 0 V when the sweep is concluded Setting Trigger Out Polarity Neg Pos to Neg reverses the polarity where a high is 0 V and a low is 5 V This softkey is coupled to the Trigger...

Страница 195: ...5 86 Hardkey and Softkey Reference LF Out ...

Страница 196: ...o restore the front panel menu and status area display after RS 232 control You can also press this key to restore the display once the screen saver has started This key has autorepeat capability Hold it down and its function is continuously executed until you release it Status after Normal Preset Local unless a LOCAL LOCKOUT command has been sent ...

Страница 197: ...5 88 Hardkey and Softkey Reference Local ...

Страница 198: ...with the modulations that you have enabled All modulation types can be simultaneously enabled except FM with ΦM An annunciator is always turned on in the display to indicate whether modulation is turned on or off Status after Normal Preset Mod Off SCPI Commands OUTPut MODulation STATe ON OFF 1 0 OUTPut MODulation STATe ...

Страница 199: ...5 90 Hardkey and Softkey Reference Mod On Off ...

Страница 200: ...5 91 Hardkey and Softkey Reference Mode Mode This front panel key is reserved for future use ...

Страница 201: ...5 92 Hardkey and Softkey Reference Mode ...

Страница 202: ...s If the value is positive pressing the backspace key deletes the entire value and also changes the sign to a negative state Subsequent key presses change the sign between positive and negative states If you are entering a new value If the cursor is to the right of the digits pressing the backspace key deletes the digit immediately to the left When no digits remain subsequent key presses change th...

Страница 203: ...5 94 Hardkey and Softkey Reference Numeric Keypad ...

Страница 204: ... Path 1 and ΦM Path 2 configurations To change the value of the ΦM deviation press the softkey once The current value for ΦM deviation is displayed in the active entry area To enter a new value rotate the front panel knob until the desired value is displayed use the up and down arrow keys or enter the value using the numeric keypad and press the pi rad rad or deg terminator softkey The range of va...

Страница 205: ... ΦM Path 1 must be greater than or equal to the deviation for ΦM Path 2 Softkey Location Press FM ΦM hardkey toggle FM ΦM softkey to ΦM press ΦM Path 1 2 Status after Normal Preset 0 radians SCPI Commands SOURce PM 1 2 DEViation val unit SOURce PM 1 2 DEViation Table 5 1 Maximum Deviation Values for Phase Modulation Mode Maximum Deviation Maximum Rates 3 dB BW ΦM Path 1 ΦM Path 2 Normal N1 x 90 ra...

Страница 206: ...he deviation of ΦM tone 1 as a percent The range of values allowed is 0 to 100 The minimum increment allowed is 0 1 The sum of the two ΦM deviations results in the total ΦM deviation set by the ΦM Dev softkey in the initial ΦM Menu For example if the total ΦM deviation is 300 radians and you set ΦM Dual Sine Ampl Ratio to 50 then the deviation of ΦM tone 1 will be 200 radians and the deviation of ...

Страница 207: ...se modulation is enabled the ΦM annunciator is turned on in the display There are two paths for ΦM modulation which can be simultaneously enabled as long as they use different sources Int Ext1 or Ext2 ΦM Path 2 is limited to a maximum rate of 1 MHz ΦM Path 2 must be set to a deviation less than or equal to ΦM Path 1 The modulation signals from both paths are summed internally for composite modulat...

Страница 208: ... the modulation characteristics for this second configuration and enable ΦM by setting ΦM Off On to On The RF carrier is available at the RF OUTPUT connector when you set RF On Off to On Set Mod On Off to On to modulate the RF carrier with the modulations that you have enabled ΦM Path 1 and ΦM Path 2 are summed internally for composite modulation Either path can be switched to any one of the modul...

Страница 209: ...rrow keys or enter the value using the numeric keypad and press the Hz or kHz terminator softkey The range of values allowed is 0 1 Hz to 10 kHz 0 1 Hz to 50 kHz is the range allowed if sinewave is selected as the internal waveform The minimum increment allowed is 0 1 Hz Notice that the new value of ΦM rate applies only to whichever ΦM path configuration you have currently selected Softkey Locatio...

Страница 210: ...ernal inputs The internal and external 1 and 2 sources have multiple uses You can use them for amplitude frequency and phase modulation For pulse modulation you must use the external 2 source However any given source can only be routed to one enabled modulation at a time If for example you were using the external 1 source in a frequency modulation configuration for FM Path 1 and then you configure...

Страница 211: ... The range of values allowed is 0 1 Hz to 50 kHz The minimum increment allowed is 0 1 Hz This softkey is coupled to the ΦM Rate softkey in the initial ΦM Menu and the ΦM Tone 1 Rate softkey in the ΦM Dual Sine Menu Any value set for ΦM Start Rate is reflected in the ΦM Rate and ΦM Tone 1 Rate softkeys Conversely if you change the value for either the ΦM Rate softkey or the ΦM Tone 1 Rate softkey t...

Страница 212: ...op Rate is changed to match Softkey Location Press FM ΦM hardkey toggle FM ΦM softkey to ΦM press More 1 of 2 ΦM Waveform Swept Sine ΦM Stop Rate Status after Normal Preset 400 0 Hz SCPI Commands SOURce PM 1 2 INTernal 1 FREQuency ALTernate val unit SOURce PM 1 2 INTernal 1 FREQuency ALTernate ΦM Sweep Time Press this softkey to set the sweep time for swept sine phase modulation The signal generat...

Страница 213: ...the ΦM tone 1 Enter the desired rate using the up and down arrow keys the front panel knob or enter a value using the numeric keypad and press the kHz or Hz terminator softkey The range of values allowed is 0 1 Hz through 50 kHz The minimum increment allowed is 0 1 Hz This softkey is coupled to the ΦM Rate softkey in the initial ΦM Menu and the ΦM Start Rate softkey in the ΦM Swept Sine Menu Any v...

Страница 214: ...tkey the value for ΦM Tone 2 Rate is changed to match Softkey Location Press FM ΦM hardkey toggle FM ΦM softkey to ΦM press More 1 of 2 ΦM Waveform Dual Sine ΦM Tone 2 Rate Status after Normal Preset 400 0 Hz SCPI Commands SOURce PM 1 2 INTernal 1 FREQuency ALTernate val unit SOURce PM 1 2 INTernal 1 FREQuency ALTernate ΦM Waveform Pressing this softkey reveals a menu of ΦM waveform choices for yo...

Страница 215: ...ion eliminates the offset in DC phase modulation so that the carrier phase remains the same with no modulation applied External DC coupled ΦM must be active when this command is executed Softkey Location Press FM ΦM hardkey toggle FM ΦM softkey to ΦM press More 1 of 2 DCFM DCΦM Cal SCPI Commands CALibration DCFM Dual Sine Pressing this softkey reveals a menu of choices for setting the dual sine ph...

Страница 216: ...d phase modulation signal to the EXT 1 INPUT connector The modulation signal is tested for voltage and a display annunciator will report a high or low condition if the voltage is 3 of 1 Vpk The external 1 input has multiple uses but can be used for only one modulation at a time If for example you were using the external 1 input in an amplitude modulation configuration for AM Path 1 and then you co...

Страница 217: ...1 2 EXTernal 1 COUPling DC SOURce PM 1 2 EXTernal 1 COUPling Ext 2 AC Coupled This softkey lets you input an external AC coupled phase modulation signal to the EXT 2 INPUT connector The modulation signal is tested for voltage and a display annunciator will report a high or low condition if the voltage is 3 of 1 Vpk The external 2 input has multiple uses but can be used for only one modulation at a...

Страница 218: ...ress ΦM Source Ext 2 DC Coupled SCPI Commands SOURce PM 1 2 SOURce EXTernal2 SOURce PM 1 2 EXTernal2 COUPling DC SOURce PM 1 2 EXTernal2 COUPling FM ΦM Normal High BW This softkey toggles between the menus for FM normal ΦM and wideband ΦM Normal ΦM lets you set the phase deviation as high as N x 90 radians with a 3 dB bandwidth of 100 kHz Wideband ΦM provides increased bandwidth while restricting ...

Страница 219: ...URce PM 1 2 INTernal 1 SWEep TRIGger IMMediate SOURce PM 1 2 INTernal 1 SWEep TRIGger Internal This softkey lets you internally generate an AC coupled phase modulation signal The internal source has multiple uses but can be used for only one modulation at a time If for example you were using the internal source in an amplitude modulation configuration for AM Path 1 and then you configured ΦM Path ...

Страница 220: ...Path 1 and ΦM Path 2 configurations Notice that the selected waveform applies only to whichever ΦM path configuration you have currently selected Softkey Location Press FM ΦM hardkey toggle FM ΦM softkey to ΦM press More 1 of 2 ΦM Waveform Ramp SCPI Commands SOURce PM 1 2 INTernal 1 FUNCtion SHAPe RAMP SOURce PM 1 2 INTernal 1 FUNCtion SHAPe Sine This softkey lets you specify sine as the phase mod...

Страница 221: ...erator to a single externally triggered sweep on either a negative or positive TTL level or you can choose continuous sweep triggered immediately In this menu you can also select either a positive or negative polarity for the TRIGGER OUT signal Softkey Location Press FM ΦM hardkey toggle FM ΦM softkey to ΦM press More 1 of 2 ΦM Waveform Swept Sine SCPI Commands SOURce PM 1 2 INTernal 1 FUNCtion SH...

Страница 222: ... set to Neg for swept sine AM FM and LF Out And in addition if the step or list sweep trigger is set to Ext Pos the trigger selection will automatically be changed to Ext Neg The same softkeys will toggle to Pos or to Ext Pos if you select Pos in the Swept Sine ΦM Menu Conversely if the Trigger In Slope Neg Pos softkey is toggled in the swept sine AM FM or LF Out menus it will cause the swept sine...

Страница 223: ...olarity Neg Pos This softkey toggles the polarity of the TTL signal that is output at the rear panel TRIGGER OUT connector When Trigger Out Polarity Neg Pos is set to Pos the output signal is asserted high 5 V at the start of the swept sine phase modulation sweep and low 0 V when the sweep is concluded Setting Trigger Out Polarity Neg Pos to Neg reverses the polarity where a high is 0 V and a low ...

Страница 224: ...witch is off but the instrument is still connected to the mains circuit by way of the power cord The detachable power cord is the instrument disconnecting device The front panel power switch therefore is not and should not be used as a line switch CAUTION Avoid turning off power to the signal generator unless it is quiescent not currently changing state as a result of front panel operation or remo...

Страница 225: ...5 116 Hardkey and Softkey Reference Power Switch ...

Страница 226: ...reset conditions are shown in the following table To set your signal generator to default to these conditions set the Preset Normal User softkey to Normal Or you can define your own preset conditions and set your signal generator to preset to that unique state Refer to the Preset Normal User softkey description which is part of the Utility key section SCPI Commands SYSTem PRESet ...

Страница 227: ...ent Persistent State AM Rate 400 Hz AM Rate Increment 1 0 kHz AM Source Internal AM Waveform Sine AM Depth Coupling Off Display Parameter Condition Parameter Condition Brightness Persistent State Inverse Video Off Screen Saver Off On Persistent State Screen Saver Mode Persistent State Screen Saver Delay Persistent State Frequency Parameter Condition Parameter Condition Frequency Max Specified Freq...

Страница 228: ...nguage SCPI RS 232 Baud Rate Persistent State RS 232 Echo Persistent State Transmit Pace Persistent State Receive Pace Persistent State RTS Persistent State Instrument Adjustments Parameter Condition Parameter Condition Step Knob Ratio Persistent State Instrument Information Parameter Condition Parameter Condition Modulation Status Information On LF Output Parameter Condition Parameter Condition L...

Страница 229: ...Condition Parameter Condition Power On Last Preset Persistent State Preset Language Persistent State Preset Normal User Persistent State Reverse Power Protection Normal HP8648 Persistent State PN9 Mode Preset Normal Pulse Modulation Parameter Condition Parameter Condition Pulse Modulation Off Pulse Source Internal Pulse Pulse Period 80 µs Pulse Period Increment Persistent State Pulse Width 40 µs P...

Страница 230: ...ep Amplitude Increment Persistent State Step Sweep Number of Points 2 Step Sweep Dwell Time 2 0 ms Step Sweep Dwell Time Incr Persistent State Sweep Trigger Immediate Point Trigger Immediate List Sweep Dwell Type List Manual Mode Off Sweep Direction Up Trigger Out Polarity Pos Table 5 3 Factory Defined Preset Conditions ...

Страница 231: ... Rate 400 Hz AM Rate Increment Persistent State AM Source Internal AM Waveform Sine AM Depth Coupling Off Display Parameter Condition Parameter Condition Brightness Persistent State Inverse Video Persistent State Screen Saver Off On Persistent State Screen Saver Mode Persistent State Screen Saver Delay Persistent State Contrast Persistent State Frequency Parameter Condition Parameter Condition Fre...

Страница 232: ... State HP IB RS 232 Parameter Condition Parameter Condition RTS Persistent State Instrument Adjustments Parameter Condition Parameter Condition Step Knob Ratio Persistent State Ref Osc Fine Persistent State Ref Osc Coarse Persistent State Instrument Info Help Mode Parameter Condition Parameter Condition Help Mode Single Continuous Persistent State Modulation Status Information On LF Output Paramet...

Страница 233: ...M Rate Increment Persistent State ΦM Waveform Sine ΦM Deviation Coupling Off UW Uplink TCH E149 UW Downlink SYNC 050EF2993 Power On Preset Parameter Condition Parameter Condition Power On Last Preset Persistent State Preset Language Persistent State Preset Normal User Persistent State Reverse Power Protection Normal HP8648 Persistent State Pulse Modulation Parameter Condition Parameter Condition P...

Страница 234: ...nt Persistent State Sweep Repeat Single Step Sweep Start Amplitude 135 dBm Step Sweep Stop Amplitude 135 dBm Step Sweep Amplitude Increment Persistent State Step Sweep Number of Points 2 Step Sweep Dwell Time 2 0 ms Step Sweep Dwell Time Incr Persistent State Sweep Trigger Immediate Point Trigger Immediate List Sweep Dwell Type List Manual Mode Off Sweep Direction Up Trigger Out Polarity Pos Table...

Страница 235: ...5 126 Hardkey and Softkey Reference Preset ...

Страница 236: ...es but can be used for only one modulation at a time If for example you were using the external 2 input in a frequency modulation configuration for FM Path 1 and then you configured the pulse modulation source to also use the external 2 input the signal generator would turn off FM Path 1 and assign the external 2 input to your pulse configuration Softkey Location Press Pulse Pulse Source Ext2 DC C...

Страница 237: ...ce PULM SOURce INT SOURce PULM SOURce SOURce PULM INTernal 1 FUNCtion SHAPe PULSe SOURce PULM INTernal 1 FUNCtion SHAPe Internal Square This softkey lets you internally generate squarewave pulse modulation The duty cycle is set at 50 and you can set the pulse rate from 0 1 Hz to 50 kHz For additional specifications refer to Chapter 9 Specifications The internal source has multiple uses but can be ...

Страница 238: ...ulation To change the period press the softkey once The current value for pulse period is displayed in the active entry area To enter a new value rotate the front panel knob until the desired value is displayed use the up and down arrow keys or enter the value using the numeric keypad and press the msec or µsec terminator softkey The range of values allowed is 16 µs to 30 s If the value for pulse ...

Страница 239: ... Status after Normal Preset 400 Hz SCPI Commands SOURce PULM INTernal 1 FREQuency val unit SOURce PULM INTernal 1 FREQuency Pulse Width Use this softkey to change the pulse width for internal pulse modulation To change the pulse width press the softkey once The current value for pulse width is displayed in the active entry area To enter a new value rotate the front panel knob until the desired val...

Страница 240: ...r The internal and external 2 sources have multiple uses However you can use each source for only one modulation type at a time If for example you were using the external 2 source in a frequency modulation configuration for FM Path 1 and then you configured the pulse modulation source to also use the external 2 source the signal generator would turn off FM Path 1 and assign the external 2 source t...

Страница 241: ...5 132 Hardkey and Softkey Reference Pulse ...

Страница 242: ...a 4 using the numeric keypad and press the Enter terminator softkey Sequence 4 is now displayed in all softkeys which specify a sequence in this menu Now press Delete All Regs in Seq 4 and the data in all of the registers stored in sequence 4 will be deleted Be certain that you want to delete this data you cannot recover it once deleted NOTE This softkey has exactly the same function as the softke...

Страница 243: ...be deleted The instrument state that you had recalled from this register remains however until you change it If you deleted this register in error you can immediately resave it using the Save Seq n Reg n softkey in the Save menu NOTE This softkey has exactly the same function as the softkey with the identical name in the front panel Save key menu Softkey Location Press Recall Delete Seq n Reg nn R...

Страница 244: ... knob or enter a 4 using the numeric keypad and press the Enter terminator softkey Sequence 4 is now displayed in all softkeys which specify a sequence in this menu There are 100 registers available 0 through 99 in each of 10 0 through 9 sequences You can use these registers in any combination so long as the total number of registers used does not exceed 50 NOTE The actual number of states that ca...

Страница 245: ...5 136 Hardkey and Softkey Reference Recall ...

Страница 246: ... will display another menu You should now see the LF Out Source menu Press Return and you are moved back to the LF Out menu When you are at the top level of the menus the Return key has no function The Return key has autorepeat capability Hold it down and you are moved repeatedly back through the menus until you either release the key or you reach the top level of the menus While you are entering ...

Страница 247: ...5 138 Hardkey and Softkey Reference Return ...

Страница 248: ...PUT connector Although you can configure and engage various modulations no signal is available at the RF OUTPUT connector until RF On Off is set to On An annunciator is always turned on in the display to indicate whether RF is turned on or off Status after Normal Preset RF Off SCPI Commands OUTPut STATe ON OFF 1 0 OUTPut STATe ...

Страница 249: ...5 140 Hardkey and Softkey Reference RF On Off ...

Страница 250: ...numeric characters and special characters To add or change a comment the following editing capabilities are provided The Editing Mode Insert Replace softkey in the Editing Keys menu toggles the editing mode from inserting text to replacing text Insertion mode causes text to be entered in the position directly to the right of the cursor Replacement mode causes the text to be entered in the position...

Страница 251: ...ess this softkey until you have selected the correct sequence using the Select Seq softkey For example if you want to delete all of the registers that are saved in sequence 4 press Select Seq The currently selected sequence is displayed in the active entry area Change the number to 4 using the up and down arrow keys the front panel knob or enter a 4 using the numeric keypad and press the Enter ter...

Страница 252: ...softkey Sequence 4 is now displayed in all softkeys which specify a sequence number in this menu Now select register 5 press Select Reg The currently selected register is displayed in the active entry area Change the number to 5 in the same way that you changed the sequence number Register 5 is now displayed in all softkeys which specify a register number in this menu Now press Delete Seq 4 Reg 05...

Страница 253: ... Select Reg softkeys For example if you want to save to register 5 in sequence 4 press Select Seq The currently selected sequence is displayed in the active entry area Change the number to 4 using the up and down arrow keys the front panel knob or enter a 4 using the numeric keypad and press the Enter terminator softkey Sequence 4 is now displayed in all softkeys which specify a sequence in this m...

Страница 254: ...current instrument state has been saved to register 6 There are 100 registers available 0 through 99 in each of 10 0 through 9 sequences You can use these registers in any combination so long as the total number of registers used does not exceed 100 Softkey Location Press Save Select Reg Select Seq Press this softkey to choose a sequence for all softkeys which specify a sequence in this menu For e...

Страница 255: ...5 146 Hardkey and Softkey Reference Save ...

Страница 256: ...er the number of points in the sweep press Points The number of step sweep points becomes the active function and the current value is shown in the active entry area To enter a new value rotate the front panel knob until the desired value is displayed use the up and down arrow keys or enter the value using the numeric keypad and press the Enter terminator softkey A step sweep must always have a mi...

Страница 257: ...Wer MODE Ampl Start Press this softkey to set the amplitude of the first point in the sweep You can set the value anywhere in the range of the signal generator s specified output power Press Ampl Start and amplitude becomes the active function for the first point in the sweep To enter the value rotate the front panel knob until the desired value is displayed use the up and down arrow keys or enter...

Страница 258: ...eep Ampl Stop Status after Normal Preset 135 dBm SCPI Commands SOURce POWer STOP val unit SOURce POWer STOP Bus This softkey is one of the choices in both the Sweep Trigger menu and the Point Trigger menu Press either the Sweep Trigger softkey or the Point Trigger softkey to view these menus Choosing Bus in the Sweep Trigger menu allows you to trigger a list or step sweep using the HP IB Choosing ...

Страница 259: ...eded In this menu you can also edit existing points in the sweep Softkey Location Press Sweep List Configure List Sweep SCPI Commands SOURce LIST DWELl val val SOURce LIST DWELl SOURce LIST DWELl POINts SOURce LIST FREQuency val val SOURce LIST FREQuency SOURce LIST FREQuency POINts SOURce LIST POWer val val SOURce LIST POWer SOURce LIST POWer POINts Configure Step Sweep Pressing this softkey reve...

Страница 260: ...t is replaced by the default value Softkey Location Press Sweep List Configure List Sweep Delete Item Delete Row Press this softkey to delete a selected row in the sweep list Use the up and down arrow keys until any item is selected in the row you wish to delete Press Delete Row and the entire row is deleted Be certain that you want to delete the row you cannot recover this sweep data once you pre...

Страница 261: ...ort cut for editing Auto Edit is also available Highlight the item you want to edit Enter a new value using the numeric keys editing immediately starts for the highlighted item Press the Enter terminator softkey The new value is stored and the next item is highlighted Softkey Location Press Sweep List Configure List Sweep Edit Item Ext This softkey is one of the choices in both the Sweep Trigger m...

Страница 262: ... frequency only Softkey Location Press Sweep List Sweep Freq Status after Normal Preset Sweep is set to Off SCPI Commands SOURce FREQuency MODE LIST SOURce FREQuency MODE Freq Ampl Press this softkey to set the signal generator to sweep both frequency and amplitude data Both the frequency and the amplitude lists must have the same number of points or they must have only one point If a list has onl...

Страница 263: ...the range of the signal generator s specified output frequency Press Freq Stop and frequency becomes the active function for the last point in the sweep To enter the value rotate the front panel knob until the desired value is displayed use the up and down arrow keys or enter the value using the numeric keypad and press the GHz MHz kHz or Hz terminator softkey Softkey Location Press Sweep List Con...

Страница 264: ... Load Store menu the softkey helps you move the selection bar through the catalog of list files You can also go to a specific row by rotating the front panel knob using the up and down arrow keys or entering the row number with the numeric keypad Once the desired row number is displayed press the Enter terminator softkey Softkey Location Press Sweep List Configure List Sweep Goto Row or press Swee...

Страница 265: ...ess Sweep List More 1 of 2 Sweep Trigger Immediate or press Sweep List More 1 of 2 Point Trigger Immediate Status after Normal Preset Sweep and point trigger are set to Immediate SCPI Commands SOURce LIST TRIGger SOURce IMMediate SOURce LIST TRIGger SOURce Insert Item Press this softkey to place a copy of the selected item directly below that item in the sweep list First use the up and down arrow ...

Страница 266: ...1 of 2 Load Store Load From Selected File SCPI Commands MEMory LOAD LIST filename MMEMory LOAD LIST filename Load List From Step Sweep Press this softkey to eliminate the existing sweep list data and replace it with the step sweep data points You can only have one sweep list at a time so be certain that you wish to delete the existing list You cannot recover the sweep list data once you press Load...

Страница 267: ... softkey to choose a point in the sweep list When Manual Mode is On the selected sweep list point controls the frequency and amplitude according to the sweep type The current point number is shown in the active entry area when you press Manual Point The frequency of the point is shown in the frequency area of the display The amplitude of the point is shown in the amplitude area of the display You ...

Страница 268: ...e of the catalog listing when you are in the Load Store List menu Softkey Location Press Sweep List Configure List Sweep Goto Row Page Down or press Sweep List Configure List Sweep More 1 of 2 Load Store Page Down or press Sweep List Configure List Sweep More 1 of 2 Load Store Goto Row Page Down Page Up Press this softkey to view the previous page of list sweep points when you are in the Configure...

Страница 269: ...ng of the following one point at the maximum specified frequency with an amplitude of 135 dBm and a dwell time of 2 ms Be certain that you want to delete the current sweep list you cannot recover the information once you press Preset List Softkey Location Press Sweep List Configure List Sweep More 1 of 2 Preset List Single Sweep Press this softkey to arm the sweep The ARMED annunciator will turn o...

Страница 270: ...ternal non volatile memory Press Store To File and you will automatically enter the editing mode to create a file name The file name can consist of up to 23 alpha numeric and special characters The following steps show you how to create the following example file name FREQ 1453 TO 1465 MHZ NOTE The following example uses softkeys to enter the file name You can also use a combination of the front p...

Страница 271: ...quency only amplitude only or both frequency and amplitude You can also choose to turn off all sweep functions Softkey Location Press Sweep List Sweep Status after Normal Preset Off SCPI Commands SOURce FREQuency MODE CW FIXed LIST SOURce FREQuency MODE SOURce POWer MODE FIXed LIST SOURce POWer MODE Sweep Direction Down Up This softkey changes the direction of the sweep Choose Up to sweep from the...

Страница 272: ...ge of a signal supplied to the TRIGGER IN connector or triggering by the front panel Trigger key Softkey Location Press Sweep List More 1 of 2 Sweep Trigger Status after Normal Preset Immediate SCPI Commands TRIGger SEQuence SOURce BUS IMMediate EXTernal KEY TRIGger SEQuence SOURce Sweep Type List Step This softkey toggles the sweep type from list sweep to step sweep You create a list sweep by sup...

Страница 273: ...FM ΦM and LF Out Conversely if the Trigger In Slope Neg Pos softkey is toggled in the swept sine AM FM ΦM or LF Out menus it will cause the sweep or point trigger softkeys to toggle also Softkey Location Press Sweep List More 1 of 2 Sweep Trigger Ext Trigger In Polarity Neg Pos or press Sweep List More 1 of 2 Point Trigger Ext Trigger In Polarity Neg Pos Status after Normal Preset Pos SCPI Command...

Страница 274: ...r the point trigger and low 0 V when the dwell is over or when the point trigger is received Setting Trigger Out Polarity Neg Pos to Neg reverses the polarity where a high is 0 V and a low is 5 V This softkey is coupled to the Trigger Out Polarity Neg Pos softkey in the swept sine AM FM ΦM and LF Out menus When the polarity is toggled for this softkey in any one of these menus it affects all locat...

Страница 275: ...5 166 Hardkey and Softkey Reference Sweep List ...

Страница 276: ...ed if Sweep Trigger is not set to Immediate Also under these conditions the Trigger key has autorepeat capability Hold it down and it will repeatedly trigger the consecutive points in the sweep The Trigger key can start a single sweep of swept sine amplitude frequency or phase modulation under the following conditions Trigger Key is selected in the AM FM or ΦM Sweep Trigger menu Swept sine AM FM o...

Страница 277: ... these conditions the Trigger key has autorepeat capability Hold it down and it will repeatedly trigger the sweep This has the effect of stopping the current sweep before it finishes when the key repeat is detected SCPI Commands TRIGger SEQuence IMMediate ...

Страница 278: ... This softkey lets you specify that all types of files including instrument state files binary user data and the current sweep list are to be listed on the display when Memory Catalog is selected Catalog type is a persistent state it is not changed by an instrument preset or by a power cycle Softkey Location Press Utility Memory Catalog Catalog Type All SCPI Commands MEMory CATalog ALL ...

Страница 279: ...ixels Screen Test Brightness Use this softkey to adjust the display brightness intensity The display is set to maximum brightness at the factory To change the brightness press Utility Display Brightness The current value shown in the active entry area is a relative value for brightness Increasing the number increases the brightness decreasing the number decreases the brightness You can adjust the ...

Страница 280: ...o delete any messages that are stored in the error message queues There are separate error queues for front panel operation and for SCPI Pressing this softkey clears both You cannot recover from this action once the messages are deleted they are permanently gone When the error message queue is empty the ERR annunciator is turned off Softkey Location Press Utility Error Info Clear Error Queue s IEE...

Страница 281: ...in that position The Clear Text softkey in the Editing Keys menu deletes all of the existing text in the active entry area Use the left and right arrow keys to position the cursor Use the front panel knob or the direct editing softkeys to enter an alphabetic character numeral or special character When you have entered the new file name press the Enter terminator softkey If you have changed your mi...

Страница 282: ...ist files in the displayed catalog of files You will then confirm that you want to delete all of the list files in memory Press the Confirm Delete Of List Files terminator softkey and all of the list files are deleted You cannot recover the files after this step If you have changed your mind and do not wish to delete the file press the Return front panel hardkey instead Softkey Location Press Util...

Страница 283: ... mind and do not wish to delete the file press the Return front panel hardkey instead Softkey Location Press Utility Memory Catalog Delete File SCPI Commands MEMory DELete NAME filename Diagnostic Info Press this softkey for a display of diagnostic information about the signal generator This information included in the display is Instrument model Instrument options Instrument serial number Current...

Страница 284: ...a file name that you have subsequently entered and you can toggle the editing mode from inserting text to replacing text Softkey Location Press Utility Memory Catalog Copy File Editing Keys Editing Mode Insert Replace Press this softkey to toggle the editing mode from inserting text to replacing text Insertion mode causes text to be entered in the position directly to the right of the cursor Repla...

Страница 285: ...ment Info Help Mode Help Mode Single Cont SCPI Commands SYSTem HELP MODE SINGle CONTinuous SYSTem HELP MODE HP8648A B C D This softkey is one of the choices in both the Preset Language menu and the Remote Language menu The HP8648A B C D softkey is a language choice for the signal generator that is compatible with the remote language commands used by the HP 8648A B C D Choosing HP8648A B C D in the...

Страница 286: ...B ADDRess HP IB RS 232 Pressing this softkey reveals a menu of choices for HP IB and RS 232 configuration In this menu you have the following options Change the HP IB address of the signal generator Change the remote language of the signal generator Set the baud rate for the RS 232 serial port AUXILIARY INTERFACE connector Reset the RS 232 serial I O Turn the RS 232 echo on or off Set the RS 232 h...

Страница 287: ...this softkey to toggle inverse video on light text on a dark background Inverse video is a persistent state it is not affected by an instrument preset or by a power cycle Softkey Location Press Utility Display Inverse Video Off On SCPI Commands DISPlay INVerse ON OFF 1 0 DISPlay INVerse List This softkey lets you specify that only sweep list files are to be listed on the display when Memory Catalo...

Страница 288: ...menus When the modulation status is set to off the information about the status of all the modulations is never displayed Softkey Location Press Utility Instrument Info Help Mode Mod Status Info Off On Status after Normal Preset On Off Press this softkey to turn the RTS line off In this mode the instrument will ignore the state of the CTS line 3 wire connection This setting is not compatible with ...

Страница 289: ... the choice between factory and user defined preset with the Preset Normal User softkey The power on state is a persistent state it is not affected by an instrument preset or by a power cycle Softkey Location Press Utility Power On Preset Power On Last Preset SCPI Commands SYSTem PON TYPE PRESet LAST SYSTem PON TYPE Power On Preset Pressing this softkey reveals a menu of choices for preset conditi...

Страница 290: ...e implementation of some features so that this signal generator can be compatible with systems that use those instruments Refer to the programming guide for specifics on which commands are implemented The preset language is a persistent state it is not affected by an instrument preset or by a power cycle Softkey Location Press Utility Power On Preset Preset Language SCPI Commands SYSTem PRESet LAN...

Страница 291: ...early full When the system is ready to receive further input an Xon character is sent to the transmitting device Xon pacing is not recommended if binary data will be queried from the signal generator via RS 232 Toggle Receive Pace None Xon to None to turn off Xon pacing Pace is a persistent state it is not affected by an instrument preset or by a power cycle Softkey Location Press Utility HP IB RS...

Страница 292: ...age You can choose between SCPI which is the language chosen for the signal generator for remote implementation of all features HP 8648 compatible and four versions of HP 8656 57 compatible languages The HP 8648 and 8656 67 compatible languages are provided for remote implementation of some features so that this signal generator can be compatible with systems that use those instruments Refer to th...

Страница 293: ...s locked However any command sent over HP IB will reset the RPP circuit and return you to normal signal generator operation This mode is provided for compatibility with systems that use the HP 8648 It is only available when you have selected HP8648A B C D remote language At all other times reverse power protection is set to Normal Operate in this mode with caution Repeatedly tripping the RPP can c...

Страница 294: ...mands SYSTem COMMunicate SERial BAUD number SYSTem COMMunicate SERial BAUD RS 232 Echo Off On This softkey toggles the echo function on and off for the RS 232 serial port AUXILIARY INTERFACE connector When echo is set to on every character sent to the signal generator is immediately sent back No editing capability is available Echo is a persistent state it is not affected by an instrument preset o...

Страница 295: ...e CTS line hardware handshaking The signal generator monitors CTS and suspends transmission if this line transitions to its logically low state Up to 16 characters may still be transmitted after the low transition The signal generator will drop RTS if its receive buffer is nearly full RTS will be raised again when there is sufficient room in the buffer This setting is not compatible with an HP 833...

Страница 296: ...s softkey to establish your user defined preset state Set up all of the instrument state conditions that you want for your unique preset state When you have defined the instrument state to suit your needs press Save User Preset Only one user defined preset state is allowed so when you save the instrument state you will save over any previously saved state Your instrument state will be recalled by ...

Страница 297: ...r press Utility HP IB RS 232 Remote Language SCPI SCPI Commands SYSTem PRESet LANGuage SCPI SYSTem PRESet LANGuage SYSTem LANGuage SCPI SYSTem LANGuage Screen Saver Delay This softkey sets the period of time before the screen saver is activated The screen saver delay is set to 1 hour at the factory You can change the delay by pressing Utility Display Screen Saver Delay The current value for delay ...

Страница 298: ...y is turned off after a period of time with no input from the front panel The display turns back on when any front panel key is pressed The screen saver is set to Off at the factory You can turn it on by pressing Utility Display Screen Saver Each time you press Screen Saver Off On the selection toggles between Off and On You can adjust the screen saver mode to turn the light on and off or to turn ...

Страница 299: ...Hz steps This ratio only applies when you have a function active that has an associated increment value To change the step knob ratio press Utility Instrument Adjustments Step Knob Ratio The number displayed in the active entry area represents the arrow keys step size in the ratio To enter a new value rotate the front panel knob until the desired value is displayed use the up and down arrow keys o...

Страница 300: ...is turned on in the display you have at least one error message stored in the error message queue Use this softkey to display the first error message in the queue The first error message is the oldest error There may be more than one error message in the queue the number of error messages is displayed along with the first message If there is more than one message continue pressing this softkey to ...

Страница 301: ...s in order of newest to oldest Press any front panel key to remove the error message from the display and return to normal signal generator operation Softkey Location Press Utility Error Info View Previous Error Message White Pixels Screen Test This softkey is provided for factory use in testing the display Pressing this softkey sets all of the pixels on the display to white Pressing the front pan...

Страница 302: ... This chapter describes the options that can be ordered for your signal generator at the time of shipment the options that can be retrofitted to your existing signal generator and the upgrades and the accessories that you can order ...

Страница 303: ...anges and the necessary hardware to rack mount the signal generator in an HP System II or System II Plus cabinet Instructions for assembling the parts are included with the kit To order this kit after receipt of your signal generator order HP part number 5063 9214 Rack Mount Flanges with Handles Option 1CP This kit contains two handles two flanges and the necessary hardware to rack mount the signa...

Страница 304: ...oved specifications over the standard assembly including warranted specifications for aging rate The aging rate specification is typical for the standard assembly Refer to Chapter 9 Specifications for more information Delete Standard Manual Set Option 0B0 All instruments are supplied with one complete manual set HP part number E4400 90075 which includes the following documents User s Guide HP part...

Страница 305: ...number E4400 90075 NOTE Service documentation is not part of the standard manual set The service documentation is available as Options 0BW 0BV and 0BX Assembly Level Service Guide Option 0BW All instruments are supplied with one complete manual set HP part number E4400 90075 which includes the following documents User s Guide HP part number E4400 90076 Programming Guide HP part number E4400 90077 ...

Страница 306: ...Guide HP E4400 90076 Programming Guide HP part number E4400 90077 Quick Reference Guide HP part number E4400 90078 Calibration Guide HP part number E4400 90079 If you order Option 0BX at the point of sale you will also receive the service guide HP part number E4400 90008 and the component level information package HP part number E4400 90015 These documents provide you with the information required...

Страница 307: ...esting HP part number E4400 90022 This document is not free of charge when you order it after shipment of your signal generator User s Guide German Option ABD In addition to the standard English language manual set if you order Option ABD at the point of sale you will receive at no charge a subset of the user s guide translated into German After shipment of your order you can order additional copi...

Страница 308: ... if you order Option ABJ at the point of sale you will receive at no charge a subset of the user s guide translated into Japanese After shipment of your order you can order additional copies of this document by requesting HP part number E4400 90025 This document is not free of charge when you order it after shipment of your signal generator ...

Страница 309: ...e interface is an accessory to the signal generator consisting of a keypad which is connected by a 1 meter cable to the AUXILIARY INTERFACE rear panel connector RS 232 This keypad lets you recall instrument states This is the same recall function provided by the front panel keys The remote interface is a convenient accessory for use in production environments where multiple instrument states are r...

Страница 310: ...oading the firmware are included To order this kit request HP part number E4400 60046 Firmware Upgrade Kit with Documentation This kit contains the latest firmware available for the signal generator Disks are provided in the kit in both DOS and UNIX formats Instructions for downloading the firmware are included In addition the standard documentation set for the signal generator is provided To orde...

Страница 311: ...6 10 Options and Accessories Upgrade and Retrofit Kits ...

Страница 312: ...7 1 7 Operation This chapter is reserved for future use ...

Страница 313: ...7 2 Operation ...

Страница 314: ...8 1 8 Safety and Regulatory This chapter provides product warranty information regulatory declarations and explanations of caution and warning statements marked on the instrument ...

Страница 315: ...a procedure that if not correctly performed or adhered to would result in damage to or destruction of the product Do not proceed beyond a caution sign until the indicated conditions are fully understood and met 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...

Страница 316: ...ry for the user to refer to the instructions in the manual The CE mark is a registered trademark of the European Community if accompanied by a year it is the year when the design was proven The CSA mark is the Canadian Standards Association safety mark This symbol is used to mark the on position of the power line switch This symbol is used to mark the standby position of the power line switch This...

Страница 317: ...G No operator serviceable parts inside Refer servicing to qualified personnel To prevent electrical shock do not remove covers CAUTION Always use the three prong AC power cord supplied with this product Failure to ensure adequate earth grounding by not using this cord may cause product damage ...

Страница 318: ...sted in accordance with IEC Publication 1010 Safety Requirements for Electronic Measuring Apparatus and has been supplied in a safe condition The instruction documentation contains information and warnings which must be followed by the user to ensure safe operation and to maintain the product in a safe condition ...

Страница 319: ...rd 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 firmware will be uninterrupted or error free LIMITATION OF WARRANTY The foregoing warranty shall not apply to defects resulting from improper or inadequate maintenance by Buyer Buyer supplied software...

Страница 320: ...duct maintenance agreements and other customer assistance agreements are available for Hewlett Packard products For any assistance contact your nearest Hewlett Packard sales and service office Refer to the list of sales and service offices in Chapter 3 ...

Страница 321: ...at the time of shipment from the factory Hewlett Packard further certifies that its calibration measurements are traceable to the United States National Institute of Standards and Technology to the extent allowed by the Institute s calibration facility and to the calibration facilities of other International Standards Organization members ...

Страница 322: ...8 9 Safety and Regulatory Declaration of Conformity Declaration of Conformity ...

Страница 323: ...re that this instrument is in conformance with the German Regulation on Noise Declaration for Machines Laermangabe nach der Maschinenlaermrerordnung 3 GSGV Deutschland Acoustic Noise Emission Geraeuschemission LpA 70 dB LpA 70 dB Operator position am Arbeitsplatz Normal position normaler Betrieb per ISO 7779 nach DIN 45635 t 19 ...

Страница 324: ...9 1 9 Specifications This chapter lists the specifications and supplemental characteristics for the HP ESG Series Signal Generators whose serial prefixes are listed on the title page ...

Страница 325: ... s entire operating and environmental range while in phase noise mode 2 unless otherwise noted Supplemental characteristics shown in italics and denoted typical or nominal provide additional non warranted information useful in applying the signal generator Frequency Range HP ESG 1000A 250 kHz to 1000 MHz HP ESG 2000A 250 kHz to 2000 MHz HP ESG 3000A 250 kHz to 3000 MHz HP ESG 4000A 250 kHz to 4000...

Страница 326: ...e 250 MHz or within 100 Hz below 250 MHz Phase Offset Phase is adjustable via HP IB or from the front panel in nominal 0 1 degree increments Frequency Bands Band Frequency Range N 1 250 kHz to 249 999 MHz 1 2 249 999 to 500 MHz 0 5 3 500 MHz to 1 GHz 1 4 1 to 2 GHz 2 5 2 to 4 GHz 4 Operating Modes Frequency Step Amplitude Step and Arbitrary List Dwell Time 1 ms to 60 s Number of Points 2 to 401 ...

Страница 327: ...45 days Temperature 0 to 55 C 1 ppm 0 05 ppm typical Line Voltage 0 1 ppm 5 10 0 002 ppm typical 5 10 Timebase Reference Output Frequency 10 MHz Amplitude 0 35 Vrms into 50Ω load External Reference Input Frequency 1 2 5 10 MHz typically 10 ppm typically 1 ppm Opt 1E5 Amplitude 0 15 Vrms Input Impedance 50Ω Range 250 kHz to 1000 MHz 13 to 136 dBm 1000 MHz to 3000 MHz 10 to 136 dBm 3000 MHz to 4000 ...

Страница 328: ...ld Level Range 250 kHz to 1000 MHz 23 dB 1000 MHz to 3000 MHz 20 dB 3000 MHz to 4000 MHz 17 dB Level Accuracy1 1 For 23 5 C Accuracy degrades by 0 02 dB per degree C over the full temperature range and by 0 3 dB above 7 dBm 7 to 127 dBm 127 dBm 250 kHz to 2 GHz 0 5 dB 1 5 dB 2 to 4 GHz 0 9 dB 2 5 dB ...

Страница 329: ...cal When Using Power Search 210 ms typical Reverse Power Protection1 1 The reverse power protection circuitry triggers at nominally 1 watt 250 kHz to 2000 MHz 50 watts 2000 MHz to 4000 MHz 25 watts Maximum DC Voltage 50 V SWR typical 250 kHz to 2000 MHz 1 4 1 2000 to 4000 MHz 1 9 1 Output Impedance 50Ω ...

Страница 330: ... Sideband Phase Noise at 1 GHz SSB Phase Noise typical at 20 kHz offset at 500 MHz 120 dBc Hz at 1000 MHz 116 dBc Hz at 2000 MHz 110 dBc Hz at 3000 MHz 104 dBc Hz at 4000 MHz 104 dBc Hz Residual FM CW mode 0 3 to 3 kHz BW CCITT rms Phase Noise Mode 1 N x 2 Hz Phase Noise Mode 2 N x 4 Hz Harmonics 4 dBm output level 30 dBc ...

Страница 331: ...ly is 60 dBc between 225 and 249 999 MHz Specifications apply for FM deviations 100 kHz and are not valid for ΦM At Offsets 3 kHz 10 kHz typical 250 kHz to 1000 MHz 65 dBc 75 dBc 1000 to 2000 MHz 59 dBc 69 dBc 2000 MHz 53 dBc 33 dBc Subharmonics 1000 MHz None 1000 MHz 40 dBc Maximum Deviation N x 10 MHz Resolution 0 1 of deviation or 1 Hz whichever is greater Deviation Accuracy 3 5 of FM deviation...

Страница 332: ...o 100 kHz dc 5 Hz to 1 MHz 1 Since the internal modulation source operates over 0 1 Hz to 50 kHz FM rates above 50 kHz must be supplied externally Carrier Frequency Accuracy Relative to CW in DCFM1 1 At the calibrated deviation and carrier frequency within 5 C of ambient temperature at time of user calibration 0 1 of set deviation N x 1 Hz Distortion 1 kHz rate THD Deviations N x 100 kHz 1 Externa...

Страница 333: ...ion less than FM 1 Maximum Deviation N x 90 radians Resolution 0 1 of set deviation Deviation Accuracy 1 kHz rate 5 of deviation 0 01 radians Modulation Frequency Response Phase Modulation Mode Maximum Deviation Rates 3 dB BW ΦM1 ΦM2 Normal N x 90 radians dc 100 kHz dc 100 kHz High Bandwidth N x 2π radians dc 1 5 MHz typical dc 0 9 MHz typical N x π 2 radians dc 4 MHz typical dc 1 MHz typical Dist...

Страница 334: ...aximum rate of 1 MHz The ΦM 2 path must be set to a deviation less than ΦM 1 Range envelope peak maximum specified power 0 to 100 Rates 3 dB bandwidth dc 10 Hz to 10 kHz Resolution 0 1 Accuracy 1 kHz rate 5 of setting 1 Distortion 1 kHz rate THD 30 AM 1 5 90 AM 4 External Inputs Ext 1 or Ext 2 Sensitivity 1 Vpk for indicated depth Input Impedance 50Ω nominal Paths AM 1 and AM 2 are summed internal...

Страница 335: ...ors Specifications Pulse Modulation On Off Ratio 3 GHz 80 dB 3 GHz 60 dB Rise Fall Times 150 ns typical Minimum Width ALC On 2 µs typical ALC Off 0 4 µs typical Pulse Repetition Frequency ALC On 10 Hz to 250 kHz typical ALC Off dc to 1 0 MHz typical ...

Страница 336: ...execution of power search With ALC on specifications apply for repetition rates 10 kHz and pulse widths 5 µs External Input Ext 2 Input Voltage RF On 0 5 V nominal RF Off 0 5 V nominal Input Impedance 50Ω nominal Internal Pulse Generator Squarewave Rate 0 1 Hz to 50 kHz Period 16 µs to 30s Width 8 µs to 30s Resolution 4 µs Waveforms Sine Square Ramp Triangle and Noise Rate Range Sine 0 1 Hz to 50 ...

Страница 337: ...g Modes Triggered or Continuous Sweeps Frequency Range 0 1 Hz to 50 kHz Sweep Time 1 ms to 65s Resolution 1 ms Dual Sinewave Mode Frequency Range 0 1 Hz to 50 kHz Amplitude Ratio 0 to 100 Resolution 0 1 Amplitude 0 to 3 Vpk into 50Ω Output Impedance 1Ω Modulation Types Ext 1 FM ΦM and AM Ext 2 FM ΦM AM and Pulse High Low Indicator 100 Hz to 10 MHz BW AC coupled inputs only Indicator is activated w...

Страница 338: ...Compliant The HP ESG Series RF signal generators are manufactured in an ISO 9001 registered facility in concurrence with Hewlett Packard s commitment to quality Interface HP IB IEEE 488 2 1987 with Listen and Talk RS 232 Control Languages SCPI version 1992 0 also compatibile with HP 8656B and 8657A B C D J1 mnemonics 1 HP ESG series does not implement HP 8657A B Standby or On R0 or R1 respectively...

Страница 339: ...ference meets MIL STD 461B RE02 Part 2 and CISPR 11 Leakage is typically 1 µV nominally 0 1 µV with a 2 turn loop at 1000 MHz measured with a resonant dipole antenna one inch from any surface with output level 0 dBm all inputs outputs properly terminated Storage Registers Up to 100 storage registers with sequence and register number displayed Up to 10 sequences available Weight 12 7 kg 28 lb net 2...

Страница 340: ...el Information Package 0BW Add Service Documentation Assembly Level Repair 0BX Add Service Documentation and Component Level Information Package 1CM Rack Flange Kit without handles 1CN Front Handle Kit 1CP Rack Flange Kit with handles 1E5 Add High Stability timebase 1EM Move All Front Panel Connectors to Rear Panel W30 Three Year Warranty ...

Страница 341: ...9 18 Specifications HP ESG Series Signal Generators Specifications ...

Страница 342: ...me softkey 5 9 AM sweep trigger bus 5 12 5 33 external 5 12 immediate 5 16 trigger key 5 19 5 51 5 114 AM Sweep Trigger softkey 5 10 5 76 5 104 AM Tone 1 Rate softkey 5 10 5 45 AM Tone 2 Rate softkey 5 11 AM Waveform softkey 5 11 Ampl hardkey 5 21 Ampl Offset softkey 5 22 Ampl Ref Off On softkey 5 23 Ampl Ref Set softkey 5 22 Ampl softkey 5 148 Ampl Start softkey 5 148 Ampl Stop softkey 5 149 ampl...

Страница 343: ...e List Step softkey 5 151 E echo on off 5 185 Edit Item softkey 5 152 Editing Keys softkey 5 143 5 175 Editing Mode Insert Replace softkey 5 144 5 175 electrical requirements 1 5 environmental requirements 1 5 ERR annunciator 4 9 Error Info softkey 5 175 error messages desription 3 5 front panel error queue 3 5 querying the error queue 3 7 SCPI remote interface error queue 3 5 SCPI standard 3 10 e...

Страница 344: ...176 high stability timebase add option 6 3 Hold hardkey 4 5 5 63 HP sales and service offices 3 51 HP8648A B C D softkey 5 176 HP IB address 1 7 HP IB Address softkey 5 177 HP IB connector 4 11 HP IB RS 232 softkey 5 177 humidity requirements 1 5 I IEC Publication 1010 8 5 Immediate softkey 5 16 5 47 5 70 5 110 5 156 Incr Set hardkey 4 6 5 65 increment setting 5 65 Insert Item softkey 5 156 Insert...

Страница 345: ...Korean 6 6 add user s guide Spanish 6 6 add user s guide Taiwanese 6 5 connectors moved to rear panel 6 3 delete manual set 6 3 front handles 6 2 high stability timebase 6 3 rack mount flanges with handles 6 2 rack mount flanges without handles 6 2 three year warranty 6 2 W30 6 2 output frequency 5 59 power 5 27 specifications 9 4 OVEN COLD annunciator 4 9 P pace 5 185 Page Down softkey 5 159 5 17...

Страница 346: ...eq softkey 5 135 5 145 serial number 5 174 shipment checking 1 2 verification list 1 3 signal generator instrument specific er rors 3 30 simultaneous modulation specifica tions 9 15 Sine softkey 5 17 5 48 5 82 5 111 Single Sweep softkey 5 160 softkey descriptions 5 1 softkey labels 4 8 softkeys Points 5 147 ΦM Dev 5 95 ΦM Dev couple Off On 5 97 ΦM Dual Sine Ampl Ratio 5 97 ΦM Off On 5 98 ΦM Path 1...

Страница 347: ... 159 5 179 Page Up 5 159 5 180 Point Trigger 5 160 Power On Last Preset 5 180 Power On Preset 5 180 Power Search Manual Auto 5 25 Preset Language 5 181 Preset List 5 160 Preset Normal User 5 181 Pulse 5 81 Pulse Off On 5 129 Pulse Rate 5 129 5 130 Pulse Source 5 131 Ramp 5 17 5 48 5 81 5 111 Recall Ref Osc Setting 5 182 Recall Reg 5 134 Receive Pace None Xon 5 182 Ref Osc Coarse 5 183 Ref Osc Fine...

Страница 348: ...r softkey 5 163 Sweep Type List Step softkey 5 163 Sweep List hardkey 5 147 Swept Sine softkey 5 18 5 49 5 83 5 112 T T annunciator 4 10 temperature requirements 1 5 text area 4 8 three year warranty add option 6 2 Tirgger In Polarity Neg Pos softkey 5 164 Tirgger Out Polarity Neg Pos softkey 5 165 transit case 6 8 Transmit Pace None Xon softkey 5 191 Triangle softkey 5 18 5 49 5 83 5 112 Trigger ...

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