Agilent Technologies HP 83711A User Manual Download

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Service

Guide

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part

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83711-90134).

8-4

Summary of Contents for HP 83711A

Page 1: ...at previously shipped under the Hewlett Packard company brand name The brand name has now been changed to Agilent Technologies The two products are functionally identical only our name has changed The...

Page 2: ...950 Japan tel 81 426 56 7832 fax 81 426 56 7840 Australia tel 1 800 629 485 fax 61 3 9210 5947 Asia Call Center Numbers Country Phone Number Fax Number Singapore 1 800 375 8100 65 836 0252 Malaysia 1...

Page 3: ...User s Guide HP 83711A 12A and HP 83711B 12B Synthesized CW Generators...

Page 4: ...es of merchantability and tness for a particular purpose Hewlett Packard shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing pe...

Page 5: ...ten to accommodate the novice and the expert user If you are unfamiliar with the synthesizer Chapter 2 Performing Fundamental Synthesizer Operations is useful If you are familiar with the synthesizer...

Page 6: ...Synthesizer at a Glance The following gure and accompanying text explains some features of the HP 83711A and HP 83711B The HP 83712A andHP 83712B are nearly identical HP 83711B Synthesized CW Generato...

Page 7: ...that is over one of the digits in the display either to the right or left when pressed The digit that is under the cursor will be modi ed when the knob is rotated If no cursor appears in the display p...

Page 8: ...nt and rear panel For example you turn to this chapter for information on the RF connectors Chapter 6 Keys Shifted Functions contains entries on the function of each key on the synthesizer front panel...

Page 9: ...e and Recall Synthesizer States 2 8 Programming Example 2 9 To Read the Contents of the Error Queue 2 10 Programming Example 2 11 To Set the HP IB Address 2 12 Programming Example 2 12 If You Encounte...

Page 10: ...Timebase 4 20 Option 1E8 1 Hz Frequency Resolution 4 20 Option 1E9 3 5 mm RF Output Connector 4 21 Mechanical Options 4 21 Option 1CM Rack Mount Kit 4 21 Option 1CP Rack Mount and Handle Kit 4 21 Opt...

Page 11: ...d Functions 6 3 Equivalent SCPI Command 6 4 See Also 6 4 6 5 Equivalent SCPI Command 6 6 See Also 6 6 6 7 Equivalent SCPI Commands 6 7 See Also 6 8 6 9 Equivalent SCPI Commands 6 9 See Also 6 10 ADDRE...

Page 12: ...ower Meter Leveling 6 23 Equivalent SCPI Commands 6 24 See Also 6 24 FREQ 6 25 Equivalent SCPI Command 6 26 See Also 6 26 INT LEVEL 6 27 Advantages of Internal Leveling 6 28 Disadvantages of Internal...

Page 13: ...48 Equivalent SCPI Command 6 48 See Also 6 48 SAVE 6 49 Equivalent SCPI Command 6 49 See Also 6 49 SAVE CR 6 50 Equivalent SCPI Command 6 51 See Also 6 51 SHIFT 6 52 Equivalent SCPI Command 6 52 See A...

Page 14: ...mand 7 8 See Also 7 9 PWR MTR ADDRS 7 10 Equivalent SCPI Command 7 11 See Also 7 11 PWR MTR SELECT 7 12 Equivalent SCPI Command 7 12 See Also 7 13 REMOTE LANGUAGE 7 14 Equivalent SCPI Command 7 14 See...

Page 15: ...ls 9 3 Miscellaneous Symbols 9 4 Safety Considerations 9 5 Before Applying Power 9 5 Safety Earth Ground 9 5 Cleaning the Product 9 6 Certi cation 9 7 Warranty 9 8 Limitation of Warranty 9 8 Exclusive...

Page 16: ...with High Stability Timebase Option 1E5 4 8 4 6 Typical Maximum Available Output Power from 1 to 20 GHz at 25 C with Output Step Attenuator Option 1E1 Installed 4 10 4 7 Typical Maximum Available Outp...

Page 17: ...Contents 6 1 External Diode Detector Leveling Setup 6 17 6 2 External Power Meter Leveling Setup 6 21 Contents 9...

Page 18: ...83711B only 4 6 4 3 O sets HP 83712A only 4 13 4 4 O sets HP 83712B only 4 13 5 1 HP IB Interface Cables Available 5 8 6 1 PRESET Conditions 6 43 7 1 Service Related Special Functions 7 17 9 1 Hewlet...

Page 19: ...1 Installing and Verifying the Synthesizer...

Page 20: ...lling and Verifying the Synthesizer This chapter contains procedures for properly installing your HP 83711A 12A or HP 83711B 12B synthesizer and procedures for functional veri cation of the instrument...

Page 21: ...uch 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 inspect each item for...

Page 22: ...Calibration Guide 83731 90125 Calibration Kit 5063 1635 Calibration Guide 83731 90125 Calibration Software 5010 7723 Also includes one of the following Handle Kit 5062 3989 standard Rack Mount Kit 50...

Page 23: ...contact has been removed C A U T I O N 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 2...

Page 24: ...ble to a suitable mains power receptacle 6 Set the POWER switch LINE on an HP 83711A 12A to on When you turn the synthesizer on the displays and annunciators light momentarily and the ventilation fan...

Page 25: ...L5 key b Press 455 on the synthesizer numeric keypad c Terminate the special function entry by pressing the 4Hz5 ENTER key The display will read SELF TEST PRESS ENTER 2 Press the ENTER key again to in...

Page 26: ...ewlett Packard o ce for assistance N O T E When transporting the product use original packaging or comparable only Mechanical or Electrical Damage If the instrument is mechanically or electrically dam...

Page 27: ...nthesizer line fuse is not open W A R N I N G For continued protection against re hazard replace line fuse only with same type and ratings type nA nV The use of other fuses or materials is prohibited...

Page 28: ...Packard o ce for service if necessary If the display lights but the ventilation fan does not start Check that the fan is not stuck To check the fan follow these steps 1 Set the POWER switch LINE on a...

Page 29: ...away after a short warm up period If the synthesizer MSG annunciator is on there is a problem with the synthesizer To determine the error and turn o the MSG annunciator refer to To Read the Contents o...

Page 30: ...Installing and Verifying the Synthesizer...

Page 31: ...2 Performing Fundamental Synthesizer Operations...

Page 32: ...been designed and tested in accordance with IEC Publication 1010 Safety Requirements for Electronic Measuring Apparatus and has been supplied in a safe condition The instruction documentation contains...

Page 33: ...rsor will always appear over one of the digits of the active parameter N O T E Two cursors will appear 9 9 when the cursor is positioned o the display 2 Enter the desired value of the parameter by pre...

Page 34: ...the knob clockwise to increase the parameter or counterclockwise to decrease the parameter When you turn the knob the digit under the cursor increases or decreases in steps of one For example when fr...

Page 35: ...ET5 key When the instrument has been set to the preset state the frequency display indicates the following 3 000000000 GHz where the cursor appears over the third 0 to the right of the decimal b Press...

Page 36: ...ent value or press the 4 5 key to decrease the parameter by the current increment value For example when frequency is in its preset state the frequency display shows the following 3 000000000 GHz wher...

Page 37: ...value entry by pressing the 4MHz5 key When either the 4 5 or 4 5 key is pressed the frequency will be either increased or decreased by 250 MHz instead of 100 MHz N O T E The knob and 4 5 4 5 keys oper...

Page 38: ...Press the 4Hz5 ENTER key to terminate the entry 4 To recall the instrument state from memory press the 4RECALL5 key When 4RECALL5 is pressed the text RECALL STATE FROM REG XX is shown on the synthesi...

Page 39: ...tes Programming Example Use the following commands to store the instrument state to register 9 and then recall it from register 9 OUTPUT 719 SAV 9 Saves the current instrument state to register 9 OUTP...

Page 40: ...pter 8 Chapter 8 is organized in ascending manual error number order 3 Perform the instructions following the error message in the list to correct or clear the error condition After you have completed...

Page 41: ...ay B to accept 160 characters 20 OUTPUT 719 SYST ERR Queries the oldest uncleared error number and message in the HP IB error queue 30 ENTER 719 A B Enters the error number into variable A and the HP...

Page 42: ...izer HP IB address to 12 type 4125 on the numeric keypad The display indicates HPIB ADDRESS 12 4 Terminate the HP IB address entry by pressing the 4Hz5 ENTER key Note that when 4Hz5 ENTER is pressed t...

Page 43: ...he ENTRY OFF function is not enabled The ENTRY OFF function is not enabled when the cursor 9 appears over any of the parameters in the display To return to normal entry mode press the desired function...

Page 44: ...k that the MSG LED annunciator is o If the synthesizer MSG annunciator is on there is a problem with the synthesizer To determine the error and turn o the MSG annunciator refer to To Read the Contents...

Page 45: ...Synthesizer Operations Programming Problems If the synthesizer does not respond to programming commands Refer to the procedure To Set the HP IB Address in this chapter to check and if necessary change...

Page 46: ...Performing Fundamental Synthesizer Operations...

Page 47: ...3 Generating Signals with the Synthesizer...

Page 48: ...iar with the fundamental synthesizer operations Refer to Chapter 2 Performing Fundamental Synthesizer Operations if you are not familiar with these Procedures in this chapter include how to generate C...

Page 49: ...o set the frequency to 2 000203 GHz a Press the 4FREQ5 key b Type 42 0002035 on the synthesizer s numeric keypad c Terminate frequency entry by pressing the 4GHz5 key 3 Set the desired RF output power...

Page 50: ...quency In addition you must supply any cables and adapters necessary to connect the equipment 1 Connect the equipment as shown in Figure 3 1 C A U T I O N Turn o the AC power to the microwave ampli er...

Page 51: ...rce module not the synthesizer RF OUTPUT connector For example if you want to generate a 30 GHz CW only signal perform the following steps a Press the 4FREQ5 key b Type 4305 on the numeric keypad c Pr...

Page 52: ...the microwave ampli er not the synthesizer when adjusting the RF output power For example to set the output power level to 0 dBm press the 4POWER LEVEL5 key and rotate the knob until 0 dBm is shown o...

Page 53: ...the power levels present at the sampling point Detector can be either positive or negative Power Splitter or Directional Coupler Must be speci ed for use at the desired synthesizer output frequency Po...

Page 54: ...hen the 4EXT DIODE5 key is pressed the synthesizer enters the external diode detector leveling mode Power is then held at a constant level at the sampling point regardless of gain changes in the signa...

Page 55: ...nob until the power meter reads 05 dBm disregard the synthesizer power level reading d Disconnect the power meter and sensor from the output and connect the device under test DUT Notes 1 When the 4EXT...

Page 56: ...Use External Diode Detector Leveling Programming Command The following command is related to external diode detector leveling POW ALC SOUR DIOD Enables external diode detector leveling Related T asks...

Page 57: ...ity Power Sensor Must be capable of measuring power at the frequency and level present at the sampling point in the leveling loop Power Splitter or Directional Coupler Must be speci ed for use at the...

Page 58: ...wing procedure to set the power at the sampling point to 017 dBm a Press the 4POWER LEVEL5 key b Rotate the knob on the synthesizer until the power level displayed on the power meter is 017 dBm Disreg...

Page 59: ...s of gain changes in the signal path between the synthesizer RF OUTPUT connector and the sampling point Programming Commands The following commands are related to external power meter leveling POW ALC...

Page 60: ...ta from the power meter and creates a table of correction values for each frequency point the level correction table The level correction table resides in non volatile memory and up to four level corr...

Page 61: ...o set the power meter address to 23 a Press the 4SPCL5 key b Type 4205 on the synthesizer numeric keypad c Press the 4Hz5 ENTER key You will be prompted to enter the power meter address d Type 4235 on...

Page 62: ...start frequency to 3 5 GHz a Type 43 55 on the synthesizer numeric keypad b Terminate the level correct start frequency by pressing the 4GHz5 key Note that the level correct start frequency remains on...

Page 63: ...Type 41005 on the synthesizer numeric keypad b Terminate the number of points entry by pressing the 4Hz5 ENTER key Note that the number of points entry remains on the display after it is terminated so...

Page 64: ...the 4POWER LEVEL5 LVL CR ON OFF key to enable the synthesizer to use the level correct data when determining the output power level When the level correct data has been enabled the LVL CR annunciator...

Page 65: ...er number 2 Enter the desired level correction register number For example use the following procedure to choose level correction register number 2 a Type 425 on the synthesizer numeric keypad b Termi...

Page 66: ...n the level correct table that you wish to recall If the current external signal path is di erent the data can cause inaccurate output power levels at the output of the external signal path 2 Press th...

Page 67: ...Generating Signals with the Synthesizer To Use Previously Stored Level Correct Data Related T asks To Use the Level Correct Routine 3 21...

Page 68: ...ypically less maximum power is available as the synthesizer output frequency is increased If external diode detector leveling or external power meter leveling is being used ensure that the leveling lo...

Page 69: ...e RF Output connector Check that the signal at the RF OUTPUT connector is turned on If the RF OUTPUT connector is turned o the text OFF will be displayed in place of dBm in the right most display If t...

Page 70: ...Generating Signals with the Synthesizer...

Page 71: ...4 Speci cations and Options...

Page 72: ...speci cations and the mechanical electrical warranty and documentation options that are available Speci cations for each instrument appear under the instrument number further on in this chapter The ge...

Page 73: ...n 1 kHz 1 Hz with Option 1E8 Stability with high stability timebase Option 1E5 Aging Rate 1 5210 9 day after 24 hour warm up Temperature E ects 1210 7 over 0 to 55 C nominally 1 4210 9 C Line Voltage...

Page 74: ...with Option 1E1 1020 GHz 11 dBm 10 dBm Figure 4 1 Typical Maximum Available Output Power from 1 to 20 GHz at 25 C with Output Step Attenuator Option 1E1 Installed Minimum Leveled Output Power without...

Page 75: ...degrades speci cation typically by 0 2 dB Flatness 60 5 dB power 090 dBm 60 7 dB power 090 dBm The use of Type N RF connectors above 18 0 GHz degrades speci cation typically by 0 2 dB Level Switching...

Page 76: ...75 079 0101 18 GHz 063 070 073 099 Table 4 2 O sets HP 83711B only Carrier Freq 100 Hz 1 kHz 10 kHz 100 kHz 1 GHz to 2 GHz 073 083 092 0107 2 GHz to 5 GHz 070 078 083 0100 5 GHz to 10 GHz 069 078 082...

Page 77: ...50 dBc at output levels 6 dBm 1 to 20 GHz Figure 4 4 Typical 2nd Harmonic Levels Measured at Output Power of 6 dBm Non Harmonic Spurious 3 kHz 060 dBc includes power supply and frequency synthesis spu...

Page 78: ...s Residual FM At 1 GHz 15 Hz in 50 Hz015 kHz bandwidth Figure 4 5 Typical Residual FM Measured in 50 Hz 15 kHz Bandwidth CW Mode with High Stability Timebase Option 1E5 AM Noise Floor at 0 dBm and o s...

Page 79: ...n 1 kHz 1 Hz with Option 1E8 Stability with high stability timebase Option 1E5 Aging Rate 1 5210 9 day after 24 hour warm up Temperature E ects 1210 7 over 0 to 55 C nominally 1 4210 9 C Line Voltage...

Page 80: ...utput Maximum Leveled Output Power 0 C to 35 C Frequency Standard with Option 1E1 0 0101 GHz 13 dBm 13 dBm 1020 GHz 11 dBm 10 dBm Figure 4 6 Typical Maximum Available Output Power from 1 to 20 GHz at...

Page 81: ...Bm for HP 83712A Display Resolution 0 01 dB Accuracy 0 dBm to speci ed maximum leveled output power 10 MHz to 50 MHz 61 3 dB 50 MHz to 20 GHz 61 0 dB Accuracy over all power levels 10 MHz to 50 MHz 62...

Page 82: ...above 18 0 GHz degrades speci cation typically by 0 2 dB Level Switching Time 17 ms without step attenuator range change Attenuator range changes occur at 01 dBm 011 dBm 021 dBm etc Output SWR 2 0 1...

Page 83: ...GHz 066 074 091 0107 10 GHz 069 075 079 0101 18 GHz 069 070 073 099 Table 4 4 O sets HP 83712B only Carrier Freq 100 Hz 1 kHz 10 kHz 100 kHz 500 MHz to 1 GHz 078 092 0103 0115 1 GHz to 2 GHz 073 083...

Page 84: ...ypical single sideband phase noise at 50 MHz 1 GHz 10 GHz and 20 GHz 25 C CW mode O sets less than 100 Hz require the high stability timebase Option 1E5 Harmonics 055 dBc at output levels 6 dBm 0 01 t...

Page 85: ...Speci cations Figure 4 10 Typical 2nd Harmonic Levels Measured at Output Power of 6 dBm Non Harmonic Spurious 3 kHz 060 dBc includes power supply and frequency synthesis spurious Non Harmonic Spuriou...

Page 86: ...Hz bandwidth Residual FM decreases 6 dB per octave below 1 GHz Figure 4 11 Typical Residual FM Measured in 50 Hz 15 kHz Bandwidth CW mode with High Stability Timebase Option 1E5 AM Noise Floor at 0 dB...

Page 87: ...00 feet 4 572 meters Relative Humidity 80 for temperatures up to 31 C decreasing linearly to 50 relative humidity at 40 C EMC Complies with CISPR Publication 11 1990 Class A Group 1 and MIL STD 461C P...

Page 88: ...l Connectors RF OUTPUT The standard front panel RF OUTPUT connector is a Type N precision connector When Option 1E9 is installed this front panel connector is a 3 5 mm precision connector The nominal...

Page 89: ...xternal high stability timebase Nominal input impedance is 50 10 MHz Output Outputs the 10 MHz reference signal nominally 3 dBm for use as an external reference signal Nominal source impedance is 50 0...

Page 90: ...can select whether or not the step attenuator will automatically switch This function is useful during certain applications such as when external automatic level control is used idxadd high stability...

Page 91: ...instrument rack using the rack mount kit The Rack Mount Kit part number is 5062 3977 Option 1CP Rack Mount and Handle Kit The synthesizer can be mounted to an instrument rack using the rack ange kit I...

Page 92: ...ilable for the synthesizer If the documentation was not ordered with the original shipment and is now desired it can be ordered from the nearest Hewlett Packard o ce using the part numbers included in...

Page 93: ...ion Packet CLIP If Option OBV is ordered the shipment includes a copy of the HP 83711A 12A HP 83711B12B HP 83731A 32A and HP 83731B 32B Synthesized CW Generators Component Level Information Packet Opt...

Page 94: ...Speci cations and Options...

Page 95: ...5 Front Rear Panel...

Page 96: ...l This chapter contains detailed information on various aspects of the synthesizer front and rear panel Information on the synthesizer display front panel connectors power cable etc can be found in th...

Page 97: ...the uorescent display A description of each of the annunciators follows INT ALC This annunciator indicates that internal power leveling is selected DIODE ALC This annunciator indicates that external d...

Page 98: ...ssed to listen accept data or commands TLK This annunciator indicates that the instrument is addressed to talk output data SRQ This annunciator indicates that the instrument is generating a service re...

Page 99: ...Front Rear Panel Annunciators See Also Connectors Display 4EXT DIODE5 4EXT METER5 4INT LEVEL5 4MSG5 MULTIPLIER 4SPCL5 5 5...

Page 100: ...Connectors Figure 5 2 Synthesizer Connectors Front Panel Figure 5 3 Synthesizer Connectors Rear Panel 5 6...

Page 101: ...y standard of the synthesizer The nominal source impedance is 50 ALC IN This front panel BNC connector allows the synthesizer to be externally leveled It is used with external power meter leveling or...

Page 102: ...Details of this cable are shown in Figure 5 4 HP part numbers for various HP IB cables that are available are shown in the table following the gure Figure 5 4 HP IB Connector and Cable Table 5 1 HP I...

Page 103: ...Set the HP IB Address in Chapter 2 for information on setting the synthesizer HP IB address In a two instrument system that uses just one HP IB cable the cable length must not exceed 4 meters 13 2 ft...

Page 104: ...ress if MLA TE0 Talker Extended address no capability L3 Listener capable of basic listener and unaddress if MTA LE0 Listener Extended address no capability SR1 Service Request complete capability RL1...

Page 105: ...izer functions and settings An annunciator that is in uorescent display is not visible if its associated function is not active or selected For example if diode detector leveling is currently selected...

Page 106: ...and power level information to the display As an example if the 4RECALL5 key is pressed the text RECALL STATE FROM REG 0 appears in the display If a cursor 9 appears over one of the digits in the disp...

Page 107: ...carry over to the adjacent digit For example if the display reads 9 000000000 GHz with the cursor over the 9 digit clockwise rotation of the knob will cause the displayed frequency to change to 10 00...

Page 108: ...Front Rear Panel Knob See Also 4 5 4 5 ENTRY OFF SYSTem KEY 5 14...

Page 109: ...make sure that it is grounded through the protective conductor of the power cable to a mains power receptacle provided with protective earth contact Any interruption of the protective grounding condu...

Page 110: ...le this cable grounds the instrument chassis The type of power cable shipped with each instrument depends on the country of destination See Figure 5 6 Power Cable and Line Mains Plug Part Numbers for...

Page 111: ...Front Rear Panel Figure 5 6 Power Cable and Line Mains Plug Part Numbers 5 17...

Page 112: ...Front Rear Panel...

Page 113: ...6 Keys Shifted Functions...

Page 114: ...printed on the keycap and represent the primary function of the key The shifted function names appear above certain keys on the synthesizer front panel Shifted functions are always accessed by pressin...

Page 115: ...ting the knob will have no a ect on the parameter Note that the cursor indicates that particular parameter is active For example if the cursor appears over any digit in the frequency display the frequ...

Page 116: ...unctions Equivalent SCPI Command There is no equivalent SCPI command for the 4 5 key however sending the SYST KEY 45 command is e ectively the same as pressing the 4 5 key See Also 4 5 ENTRY OFF Knob...

Page 117: ...ting the knob will have no a ect on the parameter Note that the cursor indicates that particular parameter is active For example if the cursor appears over any digit in the frequency display the frequ...

Page 118: ...unctions Equivalent SCPI Command There is no equivalent SCPI command for the 4 5 key however sending the SYST KEY 37 command is e ectively the same as pressing the 4 5 key See Also 4 5 ENTRY OFF Knob...

Page 119: ...or the 4SHIFT5 4 5 ENTRY OFF function has been enabled pressing the 4 5 key will have no e ect If the 4 5 key is pressed and held down the key will auto repeat that is the active parameter will automa...

Page 120: ...Keys Shifted Functions See Also 4 5 ENTRY OFF 4STEP SIZE5 6 8...

Page 121: ...or the 4SHIFT5 4 5 ENTRY OFF function has been enabled pressing the 4 5 key will have no e ect If the 4 5 key is pressed and held down the key will auto repeat that is the active parameter will autom...

Page 122: ...Keys Shifted Functions See Also 4 5 ENTRY OFF 4STEP SIZE5 6 10...

Page 123: ...y in the following format HPIB ADDRESS XX where XX is the current HP IB address The range for valid addresses is 00 to 30 The HP IB address is preset at the factory to 19 Pressing the 4PRESET5 key has...

Page 124: ...ssed and before the entry is terminated If 4BACK SPACE5 is pressed repeatedly so that the whole parameter is canceled the display reverts back to what it was before the function key was pressed Equiva...

Page 125: ...hen the display is in the default state the display shows frequency and power level In the display default state no parameters are active To use the ENTER key to return the display to the default stat...

Page 126: ...Keys Shifted Functions ENTER Hz See Also ADDRESS MULTIPLIER PWR MTR ADDRS RCL CR 4RECALL5 SAVE SAVE CR 4SPCL5 SYSTem KEY 6 14...

Page 127: ...ll as the 4 5 4 5 4STEP SIZE5 4 5 and 4 5 keys and the knob Once the ENTRY OFF function has been enabled it will be cancelled as soon as one of the function keys 4FREQ5 4POWER LEVEL5 etc is pressed Eq...

Page 128: ...d in applications where it is desired to level the power at some point outside the synthesizer with an external diode detector When frequency dependent losses are involved the RF output power at the e...

Page 129: ...a DC voltage that is proportional to the power sampled at the input to the detector This DC voltage is fed back to the synthesizer via the ALC IN connector The synthesizer then adjusts its output powe...

Page 130: ...ng point This typically restricts the lower limit at which external diode detector leveling will function Diode detector leveling might not provide an accurate power display on the synthesizer if the...

Page 131: ...DIODE Equivalent SCPI Command POW ALC SOUR DIOD enables external diode detector leveling See Also 4EXT METER5 4INT LEVEL5 SOURce 1 POWer ALC SOURce To Use External Diode Detector Leveling To Use the...

Page 132: ...loop N O T E The range hold power meter reading is the power level that is used by the synthesizer to calibrate the recorder output voltage of the power meter versus the synthesizer output power Exte...

Page 133: ...ires that external equipment be connected to the synthesizer as shown in Figure 6 2 Figure 6 2 External Power Meter Leveling Setup When external power meter leveling is chosen power is sampled at the...

Page 134: ...st be capable of producing a 0 V to 1 V output voltage linearly proportional to power over each decade of range The recorder output of most power meters provides this voltage Power Sensor The power se...

Page 135: ...longer settling time than diode detector or internal leveling The settling time is dependent on the power range and sensor used The synthesizer assumes a settling time of two seconds to allow the sens...

Page 136: ...meter leveling however is a multi step process that involves issuing several commands POW ALC PMET pmeter sets the power meter range hold value as de ned by the pmeter parameter POW ALC SOUR PMET sets...

Page 137: ...0 GHz If a frequency entry is made that is outside the allowable range an error message will be generated and the actual frequency will be set to either its upper or lower limit whichever is closest t...

Page 138: ...e accepted over the entire frequency range 2 If the Multiplier function is being used the frequency displayed is the frequency at the output of the multiplier not the output of the synthesizer Equival...

Page 139: ...brated output level is only guaranteed when the UNLVL annunciator is not lit When the synthesizer UNLVL annunciator lights the knob arrow keys or the numeric keypad can still be used to change display...

Page 140: ...preset state internal leveling is selected over external diode leveling or external power meter leveling Advantages of Internal Leveling Internal leveling is self contained it does not require any ex...

Page 141: ...ted Functions INT LEVEL Equivalent SCPI Commands POW ALC SOUR INT enables internal leveling See Also 4EXT DIODE5 4EXT METER5 4POWER LEVEL5 SOURce 1 POWer ALC To Use the Level Correct Routine in Chapte...

Page 142: ...AL5 key will not remove the instrument from the remote state In this case the only way to return the synthesizer to local operation is either by setting the REN bus control line false or sending the i...

Page 143: ...ne When 4SHIFT5 4INT LEVEL5 LVL CR is pressed the synthesizer initially prompts you for the level correct start frequency When 4SHIFT5 4INT LEVEL5 LVL CR is pressed the text COR START XXXGHZ will be d...

Page 144: ...s the start and stop frequency points The synthesizer uses the start and stop frequency values and number of points and places evenly spaced frequency points in the level correction table Note that if...

Page 145: ...outine and the new level correction table has been generated it is resident in the synthesizer volatile memory Pressing 4PRESET5 will erase the table The table should be stored in one of four level co...

Page 146: ...under the Level Correction Commands tab in Chapter 1 of the HP 83711A 12A and HP 83711B 12B Synthesized CW Generators Programming Guide explain how to load data into level correct tables select table...

Page 147: ...4 dB because there is 4 dB of path loss between the RF OUTPUT connector and the test point Then if 010 dBm is desired at 10 GHz and the level correct function is turned on the synthesizer actually gen...

Page 148: ...able as de ned by the tableno parameter CORR STATe ON OFF turns user corrections on or o CORR CSET STAT ON OFF turns level corrections on or o See Also LVL CR PWR MTR ADDRS RCL CR SAVE CR SOURce 1 COR...

Page 149: ...r is read using the 4MSG5 key it is cleared as long as the error condition no longer exists When the 4MSG5 key is pressed the most recent error in the error queue will be displayed Successive presses...

Page 150: ...nt value is 1 Entering a frequency multiplier value is useful when generating millimeter wave signals with external multiplier equipment The display shows the frequency at the output of the external f...

Page 151: ...eric keypad The synthesizer will try to generate 15 000 000 500 Hz However the resolution of this signal assuming Option 1E8 is not installed is 500 Hz which is ner than the minimum speci ed resolutio...

Page 152: ...y also functions as the units terminator key for dBm and dB The 4Hz5 key functions as the terminator key for entries that are unitless for example multiplier value entries When the numeric keypad is u...

Page 153: ...e synthesizer output power until the UNLVL annunciator lights Power level resolution is 0 01 dB The preset power level value is 0 dBm for standard con guration instruments For instruments with Option...

Page 154: ...ctions POWER LEVEL Equivalent SCPI Command POW level sets the synthesizer output power level as de ned by the level parameter See Also 4EXT DIODE5 4EXT METER5 4INT LEVEL5 SOURce 1 POWer LEVel SOURce 1...

Page 155: ...STATe ON OUTPut PROTection STATe ON POWer LEVel 0 dBm1 Parameter Condition POWer ALC SOURce INT POWer ALC PMETer LEVel 0 dBm POWer ATTenuation AUTO ON POWer PROTection STATe OFF SYSTem COMMunicate GP...

Page 156: ...Keys Shifted Functions PRESET Equivalent SCPI Commands RST sets the synthesizer to a known state or SYST PRES See Also RST SYSTem PRESet 6 44...

Page 157: ...meric key 1 through 4 and terminate the entry by pressing 4Hz5 ENTER the table of level correction data will be recalled from the location indicated by the numeric key pressed If level correction data...

Page 158: ...t SCPI command for the RCL CR function however the SOUR1 CORR CSET SEL command is used to select which level correct table is used to correct power at the synthesizer RF OUTPUT connector See Also LVL...

Page 159: ...ou press a valid numeric key 0 through 9 and terminate the entry the instrument state will be recalled from the location indicated by the numeric key pressed If the instrument state has not been previ...

Page 160: ...lay in place of dBm When the RF output is turned o the internal oscillators are turned o and the internal RF power shutdown circuit is turned on When the synthesizer is set to the preset state the sig...

Page 161: ...h 9 and terminate the entry the instrument state will be saved to the location indicated by the numeric key pressed Saving the instrument state to a given register location will write over any instrum...

Page 162: ...red Once you press a valid numeric key 1 through 4 and terminate the entry by pressing 4Hz5 ENTER the table of level correction data will be saved to the location indicated by the numeric key pressed...

Page 163: ...SCPI command for the SAVE CR function however the MEM TABL FREQ and MEM TABL LOSS MAGN commands can be used to load frequency and correction factor points into a selected level correct table See Also...

Page 164: ...is the alternate function of the 4FREQ5 key Pressing 4SHIFT5 4FREQ5 will enable the frequency multiplier entry mode If the 4SHIFT5 key is pressed prior to pressing a key that has no alternate functio...

Page 165: ...ion or has an associated value If the function has only ON and OFF values it can be changed by pressing the 4SPCL ON5 and 4SPCL OFF5 keys or by pressing the 4ENTER5 key and using the 4 5 and 4 5 keys...

Page 166: ...Y The SPCL OFF key will turn the special function o whether it has been selected via the numeric keypad or by using the knob or 4 5 4 5 keys When the special function has been turned o the word OFF wi...

Page 167: ...Keys Shifted Functions SPCL OFF kHz See Also ATTEN HOLD ON OFF CLEAR DISPLAY 4SPCL5 SPCL ON SYSTem KEY 6 55...

Page 168: ...N key will turn the special function on whether it has been selected via the numeric keypad or by using the knob or 4 5 4 5 keys When the special function has been turned on the word ON will be shown...

Page 169: ...has been enabled you will not be able to change any increment values using the 4STEP SIZE5 key and pressing the 4 5 or 4 5 keys will have no e ect on the active parameter Equivalent SCPI Commands FRE...

Page 170: ...Keys Shifted Functions See Also 4 5 4 5 ENTRY OFF 6 58...

Page 171: ...7 Special Functions...

Page 172: ...ns are hidden during normal synthesizer operation and can only be invoked by pressing the 4SPCL5 key and then entering the special function number or by scrolling through the list with the 4 5 and 4 5...

Page 173: ...ailable if Option 1E1 is installed When 4SPCL5 425 4Hz5 ENTER is pressed the display shows the following ATTEN HOLD XXX where XXX is the current state of the step attenuator ON Locked and OFF Unlocked...

Page 174: ...tenuator keeps the attenuator from switching between the two levels as leveled power is varied above and below the threshold level thus saving wear on the attenuator Refer to the speci cation table in...

Page 175: ...hanges with frequency The minimum dynamic range when the attenuator hold function is on is typically 19 dB N O T E The attenuator hold function on or o will not activate when the synthesizer is in the...

Page 176: ...function is currently o Once the clear display function has been enabled pressing SPCL ON blanks the display and LED annunciators and DISPLAY BLANKED is shown across the display The display state is...

Page 177: ...Special Functions CLEAR DISPLAY Equivalent SCPI Command DISP STAT ON OFF turns the display on or o See Also Display DISPlay WINDow STATe 7 7...

Page 178: ...d and level correction tables are cleared The ERASE MEMORY function does not clear factory calibration data stored in the EEPROM When the ERASE MEMORY function is invoked the display will momentarily...

Page 179: ...Special Functions ERASE MEMORY See Also 4PRESET5 RCL CR 4RECALL5 SAVE SAVE CR MEMory RAM INITialize ALL 7 9...

Page 180: ...synthesizer will use when communicating with the external power meter or when receiving data from the external power meter during the level correct routine The valid power meter address range is 00 to...

Page 181: ...s changes the HP IB address that the synthesizer uses when communicat ing with an external power meter as de ned by the address parameter See Also LVL CR LVL CR ON OFF PWR MTR SELECT RCL CR SAVE CR SY...

Page 182: ...here XXX is the currently selected power meter language HP70100A HP437B HP438A or SCPI Once the power meter select function is enabled you can use the 4 5 or 4 5 keys to choose one of the four power m...

Page 183: ...Special Functions PWR MTR SELECT See Also LVL CR LVL CR ON OFF PWR MTR ADDRS RCL CR SAVE CR To Use the Level Correct Routine in Chapter 3 7 13...

Page 184: ...XX where XXX is the currently selected language SCPI or HP 8673 Once the remote language function is enabled you can use the 4 5 or 4 5 keys to toggle between SCPI or HP 8673 language options When the...

Page 185: ...explain the failures The error messages can then be read either via the front panel or using programming commands If a particular self test segment failure makes running subsequent self test segments...

Page 186: ...nctions SELF TEST Equivalent SCPI Command TST causes the synthesizer to run a functional veri cation self test on itself See Also 4MSG5 SYSTem ERRor To Read the Contents of the Error Queue in Chapter...

Page 187: ...unction can be found in the service manual Table 7 1 Service Related Special Functions Special Function Number Special Function Name Description 60 DIRECT CONTROL Allows direct manipulation of certain...

Page 188: ...ollowing text will be shown on the synthesizer display SW X X SERIAL YYYYYYYYYY where X X is the version number of the software currently installed in the synthesizer and YYYYYYYYYY is the synthesizer...

Page 189: ...8 Error Messages...

Page 190: ...e MSG annunciator turns o will empty the front panel error queue The 4MSG5 key has no a ect on the HP IB error queue Emptying the HP IB error queue has no a ect on the front panel queue therefore it w...

Page 191: ...message Error Message 0 The bold text 0222 Data out of range CW FREQ 2003 is the error message When the 4MSG5 key is pressed the error message is displayed in the left most display The entire message...

Page 192: ...tes 1 For more information related to error messages refer to To Read the Contents of the Error Queue in Chapter 2 or the MSG reference entry in Chapter 6 of this manual and the SYSTem ERRor reference...

Page 193: ...the controller attempts to read query response data 0410 0410 Query INTERRUPTED 0410 Check the HP IB controller program to see if the controller is programmed to read the entire query response data b...

Page 194: ...t a macro label in the DMC command could no be de ned because the macro label was already de ned 0276 0276 Macro recursion error 0276 The nesting recursion of macros is deeper than 4 levels Don t use...

Page 195: ...d hardware does not exist in the synthesizer Use OPT to check which options are installed 0240 0240 Hardware error 0240 The remote command or query could not be executed because of a hardware error 02...

Page 196: ...r ignored 0211 A GET TRG or triggering signal was received and recognized but was ignored Currently there is no bus trigger capability in the synthesizer 0210 0210 Trigger error 0210 A trigger error o...

Page 197: ...ax error 0168 0168 Block data not allowed 0168 Correct the HP IB controller program so that the data included with the HP IB command does not contain block data no character 0161 0161 Invalid block da...

Page 198: ...e particular element is not valid for the command or query 0140 0140 Character data error 0140 The character data contains a syntax error 0138 0138 Su x not allowed 0138 Correct the HP IB controller p...

Page 199: ...syntactically invalid 0114 0114 Header su x out of range 0114 Indicates that a header su x was too large 0113 0113 Unde ned header 0113 The header is syntactically correct but it is unde ned for the...

Page 200: ...llowing FREQ 01GHz 0102 0102 Syntax error 0102 An unrecognized command or data type was encountered 0101 0101 Invalid character 0101 A syntactic element contains a character which is invalid for that...

Page 201: ...the power level or turn o attenuator hold This is a permanent error 603 603 RF on o command not valid 603 An invalid request to turn o RF power was ignored by the instrument 604 604 Atten driver error...

Page 202: ...rm veri cation after EEPROM write 652 ALC vernier calibration data was not written into EEPROM correctly Try writing the data into the synthesizer again 653 653 Invalid vernier cal data for 0 01 1 GHz...

Page 203: ...e level requested Enter a new frequency 706 706 Low pass lter set error 706 The low pass lter cannot be set to the requested setting Enter a new frequency 709 709 Hardware driver Frequency limit 709 T...

Page 204: ...duplicate frequencies with di erent losses Select a level correction table with valid data perform an automatic level correction to get valid data into the active table or use HP IB to load tables wit...

Page 205: ...e recall failed Try selecting the same level correction table again If this error message persists you will have to recreated the saved table 740 740 Another controller is on the HP IB bus 740 An auto...

Page 206: ...n the power meter returned an out of range power reading or the power meter returned a non number as its power reading Check that the power meter is reading an appropriate value by looking at it 747 7...

Page 207: ...cy level correction data for 1 20 GHz band thru path is not valid If you need to use this frequency range and you work with output levels that don t use the step attenuator see the explanation for err...

Page 208: ...766 766 Number of writes to EEPROM exceeds max 766 The number of EEPROM writes has exceeded the maximum allowed However the data was written to the EEPROM anyway This is only a warning but you should...

Page 209: ...when the DAC value shown for a given point says d t instead of DAC 777 777 Low band yto cal could not write EEPROM 777 The data for the low band YIG calibration could not be written to EEPROM Make su...

Page 210: ...nvalid for the AM scan gain tables If you need to use this frequency range and scan AM modulation see the explanation for error number 4000 795 795 Scan mod 1 20 GHz linear 1 tables bad 795 Checksum w...

Page 211: ...base oven is cold The oven must be allowed to warm up before proper instrument operation will occur This is a permanent error 944 944 Reference synthesizer went out of lock 944 The reference synthesi...

Page 212: ...a query Try setting the synthesizer again If this error message persists run the instrument self test 1109 1109 Query Port mode 1109 See the explanation for error number 1108 1462 1462 Keybd processor...

Page 213: ...not emulated The command is thus discarded and no action is taken Refer to Chapter 4 of the HP 8673 Compatibility Guide for more information 1515 0301 8673 command Wn not emulated 1515 The above comm...

Page 214: ...above command is recognized by the synthesizer in HP 8673 emulation mode but it is not emulated The command is thus discarded and no action is taken Refer to Chapter 4 of the HP 8673 Compatibility Gui...

Page 215: ...y Guide for more information 1528 0301 8673 command 2 not emulated 1528 The above command is recognized by the synthesizer in HP 8673 emulation mode but it is not emulated The command is thus discarde...

Page 216: ...not emulated The command is thus discarded and no action is taken Refer to Chapter 4 of the HP 8673 Compatibility Guide for more information 1536 0301 8673 command FS not emulated 1536 The above comm...

Page 217: ...2 1802 Low Battery Voltage 1802 The synthesizer battery voltage is low This could cause loss of RAM data if signal generator power is turned o Note Calibration data will never be lost 1803 1803 RAM da...

Page 218: ...REQ MULTIPLIER INCR 2018 2024 0222 Data out of range CW FREQ INCR 2024 Select a CW frequency increment from 1 kHz to 19 99 GHz If other modules or options are installed that extend the CW frequency ra...

Page 219: ...ace Note The LRN query always returns the same length string regardless of the state of the synthesizer but the LRN response can change if the rmware version changes 2054 0222 Data out of range CAL AL...

Page 220: ...eading increment within the following ranges No attenuator options 0 01 dBm to 45 dBm Option 1E1 0 01 dBm to 130 dBm 2105 0222 Data out of range CAL ALC CURV FREQ 2105 Correct the HP IB command CAL AL...

Page 221: ...this feature 2219 0222 Data out of range OPTION WRITE 2219 Select an option bit eld number within range See the service manual for more details on this feature 2237 0222 Data out of range OFFSET FREQ...

Page 222: ...32 space through ASCII 126 However ASCII 44 and ASCII 59 cannot be used 2294 0222 Data out of range POW METER ADDRESS 2294 Select a power meter address for automatic level correction from 0 to 30 Seco...

Page 223: ...222 Data out of range LEVEL CORR STOP INC 2465 Select an automatic level correction stop frequency increment from 1 kHz to 19 99 GHz If other modules or options are installed that extend the CW freque...

Page 224: ...installed that extend the frequency range of the synthesizer this frequency range will be extended also 2592 2592 MEM TABL FREQ cannot query empty table 2592 The selected level correction table data...

Page 225: ...error message 4001 0330 Self test failed 4001 See the explanation for error number 4000 4002 0330 Self test failed 4002 See the explanation for error number 4000 4003 0330 Self test failed 4003 See th...

Page 226: ...st failed 4016 See the explanation for error number 4000 4017 0330 Self test failed 4017 See the explanation for error number 4000 4018 0330 Self test failed 4018 See the explanation for error number...

Page 227: ...r error number 4000 4030 0330 Self test failed 4030 See the explanation for error number 4000 4031 0330 Self test failed 4031 See the explanation for error number 4000 4032 0330 Self test failed 4032...

Page 228: ...error number 4000 4043 0330 Self test failed 4043 See the explanation for error number 4000 4044 0330 Self test failed 4044 See the explanation for error number 4000 4045 0330 Self test failed 4045 Se...

Page 229: ...9 Legal and Regulatory Information...

Page 230: ...Legal and Regulatory Information This chapter contains information pertaining to safety and the warranty The Declaration of Conformity is located at the end of this chapter 9 2...

Page 231: ...result in personal injury or loss of life Do not proceed beyond a WARNING note until the indicated conditions are fully understood and met C A U T I O N The CAUTION sign denotes a hazard It calls att...

Page 232: ...is a registered trademark of the European Community if accompanied by a year it is when the design was proven ISM 1 A This is a symbol of an Industrial Scienti c and Medical Group 1 Class A product C...

Page 233: ...ee 2 per IEC 1010 and 664 respectively C A U T I O N VENTILATION REQUIREMENTS When installing the product in a cabinet the convection into and out of the product must not be restricted The ambient tem...

Page 234: ...g instructions are for use by service trained personnel only To avoid dangerous electric shock do not perform any servicing unless quali ed to do so Adjustments described in the manual are performed w...

Page 235: ...om the factory Hewlett Packard further certi es that its calibration measurements are traceable to the United States National Institute of Standards and Technology NIST to the extent allowed by the In...

Page 236: ...HP from another country HP warrants that its software and rmware designated by HP for use with an instrument will execute its programming instructions when properly installed on that instrument HP doe...

Page 237: ...Exclusive Remedies THE REMEDIES PROVIDED HEREIN ARE BUYER S SOLE AND EXCLUSIVE REMEDIES HP SHALL NOT BE LIABLE FOR ANY DIRECT INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES WHETHER BASED ON CON...

Page 238: ...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 O ce shown in...

Page 239: ...Legal and Regulatory Information Assistance 9 12...

Page 240: ...Legal and Regulatory Information Notice for Germany Noise Declaration LpA 70 dB am Arbeitsplatz operator position normaler Betrieb normal position nach DIN 45635 T 19 per ISO 7779 9 13...

Page 241: ...Legal and Regulatory Information...

Page 242: ...Index...

Page 243: ...put step attenuator option 1E1 4 20 address 6 11 setting the HP IB 2 12 advantages attenuator hold function 7 4 ALC IN connector v 5 7 ALC unleveled condition 6 27 annunciators v 5 3 5 11 uorescent di...

Page 244: ...8 10 impedances 5 6 8 rear panel 5 6 cursor v cursor double 2 3 6 3 6 5 CW signal generating 3 3 D damage electrical 1 8 mechanical 1 3 1 8 data entering with numeric keypad 2 3 modifying with arrow...

Page 245: ...led description 8 3 hardware failures 8 4 manual error number 8 3 SCPI error message 8 3 SCPI error number 8 3 error message format 8 3 error messages user oriented v error messages list 8 5 40 error...

Page 246: ...rnal leveling advantages 6 28 disadvantages 6 28 in this book vi INT LEVEL 6 27 introduction book vi K keypad numeric 6 40 knob v 5 13 modifying data with 2 4 knob resolution decreasing 2 4 increasing...

Page 247: ...kit 4 21 option 1E1 add output step attenuator 4 20 option 1E5 add high stability timebase 4 20 option 1E8 1 Hz frequency resolution 4 20 option 1E9 3 5 mm RF output connector 4 20 option OB0 delete...

Page 248: ...R switch v 5 15 power up problems 1 8 11 PRESET 6 43 problems data entry 2 13 14 power up 1 8 11 programming 2 15 RF output 3 23 programming problems 2 15 PWR MTR ADDRS 7 10 PWR MTR SELECT 7 12 R rack...

Page 249: ...nction 7 18 software version number 7 18 source modules multiplier values for 3 4 SPCL v 6 53 SPCL annunciator 5 3 SPCL OFF 6 54 SPCL ON 6 56 special functions v 6 53 7 2 service related 7 17 speci ca...

Page 250: ...use external diode detector leveling 3 7 to use external power meter leveling 3 11 to use previously stored level correct data 3 20 to use the level correct routine 3 14 turn on sequence 1 6 two years...

Page 251: ......

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