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Agilent Technologies ESA-E E4401B, Справочник пользователя/программиста

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378

Chapter 5

 

Remote Command Reference

TRACe Subsystem

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By replacing the value of each point in a trace with the average 
of the values of a number of points centered about that point, 
any rapid variations in noise or signals are smoothed into more 
gradual variations. It thereby performs a function similar to 
reducing the video bandwidth without the corresponding 
changes in sweep time; as such, frequency resolution is 
decreased. Also, signal peaks are reduced with large smoothing 
values; and this can cause the amplitude to appear to be less than 
its actual value.

Number of Points for Smoothing 

:TRACe:MATH:SMOoth:POINts <integer>

:TRACe:MATH:SMOoth:POINts?

Specifies the number of points that will be smoothed in 

:TRACe:MATH:SMOoth

. 

See that command for an explanation of how smoothing is performed. 

Increasing the number of points increases smoothing at the cost of decreasing 
resolution. If the number of points is an even number, then the number of points is 
increased by one. If the number of points is larger than the number of sweep 
points, then the number of sweep points is used, unless the number of sweep points 
is even, in which case the number of points will be the sweep points minus one. 
The number of points smoothed is always an odd number.

Range:  

Integer, 3 to current number of sweep points

Trace Math Subtract 

:TRACe:MATH:SUBTract 

<destination_trace>,<source_trace1>,<source_trace2>

Subtracts the magnitude of the two source traces (trace 1 

−

 trace 2) and places the 

result in the destination trace.

Destination traces are: TRACE1|2|3

Source traces are: TRACE1|2|3

Example:  

:TRAC:MATH:SUBT TRACE3,TRACE3,TRACE2

 is equivalent 

to: (trace 3 = trace 3 

−

 trace 2)

Trace Math Subtract From Display Line 

:TRACe:MATH:SUBTract:DLINe <trace>

Subtracts the magnitude of the display line from the selected trace and places the 

Содержание ESA-E E4401B

Страница 1: ...or the following instruments Agilent Technologies ESA E Series E4401B 9 kHz 1 5 GHz E4402B 9 kHz 3 0 GHz E4404B 9 kHz 6 7 GHz E4405B 9 kHz 13 2 GHz E4407B 9 kHz 26 5 GHz Agilent Technologies ESA L Series E4411B 9 kHz 1 5 GHz E4403B 9 kHz 3 0 GHz E4408B 9 kHz 26 5 GHz Manufacturing Part Number E4401 90448 Supersedes part of E4401 90394 Printed in USA April 2004 Copyright 1999 2004 Agilent Technolog...

Страница 2: ...ered to could result in injury or loss of life Do not proceed beyond a warning note until the indicated conditions are fully understood and met CAUTION Caution denotes a hazard It calls attention to a procedure that if not correctly performed or adhered to could result in damage to or destruction of the instrument Do not proceed beyond a caution sign until the indicated conditions are fully unders...

Страница 3: ...is not used as specified the protection provided by the equipment could be impaired This product must be used in a normal condition in which all means for protection are intact only CAUTION Always use the three prong AC power cord supplied with this product Failure to ensure adequate grounding may cause product damage Where to Find the Latest Information Documentation is updated periodically For t...

Страница 4: ...4 ...

Страница 5: ...3 Freq Count 97 FREQUENCY Channel 98 Help 101 Input Output 102 Marker 107 Marker 112 MEASURE Spectrum Analysis Mode 113 Meas Control 114 MODE 115 Next Window 116 Peak Search 117 Preset 122 Print 127 Print Setup 128 Restart 130 Return 131 Save 132 Single 133 Source 134 SPAN X Scale 139 Standby 144 Sweep 145 System Local 155 Tab Keys 166 Trace View 167 Trig 171 UP and DOWN Arrow Keys 176 Viewing Ang...

Страница 6: ...n and Separator Syntax 190 Overview of GPIB Option A4H 192 GPIB Instrument Nomenclature 192 GPIB Command Statements 192 Overview of RS 232 Option 1AX 194 Settings for the Serial Interface 194 Handshake and Baud Rate 194 Character Format Parameters 194 Modem Line Handshaking 195 Data Transfer Errors 195 4 Status Registers Use Status Registers to Determine the State of Analyzer Events and Conditions...

Страница 7: ...e INTegrity Register 228 Questionable Status Integrity Event Condition and Enable Registers 230 5 Remote Command Reference SCPI Sections and Subsections 233 IEEE Common Commands 235 Calibration Query 235 Clear Status 235 Standard Event Status Enable 235 Standard Event Status Register Query 236 Identification Query 236 Instrument State Query 236 Operation Complete 237 Query Instrument Options 237 R...

Страница 8: ...Automatic Resolution 251 Frequency Counter Marker 251 Frequency Counter Marker Query 251 Marker Function 252 Marker Peak Maximum Search 252 Marker Peak Maximum Left Search 252 Marker Next Peak Maximum Search 253 Marker Peak Maximum Right Search 253 Marker Peak Minimum Search 253 Marker Mode 253 Define Peak Excursion 254 Define Peak Search 255 Define Peak Threshold 255 Peak to Peak Delta Markers 25...

Страница 9: ...urn to the Default Alignment Data 266 Align FM Demodulation 266 Query the Internal or External Frequency Reference 267 Coarse Adjust the Frequency Reference 267 Fine Adjust the Frequency Reference 267 Select the Frequency Corrections 267 Align the RF Circuitry 268 Select the Source State for Calibration 268 Calibrate the Tracking Generator 269 CONFigure Subsystem 270 Configure the Basic Spectrum A...

Страница 10: ...ard Copy 286 Form Feed the Print Item 286 Page Orientation 286 Number of Items Printed on a Page 286 Printed Page Size 287 INITiate Subsystem 288 Continuous or Single Measurements 288 Take New Data Acquisitions 289 Pause the Measurement 289 Restart the Measurement 290 Resume the Measurement 290 INPut Subsystem 291 Input Port Coupling 291 Select Internal or External Mixer 292 Select Mixer Type 292 ...

Страница 11: ...5 Turn Averaging On Off 305 Turn Automatic Averaging On Off 306 Type of Averaging for Measurements 307 SENSe BANDwidth Subsection 309 Resolution Bandwidth 309 Resolution Bandwidth Automatic 309 Video Bandwidth 309 Video Bandwidth Automatic 310 Video to Resolution Bandwidth Ratio 310 Video to Resolution Bandwidth Ratio Mode Select 310 SENSe CORRection Subsection 312 Delete All Corrections 312 Perfo...

Страница 12: ...rt Frequency 325 Stop Frequency 326 Frequency Synthesis Mode 327 Frequency Synthesis State 327 SENSe MIXer Subsection 328 Select External Mixer Band 328 External Mixer Bias Adjust 328 Set External Mixer Bias On Off 329 Set External Mixer LO Harmonic Value 329 Set External Mixer LO Harmonic Mode 330 SENSe POWer Subsection 331 Quasi peak Detector Gain 331 Input Attenuation 331 Input Port Attenuator ...

Страница 13: ...45 Source Attenuation 345 Automatic Source Attenuation 346 Sets the Output Power 346 Sets the Source Output Power Mode 347 Set the Source Sweep Power Range 347 Set the Output Power at the Start of the Sweep 348 Set the Output Power to Step Automatically 348 Set the Output Power Step Size 348 Set the Source Sweep Power Range 349 Output Power Tracking 349 Output Power Tracking Peak 349 STATus Subsys...

Страница 14: ...tion 359 Questionable Integrity Uncalibrated Positive Transition 359 Questionable Negative Transition 360 Questionable Power Condition 360 Questionable Power Enable 360 Questionable Power Event Query 361 Questionable Power Negative Transition 361 Questionable Power Positive Transition 361 Questionable Positive Transition 362 SYSTem Subsystem 363 GPIB Address 363 Serial Port DTR Setup 363 Serial Po...

Страница 15: ...5 Peak Sorting 376 Smooth Trace Data 376 Number of Points for Smoothing 378 Trace Math Subtract 378 Trace Math Subtract From Display Line 378 Select Trace Display Mode 379 TRIGger Subsystem 380 External Trigger Line and TV Trigger Delay Value 380 External Trigger Line and TV Trigger Delay Enable 380 External Trigger Slope 380 Trigger Offset 381 RF Burst Frequency Selectivity 382 RF Burst Absolute ...

Страница 16: ... AMPLITUDE Y Scale Menu 394 Amplitude Y Scale Corrections Menu 395 Auto Couple Menu 396 BW Avg Menu 397 Det Demod Menu 398 Display Menu 399 File Menus 1 of 3 400 File Menus 2 of 3 401 File Menus 3 of 3 402 Freq Count Marker Menu 403 FREQUENCY Channel Menu 404 Input Output Menu 405 Marker Menu 406 Marker Menu 407 Peak Search Menu 408 Preset Menu 409 Print Setup Menu 410 Source Menu 411 SPAN X Scale...

Страница 17: ...8 RST 238 SAV register 238 SRE integer 239 SRE 239 STB 239 TRG 239 TST 239 WAI 239 ABORt 240 CALCulate BWIDth BANDwidth NDB rel_ampl 241 CALCulate BWIDth BANDwidth NDB 241 CALCulate BWIDth BANDwidth RESult 241 CALCulate BWIDth BANDwidth RESult 241 CALCulate BWIDth BANDwidth STATe OFF ON 0 1 242 CALCulate BWIDth BANDwidth STATe 242 CALCulate CLIMits FAIL 242 CALCulate LLINe ALL DELete 243 ...

Страница 18: ...nnected 245 CALCulate LLINe 1 2 DATA MERGe x axis ampl connected x axis ampl connected 247 CALCulate LLINe 1 2 DATA 245 CALCulate LLINe 1 2 DELete 247 CALCulate LLINe 1 2 DISPlay OFF ON 0 1 248 CALCulate LLINe 1 2 DISPlay 248 CALCulate LLINe 1 2 FAIL 248 CALCulate LLINe 1 2 MARGin rel_ampl 248 CALCulate LLINe 1 2 MARGin STATe OFF ON 0 1 248 CALCulate LLINe 1 2 MARGin STATe 248 CALCulate LLINe 1 2 ...

Страница 19: ...1 CALCulate MARKer 1 2 3 4 FCOunt STATe 251 CALCulate MARKer 1 2 3 4 FUNCtion BPOWer NOISe OFF 252 CALCulate MARKer 1 2 3 4 FUNCtion 252 CALCulate MARKer 1 2 3 4 MAXimum 252 CALCulate MARKer 1 2 3 4 MAXimum LEFT 252 CALCulate MARKer 1 2 3 4 MAXimum NEXT 253 CALCulate MARKer 1 2 3 4 MAXimum RIGHt 253 CALCulate MARKer 1 2 3 4 MINimum 253 CALCulate MARKer 1 2 3 4 MODE POSition DELTa BAND SPAN 253 CAL...

Страница 20: ...n STOP param 261 CALCulate MARKer 1 2 3 4 X POSition STOP 261 CALCulate MARKer 1 2 3 4 X POSition 259 CALCulate MARKer 1 2 3 4 X READout FREQuency TIME ITIMe PERiod 261 CALCulate MARKer 1 2 3 4 X READout 261 CALCulate MARKer 1 2 3 4 X SPAN param 261 CALCulate MARKer 1 2 3 4 X SPAN 262 CALCulate MARKer 1 2 3 4 X STARt param 262 CALCulate MARKer 1 2 3 4 X STARt 262 CALCulate MARKer 1 2 3 4 X STOP pa...

Страница 21: ...ting 267 CALibration FREQuency REFerence FINE 267 CALibration FREQuency REFerence 267 CALibration FREQuency STATe OFF ON 0 1 267 CALibration FREQuency STATe 267 CALibration RF 268 CALibration RF 268 CALibration SOURce STATe OFF ON 0 1 268 CALibration SOURce STATe 268 CALibration TG 269 CALibration TG 269 CALibration ALL 265 CALibration ALL 265 COUPle ALL NONE 271 COUPle 271 DISPlay AFUNction POSit...

Страница 22: ...y WINDow TRACe Y DLINe STATe OFF ON 0 1 276 DISPlay WINDow TRACe Y DLINe STATe 276 DISPlay WINDow TRACe Y DLINe 276 DISPlay WINDow TRACe Y SCALe NRLevel rel_ampl 277 DISPlay WINDow TRACe Y SCALe NRLevel 277 DISPlay WINDow TRACe Y SCALe NRPosition integer 278 DISPlay WINDow TRACe Y SCALe NRPosition 278 DISPlay WINDow TRACe Y SCALe PDIVision rel_ampl 278 DISPlay WINDow TRACe Y SCALe PDIVision FREQue...

Страница 23: ...on LANDscape PORTrait 286 HCOPy PAGE ORIentation 286 HCOPy PAGE PRINts integer 286 HCOPy PAGE PRINts 286 HCOPy PAGE SIZE A B A3 A4 LETTer LEGal EXECutive LEDGer 287 HCOPy PAGE SIZE 287 HCOPy IMMediate 286 INITiate CONTinuous OFF ON 0 1 288 INITiate CONTinuous 288 INITiate PAUSe 289 INITiate RESTart 290 INITiate RESume 290 INITiate IMMediate 289 INPut COUPling AC DC 291 INPut COUPling 291 INPut PRO...

Страница 24: ...ir_name 300 MMEMory STORe CORRection ANTenna CABLe OTHer USER file_name 300 MMEMory STORe LIMit LLINE1 LLINE2 file_name 301 MMEMory STORe RESults file_name 301 MMEMory STORe SCReen file_name 301 MMEMory STORe STATe 1 file_name 301 MMEMory STORe TRACe label file_name 302 OUTPut STATe OFF ON 0 1 303 OUTPut STATe 303 SOURce CORRection OFFSet rel_ampl 345 SOURce CORRection OFFSet 345 SOURce POWer ATTe...

Страница 25: ...n CONDition 351 STATus OPERation ENABle integer 351 STATus OPERation ENABle 351 STATus OPERation NTRansition integer 352 STATus OPERation NTRansition 352 STATus OPERation PTRansition integer 352 STATus OPERation PTRansition 352 STATus OPERation EVENt 351 STATus PRESet 352 STATus QUEStionable CALibration CONDition 353 STATus QUEStionable CALibration ENABle integer 353 STATus QUEStionable CALibratio...

Страница 26: ...e INTegrity ENABle 357 STATus QUEStionable INTegrity NTRansition integer 358 STATus QUEStionable INTegrity NTRansition 358 STATus QUEStionable INTegrity PTRansition integer 358 STATus QUEStionable INTegrity PTRansition 358 STATus QUEStionable INTegrity EVENt 357 STATus QUEStionable NTRansition integer 360 STATus QUEStionable NTRansition 360 STATus QUEStionable POWer CONDition 360 STATus QUEStionab...

Страница 27: ...nicate SERial 1 RECeive BAUD 364 SYSTem COMMunicate SERial 1 RECeive PACE XON NONE 365 SYSTem COMMunicate SERial 1 RECeive PACE 365 SYSTem CONFigure HARDware STATe OFF ON 0 1 365 SYSTem CONFigure HARDware STATe 365 SYSTem CONFigure HARDware 365 SYSTem CONFigure LKEY STATe OFF ON 0 1 366 SYSTem CONFigure LKEY STATe 366 SYSTem CONFigure LKEY 366 SYSTem CONFigure SYSTem STATe OFF ON 0 1 367 SYSTem CO...

Страница 28: ...372 SYSTem VERSion 372 TRACe COPY source_trace dest_trace 373 TRACe EXCHange trace_1 trace_2 374 TRACe MATH ADD destination_trace source_trace1 source_trace2 375 TRACe MATH MEAN trace 375 TRACe MATH PEAK POINts 375 TRACe MATH PEAK SORT AMPLitude FREQuency 376 TRACe MATH PEAK SORT 376 TRACe MATH PEAK DATA 375 TRACe MATH SMOoth trace 376 TRACe MATH SMOoth POINts integer 378 TRACe MATH SMOoth POINts ...

Страница 29: ...OFF ON 0 1 382 TRIGger SEQuence RFBurst LEVel ABSolute ampl 382 TRIGger SEQuence RFBurst LEVel RELative rel_ampl 383 TRIGger SEQuence RFBurst LEVel TYPE ABSolute RELative 383 TRIGger SEQuence RFBurst LEVel TYPE 383 TRIGger SEQuence RFBurst LEVel 382 TRIGger SEQuence RFBurst LEVel 383 TRIGger SEQuence RFBurst NPDiscrim 383 TRIGger SEQuence RFBurst NPDiscrim STATe OFF ON 0 1 383 TRIGger SEQuence SOU...

Страница 30: ... SENSe BANDwidth BWIDth VIDeo RATio AUTO 310 SENSe BANDwidth BWIDth VIDeo RATio 310 SENSe BANDwidth BWIDth VIDeo 310 SENSe BANDwidth BWIDth RESolution freq 309 SENSe BANDwidth BWIDth RESolution AUTO OFF ON 0 1 309 SENSe BANDwidth BWIDth RESolution AUTO 309 SENSe BANDwidth BWIDth RESolution 309 SENSe CORRection CSET ALL DELete 312 SENSe CORRection CSET ALL STATe OFF ON 0 1 312 SENSe CORRection CSET...

Страница 31: ...SENSe DEMod TIME time 318 SENSe DEMod TIME 318 SENSe DEMod VIEW STATe OFF ON 0 1 318 SENSe DEMod VIEW STATe 318 SENSe DEMod 316 SENSe DETector AUTO OFF ON 0 1 319 SENSe DETector AUTO 319 SENSe DETector RANGe IMMediate 322 SENSe DETector RANGe STATe OFF N 0 1 322 SENSe DETector RANGe STATe 322 SENSe DETector UNRange 322 SENSe DETector FUNCtion NEGative POSitive SAMPle AVERage RMS 319 SENSe DETector...

Страница 32: ...y STOP 326 SENSe FREQuency SYNThesis 1 2 3 327 SENSe FREQuency SYNThesis AUTO OFF ON 0 1 327 SENSe FREQuency SYNThesis AUTO 327 SENSe FREQuency SYNThesis 327 SENSe MIXer BAND K A Q U V E W F D G Y J USER 328 SENSe MIXer BAND 328 SENSe POWer QPGain STATe OFF ON 0 1 331 SENSe POWer QPGain STATe 331 SENSe POWer RF ATTenuation rel_ampl 331 SENSe POWer RF ATTenuation AUTO OFF ON 0 1 331 SENSe POWer RF ...

Страница 33: ...ent DELete ROW integer 339 SENSe SWEep SEGMent STATe OFF ON 0 1 339 SENSe SWEep SEGMent STATe 339 SENSe SWEep SPACing LINear LOGarithmic 276 SENSe SWEep SPACing LINear LOGarithmic 292 SENSe SWEep SPACing LINear LOGarithmic 340 SENSe SWEep SPACing 340 SENSe SWEep TIME time 341 SENSe SWEep TIME AUTO OFF ON 0 1 341 SENSe SWEep TIME AUTO MODE SRESponse SANalyzer 342 SENSe SWEep TIME AUTO MODE 342 SENS...

Страница 34: ... SENSe SWEep TIME GATE POLarity 343 SENSe SWEep TIME GATE PRESet 343 SENSe SWEep TIME GATE TYPE LEVel EDGE 344 SENSe SWEep TIME GATE TYPE 344 SENSe SWEep TIME GATE STATe OFF ON 0 1 344 SENSe SWEep TIME GATE STATe 344 SENSe SWEep TIME 341 ...

Страница 35: ...35 Using This Document 1 Using This Document ...

Страница 36: ...s Registers contains a comprehensive description of status registers explaining what status registers are and how to use them to programatically monitor instrument operation Remote Command Reference contains SCPI Standard Commands for Programmable Instruments programming commands for the spectrum analyzer Volume 2 includes the SCPI command information for all the functions associated with the one ...

Страница 37: ...ter 1 37 Using This Document What is in This Book Using This Document menu maps key descriptions and programming commands for the one button measurements and all of their associated setup keys and commands ...

Страница 38: ...38 Chapter1 Using This Document What is in This Book Using This Document ...

Страница 39: ...in this chapter are listed alphabetically The lower level menu keys are arranged as they appear in your analyzer menus Volume 2 describes all the front panel key information for the measurements that are available when you press the MEASURE key and all their associated setup keys ...

Страница 40: ... selected The analyzer input attenuator which is normally coupled to the reference level control reduces the power level of the analyzer input signal at the input mixer The attenuator is recoupled when Attenuation Auto is selected Attenuation can be changed using the step keys the knob or the numeric keypad To select 0 dB the numeric keypad must be used except for E4401B or E4411B Key Access AMPLI...

Страница 41: ...accuracy at the active marker frequency With Input Mixer Ext selected and the Mixer Type set to Presel preselected Presel Center adjusts the frequency of the external preselector filter to maximize the amplitude at the active marker frequency If activated in a non preselected band Presel Center does nothing Preselector center should be used to improve amplitude accuracy for signals which fall into...

Страница 42: ...lts in a correction being applied to compensate for the gain of the preamp so that amplitude readings show the value at the input connector When the preamp is on a PA indication appears on the left side of the display The preamp is switched off in frequency bands above 3 GHz and the correction is not applied In this case the PA indication will still appear even though the preamp is not activated T...

Страница 43: ...values which indicate a gain in the external device Edit Accesses menu keys that allow you to create and edit an amplitude correction factor set It puts the analyzer into a split screen mode where the correction data is displayed in a table under the trace data Pressing ESC while in this menu will exit the menu and remove the table from the screen New points will be applied only after the editor i...

Страница 44: ... the amplitude correction for the highest frequency entered will be applied to all frequencies greater than the highest frequency entered NOTE For amplitude correction factors a maximum of two entries with the same frequency are valid Only the first and last points of a series with the same frequency values are used any middle points are ignored NOTE Amplitude correction data is sorted in the tabl...

Страница 45: ...n Key Access AMPLITUDE Y Scale More Corrections Correction On Off Turns the amplitude correction function on or off for the selected set The corrections state must be set to On for the correction to be applied Key Access AMPLITUDE Y Scale More Corrections Cable NOTE Antenna Cable and Other correction factors are generally entered as positive values This indicates a loss in the external device User...

Страница 46: ...ue by using the step keys or the knob Press Bk Sp to correct errors After selecting a point Amplitude becomes active A frequency coordinate must always be specified for amplitude correction factors Key Access AMPLITUDE Y Scale More Corrections Cable Edit NOTE The amplitude correction entered for the lowest frequency will be applied to all frequencies less than the lowest frequency entered Similarl...

Страница 47: ...splay Pressing Delete Point again will delete the point and adjust all of the point numbers as appropriate Key Access AMPLITUDE Y Scale More Corrections Cable Edit Delete Correction Allows you to clear all data from the selected amplitude correction set The prompt If you are sure press key again to delete will appear on the display Pressing Delete again will delete the correction set Key Access AM...

Страница 48: ...ys are very useful for navigation between rows in the corrections table Key Access AMPLITUDE Y Scale More Corrections Other Point Allows you to create or edit an amplitude correction factor data point Up to 200 points may be defined for each set Enter the point number to be created or edited by using the numeric keypad then press Enter or use the knob tab or step keys to move to an existing point ...

Страница 49: ...you have entered the frequency value via the front panel Amplitude Allows you to enter the amplitude value for the current amplitude correction point After selecting a point the point number automatically increments and Frequency becomes active to allow entry of the frequency of the next point Press Bk Sp to correct errors Key Access AMPLITUDE Y Scale More Corrections Other Edit Delete Point Allow...

Страница 50: ...ernal device Edit Accesses menu keys that allow you to create and edit an amplitude correction factor set It puts the analyzer into a split screen mode where the correction data is displayed in a table under the trace data Pressing ESC while in this menu will exit the menu and remove the table from the screen New points will be applied only after the editor is closed The Tab keys are very useful f...

Страница 51: ...milarly the amplitude correction for the highest frequency entered will be applied to all frequencies greater than the highest frequency entered NOTE For amplitude correction factors a maximum of two entries with the same frequency are valid Only the first and last points of a series with the same frequency values are used any middle points are ignored NOTE Amplitude correction data is sorted in t...

Страница 52: ...y values between points are computed by first taking the logarithm of both table values and the intermediate value Key Access AMPLITUDE Y Scale More Corrections More Delete all Corrections Allows you to delete all amplitude correction sets Key Access AMPLITUDE Y Scale More Corrections More Ext Amp Gain Adds a positive or negative preamplifier gain value which is subtracted from the displayed signa...

Страница 53: ... power levels of on screen signals less than the selected level at the input mixer When Preset Type is set to Factory pressing Preset resets the maximum input mixer level to 10 dBm Key Access AMPLITUDE Y Scale More IF Gain Auto Fixed When using digital resolution bandwidths RBW 1 kHz the analyzer uses IF Gain autoranging to set the optimum signal gain for digital processing This technique produces...

Страница 54: ...notation representing the function on the screen If one or more functions are manually set so that the amplitude or frequency becomes uncalibrated Meas Uncal appears on the top right side of the graticule To recouple the analyzer functions the uncoupled function s must be individually set back to Auto Or you can press Auto All to return all of the functions to their default auto state Pressing Aut...

Страница 55: ...me during which the data for that point is collected The analyzer has the ability to look at all of the data collected during that time and present a single point of trace data based on the detector mode We call the interval during which the data for that trace point is being collected the bucket Thus a trace is more than a series of single points It is actually a series of trace buckets The data ...

Страница 56: ...eak detection The detector in use is indicated on the left side of the display A will appear next to it if the detector has been manually selected Key Access Auto Couple Auto The system selects peak detection as the default but if a condition arises where a different type of detection scheme provides greater accuracy the system will use the alternate scheme For example when using the Marker Noise ...

Страница 57: ...r 2 57 Front Panel Key Reference Auto Couple Front Panel Key Reference Figure 2 1 Detector Auto Selection Flowchart Average Allows you to select between video and power RMS averaging via the Average Type key ...

Страница 58: ...as appropriate for wider resolution bandwidths and faster sweep times Slower sweep times also increase the number of samples averaged for each trace interval When Average is selected Avg appears on the left side of the display NOTE When the Average detector is selected in linear amplitude scale mode the fastest sweet time is 8 milliseconds Key Access Auto Couple Detector Auto Man Peak Peak detecti...

Страница 59: ...in point to remember is that there can be significant differences between the average of the log of power and the log of the average power There are actually four types of averaging processes within a spectrum analyzer All except VBW filtering are affected by this setting They are Trace averaging see BW Avg Average On Averages signal amplitudes on a trace to trace basis The type of averaging Video...

Страница 60: ...s the data as appropriate for the y axis scale When Avg Type Video Avg is selected VAvg appears on the left side of the analyzer display if Average is On Key Access Auto Couple Avg Type Pwr Avg Power averaging is performed by converting the trace data from logarithmic to linear power units and then averaging the power trace data When Avg Type Pwr Avg is selected PAvg appears on the left side of th...

Страница 61: ...nel Key Reference Bk Sp Backspace Front Panel Key Reference Bk Sp Backspace The backspace key is located on the front panel and is used to change or correct an active function entry or a text entry before you save to a file ...

Страница 62: ...TE With software A 08 00 and greater in zero span the auto manual function of this key is not applicable When Res BW Auto is selected in non zero span any changes to Res BW while in zero span will revert to the Auto value when you return to non zero span When Res BW Man is selected in non zero span any changes to Res BW while in zero span will be maintained when you return to non zero span A mark ...

Страница 63: ...can be set to less than 1 to lower the noise The knob and step keys change the ratio in a 1 3 10 sequence When Preset Type is set to Factory and Preset is pressed or Auto Couple Auto All have been selected the ratio is set to 1 000 X The ratio can be changed using the step keys knob or numeric keypad When VBW RBW Auto is selected the ratio is determined by the rules in Figure 2 3 Figure 2 3 VBW RB...

Страница 64: ...d using the numeric keypad not the knob or step keys Key Access BW Avg Avg Type Auto Man Accesses the functions to automatically or manually choose from one of the following averaging scales Video or Power RMS NOTE If video averaging is selected the measurement results are the average of the signal level in the y axis scale If the power average RMS is selected all measured results are converted in...

Страница 65: ...ging averages the data as appropriate for the y axis scale When Avg Type Video Avg is selected VAvg appears on the left side of the analyzer display if Average is On Key Access BW Avg Avg Type Pwr Avg Power averaging is performed by converting the trace data from logarithmic to linear power units and then averaging the power trace data When Avg Type Pwr Avg is selected PAvg appears on the left sid...

Страница 66: ...be sampled many times within each bucket When the detector choice is Auto selecting trace averaging BW Avg Average On changes the detector The Auto choice depends on marker functions trace functions and the trace averaging function If a marker function or measurement is running the Auto choice of detector is either Average or Sample When one of the detectors such as Average is manually selected in...

Страница 67: ...priate to the Y axis scale Log power average when in log scale Voltage average when in linear scale Frequency deviation when Demod View is enabled for FM Demod Power Average root mean square or RMS detection computes the RMS of the samples collected across the trace interval The number of samples included in the RMS average for each trace interval depends on the sweep time the resolution bandwidth...

Страница 68: ...ate amplitude measurements of signals When Negative Peak is selected NPk appears in the upper left corner of the screen Key Access Det Demod Detector Auto Man EMI Detector Selects and configures the specified type of EMI detection Selecting either quasi peak or EMI average runs an amplitude ranging process that affects the reference level and attenuation settings This optimizes the available dynam...

Страница 69: ... peak and EMI average detectors are bypassed When QP Avg is selected the quasi peak or EMI average detector is used and the analyzer is forced to linear amplitude detection mode using sample detection Key Access Det Demod EMI Detector QP Avg Gain Turns on or off the linear 10 gain stage in the quasi peak and average detector signal path This stage may be enabled disabled whenever the quasi peak or...

Страница 70: ...he screen annotation When the span is set to zero span the displayed bandwidth is used Key Access Det Demod Demod FM Turning FM demodulation on turns off AM demodulation if it is on For non zero spans a 100 kHz resolution bandwidth is used during the demodulation regardless of the screen annotation When the span is set to zero span the displayed bandwidth is used For best results move the signal t...

Страница 71: ...e Peak Excursion and Peak Threshold In AM demod pressing Demod View On has no effect FM demod must be selected The Bluetooth FM Demod Option 106 has a fixed vertical scale of approximately 40 kHz Div The exact value is determined by the auto alignment process and is displayed in the upper left corner of the display Key Access Det Demod Demod Speaker On Off Turns the internal speaker on and off The...

Страница 72: ...ealigned Some of the switching of the analyzer circuitry is done using relays It is the rapid switching of these relays during retrace that causes the clicking sounds To eliminate the clicking sounds turn the auto alignment off by pressing System Alignments Auto Align Off When this is done the Align Now All function should be performed periodically Refer to the Specifications Guide for your instru...

Страница 73: ...he left side of the display The display line can be adjusted using the step keys knob or numeric keypad Pressing any digit 0 through 9 on the numeric keypad brings up the selected terminator menu To deactivate the display line press Display Line Off Key Access Display Limits Accesses menu keys that allow you to create and define the parameters of limit lines Key Access Display Limit 1 Limit 2 Allo...

Страница 74: ...w those for Limit 1 Either Limit or Margin must be turned on for Test to work Key Access Display Limits Limit 1 or Limit 2 Margin On Off Margin Off turns the margin off Margin On allows you to set a limit line offset for the selected limit line Either Limit or Margin as well as Test must be turned on for a limit test to work Key Access Display Limits Limit 1 or Limit 2 Edit Accesses the Edit menu ...

Страница 75: ... entering a value the limit table is sorted to place the frequency or time in the correct order For a new point Amplitude defaults to 0 dBm and Connected to Previous Pt defaults to Yes Amplitude then becomes active Key Access Display Limits Limit 1 or Limit 2 Edit Amplitude Allows you to enter the amplitude value for the current limit point After entering a value Connected to Previous Pt becomes a...

Страница 76: ...of the next point or if a new point to allow Frequency to be entered for the new point Key Access Display Limits Limit 1 or Limit 2 Edit Delete Point Allows you to delete the current point in the limit line You will be prompted with the message If you are sure press key again to delete Pressing Delete Point again will delete the point Key Access Display Limits Limit 1 or Limit 2 Edit Delete Limit ...

Страница 77: ... in a limit table Key Access Display Limits Limit 1 or Limit 2 More NOTE Interpolation modes determine how limit values are computed between points in the limit table The appearance of a limit trace is also affected by the amplitude scale which may be linear or logarithmic X Axis Units Freq Time Selects whether limit lines will be entered using frequency or sweep time to define the segments They c...

Страница 78: ...litude component of the relative limit line segment is 10 dB then 10 dB is added to the reference level value to obtain the amplitude of the given segment reference level offset included A limit line entered as fixed may be changed to relative and one entered as relative may be changed to fixed When changing between fixed and relative limit lines the frequency and amplitude values in the limit lin...

Страница 79: ...active function in the center left side of the display Key Access Display Active Fctn Position Bottom Displays the active function in the bottom left corner of the display Key Access Display Active Fctn Position Title Accesses the following Title menu keys which allows you to change or clear a title on your display Key Access Display ...

Страница 80: ...ed that was previously saved with a title A display title can also be cleared by using the clear function Press Display Title Clear Title Key Access Display Title Clear Title Allows you to clear a title from the front panel display Once cleared the title cannot be retrieved Key Access Display Title Preferences Accesses a menu of the following display functions which allow you to turn the graticule...

Страница 81: ...merical value that has been entered from the front panel using the numeric keypad For most applications it is better to use the units menu keys When using the File key menus the Enter key is used to terminate filename entries When entering titles Display Title Change Title the Enter key is used to terminate title entries ...

Страница 82: ...ee the section on display annotation active function area and other display features in the Getting Started Guide for your instrument Clear any title entry that you have begun to enter and cause the title to revert to the previous name Clear input or output overloads Clear error messages from the status line along the bottom of the display Clear peak threshold from the display turn it off if the p...

Страница 83: ... the selected drive Key Access File Catalog Type Setup Displays all setup files SET in the selected directory Setups are a complete set of instrument parameters including traces states limits and corrections Key Access File Catalog Type State Displays all state files STA in the selected directory State files contain most instrument settings Key Access File Catalog Type Trace Displays all trace fil...

Страница 84: ...es Key Access File Catalog Dir Select Accesses the highlighted directory on your display Key Access File Catalog Save Accesses menu keys that allow you to save analyzer setups states traces limits corrections and screen data to a floppy A drive or internal flash C drive NOTE If you intend to save trace files for use with a personal computer save them as CSV comma separated values However files fom...

Страница 85: ...llow complete restoration of originally saved Setup Key Access File Save Type State Displays all previously saved state files and detects the current state parameters in preparation to save them in a file for retrieval at a future date State files include all instrument settings but not traces limits and corrections This is the default setting when power is applied to the analyzer Key Access File ...

Страница 86: ...ey Access File Save Type NOTE Screen files saved in WMF format can only be loaded into Microsoft 1 applications such as Microsoft Word NOTE The screen saved is that which was displayed before pressing File For this reason the screens seen while in the file menus cannot be saved Corrections Displays all previously saved correction files and detects the current corrections in preparation to save the...

Страница 87: ...inted visibly and with less use of black ink Screen images cannot be loaded back into the analyzer Key Access File Save Source When Type is set to Trace Source allows you to save trace 1 2 or 3 along with state Saving trace All saves all traces in a single trc file along with the state When Type is set to Corrections Source accesses the Antenna Cable Other and User menu keys which allow you to sel...

Страница 88: ... line on your display Key Access File Load Type Allows you to select the type of file you want to load Setup Displays all setup files you may wish to load SET Setup files include a complete set of instrument parameters including traces states limits and corrections Loading a setup restores the analyzer as closely as possible to all previous instrument settings at the time of the save Key Access Fi...

Страница 89: ... may wish to load CBL ANT OTH AMP Corrections provide a way to adjust the trace display for preset gain factors such as for cable loss A correction set may hold up to 200 points Key Access File Load Type More Measurement Results Displays all previously saved measurement results files you may wish to load Measurement results files are saved in CSV format for importing into spreadsheets Key Access F...

Страница 90: ... message WARNING You are about to delete the contents of directory XXXXXX where XXXXXX is the full path and directory name will appear on your display After a successful delete the message XXXXXX file deleted where XXXXXX is the filename will appear in the status line on your display Key Access File Delete Type Allows you to select the type of file you want to delete Key Access File Delete All Dis...

Страница 91: ...e attribute The selections include By Date By Name By Extension By Size and Order Up Down Order Up allows you to view files you may wish to delete in ascending order for instance A B C Order Down allows you to view files you may wish to delete in descending order for instance C B A Key Access File Delete Dir Up Allows you to move up one directory level If at the top level Dir Up moves to the drive...

Страница 92: ...cess File Copy Type State Displays all state STA files you may wish to copy Key Access File Copy Type Trace Displays all trace TRC and CSV files you may wish to copy Key Access File Copy Type Limits Displays all limit LIM files you may wish to rename Key Access File Copy Type Screen Displays all screen GIF and WMF files you may wish to rename Key Access File Copy Type Corrections Displays all corr...

Страница 93: ...disk drives Key Access File Copy Dir Select Accesses the highlighted directory on your display Key Access File Copy Rename Allows you to rename a file Key Access File Rename Now Executes the rename function When the rename is complete the message XXXXXX file renamed to YYYYYY where XXXXXX and YYYYYY are the filenames will appear in the status line on your display Key Access File Rename Type Allows...

Страница 94: ...les you wish to rename according to a selected file attribute The selections include By Date By Name By Extension By Size and Order Up Down Order UP allows you to view files you may wish to rename in ascending order for instance A B C Order Down allows you to view files you may wish to rename in descending order for instance C B A Key Access File Rename Name Accesses the Alpha Editor and allows yo...

Страница 95: ... letters A Z and digits 0 9 may appear in file names 8 characters maximum Additionally file names include a 3 digit extension which is automatically set by the instrument Dir Up Allows you to move up one directory level If at the top level Dir Up moves to the drive level displaying the available disk drives Key Access File More Create Dir Dir Select Accesses the highlighted directory on your displ...

Страница 96: ...iles filename set saved to a floppy ensure the similarly named files with extensions like s01 s02 etc are handled in a like manner For example if you rename of the set file you must rename all the s0x files as well These files are necessary to allow complete restoration of the originally saved Setup Key Access File More Format ...

Страница 97: ...age Cntr 1 the number in the message depends on the active marker The ratio of the resolution bandwidth to span must be greater than 0 002 for the marker count function to work properly Marker Count Widen Res BW appears on the display if the bandwidth to span ratio is less than 0 002 Widen RES BW indicates that the resolution bandwidth must be increased or the span decreased Key Access Freq Count ...

Страница 98: ... and stop frequencies In this scale type the center frequency value will not necessarily represent the horizontal center of the display Key Access FREQUENCY Channel Start Freq Sets the frequency at the left side of the graticule The left and right sides of the graticule correspond to the start and stop frequencies When these frequencies are activated their values are displayed below the graticule ...

Страница 99: ...is function is not available when FREQUENCY Scale Type Log is selected NOTE Frequency Scale Type Log is not available when utilizing the frequency offset function Key Access FREQUENCY Channel Signal Track On Off Moves the signal that is nearest to the active marker to the center of the display and keeps the signal there ST appears in the lower left corner of the display An may appear in the upper ...

Страница 100: ...gments For example if you select 308 points when 3 segments are required to create a logarithmic display the points will be set at 306 points The span determines the minimum number of sweep points Pressing Preset when Preset Type is set to Factory sets Scale Type to Lin NOTE Sweep time is auto coupled when Scale Type Log is selected NOTE Marker Span Pair Frequency Offset Input Mixer Ext Segmented ...

Страница 101: ... short description of any front panel or menu key After pressing Help an explanation of the next key pressed will appear on the display After the information is displayed press any key to remove the help window Pressing ESC allows you to remove the help window without changing functions ...

Страница 102: ...r input Selecting ac coupling blocks any dc voltage at the analyzer input but also decreases the frequency range of the analyzer Input coupling is set to ac by an instrument preset With Preset Type set to Factory Some amplitude specifications apply only when coupling is set to dc Refer to the appropriate amplitude specifications and characteristics for your analyzer CAUTION When operating in dc co...

Страница 103: ...s the attenuator annotation to Ext Mix When Input Mixer Ext is selected the attenuator function in the AMPLITUDE key menu is unavailable Key Access Input Output Input Mixer NOTE When Input Mixer Ext is selected FREQUENCY Scale Type Log is not available NOTE Input Mixer Ext is not available when FREQUENCY Scale Type Log is selected Ext Mix Band Accesses the Ext Mix Band key menus and allows you to ...

Страница 104: ...ode is active the left member of the response pair is the correct response The amplitude accuracy of the analyzer is degraded when signal identification is active and the message Signal Ident On Amptd Uncal will appear on the display Signal ID Mode Allows you to select either of the following types of signal identification methods Key Access Input Output Input Mixer Image Suppress Selects a signal...

Страница 105: ...nd selected when in Harmonic Auto mode Harmonic Man allows you to enter a harmonic value when required If the harmonic mode for the external mixer is listed as 8 for example enter the harmonic number as 8 The minus sign indicates that the tuned frequency is below the desired LO harmonic by the IF of 321 4 MHz Similarly if the harmonic mode of the external mixer is listed as 8 enter the harmonic nu...

Страница 106: ... activates and allows adjustment of an internal bias source for use with external mixers The bias signal is present on the center conductor of the IF INPUT connector on the front panel The mixer bias will be Off if Harmonic Auto and Mixer Type Presel is selected Key Access Input Output Input Mixer Mixer Config ...

Страница 107: ...ker is moved to the trace point nearest to that value Annotation in the active function block and in the upper right corner of the display indicates the frequency and amplitude of the marker time and amplitude if in zero span The marker stays on the trace at the horizontal screen position where it was placed unless Signal Track or a marker to key function such as Mkr CF Mkr RL Mkr CF STEP Mkr Span...

Страница 108: ...nalyzer Functions in the segmented sweep section of this chapter which begins on Segmented on page 149 Key Access Marker NOTE Ref and Delta markers maintain their displayed x axis location but not their frequency values when you change a parameter that redefines the x axis scale Reset these markers when parameters such as Span or Center Freq are changed Span Pair Span Center Enters a mode that all...

Страница 109: ...mode will move the marker to the trace that is automatically selected The selection order is to look for the lowest numbered trace in the following order of trace modes clear write max hold min hold view mode If there are no traces in any of these modes it selects trace 1 Key Access Marker More Readout Accesses the following menu keys that allow you to change the active marker readout Key Access M...

Страница 110: ...arker More Function NOTE For best accuracy set the video bandwidth to at least ten times the resolution bandwidth to minimize its averaging effect NOTE Band Power has no meaning in zero span and the indicated value is independent of signal level and marker placement Marker Noise Reads out the average noise level referenced to a 1 Hz noise power bandwidth If no marker is present a marker appears at...

Страница 111: ...ed within 2 5 of the end of the trace the trace data values in the last half division will be averaged NOTE Do not use Marker Noise to evaluate the displayed average noise level of the analyzer relative to the specification Read the displayed average noise level directly from the display or use the normal marker Refer to Application Note 150 for a discussion of how noise is displayed on a spectrum...

Страница 112: ...ncy so that it is equal to the frequency of the active marker In Delta mode Mkr Start sets the start frequency to the marker delta value Mkr Start is not available in zero span Key Access Marker Mkr Stop Changes the stop frequency so that it is equal to the frequency of the active marker In Delta mode Mkr Stop sets the stop frequency to the marker delta value Mkr Stop is not available in zero span...

Страница 113: ...ed Some common settings can be made for these measurements using the function under the Mode Setup key For example you may select one of several radio standards available by pressing Mode Setup Radio Std NOTE The measurements described in Volume 2 One Button Power Measurements User s and Programmer s Reference are available in SA mode see Mode key Other measurements are available in other modes if...

Страница 114: ...el key It repeats your measurement from the beginning Pressing Restart while a measurement is being made will halt the current measurement at the first possible stopping point and repeat the measurement Key Access Meas Control Measure Single Cont Measure Single takes one measurement sweep and display the measurement results Measure Cont allows you to continuously run a measurement displaying the r...

Страница 115: ... in your instrument before they will appear in the Mode menu Refer to the individual measurement personality mode manuals for instructions on how to install the software Some modes also require the presence of specific hardware Spectrum Analysis Selects the spectrum analysis measurement mode for your analyzer Mode Setup Spectrum Analysis Mode Enables you to change measurement settings common to al...

Страница 116: ... the active window in functions which support split screen display modes such as zone span In split screen display modes pressing Zoom allows you to switch between split screen and full sized displays of the active window See also Zoom NOTE The active window is indicated by a solid green box around the window ...

Страница 117: ...curacy If there is no point of inflection within the LO feedthrough range the point on the trace with maximum amplitude that is higher in frequency than the LO feedthrough range will be selected Peak Search may locate the LO feedthrough when FREQUENCY Scale Type Log is selected Meas Tools Accesses the following frequently used menu keys which are replicated here for your convenience Peak Search Pe...

Страница 118: ...e next peak to the left of the current marker The signal peak must exceed the peak threshold value by the peak excursion value If there is no peak to the left the marker will not move and the No Peak Found error message will appear on the display Also see the Peak Excursion and Peak Threshold key descriptions Key Access Search Min Search Moves the active marker to the minimum detected amplitude va...

Страница 119: ...B function follows the active marker If you turn on a marker after N dB Points has been activated the arrows will follow that marker If the marker associated with N dB Points moves the arrows will move with the marker unless there is no data N dB below the marker Key Access Search More Search Criteria Accesses the following menu keys Key access Search More Peak Excursion Sets the minimum amplitude...

Страница 120: ...or marker position The value of the peak threshold level can be changed using the step keys the knob or the numeric keypad Pressing any digit 0 through 9 on the numeric keypad brings up the selected terminator menu Key access Peak Search More Search Criteria Peak Search Type Allows you to select the peak search mode Key access Peak Search More Search Criteria Max Value When Peak Search Type is set...

Страница 121: ...table The peak table function works with trace 1 only Key Access Search More Peak Table Peak Sort Freq Amptd Switches the peak table sorting routine between listing the peaks in order by descending amplitude or by ascending frequency Key Access Search More Peak Table Peak Readout Accesses the following Peak Readout menu keys Key Access Search More Peak Table Normal Shows up to ten signal peaks Key...

Страница 122: ...eq Channel menu Sets certain conditions to their default values Performs a processor test but does not affect alignment data Clears both the input and output buffers and clears all trace data Sets the amplitude values of trace 2 and 3 to the bottom of the screen Amplitude correction factors are turned off but remain in analyzer memory Limit line testing is turned off but the limit line tables rema...

Страница 123: ...ple external preamp gain and input impedance correction are not affected by a factory preset but may be affected by a user preset NOTE In the System menu if Power On is set to Preset and Preset Type is set to Factory turning on the analyzer performs a factory preset The last state of the analyzer before it was turned off is recalled if Power On is set to Last The user preset state is recalled if P...

Страница 124: ...rker count off Marker counter resolution auto coupled Markers off Max Mixer level 10 dBm Measure Meas Off Radio Std None Reference level 0 dBm in power on units Reference level offset 0 dB Reference level position top 10th graticule Resolution bandwidth 3 MHz auto coupled Span E4401B and E4411B E4402B and E4403B E4404B E4405B E4407B and E4408B 1 5 GHz 3 0 GHz 6 7 GHz 13 2 GHz 26 5 GHz Speaker Off ...

Страница 125: ...led 5 ms auto coupled 16 75 ms auto coupled 33 ms auto coupled 265 ms auto coupled Sweep 401 Threshold level 90 dBm display off Title cleared Trace 1 clear write Trace 2 blank at bottom of display Trace 3 blank at bottom of display Trigger free run Trig Delay Off 1 µsec Trig Offset Off 0 sec VBW RBW ratio 1 000 X auto coupled Video averaging off Video bandwidth 3 MHz auto coupled 1 E4401B E4402B w...

Страница 126: ... On Preset Preset Type User Mode Preset does not change the mode It only resets the current mode settings to the factory defaults and to continuous sweeps measurements Key Access Preset Factory Preset This key is only available when the Preset Type key is set to User Press System Power On Preset Preset Type User A factory preset is executed so all of the instrument modes are returned to the factor...

Страница 127: ... screen to the currently defined printer The screen remains frozen no further sweeps are taken until the data transfer to the printer is complete Refer to the Print Setup key description in this chapter for more information about the structure and definitions of the printer keys If you need to abort a print in progress use the ESC escape key NOTE Printing requires an I O interface The Agilent ESA ...

Страница 128: ...e menu key to Custom allows you to define your printer using the Define Custom menu keys Key Access Print Setup Printer Type Auto When Auto is selected and the Print key is pressed the analyzer will attempt to communicate with the printer and obtain its identification If the printer is identified the print will be successful and no message will appear on the display If the analyzer is not able to ...

Страница 129: ...nt Setup Prints Page 1 2 Selects the number of prints per page when orientation is set to Portrait In Landscape printing Prints Page is always set to 1 Key Access Print Setup Eject Page Ejects your printed page Key Access Print Setup Page Size Allows you to select from the following page sizes Executive Letter Legal Ledger A4 and A3 Key Access Print Setup More Color On Off Allows you to select bet...

Страница 130: ... mode BW Avg Average the averaging function is restarted the trace is reset and the average number is reset to zero If a one button measurement is selected it restarts a previously paused measurement at the beginning If the measurement is active it will stop it as soon as possible and restart it from the beginning Key Access Front panel key It can also be found under Meas Control ...

Страница 131: ...ed presses of this key move back through previously selected menus including previous pages selected by the MORE key NOTE When a menu requiring a yes or no key press has been accessed the Return key will not respond NOTE When entering an alphanumeric value a screen title or filename pressing Return terminates the entry ...

Страница 132: ...ormat will be saved to the C drive For example if you use the File Save menu to configure the analyzer to save Trace 1 in CSV format on the C drive using the automatically generated file name TRACE001 CSV then every time the front panel Save key is pressed Trace 1 will be saved in CSV format and the filename will be incremented TRACE002 CSV TRACE003 CSV This provides a convenient format for saving...

Страница 133: ...ion is met If Average is on BW Avg Average On pressing Single resets the average trace and starts the average again from a count of zero Sweeps are averaged until N sweeps are then taken where N is the average number and then the sweep is halted Some one button measurements require more than one sweep to complete the measurement The measurements selected from the functions under the MEASURE key se...

Страница 134: ... amplitude as the frequency offset puts the signal out of the center of the RBW filter For narrower RBWs you may need to do a tracking peak to adjust the tracking generator frequency See the Tracking Peak and Man Tracking Adjust Amplitude On Off Activates On or deactivates Off the output power of the tracking generator The power level can then be adjusted using the numeric keypad step keys or knob...

Страница 135: ...r is always swept from the source power setting to a higher power setting negative source power sweep values are not allowed Power sweep measurements are particularly useful in making gain compression measurements or output power versus frequency measurements CAUTION When using the power sweep functionality the actual source amplitude will be greater than the source amplitude indicated The source ...

Страница 136: ...tivated Key Access Source More Normalize Normalize On Off Normalize On Activates the normalize function On each sweep the normalized trace Trace 3 is subtracted from Trace 1 and the result is added to the normalized reference level The display shows the result of the following calculation Trace 1 Normalized Trace Normalized Reference Level The trace data is normalized with respect to the normalize...

Страница 137: ... the display Key Access Source More Normalize Ref Trace View BLank Allows you to view or blank the reference trace on the display Key Access Source More Normalize Tracking Peak Agilent E4402B E4403B E4404B E4405B E4407B and E4408B only Activates a routine that automatically adjusts fine frequency tracking to obtain the peak response of the tracking generator on the spectrum analyzer display Tracki...

Страница 138: ...rce More Man Track Adj Agilent E4402B E4403B E4404B E4405B E4407B and E4408B only Allows you to adjust the frequency of the tracking generator oscillator manually using the step keys knob or numeric keypad The tracking adjust is tuned to maximize the amplitude of the trace Key Access Source More NOTE When Source is On resolution bandwidths 1 kHz are not available When the resolution bandwidth is 1...

Страница 139: ...rker If a marker is not already on a marker is placed on the highest on screen signal ignoring the LO feedthrough Signal track is turned on and the span function is activated Entering a new span value causes the analyzer to change the span in steps keeping the signal centered on the screen until the desired span is reached The analyzer is left in Signal Track mode Pressing Span Zoom performs the r...

Страница 140: ...ted sweep editor to 0 Hz Sweep Segmented Modify Edit Span NOTE The minimum number of sweep points in zero span varies with software revision NOTE Zero Span sets Signal Track Off and FREQUENCY Scale Type to linear mode Last Span Changes the analyzer frequency span to the previous span setting If pressed after Signal Track is turned off the span setting returns to the span that was in effect before ...

Страница 141: ...evel amplitude scale and scale div for each window The values for these parameters can be changed for each window independently To activate the top window press the Next Window key located below the display The active window is distinguished by a green border Only the active window will have a sweep taken and updated to the display When the active window is toggled the state for the active window ...

Страница 142: ...indow As the zone markers are moved the span of the lower window is changed but the lower window will not be updated to reflect the change unless it is selected as the active window See Zone On Off The span limit of the lower window is the same as the span limit of the analyzer The span for the lower window is not limited to the selected span of the upper window However if the frequency span of th...

Страница 143: ...d then moves the zone so that it is centered around the new peak The zone span is not changed The center frequency of the lower window changes to reflect the new zone center frequency The lower window will not be updated until it is made active If no peak is found the zone will not be moved A signal must obey the parameters defined in Search Search Param to be identified as a peak signal Pressing ...

Страница 144: ...nel Key Reference Standby Removes power from the analyzer except for a small portion of circuitry inside the switching power supply No internal time base circuitry or any other function outside of the power supply is powered when the analyzer is in standby ...

Страница 145: ...s may generate measurement errors If this happens the error message Meas Uncal will appear in the upper right corner of the display When the Average detector is selected and the amplitude scale is linear the fastest sweet time is 8 milliseconds In zero span The minimum sweep time is determined by the maximum sample rate of the ADC and the number of sweep points With Option B7D the fastest sweep ti...

Страница 146: ... is less than 20 times the bandwidth of the device under test Key Access Sweep Gate Requires Option 1D6 Time Gate Accesses the following menu keys that allow you to setup various gate parameters Key Access Sweep Gate On Off Requires Option 1D6 Time Gate Turns the gate function on and off When set to Gate On the video signal that is digitized is controlled by the gate circuitry The gate circuitry s...

Страница 147: ...dge and Level triggering of the gate Gate Control Edge opens the gate in response to an edge trigger on the trigger input after a delay set in Gate Delay The gate stays open for the selected Gate Length When Gate Control Level is selected the gate is open as long as the trigger input is true as defined under the Level Gate key Key Access Sweep Gate Edge Gate Accesses menu keys that allow you to se...

Страница 148: ... sweep time becomes If Preset is pressed and Preset Type is set to Factory or the analyzer power is cycled the number of points per sweep will default to 401 The current value of points is displayed next to the sweep time When FREQUENCY Scale Type Log is selected the desired number of sweep points may not be possible Refer to Scale Type Log Lin on page 100 for more information Changing the number ...

Страница 149: ...s of individual segments go to the editor Sweep Segmented Modify Edit and refer to the parameter key descriptions below For measurement examples of the segmented sweep function refer to the Agilent ESA Spectrum Analyzers Measurement Guide Key Access Sweep NOTE This feature is only available on ESA E series analyzers E4401B E4402B E4404B E4405B E4407B with software revision Α 05 00 Segmented On Off...

Страница 150: ...hirty two segments are possible only 8 rows of data are shown in the table at a time Use the tab keys or softkey menu to navigate the editor When defining a new segment you may use the numeric keypad to set values Pressing Enter places the value in the table and highlights the next parameter available for modification NOTE The order of the segments may change when you enter center frequency or spa...

Страница 151: ... readings are straightforward because the y axis is consistent over all segments Frequency or time readings require consideration of differences in sweep time number of and span when interpreting measurements across segments Marker delta functions differently depending upon the type of segment in which it is activated If you turn on marker delta in a segment set to 0 Hz span it remains in that seg...

Страница 152: ...pe file segmented sweep will not turn on if any of the parameters in the file contain optional instrument settings not currently loaded on the analyzer or frequency settings outside the current range of the analyzer Edit Accesses the segmented sweep editor where a maximum of thirty two segments can be defined by the segment number and the six parameters described below Use the data control keys de...

Страница 153: ... kHz and 5 MHz for the current segment using the data control keys For more information on this function refer to BW Avg on page 62 Key Access Sweep Segmented Modify Edit Video BW Allows you to set the video bandwidth for the current segment to a value between 30 Hz and 3 MHz For more information refer to Video BW Auto Man on page 62 Key Access Sweep Segmented Modify Edit Points Allows you to set ...

Страница 154: ... information Key Access Sweep Segmented Modify Edit More NOTE The parameters for each segment are limited to ensure the occurrence of only calibrated measurements Delete Segment Deletes the highlighted segment Key Access Sweep Segmented Modify Edit More Delete Segment Initiates the deletion of all segments After pressing this key once the message If you are sure press key again to delete will be d...

Страница 155: ...d time identify the first time and the last time if there is more than one of the same type of error an error occurred The number of identical errors is shown and the error number is also shown with software revision A 08 00 and later Key Access System Prev Page Allows you to access the previous page of error messages It is grayed out if you are on the first page or only one page exists Key Access...

Страница 156: ...ate that is recalled at power on Limit lines are not recalled when the analyzer is powered on Refer to Preset in this chapter for more information Key Access System Power On Preset Preset Type Allows you to select User Mode or Factory preset Key Access System Power On Preset User Pressing Preset User sets the analyzer to the settings defined by the Save User Preset key Refer to Preset in this chap...

Страница 157: ... the real time clock Enter the time in 24 hour HHMMSS format using the numeric keypad and pressing Enter Valid hour HH values are from 00 to 23 Valid minute MM and second SS values are from 00 to 59 Key Access System Time Date Set Date Allows you to set the date of the real time clock Enter the date in the YYYYMMDD format using the numeric keypad and press Enter Valid year YYYY values are 0000 thr...

Страница 158: ...etrace that causes the clicking sounds To eliminate the clicking sounds turn the auto alignment off by pressing System Alignments Auto Align Off When this is done the Align Now All function should be performed periodically Refer to the appropriate Specifications and Characteristics chapter of your Specifications Guide for more information on how often to perform Align Now All when the auto alignme...

Страница 159: ...hould be performed on Agilent E4402B E4403B E4404B E4405B E4407B and E4408B Refer to your analyzer s appropriate Specifications Guide for details on using Align Now when Auto Align is Off Freq Correct On Off Controls use of some of the correction factors When On is underlined frequency correction factors are used When Off is underlined frequency correction factors are not used and Freq Corr Off ap...

Страница 160: ... in your analyzer It also displays the instrument model number product number serial number software revision number Host ID for licensing bootrom revision and amount of RAM and ROM Key Access System More Prev Page Allows you to access the previous page of show system It is grayed out if you are on the first page or only one page exists Key Access System More Show System Next Page Allows you to ac...

Страница 161: ... Color Palette Monochrome Sets the display screen to green monochrome The monochrome display uses different shades of green for each green value This is especially useful for driving external monochrome monitors Key Access System More Color Palette Diagnostics Accesses the Front Panel Test menu key Key Access System More Front Panel Test Allows you to verify the functionality of each front panel k...

Страница 162: ...at MDY Display Viewing Angle 4 External Amplifier Gain 0 dBm GPIB Address 18 Input Impedance 50 Ohm 1 Instrument Color Palette Default palette Manual Tracking Adjustment 2048 Page Size Letter Power On Last Preset Preset Preset Factory User Mode Print Format Print screen mode Print Orientation Portrait Printer Selection Auto Prints Page 1 RS 232 Baud Rate 9600 RS 232 DTR Control On hardware pacing ...

Страница 163: ...eviously entered with License Key If your entry was correct the option will be enabled and the message Option activated will appear in the status line of your display The option number and license key number will also be cleared from the License Key and Option key If your entry was incorrect the error message License key invalid will appear in the status line of your display The option number and ...

Страница 164: ...talling personalities Key Access System More More NOTE Some files are shared between personalities If shared files are installed a personality may require less room than is indicated on the display The Uninstall key will not delete any shared file unless the personality being deleted is the last personality to use the shared file Prev Page Allows you to view a previous page of installed personalit...

Страница 165: ... message Can t uninstall this program will appear on the display Key Access System More More Personalities Service Accesses the Service menu keys You must have a password to access this menu For information refer to the troubleshooting chapter in the your Service Guide Key Access System More More ...

Страница 166: ...166 Chapter2 Front Panel Key Reference Tab Keys Front Panel Key Reference Tab Keys The Tab keys are located below the display and are used to move between fields in the tables and forms ...

Страница 167: ... be changed Clear Write Erases any data previously stored in the selected trace and continuously displays any signals during the sweep of the analyzer This function is activated for trace 1 at power on and by pressing Preset Key Access Trace View Max Hold Maintains the maximum level for each trace point of the selected trace 1 2 or 3 and updates each trace point if a new maximum level is detected ...

Страница 168: ...ude data for the selected trace and removes it from the display The selected trace register will not be updated as the analyzer sweeps This function is activated for traces 2 and 3 at power on and by pressing Preset when Preset Type is set to Factory Key Access Trace View Operations Accesses the following Operations menu keys Key Access Trace View More 1 2 Exchanges the contents of the trace 1 reg...

Страница 169: ...he normalized reference level is changed This function remains in effect on all subsequent sweeps until it is turned off NOTE Segmented sweep is not available when Normalize On is selected CAUTION Trace 1 should be in clear write mode prior to setting normalize to on The normalize function is most useful for applying correction data to a trace while making a stimulus response measurement with a tr...

Страница 170: ...m Ref Posn Offsets the displayed trace without affecting the instrument gain or attenuation settings This allows the displayed trace to be moved without decreasing measurement accuracy The normalized reference position is indicated with a character on the left side of the display and a character on the right side of the display Key Access Trace View More Normalize Ref Trace View Blank Allows you t...

Страница 171: ... the next sweep to be synchronized with the next cycle of the line voltage Key Access Trig NOTE Line trigger is not available when operating from a dc power source External Pos Neg Activates the trigger condition that allows the next sweep to start when the external voltage connected to GATE TRIG EXT TRIG IN on the rear panel passes through approximately 1 5 volts The external trigger signal must ...

Страница 172: ...t span If this key is pressed in swept spans the error message Trigger Offset unavailable in swept spans is displayed in the status line The value and state of Trigger Offset is remembered if Zero Span is exited and restored when Zero Span is reselected NOTE This function is only available with Resolution Bandwidths of 1 kHz or greater If this key is pressed when the Resolution Bandwidths is less ...

Страница 173: ...responding line in the new Field For example suppose line 264 is selected while in the NTSC M standard and the Entire Frame mode This is the first line in Field Two If Field Two is then selected the Line number changes to Line 1 the same actual line in the TV signal If Field One is then selected the line number stays at 1 but now we are triggering in the first line in Field One The only exception ...

Страница 174: ... Trig Setup Standard Accesses the Standard menu keys which allow you to select from the following TV standards NTSC M NTSC Japan PAL M PAL B D G H I PAL N PAL N Combin SECAM L Key Access Trig More TV Trig Setup TV Source Allows you to select between the internal analyzer path SA or the EXT VIDEO IN connector on the rear panel Ext Video In as the source for the TV Trigger and TV Monitor functions N...

Страница 175: ...ore RF Burst Setup Frequency Selectivity On Off Allows you to turn frequency selectivity on or off With Frequency Selectivity Off selected the trigger occurs on the signal prior to the resolution bandwidth filter When Frequency Selectivity On is selected the trigger occurs on the signal after the resolution bandwidth filter Key Access Trig More RF Burst Setup Narrow Pulse Discriminator On Off Turn...

Страница 176: ...row Keys Front Panel Key Reference UP and DOWN Arrow Keys The UP and DOWN arrow keys can be used to adjust the analyzer parameters incrementally The arrow keys are also used to select between files or points on a list These keys are also called step keys ...

Страница 177: ...e display The viewing angle keys are located next to each other at the upper left hand corner of the analyzer bordering the display These two keys allow you to adjust the intensity of the objects on the display so that it can be optimally viewed from different angles The Viewing Angle keys automatically repeat when they are held down ...

Страница 178: ...r functions which support split screen display modes The active window is indicated by a solid green line surrounding the window If Zoom is pressed while in a non split screen display mode it will activate the zone span mode See Span Zone and also Next Window If Zoom is pressed when zone markers are off it will turn on zone markers and put the display in split screen mode See Span Zone ...

Страница 179: ...andard Commands for Programmable Instruments fundamentals to those who have previous experience in programming SCPI This chapter is not intended to teach you everything about the SCPI programming language If you are using an optional programming compatibility modes you should refer to the manual that came with the option ...

Страница 180: ...EEE Standard 488 2 1992 IEEE Standard Codes Formats Protocols and Common Commands for Use with ANSI IEEE Std 488 1 1987 New York NY 1992 Valid ESA Spectrum Analyzer SCPI commands are used for examples in this chapter Topics included in this chapter are Creating Valid Commands Command Notation Syntax Special Characters in Commands Parameters in Commands Improving Measurement Speed Putting Multiple ...

Страница 181: ...l identical They will all cause the same result Sense Band Res 1700 BANDWIDTH RESOLUTION 1 7e3 sens band 1 7KHZ SENS band 1 7E3Hz band 1 7kHz bandwidth RES 1 7e3Hz CALCulate MARKer 1 2 3 4 Y The last command below returns different results than the commands above it The number 3 in the command causes this See the command description for more information CALC MARK Y calc mark y CALC MARK2 Y SENSe D...

Страница 182: ...l 2 5V The instrument does not distinguish between upper and lower case letters In the documentation upper case letters indicate the short form of the key word The upper and lower case letters together indicate the long form of the key word Either form may be used in the command Example Trig Seq Vid Lev 2 5V is the same as trigger sequence video level 2 5V NOTE The command TRIGG Sequence Video Lev...

Страница 183: ...cal commands are SENSe CHPower BANDwidth INTegration SENSe CHPower BWIDth INTegration Key words in square brackets are optional when composing the command These implied key words will be executed even if they are omitted Command SENSe BANDwidth RESolution AUTO The following commands are all valid and have identical effects bandwidth auto bandwidth resolution auto sense bandwidth auto Angle bracket...

Страница 184: ...iptions If no units are sent the indicated default units will be used Units can follow the numerical value with or without a space Variable A variable can be entered in exponential format as well as standard numeric format The appropriate variable range and its optional units are defined in the command description In addition to these values the following key words may also be used in commands whe...

Страница 185: ...0 and 100 with no units rel_power A relative power parameter is a positive rational number followed by optional units The default units are dB Acceptable units are dB only string A string parameter includes a series of alpha numeric characters time A time parameter is a rational number followed by optional units The default units are seconds Acceptable units include S MS US Block Program Data Defi...

Страница 186: ...al digits bytes there are in the header The numbers 12320 indicates 12 thousand 3 hundred 20 data bytes follow the header To determine how may points in the block divide 12320 by your selected data format bytes point Divide by 8 for real 64 or 4 for real 32 In this example there are 1540 points in the block if your selected data format is real 64 ...

Страница 187: ...rather than a person there is no need to display the data on the analyzer screen Disable auto alignment CALibration AUTO OFF disables the automatic alignment process of the instrument Automatic alignment processing occurs at the end of each sweep In a stable operating environment automatic alignment consumes very little instrument resources However in a high throughput application any demand upon ...

Страница 188: ... You may need to swap the byte order if you are using a PC rather than UNIX NORMal is the default byte order Use FORMat BORDer SWAP to change the byte order so that the least significant byte is sent first When using the binary format data is sent in a block of bytes with an ASCII header A data query would return the block of data in the following format DNNN nnn binary data bytes To parse the dat...

Страница 189: ...if the loops could be nested in a different order to reduce the number of parameter changes as you step through the test Are you are using the pre configured Measurements MEASURE key Remember that if you have already set your Meas Setup parameters for a measurement and you want to make another one of these measurements later use READ meas The MEASure meas command resets all the settings to the def...

Страница 190: ...is is the case There is no current SCPI standard for RS 232 Although one intent of SCPI is to be interface independent END is only defined for IEEE 488 operation At the time of this writing the RS 232 terminator issue was in the process of being addressed in IEEE standard 1174 A semicolon is not a SCPI terminator it is a separator The purpose of the separator is to queue multiple commands or queri...

Страница 191: ...puts you back at the SENSE level You must specify POW to get to the MIX RANG command FREQ STAR 30MHz POW MIX RANG 20dBm FREQ STAR 30MHz POW MIX RANG 20dBm MIX and RANG require a colon to separate them POW ATT 40dB TRIG FREQ STAR 2 3GHz POW ATT 40dB FREQ STAR 2 3GHz FREQ STAR is in the SENSE subsystem not the TRIGGER subsystem POW ATT FREQ STAR POW ATT FREQ STAR POW and FREQ are within the same SEN...

Страница 192: ...are understood by all instruments in the network When combined with the programming language codes they provide all management and data communication instructions for the system Refer to the programming language manual and your computers I O programming manual for more information The seven fundamental command functions are as follows An abort function that stops all listener talker activity on th...

Страница 193: ...um Analyzer clear does the following 1 Clears the Input Buffer and the Output Queue 2 Resets the parser 3 Clears any current operations such as OPC i e returns the device to Operation Complete Query Idle State and Operation Complete Command Idle State 4 Aborts resumes the current sweep An output function that is used to send function commands and data commands from the controller to the addressed ...

Страница 194: ...he serial interface Some common serial interface configuration settings are Handshake and Baud Rate To determine hardware operating parameters you need to know the answer for each of the following questions about the peripheral device Which of the following signal and control lines are actively used during communication with the peripheral Data Set Ready DSR Clear to Send CTS What baud rate is exp...

Страница 195: ...e clear the Data Terminal Ready signal Data Transfer Errors The serial interface can generate several types of errors when certain conditions are encountered while receiving data from the peripheral device Errors can be generated by any of the following conditions Parity error The parity bit on an incoming character does not match the parity expected by the receiver This condition is most commonly...

Страница 196: ...196 Chapter3 Programming Fundamentals Overview of RS 232 Option 1AX Programming Fundamentals ...

Страница 197: ...chapter contains a comprehensive description of status registers explaining what status registers are and how to use them so you can use a program to monitor the instrument Information about all of the bits of the status registers is also provided ...

Страница 198: ...hical order The service request enable register is at the top of the hierarchy and contains the general status information for the analyzer events and conditions The lower priority status registers propagate their data to the higher priority registers in the data structures by means of summary bits These registers are used to determine the states of specific events or conditions Figure 4 1 Status ...

Страница 199: ...ons Condition Register A condition register continuously monitors the hardware and firmware status of the analyzer There is no latching or buffering for a condition register Negative Transition Filter A negative transition filter specifies the bits in the condition register that will set corresponding bits in the event register when the condition bit changes from 1 to 0 Positive Transition Filter ...

Страница 200: ...200 Chapter 4 Status Registers Use Status Registers to Determine the State of Analyzer Events and Conditions Status Registers Figure 4 2 Overall Status Register System Diagram ...

Страница 201: ... to produce the request service RQS bit in the status byte register How Do You Access the Status Registers There are two different methods to access the status registers Common Commands Accesses and Controls Status Subsystem Commands Common Command Access and Control Most monitoring of the analyzer conditions is done at the highest level using the following IEEE common commands CLS clear status cl...

Страница 202: ... to programmatically detect and manage error conditions or changes in analyzer status Either method allows you to monitor one or more conditions The two methods are The Polling Method The Service Request SRQ Method The Polling Method In the polling method the analyzer has a passive role It only tells the controller that conditions have changed when the controller asks the right question The pollin...

Страница 203: ...h how service requests are generated Bit 6 of the status byte register is the request service summary RQS bit The RQS bit is set whenever there is a change in the register bit that it has been configured to monitor The RQS bit will remain set until the condition that caused it is cleared It can be queried without erasing the contents using the STB command Configure the RQS function using the SRE c...

Страница 204: ...a particular bit condition or bits Once you have enabled a bit using the event enable register the analyzer will monitor that particular bit If the bit becomes true in the event register it will stay set until the event register is cleared Querying the event register allows you to detect that this condition occurred even if the condition no longer exists The event register can only be cleared by q...

Страница 205: ...f their purpose Status Byte Register Figure 4 4 Status Byte Register Diagram Bit Number 7 8 9 10 11 12 13 14 15 6 5 4 3 2 1 0 2 0 4 8 5 1 2 3 2 1 6 4 8 1 1 6 3 8 4 8 1 9 2 4 0 9 6 1 0 2 4 1 2 8 2 5 6 6 4 D e c i m a l V a l u e 3 2 7 6 8 2 ck730a ck763a Unused Status Byte Register Unused Error Event Queue Summary Bit Questionable Summary Bit Status Message Available MAV Standard Event Summary Bit ...

Страница 206: ... Description 0 1 Unused This bit is always set to 0 1 2 Unused This bit is always set to 0 2 4 Error Event Queue Summery Bit A 1 in this bit position indicates that the SCPI error queue is not empty The SCPI error queue contains at least one error message 3 8 Questionable Status Summary Bit A 1 in this bit position indicates that the questionable status summary bit has been set The questionable st...

Страница 207: ...is used to determine the specific event that sets bit 5 in the status byte register The standard event status register does not have negative and positive transition registers nor a condition register Use the IEEE common commands at the beginning of Chapter 5 Remote Command Reference in this guide to access the register To query the standard event status register send the ESR command The response ...

Страница 208: ...Query Error A 1 in this bit position indicates that a query error has occurred Query errors have SCPI error numbers from 499 to 400 3 8 Device Dependent Error A 1 in this bit position indicates that a device dependent error has occurred Device dependent errors have SCPI error numbers from 399 to 300 and 1 to 32767 4 16 Execution Error A 1 in this bit position indicates that an execution error has ...

Страница 209: ... value of the sum of the bits previously enabled with the ESE number command Figure 4 7 Standard Event Status Event Enable Register STATus OPERation Register The STATus OPERation register is used to determine the specific event that sets bit 7 in the status byte register This register also monitors the current measurement state and checks to see if the analyzer is performing any of these functions...

Страница 210: ...er Events and Conditions Status Registers Figure 4 8 Status Operation Register Diagram The STATus OPERation condition register contains the following bits Bit Decimal Value Description 0 0 Calibrating A 1 in this bit position indicates that the analyzer is performing a self calibration ...

Страница 211: ...wait for trigger state 6 64 Reserved This bit is not used by the analyzer but is for future use with other Agilent products 7 128 Reserved This bit is not used by the analyzer but is for future use with other Agilent products 8b 256 Paused A 1 in this bit position indicates that the instrument is in the paused state of the measurement 9 512 Reserved This bit is not used by the analyzer but are for...

Страница 212: ... choose the bits that will set the operation status summary bit bit 7 of the status byte register to 1 Send the STATus OPERation ENABle num command where num is the sum of the decimal values of the bits you want to enable For example to enable bit 9 and bit 3 so that whenever either bit 9 or 3 is set to 1 the operation status summary bit of the status byte register will be set to 1 send the STATus...

Страница 213: ...sition filter specifies which types of bit state changes in the condition register will set corresponding bits in the event register The changes may be positive from 0 to 1 or negative from 1 to 0 Send the command STATus QUEStionable NTRansition num negative transition or STATus QUEStionable PTRansition num positive transition where num is the sum of the decimal values of the bits you want to enab...

Страница 214: ...nt Enable Register Status QUEStionable Negative Transition Filter Status QUEStionable Positive Transition Filter Status 0 1 2 3 4 5 6 7 8 9 10 11 12 14 13 15 0 1 2 3 4 5 6 7 8 9 10 11 12 14 13 15 0 1 2 3 4 5 6 7 8 9 10 11 12 14 13 15 0 1 2 3 4 5 6 7 8 9 10 11 12 14 13 15 0 1 2 3 4 5 6 7 8 9 10 11 12 14 13 15 ck759a FREQuency Summary CALibration Summary INTregrity Sum Reserved Reserved Reserved Res...

Страница 215: ...ermine the State of Analyzer Events and Conditions Status Registers STATus QUEStionable POWer Register Figure 4 10 Questionable Status Power Register Diagram Bit descriptions in the Questionable Status Power Condition Register are given in the following table ...

Страница 216: ...indicates that the local oscillator LO in the source tracking generator is unleveled 3 8 LO Unleveled A 1 in this bit position indicates that the analyzer local oscillator LO is unleveled 4 16 50 MHz Osc Unleveled A 1 in this bit position indicates that the 50 MHz amplitude reference signal is unleveled 5 32 Reserved This bit is not used by the analyzer but is for future use with other Agilent pro...

Страница 217: ...lowing table Bit Decimal Value Description 0 1 Reserved This bit is not used by the analyzer but are for future use with other Agilent products 1 2 Reserved This bit is not used by the analyzer but are for future use with other Agilent products 2 4 Reserved This bit is not used by the analyzer but are for future use with other Agilent products 3 8 POWer Summary This is the summary bit for the Ques...

Страница 218: ...pecified by the transition filters Event registers are destructive read only Reading data from an event register will clear the content of that register To query the event register send the command STATus QUEStionable POWer EVENt See Questionable Status Event Enable Register on page 216 for an explanation of how to set the summary bit using the event enable register In this case use the command ST...

Страница 219: ... the State of Analyzer Events and Conditions Status Registers STATus QUEStionable FREQuency Register Figure 4 12 Questionable Status Frequency Register Diagram Bit descriptions in the Questionable Status Frequency Condition Register are given in the following table ...

Страница 220: ...s that the analyzer synthesizer is unlocked 5 32 Invalid Span or BW A 1 in this bit position indicates an invalid span or bandwidth during frequency count 6 64 Reserved This bit is not used by the analyzer but are for future use with other Agilent products 7 128 Reserved This bit is not used by the analyzer but are for future use with other Agilent products 8 256 Reserved This bit is not used by t...

Страница 221: ...vent register The changes may be positive from 0 to 1 or negative from 1 to 0 Send the command STATus QUEStionable FREQuency NTRansition num negative transition or STATus QUEStionable FREQuency PTRansition num positive transition where num is the sum of the decimal values of the bits you want to enable The Questionable Status Frequency Event register latches transition events from the condition re...

Страница 222: ... Status Registers Use Status Registers to Determine the State of Analyzer Events and Conditions Status Registers STATus QUEStionable CALibration Register Figure 4 13 Questionable Status Calibration Register Diagram ...

Страница 223: ... occurred while trying to align the local oscillator LO 6 64 ADC Align Failure A 1 in this bit position indicates that a failure has occurred while trying to align the analog to digital converter ADC 7 128 FM Demod Align Failure A 1 in this bit position indicates that a failure has occurred while trying to align the FM demodulation circuitry Agilent ESA models E4401B E4402B E4404B E4405B and E4407...

Страница 224: ...t used by the analyzer but is for future use with other Agilent products 14 16384 Align Needed A 1 in this bit position indicates that a full alignment is needed perhaps due to a large temperature change having been detected with auto align off or due to default data being used 15 32768 Always Zero 0 This bit is always set to 0 Bit Decimal Value Description ...

Страница 225: ...zer Events and Conditions Status Registers STATus QUEStionable INTegrity UNCalibrated Register Figure 4 14 Questionable Status Integrity Uncalibrated Register Diagram Bit descriptions in the Questionable Status Integrity Uncalibrated Condition Register are given in the following table ...

Страница 226: ...ideo bandwidth Auto coupling may resolve this problem 1 2 Signal Ident ON A 1 in this bit position indicates that amplitude measurements may be in error due to signal identification routines being active Amplitude accuracy is degraded when signal identification is active Agilent ESA model E4407B Option AYZ External Mixing only 2 4 Reserved This bit is not used by the analyzer but is for future use...

Страница 227: ... Registers The Questionable Status Integrity Uncalibrated Condition Register continuously monitors the calibration status of the analyzer Condition registers are read only To query the condition register send the command STATus QUEStionable INTegrity UNCalibrated CONDition The response will be the decimal sum of the bits which are set to 1 The transition filter specifies which types of bit state c...

Страница 228: ... the State of Analyzer Events and Conditions Status Registers STATus QUEStionable INTegrity Register Figure 4 15 Questionable Status Integrity Register Diagram Bit descriptions in the Questionable Status Integrity Condition Register are given in the following table ...

Страница 229: ...at the analog to digital converter ADC 6a 64 Under Range A 1 in this bit position indicates that the signal is too small at the analog to digital converter ADC 7a 128 Insufficient Data A 1 in this bit position indicates that there is not enough information to perform the measurement or function 8a 256 Acquisition Failure A 1 in this bit position indicates that the demod algorithm cannot correlate ...

Страница 230: ...ion num positive transition where num is the sum of the decimal values of the bits you want to enable The Questionable Status Integrity Event Register latches transition events from the condition register as specified by the transition filters Event registers are destructive read only Reading data from an event register will clear the content of that register To query the event register send the c...

Страница 231: ...ter contains SCPI Standard Commands for Programmable Instruments programming commands for the spectrum analyzer core operation Refer to Volume 2 for the commands associated with the one button measurements that are available when you press the front panel MEASURE key ...

Страница 232: ...ment the information presented in this chapter Refer to Chapter 2 Front Panel Key Reference on page 39 in this guide for additional information about the operation of each analyzer function Use the analyzer HELP key to obtain similar information about analyzer key functions Refer to the Agilent 8590 ESA Spectrum Analyzers Programming Conversion Guide for specific backwards compatibility informatio...

Страница 233: ...struments Version 1997 0 May 1997 for a more complete description of the SCPI instrument model The SCPI subsystems in this chapter are listed in alphabetical order Likewise the SCPI commands are in alphabetical order within the subsystem in which they belong Refer to the following table to locate SCPI command subsystems and subsections by page number SCPI Subsystem Subsection Page IEEE Common Comm...

Страница 234: ...Rection page 312 SENSe DEMod page 316 SENSe DETector page 319 SENSe FREQuency page 323 SENSe MIXer page 328 SENSe POWer page 331 SENSe SIDentify page 334 SENSe SWEep page 336 SOURce page 345 STATus page 351 STATus QUEStionable page 353 SYSTem page 363 TRACe page 373 TRIGger page 380 UNIT page 390 SCPI Subsystem Subsection Page ...

Страница 235: ...lignment and a subsequent CAL RF will be required for the analyzer to meet its specified performance The query performs a full alignment and returns a number indicating the success of the alignment A zero is returned if the alignment is successful even if only a subset of the RF alignment is performed Front Panel Access System Alignments Align All Now Clear Status CLS Clears the status byte It doe...

Страница 236: ...as The field definitions are as follows Manufacturer Model Serial number Firmware version Example Hewlett Packard E4401B US39120213 A 06 00 NOTE As shown in the example the analyzer returns Hewlett Packard as the manufacturer even though it is now manufactured by Agilent Technologies This is intentional Agilent Technologies was created out of the Hewlett Packard company and the Hewlett Packard nam...

Страница 237: ... SYST SET NMMM state_data Operation Complete OPC OPC Sets bit 0 in the standard event status register to 1 when all pending operations have finished The query stops any new commands from being processed until the current processing is complete Then it returns a 1 and the program continues This query can be used to synchronize events of other instruments on the external bus OPC and OPC are currentl...

Страница 238: ... older revision Front Panel Access File Recall State Reset RST This command presets the instrument to a factory defined condition that is appropriate for remote programming operation RST is equivalent to performing the two commands SYSTem PRESet and CLS This command always performs a factory preset NOTE The preset performed by RST is always a factory preset That is the same preset performed by SYS...

Страница 239: ...Remarks See CLS Trigger TRG This command triggers the instrument Use the TRIGger SEQuence SOURce command to select the trigger source Remarks See also the INITiate IMMediate command Self Test Query TST This query is used by some instruments for a self test For Agilent ESA analyzers TST always returns 0 no tests are performed Front Panel Access System Alignments Align All Now Wait to Continue WAI T...

Страница 240: ...ments found in the MEASURE menu SCPI commands associated with these measurements are located in Volume 2 If INITiate CONTinuous is off single measure then INITiate IMMediate will start a new single measurement If INITiate CONTinuous is on continuous measure a new continuous measurement begins immediately The INITiate and TRIGger subsystems contain additional related commands Front Panel Access Res...

Страница 241: ... CALCulate BWIDth BANDwidth STATe must be ON NOTE To query the result of NdBpoints use the command CALCulate BWIDth BANDwidth RESult Factory Preset and RST 3 dB Range 80 dB to 1 dB Default Unit dB Remarks Refer to CALCulate BWIDth BANDwidth STATe for an explanation of this marker function Front Panel Access Peak Search or Search N dB Points NdBresults CALCulate BWIDth BANDwidth RESult Returns the ...

Страница 242: ...on N dB Points is associated with the active marker If no marker is active at the time this command is turned on marker 1 becomes the active marker and a peak search is performed No restrictions exist for moving the bandwidth measurement function markers to any other signal on the display However when this function is turned on all other concurrent marker functions are suspended Front Panel Access...

Страница 243: ...INe 1 2 AMPLitude INTerpolate TYPE LOGarithmic LINear CALCulate LLINe 1 2 AMPLitude INTerpolate TYPE Selects the type of interpolation done for the amplitude values of the designated limit line when comparing to measured data Factory Preset and RST Not affected by preset Remarks Once this function is defined the selected type is persistent Persistent means that it retains the setting previously se...

Страница 244: ...y values in a limit line table are relative values and positions the limit line relative to the center frequency settings Relative limit lines are specified in relative frequency and are positioned with respect to the current center frequency When the current center frequency value is changed the segment frequencies are converted according to the current center frequency value For Time Parameters ...

Страница 245: ...rpolation CALCulate LLINe 1 2 CONTrol INTerpolate TYPE LOGarithmic LINear CALCulate LLINe 1 2 CONTrol INTerpolate TYPE Selects the type of interpolation done for the frequency values of the designated limit line when comparing to measured data This only applies in the frequency domain This function does not work in zero span when the analyzer is in the time domain Remarks Once this function is def...

Страница 246: ...mpl 120 dBm to 100 dBm connected 0 or 1 Remarks If two amplitude values are entered for the same frequency a single vertical line is the result In this case if an upper line is chosen the amplitude of lesser frequency amplitude 1 is tested If a lower line is chosen the amplitude of greater frequency amplitude 2 is tested For linear amplitude interpolation and linear frequency interpolation the int...

Страница 247: ...or is reported Up to 200 points total may be defined for each limit x axis can be frequency or time values as specified by CALCulate LLINe CONTrol DOMain Frequencies are always in Hz Time is always in seconds No unit is allowed in this parameter ampl amplitude values are in the current Y axis units No unit is allowed in this parameter connected connected values are either 0 or 1 A 1 means this poi...

Страница 248: ...y if margin or limit test is On Use the command CALCulate LLINe 1 2 STATe OFF ON 0 1 to activate limit line testing Set the Margin Size CALCulate LLINe 1 2 MARGin rel_ampl CALCulate LLINe 1 2 MARGin Allows you to define the amount of measurement margin that is added to the designated limit line Factory Preset and RST not affected Default Units dB Remarks The margin must be negative for upper limit...

Страница 249: ...utomatically turned off Use CALCulate LLINe 1 2 FAIL to return the state of pass or fail after limit line state has been turned on Factory Preset and RST Off Front Panel Access Display Limits Limit 1 2 Limit On Off Select the Type of Limit Line CALCulate LLINe 1 2 TYPE UPPer LOWer CALCulate LLINe 1 2 TYPE Sets a limit line to be either an upper or lower type limit line An upper line will be used a...

Страница 250: ...peak Refer to Continuous Pk On Off on page 118 for more information NOTE This function is intended to maintain the marker on signals with a frequency that is changing and an amplitude that is not changing Factory Preset and RST Off Remarks This command may not be used to activate a given marker Front Panel Access Peak Search or Search Continuous Pk On Off Frequency Counter Marker Resolution CALCul...

Страница 251: ...frequency counter To query the frequency counter use CALCulate MARKer 1 FCOunt X If the specified marker number is not the active marker it becomes the active marker If the specified marker number is not on it is turned on and becomes the active marker Once the marker count is on it is on for any active marker not just for the one used in the command A 1 is returned only if marker count is on and ...

Страница 252: ...are in progress that measurement will be stopped Front Panel Access Marker Function Marker Peak Maximum Search CALCulate MARKer 1 2 3 4 MAXimum Performs a peak search based on the search mode settings of CALCulate MARKer PEAK SEARch MODE NOTE See command CALCulate MARKer PEAK SEARch MODE Front Panel Access Peak Search or Search Meas Tools Peak Search Marker Peak Maximum Left Search CALCulate MARKe...

Страница 253: ...l peak to the right of the current marked peak Remarks The marker will be placed at the highest peak that rises and falls by at least the peak excursion above the peak threshold If no peak meets the excursion and threshold criteria a No Peak Found error 202 is given Front Panel Access Peak Search or Search Next Pk Right Marker Peak Minimum Search CALCulate MARKer 1 2 3 4 MINimum Places the selecte...

Страница 254: ...weep points will decrease that affect and improve the repeatability Span activates a pair of span markers where the marker positioning is controlled by changing the span and or center frequency between the two markers The marker readout shows the difference between the two markers Remarks If a marker is not active when the mode is queried Off will be returned Front Panel Access Marker Normal Marke...

Страница 255: ... right next peak left and peak table are not affected by this command They will always use peak excursion and peak threshold for search criteria Front Panel Access Peak Search or Search Search Criteria Peak Search Type Max Value Excursion Threshold Define Peak Threshold CALCulate MARKer PEAK THReshold ampl CALCulate MARKer PEAK THReshold Specifies the minimum signal level for the analyzers interna...

Страница 256: ... the reference level to the specified marker amplitude In delta marker mode the reference level is set to the amplitude difference between the markers Front Panel Access Marker Mkr Ref Lvl Peak Search or Search Meas Tools Mkr Ref Lvl Set Span to the Marker Value CALCulate MARKer 1 2 3 4 SET SPAN Sets the span to the value of the specified marker frequency The specified marker must be in delta mode...

Страница 257: ...Ta This command is not available if the delta marker is off or in zero span Front Panel Access Marker Mkr CF Step Peak Search or Search Meas Tools Mkr CF Set Stop Frequency to the Marker Value CALCulate MARKer 1 2 3 4 SET STOP Sets the stop frequency to the value of the active marker frequency In delta marker mode the stop frequency is set to the marker delta value This command is not available in...

Страница 258: ...Ce AUTO Turns on or off the automatic marker to trace function Factory Preset and RST AUTO ON Front Panel Access Marker Marker Trace Auto 1 2 3 Continuous Signal Tracking Function CALCulate MARKer 1 2 3 4 TRCKing STATe OFF ON 0 1 CALCulate MARKer 1 2 3 4 TRCKing STATe Turns on or off marker signal tracking It continuously puts the selected marker on the highest displayed signal peak and moves it t...

Страница 259: ...equency X Value CALCulate MARKer 1 2 3 4 X CENTer param CALCulate MARKer 1 2 3 4 X CENTer Position the center frequency of the designated span type marker pair at the specified trace X value The value is in the X axis units which is often frequency or time Use CALCulate MARKer MODE SPAN to select span markers The query returns the current X value center frequency of the designated markers Range Ma...

Страница 260: ... 3 4 X POSition SPAN param CALCulate MARKer 1 2 3 4 X POSition SPAN Change the frequency span of the designated span type marker pair to position the markers at the desired trace X positions Use CALCulate MARKer MODE SPAN to select span markers The query returns the current X position frequency span of the designated markers Range Refer to the SENSe SWEep POINts command Front Panel Access Marker a...

Страница 261: ...te MARKer MODE BAND to select band markers The query returns the current X position stop frequency of the designated marker Range Refer to the SENSe SWEep POINts command Front Panel Access Marker active marker Delta Marker X Axis Readout CALCulate MARKer 1 2 3 4 X READout FREQuency TIME ITIMe PERiod CALCulate MARKer 1 2 3 4 X READout Selects the units for the x axis readout of the marker Available...

Страница 262: ...late MARKer 1 2 3 4 X STARt Position the start reference frequency of the designated band type marker pair at the specified trace X value The value is in the X axis units which is often frequency or time Use CALCulate MARKer MODE BAND to select band markers The query returns the current X value start reference frequency of the designated marker Default Unit Matches the units of the trace on which ...

Страница 263: ...ad the current Y value for the designated marker or delta on its assigned trace The value is in the Y axis units for the current trace which is often dBm Default Unit Matches the units of the trace on which the marker is positioned Remarks This command can be used to read the results of marker functions such as band power and noise that are displayed in the marker value field on the analyzer ...

Страница 264: ... of trace data is copied to trace 3 firmware version greater then A 03 03 NRML in firmware version less than or equal to A 03 03 which is used as the reference trace Then for all subsequent trace sweeps display trace 1 data collected into trace 1 data in trace 3 firmware version greater than A 03 03 NRML in firmware version less than or equal to A 03 03 Front Panel Access View Trace Normalize Norm...

Страница 265: ...ll perform a subset of the RF alignment and a subsequent CAL RF will be required for the analyzer to meet its specified performance The query performs a full alignment and returns a number indicating the success of the alignment A zero is returned if the alignment is successful even if only a subset of the RF alignment is performed Front Panel Access System Alignments Align Now All Set Auto Align ...

Страница 266: ...Panel Access System Alignments Load Defaults Align FM Demodulation CALibration FMDemod CALibration FMDemod Performs an alignment of the FM demodulation hardware if Option 106 AYQ or BAA is installed The query form of this command performs the alignment and returns zero if the alignment is successful If you have multiple FM demodulation hardware options the hardware that will be used is automatical...

Страница 267: ... 10 MHz reference oscillator timebase of the analyzer NOTE CALibration ALL is required after COARse is set Range Integer 0 to 255 Front Panel Access System Alignments Time Base Coarse Fine Adjust the Frequency Reference CALibration FREQuency REFerence FINE setting CALibration FREQuency REFerence FINE Allows fine adjustment of the analyzer internal 10 MHz reference oscillator timebase NOTE CALibrat...

Страница 268: ...01B and E4411B If the cable is not connected the alignment will fail Front Panel Access System Alignments Align Now RF Select the Source State for Calibration CALibration SOURce STATe OFF ON 0 1 CALibration SOURce STATe Controls the state of the 50 MHz alignment signal NOTE The alignment signal is internally switched to the INPUT for Agilent models E4401B and E4411B For all other models connect a ...

Страница 269: ...ery performs the alignment and returns a zero if the alignment is successful NOTE This command is only applicable on Agilent ESA models E4402B E4403B E4404B E4405B E4407B and E4408B Before executing this command connect a cable between front panel connector RF OUT and the INPUT connector The alignment will fail using command CAL TG if the cable is not connected Front Panel Access System Alignments...

Страница 270: ...Spectrum Analyzer State CONFigure SANalyzer This command causes the present measurement to exit the same functionally as pressing MEASURE Meas Off and places the analyzer in base instrument spectrum analyzer state CONFigure subsystem commands used for measurements in the MEASURE and Meas Setup menus are located in Volume 2 ...

Страница 271: ... the manually set not coupled mode COUPle ALL puts the functions into the auto coupled mode and also puts the sweep coupling mode into SA couple all The following list of analyzer functions can be automatically coupled Resolution bandwidth Span Average type Firmware revision A 08 00 or greater Marker functions Detector Firmware revision A 08 00 or greater Marker functions Average On Off Average ty...

Страница 272: ...ce Sweep points Phase noise optimization Phase Noise Optimization Firmware revision A 08 00 or greater Span NOTE Although marker count gate time and marker trace have auto settings they are not affected by Couple Factory Preset and RST All Front Panel Access Auto Couple Auto All ...

Страница 273: ...This parameter is persistent which means that it retains the setting previously selected even through a power cycle Range Top Center or Bottom Front Panel Access Display History Added with firmware revision A 10 00 Display Viewing Angle DISPlay ANGLe integer DISPlay ANGLe Changes the viewing angle for better viewing in different environments Factory Preset and RST The factory default is 4 This par...

Страница 274: ...m analyzer screen Factory Preset and RST The factory default is On This parameter is persistent which means that it retains the setting previously selected even through a power cycle Front Panel Access System Time Date Time Date On Off Display Annotation Title Data DISPlay ANNotation TITLe DATA string DISPlay ANNotation TITLe DATA Enters the text that will be displayed in the user title area of th...

Страница 275: ...reen mode History Added with firmware revision A 08 00 Window Annotation DISPlay WINDow ANNotation ALL OFF ON 0 1 DISPlay WINDow ANNotation ALL Turns the screen annotation on or off for all windows Factory Preset and RST On Front Panel Access Display Preferences Annotation On Off Trace Graticule Display DISPlay WINDow TRACe GRATicule GRID STATe OFF ON 0 1 DISPlay WINDow TRACe GRATicule GRID STATe ...

Страница 276: ... LINear LOGarithmic Front Panel Access FREQUENCY Channel Freq Offset Display Line Amplitude DISPlay WINDow TRACe Y DLINe ampl DISPlay WINDow TRACe Y DLINe Defines the level of the display line in the active amplitude units if no units are specified Factory Preset and RST 2 5 divisions below the reference level Range 10 display divisions below the reference level to the reference level Default Unit...

Страница 277: ... digital processing This technique produces the greatest measurement range without overloading the digital system To increase the measurement speed this IF Gain auto ranging may be set to fixed mode When in fixed mode make sure the signal is not set above the reference level and the reference is set so that the signal is within the display range When in fixed mode the measurement has approximately...

Страница 278: ...IVision rel_ampl DISPlay WINDow TRACe Y SCALe PDIVision Sets the per division display scaling for the y axis when y axis units are set to amplitude units Factory Preset and RST 10 dB Range 0 1 to 20 0 dB Default Unit dB Front Panel Access AMPLITUDE Y Scale Scale Div Trace Y Axis Frequency Scaling DISPlay WINDow TRACe Y SCALe PDIVision FREQuency freq DISPlay WINDow TRACe Y SCALe PDIVision FREQuency...

Страница 279: ... the y axis Factory Preset and RST 0 dBm Range With zero reference level offset ESA E4401B E4411B 149 9 to 50 dBm ESA E4402B E4403B 149 9 to 55 dBm ESA E4404B 149 9 to 55 dBm ESA E4405B 149 9 to 55 dBm ESA E4407B E4408B 149 9 to 55 dBm 149 9 to 55 dBm with zero reference level offset and max mixer level 10 dBm In external mixing the range is 327 5 to 10 dBm with max mixer level 10 dBm Default Unit...

Страница 280: ...nce level offset reference level is clipped to the range 327 6 to 327 6 dB The maximum limits are determined by the setting of the first of these two parameters within the boundaries of their individual limits when initially set For example if the reference level is first set to 20 dBm then the reference level offset can be set to values of 307 6 dB to 327 6 dB In the case of a 327 6 dB reference ...

Страница 281: ... Its own positive amplitude limit applies If the reference level offset is first set to 30 dB then the reference level can be set to values of 327 6 to 85 dBm Again the positive amplitude limit of reference level alone is factored in to the resultant combined limit Front Panel Access Amplitude Y Scale Ref Level Offst Vertical Axis Scaling DISPlay WINDow TRACe Y SCALe SPACing LINear LOGarithmic DIS...

Страница 282: ...ith the LSB first and ends with the MSB last in the sequence 4 3 2 1 Factory Preset and RST Normal Numeric Data format FORMat TRACe DATA ASCii INTeger 32 REAL 32 REAL 64 UINTeger 16 FORMat TRACe DATA This command changes the format of the trace data input and output It affects only the data format for setting and querying trace data for the TRACe DATA and query TRACe DATA commands REAL and ASCii f...

Страница 283: ...t mode is UINTeger 16 UINTeger 16 Binary 16 bit unsigned integer uncorrected ADC values in a definite length block Integer 32 Binary 32 bit unsigned integer uncorrected ADC values in a definite length block A definite length block of data starts with an ASCII header that begins with and indicates how many additional trace points are following in the block Suppose the header is 512320 The first dig...

Страница 284: ...d Reference FORMat Subsystem Remote Command Reference Factory Preset and RST ASCII Table 5 2 Uncorrected Trace Data Types TRACe DATA RAWTRACE Data Type Result INT 32 Uncorrected ADC Values UINT 16 fastest Uncorrected ADC Values ...

Страница 285: ...itself for that printer CUSTom allows you to select a custom printer if your printer cannot be auto configured NONE tells the instrument that the hard copy output device is not a printer Factory Preset and RST The factory default is AUTO This parameter is persistent which means that it retains the setting previously selected even through a power cycle Front Panel Access Print Setup Printer Type Co...

Страница 286: ...Print Setup Eject Page Page Orientation HCOPy PAGE ORIentation LANDscape PORTrait HCOPy PAGE ORIentation Specifies the orientation of the print NOTE Landscape mode is not presently supported for PCL 3 printers Factory Preset and RST The factory default is Landscape This parameter is persistent which means that it retains the setting previously selected even through a power cycle Front Panel Access...

Страница 287: ...a power cycle Range Integer 1 or 2 Front Panel Access Print Setup Prints Page 1 2 Printed Page Size HCOPy PAGE SIZE A B A3 A4 LETTer LEGal EXECutive LEDGer HCOPy PAGE SIZE Formats the print image for the selected page size Page size A is letter and page size B is ledger There is no size standardization for legal or executive Factory Preset and RST The factory default is letter This parameter is pe...

Страница 288: ...cycle the sweep system immediately initiates another sweep cycle When OFF the sweep system remains in an idle state until CONTinuous is set to ON or an INITiate IMMediate command is received On receiving the INITiate IMMediate command it will go through a single sweep cycle and then return to the idle state The query returns 1 or 0 into the output buffer 1 is returned when there is continuous swee...

Страница 289: ...uisition of data from two successive sweeps Therefore if the analyzer is in single sweep mode two sweep triggers are needed to generate the sweep pair In image suppress mode synchronization is ensured by first turning off signal identification initiating a single sweep then turning on signal identification followed by two single sweeps See SENSe SIDentify for more information about signal identifi...

Страница 290: ...nt measurement from the idle state regardless of its operating state It is equivalent to INITiate IMMediate for single measurement mode or ABORt for continuous measurement mode Front Panel Access Restart Meas Control Restart Resume the Measurement INITiate RESume This command applies to measurements found in the MEASURE menu Use this command to resume the current measurement by changing the curren...

Страница 291: ...Remarks This command is available only on Agilent ESA spectrum analyzer models E4402B Option UKB E4407B Option UKB E4404B or E4405B See Table 5 3 for frequency range limits for your ESA model and option Front Panel Access Input Output or Input Coupling AC DC Table 5 3 Selecting Input Coupling Model Number AC Frequency Range DC Frequency Range E4402B with Option UKB 100 kHz to 3 GHz 100 Hz to 3 GHz...

Страница 292: ...lay to Ext Mix Front Panel Access Input Output or Input Input Mixer Int Ext Select Mixer Type INPut MIXer TYPE PRESelected UNPReselect INPut MIXer TYPE This command selects the type of mixer being used and is available only with Option AYZ External Mixing Refer also to commands in the SENSe MIXer subsection Factory Preset and RST UNPReselect History This command is available with firmware revision...

Страница 293: ...erload protection circuitry for the input connector There is no query form of this command NOTE This command is valid only for Agilent ESA models E4401B or E4411B The excessive input signal may have caused 15 dB of attenuation to be switched in or it may have completely switched the input connector out so that it is connected to the internal reference signal ...

Страница 294: ...re using the SCPI status registers and the analyzer mode is changed the status bits should be read and any error conditions resolved prior to switching modes Error conditions that exist prior to switching modes cannot be detected using the condition registers after the mode change This is true unless they recur after the mode change although transitions of these conditions can be detected using th...

Страница 295: ... If you are using the SCPI status registers and the analyzer mode is changed the status bits should be read and any errors resolved prior to switching modes Error conditions that exist prior to switching modes cannot be detected using the condition registers after the mode change This is true unless they recur after the mode change although transitions of these conditions can be detected using the...

Страница 296: ...nge This is true unless they recur after the mode change although transitions of these conditions can be detected using the event registers Changing modes resets all SCPI status registers and mask registers to their power on defaults Hence any event or condition register masks must be re established after a mode change Also note that the power up status bit is set by any mode change since that is ...

Страница 297: ... rules apply drive is A or C directory is the path name name is a DOS file name of up to eight characters letters A Z a z and numbers 0 9 only lower case letters are read as uppercase ext is an optional file extension using the same rules as name but consists of up to three characters total Catalog the Selected Memory Location MMEMory CATalog drive where drive is A or C Lists all files in the spec...

Страница 298: ... the remote bus Refer to chapter 3 Programming Examples for more information Example Load abcd into C source txt MMEM DATA C source txt 14abcd Delete a File MMEMory DELete file_name Delete a file Example MMEM DEL C source txt Remarks If file_name does not exist a File Name Error will occur Front Panel Access File Delete Load a Corrections Table from a File MMEMory LOAD CORRection ANTenna CABLe OTH...

Страница 299: ...nd MMEMory STORe STATe If the revision of the state being loaded is newer than the revision of the instrument no state is recalled and an error is reported If the revision of the state being loaded is equal to the revision of the instrument all regions of the state will be loaded If the revision of the state being loaded is older than the revision of the instrument the instrument will only load th...

Страница 300: ...ake a Directory MMEMory MDIRectory dir_path where path is A or C Makes a directory or subdirectory in the specified path Example Make a directory in C which is in instrument memory MMEMory MDIRectory C Front Panel Access File Create Dir Delete a Directory MMEMory RDIRectory dir_name Deletes the specified directory and all files and subdirectories within that directory Front Panel Access File Delet...

Страница 301: ...ssociated with these measurements are located in Volume 2 The filename extension is CSV This command will fail if the file file_name already exists Example MMEM STOR RES A ACP CSV Front Panel Access File Save Type Measurement Results Store a Screen Image in a Graphic File MMEMory STORe SCReen file_name Saves the current instrument screen image as a graphic file to the specified file in memory The ...

Страница 302: ...mory The file name must have a file extension of csv or trc The file extension determines whether just the trace data is stored or the trace is stored with its state The csv extension uses the CSV comma separated values format for the trace data in frequency amplitude pairs The trc extension is for files that include both trace and state data The trc file data is only readable by the analyzer Exam...

Страница 303: ...eristics of the tracking generator output port Refer to the SOURce Subsystem on page 345 which also contains commands that control the characteristics of the tracking generator Turn Output On Off OUTPut STATe OFF ON 0 1 OUTPut STATe Controls the tracking generator output Factory Preset and RST Off Front Panel Access Source Amplitude On Off ...

Страница 304: ...DTime Sets the auto range dwell time for the EMI Detectors The amplitude ranging process optimizes the available dynamic range for the measurement The dwell time is the time spent auto ranging You may need to set this value if you have a signal with a very low PRF signal 5Hz Dwell time must be 1 PRF See also SENSe DETector FUNCtion EMI Factory Preset and RST 0 2 s Range 0 001 to 2000 s The actual ...

Страница 305: ...are combined Factory Preset and RST 100 Range 1 to 8192 Front Panel Access BW Avg Average On Off Turn Averaging On Off SENSe AVERage STATe OFF ON 0 1 SENSe AVERage STATe This command toggles averaging off and on Averaging combines the value of successive measurements to average out measurement variations Factory Preset and RST Off Remarks When a measurement under the front panel MEASURE key is sta...

Страница 306: ...tup Or allows you to manually choose the type of averaging with SENSe AVERage TYPE When AUTO is On If the Y Axis Scale is not Linear or Log then average type is Video Y Axis Scale Averaging If the Y Axis Scale is Linear or Log then average type is Power Averaging If the Detector is Peak Sample or Negative Peak not Average then average type is Video Average See Figure 5 1 which shows these auto rul...

Страница 307: ... keys BW Avg Avg Type Video RMS averages the linear power of successive measurements typical units are watts The following parameters of this command are supported but not recommended for new designs They are provided for limited compatibility to other spectrum analyzers When used the parameters are converted as follows TYPE LINear maps to RMS TYPE LPOWer maps to VIDeo TYPE POWer maps to RMS TYPE ...

Страница 308: ...308 Chapter5 Remote Command Reference SENSe AVERage Subsection Remote Command Reference History Changed with firmware revision A 08 00 Front Panel Access BW Avg Avg Type ...

Страница 309: ... Option 1DR 1 Hz to 5 MHz E4401B E4402B E4404B E4405B E4407B with Options 1DR and 1D5 Default Unit Hz Front Panel Access BW Avg Resolution BW Auto Man Resolution Bandwidth Automatic SENSe BANDwidth BWIDth RESolution AUTO OFF ON 0 1 SENSe BANDwidth BWIDth RESolution AUTO Couples the resolution bandwidth to the frequency span Factory Preset and RST On Example BWID AUTO On History This command functi...

Страница 310: ...BWIDth VIDeo AUTO OFF ON 0 1 SENSe BANDwidth BWIDth VIDeo AUTO Couples the video bandwidth to the resolution bandwidth Factory Preset and RST On Front Panel Access BW Avg Video BW Auto Man Video to Resolution Bandwidth Ratio SENSe BANDwidth BWIDth VIDeo RATio number SENSe BANDwidth BWIDth VIDeo RATio Specifies the ratio of the video bandwidth to the resolution bandwidth Factory Preset and RST 1 0 ...

Страница 311: ...e Selects auto or manual mode for video bandwidth to resolution bandwidth ratio Refer to Figure 2 3 on page 63 which is a flowchart that illustrates VBW and RBW Ratio auto rules Factory Preset and RST On History Added with firmware revision A 08 00 Front Panel Access BW Avg VBW RBW Auto Man ...

Страница 312: ...en turned Off all of the correction sets are disabled Factory Preset and RST Off Remarks To turn On or Off an individual correction set use SENSe CORRection CSET 1 2 3 4 STATe Front Panel Access Amplitude Y Scale Corrections Antenna Correction On Off Amplitude Y Scale Corrections Cable Correction On Off Amplitude Y Scale Corrections Other Correction On Off Amplitude Y Scale Corrections User Correc...

Страница 313: ...Edit Point Frequency Amplitude Delete Point Amplitude Y Scale Corrections User Edit Point Frequency Amplitude Delete Point Merge Additional Values into the Existing Amplitude Correction Data SENSe CORRection CSET 1 2 3 4 DATA MERGe freq rel_ampl freq rel_ampl Adds the points with the specified values to the current amplitude correction data allowing you to merge correction data If too much data is...

Страница 314: ...are linearly interpolated between correction points with respect to the logarithm of the frequency Linear frequency scale corrections are interpolated along straight lines connecting adjacent points on a linear scale Front Panel Access AMPLITUDE Y Scale Corrections Freq Interp Log Lin Perform Amplitude Correction SENSe CORRection CSET 1 2 3 4 STATe OFF ON 0 1 SENSe CORRection CSET 1 2 3 4 STATe Tu...

Страница 315: ...Ω input In this case you may want to convert the data to make measurements in a 50 Ω system Factory Preset and RST The factory default is the input impedance of the analyzer Range 50 or 75 ohms Default Unit ohms Front Panel Access Input Input Z Corr 50 Ω 75 Ω External Amplifier Correction SENSe CORRection OFFSet MAGNitude rel_ampl SENSe CORRection OFFSet MAGNitude A single value of amplitude corre...

Страница 316: ...od Demod FM FM Deviation SENSe DEMod FMDeviation freq SENSe DEMod FMDeviation Sets the total FM frequency deviation for displaying the demodulation FM Deviation can only be changed if you have Options BAA or AYQ installed For Option 106 only the query form of the command is applicable If you have multiple FM demodulation hardware options the hardware that will be used is automatically selected in ...

Страница 317: ...eaker is On audio signals are not output unless the signal strength exceeds the squelch threshold This function is only available when Option AYQ is used as the instrument FM demodulation hardware The squelch level does not affect the rear panel AUX VIDEO OUT signal Squelch level is indicated on screen by the numbers 0 to 100 with 0 being the minimum threshold all signals are passed and 100 being ...

Страница 318: ...n is selected It causes the demodulated signal to be displayed with the y axis scale in units of kHz Use DISPlay WINDow TRACe Y SCALe PDIVision FREQuency to set scale div If FM Demod is on then several functions are not available These include Log Lin display is always in linear Y Axis Units Marker Search functions Normalize Display Line Peak Excursion and Peak Threshold These functions are not af...

Страница 319: ...trace modes are on Resolution bandwidth is less than 1 kHz and noise marker band power markers or trace averaging is on Quasi peak detection Option AYQ EMI Average detection Option AYQ The detector type is negative peak if any trace is in min hold and no traces are in max hold The detector type is peak if the above conditions are off Manually changing the detector function turns Auto off Refer to ...

Страница 320: ...emory This detection should not be used to make the most accurate amplitude measurement of non noise like signals Average detection is used when measuring the average value of the amplitude across each trace interval bucket The averaging method used by the average detector is set to either video or power as appropriate when the average type is auto coupled Factory Preset and RST Positive History A...

Страница 321: ...et and RST Off Couplings Dependencies When the EMI detector is Off the SENSe DETector FUNCtion EMI VIEW and SENSe POWer QPGain STATe functions are not available Remarks This command is only available with Option AYQ installed History Added with firmware revision A 14 00 Front Panel Access Det Demod EMI Detector Det Demod EMI Detector Quasi Peak Det Demod EMI Detector EMI Average Det Demod EMI Dete...

Страница 322: ...vailable dynamic range for measurements using the EMI quasi peak and average detectors and is usually done automatically each time one of these detector types is selected This turns off the auto ranging behavior See also SENSe DETector FUNCtion EMI Factory Preset and RST On Remarks This command is only available with Option AYQ installed History Added with firmware revision A 14 00 Remove EMI Auto...

Страница 323: ...B 1 5 GHz ESA E4404B 3 35 GHz ESA E4405B 6 6 GHz ESA E4407B E4408B 13 25 GHz Range ESA E4401B E4411B 80 MHz1 to 1 58 GHz ESA E4402B E4403B 80 MHz1 to 3 10 GHz ESA E4404B 80 MHz1 to 6 78 GHz ESA E4405B 80 MHz1 to 13 3 GHz ESA E4407B E4408B 80 MHz1 to 27 0 GHz Default Unit Hz Front Panel Access FREQUENCY Channel Center Freq Center Frequency Step Size Automatic SENSe FREQuency CENTer STEP AUTO OFF ON...

Страница 324: ...11B 1 58 to 1 58 GHz ESA E4402B E4403B 3 10 to 3 10 GHz ESA E4404B 6 78 to 6 78 GHz ESA E4405B 13 3 to 13 3 GHz ESA E4407B E4408B 27 0 to 27 0 GHz Default Unit Hz Front Panel Access FREQUENCY Channel CF Step Man Frequency Span SENSe FREQuency SPAN freq SENSe FREQuency SPAN Set the frequency span Setting the span to 0 Hz puts the analyzer into zero span Factory Preset and RST ESA E4401B E4411B 1 5 ...

Страница 325: ...equency span to full scale Factory Preset and RST ESA E4401B E4411B 1 5 GHz ESA E4402B E4403B 3 0 GHz ESA E4404B 6 7 GHz ESA E4405B 13 2 GHz ESA E4407B E4408B 26 5 GHz Front Panel Access SPAN X Scale Full Span Last Frequency Span SENSe FREQuency SPAN PREVious Set the frequency span to the previous span setting Front Panel Access SPAN X Scale Last Span Start Frequency SENSe FREQuency STARt freq SEN...

Страница 326: ...el Start Freq Stop Frequency SENSe FREQuency STOP freq SENSe FREQuency STOP Set the stop frequency Factory Preset and RST ESA E4401B E4411B 1 5 GHz ESA E4402B E4403B 3 0 GHz ESA E4404B 6 7 GHz ESA E4405B 13 2 GHz ESA E4407B E4408B 26 5 GHz Range ESA E4401B E4411B 80 MHz2 to 1 58 GHz ESA E4402B E4403B 80 MHz2 to 3 10 GHz ESA E4404B 80 MHz2 to 6 78 GHz ESA E4405B 80 MHz2 to 13 3 GHz ESA E4407B E4408...

Страница 327: ...08B Factory Preset and RST 3 History Added with firmware revision A 08 00 Front Panel Access AUTO COUPLE PhNoise Opt Frequency Synthesis State SENSe FREQuency SYNThesis AUTO OFF ON 0 1 SENSe FREQuency SYNThesis AUTO This command switches between auto and manual phase noise selection When in auto mode the phase noise optimization is set as follows For spans 10 MHz the analyzer is optimized for phas...

Страница 328: ...s K E W F D G Y and J are not available if Mixer Type is set to Presel Front Panel Access Input Output or Input Input Mixer Ext Mix Band External Mixer Bias Adjust SENSe MIXer BIAS numeric SENSe MIXer BIAS This command allows the adjustment of an internal bias source for use with external mixers This command is available only with Option AYZ External Mixing Factory Preset and RST 0 Range 10 mA to ...

Страница 329: ...Bias On Off Set External Mixer LO Harmonic Value SENSe MIXer HARMonic integer SENSe MIXer HARMonic This command allows you to set the LO harmonic value for mixers other than the HP Agilent 11970 Series or 11974 Series Mixers This is done after the mixer harmonic configuration SENSe MIXer HARMonic AUTO OFF ON 0 1 is set to Off manual This command is available only with Option AYZ External Mixing Fa...

Страница 330: ...IXer TYPE PRESelected UNPReselect Factory Preset and RST AUTO Remarks The harmonic value with its associated sign is automatically determined from the external mixer band selected This is the AUTO mode For mixers other than the HP Agilent 11970 Series or 11974 Series an LO harmonic other than that determined in the AUTO mode may be required This is achieved using this command and related command S...

Страница 331: ...ommand is only available with Option AYQ installed Front Panel Access Det Demod EMI Detector Input Attenuation SENSe POWer RF ATTenuation rel_ampl SENSe POWer RF ATTenuation Set the input attenuator This value is set at its auto value if input attenuation is set to auto Factory Preset and RST 10 dB Range ESA E4401B E4411B 0 to 60 dB ESA E4402B E4403B E4404B E4405B 0 to 75 dB ESA E4407B E4408B 0 to...

Страница 332: ...preamp on or off Factory Preset and RST Off Remarks This command is only available with Option 1DS installed Front Panel Access AMPLITUDE Y Scale Int Preamp On Off Input Port Maximum Mixer Power SENSe POWer RF MIXer RANGe UPPer ampl SENSe POWer RF MIXer RANGe UPPer Specifies the maximum power at the input mixer Factory Preset and RST 10 dBm Range 100 dBm to 10 dBm Default Unit dBm Front Panel Acce...

Страница 333: ... Panel Access AMPLITUDE Y Scale Presel Adjust Preselector Center SENSe POWer RF PCENter In internal mixing this command centers the preselector filter at the signal of interest In external mixing the external preselector filter is adjusted to the peak of the filter response to maximize the amplitude at the active marker frequency This command has no effect if it is activated in non preselected ban...

Страница 334: ...de Image Suppress Input Output or Input Input Mixer Signal ID Mode Image Shift Set Mixer Signal Identification State SENSe SIDentify STATe OFF ON 0 1 SENSe SIDentify STATe This command activates an algorithm which either removes or aids with the identification of multiple responses These responses are generated from a single input signal using non preselected external mixers Factory Preset and RST...

Страница 335: ...weep after signal identification is turned on must be ignored The data from the second sweep is available in Trace 1 and the data from the third shifted sweep is available in Trace 2 NOTE Signal identification is not available with signal track resolution bandwidths 300 Hz demod or averaging Signal identification will be turned off when input mixer is set to internal Front Panel Access Input Outpu...

Страница 336: ...er of sweep points can be set only with Agilent ESA models E4401B E4402B E4404B E4405B and E4407B Sweep points for ESA models E4403B E4408B and E4411B are fixed at 401 points The number of sweep points may be queried on all analyzers with firmware revision A 04 00 and later For analyzers with firmware revisions prior to A 08 00 any change to sweep points sets the following commands as shown CALCul...

Страница 337: ...ossible to define segments that overlap For SSTop the data order used for each segment is start frequency stop frequency resolution bandwidth video bandwidth number of points and sweep time For CSPan the data order used for each segment is center frequency span resolution bandwidth video bandwidth number of points and sweep time NOTE This command applies to the following models having firmware rev...

Страница 338: ...ear in order of increasing stop frequency It is possible to define segments that overlap For SSTop the data order used for each segment is start frequency stop frequency resolution bandwidth video bandwidth number of points and sweep time For CSPan the data order used for each segment is center frequency span resolution bandwidth video bandwidth number of points and sweep time NOTE This command ap...

Страница 339: ...te Some Segmented Sweep Data SENSe SWEep SEGMent DELete ROW integer Deletes only the specified segmented sweep data row NOTE This command applies to the following models having firmware revision A 05 00 or later E4401B E4402B E4404B E4405B E4407B Range 1 to maximum number of segments Front Panel Access Sweep Segmented Modify Edit Delete Segment NOTE The front panel keys shown for this command dele...

Страница 340: ...s on the following functions are unavailable Auto couple BW Avg RBW VBW Center Start Stop frequency CF Step and frequency Offset Span sweep time and points Front Panel Access Sweep Segmented ON OFF Set Frequency Domain Scale Type SENSe SWEep SPACing LINear LOGarithmic SENSe SWEep SPACing Selects either linear or logarithmic for the frequency domain X axis scale The trace query of comma separated v...

Страница 341: ...and firmware revision of your instrument See Sweep Time Range in the Specifications Guide for details Default Unit seconds Remarks A span value of 0 Hz causes the analyzer to enter zero span mode In zero span the X axis represents time rather than frequency In this mode the sweep time may be set to faster values when Options AYX or B7D are installed Front Panel Access Sweep Sweep Time Auto Man Aut...

Страница 342: ...zer Front Panel Access Sweep Sweep Coupling SR SA Time Gating Delay Option 1D6 Only SENSe SWEep TIME GATE DELay time SENSe SWEep TIME GATE DELay Sets the delay time from when the gate trigger occurs to when the gate opens This is for EDGE triggering only Factory Preset and RST 1 µs Range 0 3 µs to 429 seconds Default Unit seconds Front Panel Access Sweep Gate Setup Edge Setup Gate Delay Time Gate ...

Страница 343: ...Front Panel Access Sweep Gate Setup Level Setup Time Gate Polarity Option 1D6 Only SENSe SWEep TIME GATE POLarity NEGative POSitive SENSe SWEep TIME GATE POLarity Selects the polarity of the gate signal this command is for EDGE triggering only Factory Preset and RST Positive Front Panel Access Sweep Gate Edge Gate Slope Pos Neg Preset Time Gate Option 1D6 Only SENSe SWEep TIME GATE PRESet Presets ...

Страница 344: ...ont Panel Access Sweep Gate Gate On Off Time Gate Trigger Type Option 1D6 Only SENSe SWEep TIME GATE TYPE LEVel EDGE SENSe SWEep TIME GATE TYPE Selects between edge and level mode for time gated spectrum analysis Level triggers the gate when the signal surpasses a specific level set to either low or high Edge triggers the gate when the edge of a signal is encountered set to either a negative going...

Страница 345: ...s for example preamplifier gain This offset does not change the power out of the source it only changes the display so that it reads out the actual power delivered to the device under test Factory Preset and RST 0 dB Range 327 6 dB to 327 6 dB Default Unit Currently selected source power units Front Panel Access Source Amptd Offset Source Attenuation SOURce POWer ATTenuation ampl SOURce POWer ATTe...

Страница 346: ...ediate AMPLitude UP DOWN SOURce POWer LEVel IMMediate AMPLitude Specifies the source output power level Use SOURce POWer SWEep to set the change in power level across the sweep Also see SOURce POWer STARt and OUTPut STATe CAUTION Power level sensitive devices connected to the tracking generator output may be accidentally damaged This is because the actual source amplitude will be greater than the ...

Страница 347: ...cess Source Amplitude On Off Sets the Source Output Power Mode SOURce POWer MODE FIXed SWEep SOURce POWer MODE Sets the source output to be at a single amplitude fixed or to sweep through a range of power levels Factory Preset and RST Fixed Front Panel Access Source Power Sweep On Off Set the Source Sweep Power Range SOURce POWer SPAN rel_ampl SOURce POWer SPAN Specifies the range of power levels ...

Страница 348: ...er sweep function is being used The source amplitude value is used as the starting amplitude for a power sweep The ending amplitude for a power sweep is higher then the source amplitude value and it may actually be set to values beyond specified output levels Therefore exercise caution when connecting a power level sensitive device to the tracking generator output Set the Output Power to Step Auto...

Страница 349: ...ront Panel Access Source Power Sweep On Off Output Power Tracking SOURce POWer TRCKing integer SOURce POWer TRCKing Adjusts the tracking of the source output with the spectrum analyzer sweep in the present resolution bandwidth Factory Preset and RST This command is persistent The term persistent means that the command retains the setting previously selected even through a power cycle Range Integer...

Страница 350: ...ence SOURce Subsystem Remote Command Reference sweep so that the power is maximized for the present resolution bandwidth Remarks This command is not applicable for the 1 5 GHz tracking generator Front Panel Access Source Tracking Peak ...

Страница 351: ...bits in the Operation Event register which also sets the Operation Status Summary bit bit 7 in the Status Byte Register The variable integer is the sum of the decimal values of the bits you want to enable NOTE Preset sets all bits in this enable register to 0 To have any Operation Events reported to the Status Byte Register 1 or more bits must be set to 1 Factory Preset and RST 0 Range Integer 0 t...

Страница 352: ...n PTRansition This command determines which bits in the Operation Condition register will set the corresponding bit in the Operation Event register when that bit has a positive transition 0 to 1 The variable integer is the sum of the decimal values of the bits that you want to enable Factory Preset and RST 32767 all 1 s Range Integer 0 to 32767 Preset the Status Byte STATus PRESet Sets bits in mos...

Страница 353: ...ABle This command determines which bits in the Questionable Calibration Condition Register will set bits in the Questionable Calibration Event register which also sets the Calibration Summary bit bit 8 in the Questionable Register The variable integer is the sum of the decimal values of the bits you want to enable Factory Preset and RST 32767 all 1 s Range Integer 0 to 32767 Questionable Calibrati...

Страница 354: ...e Integer 0 to 32767 Questionable Calibration Positive Transition STATus QUEStionable CALibration PTRansition integer STATus QUEStionable CALibration PTRansition This command determines which bits in the Questionable Calibration Condition register will set the corresponding bit in the Questionable Calibration Event register when that bit has a positive transition 0 to 1 The variable integer is the...

Страница 355: ...eck the Questionable Status Summary bit 3 If it is equal to 1 a condition during the test made the test results invalid If it is equal to 0 this indicates that no hardware problem or measurement problem was detected by the analyzer Factory Preset and RST 0 Range Integer 0 to 32767 Questionable Event Query STATus QUEStionable EVENt This query returns the decimal value of the sum of the bits in the ...

Страница 356: ...EQuency EVENt This query returns the decimal value of the sum of the bits in the Questionable Frequency Event register NOTE The register requires that the equivalent PTR or NTR filters be set before a condition register bit can set a bit in the event register The data in this register is latched until it is queried Once queried the data is cleared Questionable Frequency Negative Transition STATus ...

Страница 357: ...tion This query returns the decimal value of the sum of the bits in the Questionable Integrity Condition register NOTE The data in this register is continuously updated and reflects the current conditions Questionable Integrity Enable STATus QUEStionable INTegrity ENABle integer STATus QUEStionable INTegrity ENABle This command determines which bits in the Questionable Integrity Condition Register...

Страница 358: ... want to enable Factory Preset and RST 0 Range Integer 0 to 32767 Questionable Integrity Positive Transition STATus QUEStionable INTegrity PTRansition integer STATus QUEStionable INTegrity PTRansition This command determines which bits in the Questionable Integrity Condition register will set the corresponding bit in the Questionable Integrity Event register when that bit has a positive transition...

Страница 359: ...d the data is cleared Questionable Integrity Uncalibrated Negative Transition STATus QUEStionable INTegrity UNCalibrated NTRansition integer STATus QUEStionable INTegrity UNCalibrated NTRansition This command determines which bits in the Questionable Integrity Uncalibrated Condition register will set the corresponding bit in the Questionable Integrity Uncalibrated Event register when that bit has ...

Страница 360: ... is the sum of the decimal values of the bits that you want to enable Factory Preset and RST 0 Range integer 0 to 32767 Questionable Power Condition STATus QUEStionable POWer CONDition This query returns the decimal value of the sum of the bits in the Questionable Power Condition register NOTE The data in this register is continuously updated and reflects the current conditions Questionable Power ...

Страница 361: ... This command determines which bits in the Questionable Power Condition register will set the corresponding bit in the Questionable Power Event register when that bit has a negative transition 1 to 0 The variable integer is the sum of the decimal values of the bits that you want to enable Factory Preset and RST 0 Range integer 0 to 32767 Questionable Power Positive Transition STATus QUEStionable P...

Страница 362: ...TATus QUEStionable PTRansition This command determines which bits in the Questionable Condition register will set the corresponding bit in the Questionable Event register when that bit has a positive transition 0 to 1 The variable integer is the sum of the decimal values of the bits that you want to enable Factory Preset and RST 32767 all 1 s Range integer 0 to 32767 ...

Страница 363: ...g previously selected even through a power cycle Range Integer 0 to 30 Front Panel Access System Remote Port Serial Port DTR Setup SYSTem COMMunicate SERial 1 CONTrol DTR OFF ON IBFull SYSTem COMMunicate SERial 1 CONTrol DTR Sets the hardware pacing scheme Only one Option 1AX can be installed in an instrument Off holds the DTR line in the unasserted off condition On holds the DTR line in the asser...

Страница 364: ...e number of received bytes in the input buffer of the device reaches the stop threshold the device will unassert the RTS line When the number of bytes has been reduced to the start threshold the device will assert RTS indicating that it can receive input again RTS is sometimes called RFR ready for receiving The device will also monitor the state of CTS and will stop transmission if that line becom...

Страница 365: ...ough a power cycle Serial Port Transmit Pace Setup SYSTem COMMunicate SERial 1 TRANsmit PACE XON NONE SYSTem COMMunicate SERial 1 TRANsmit PACE Set the transmit pace to on or none for an instrument with the RS 232 interface installed Only one Option 1AX can be installed in an instrument If no optional serial port number is specified port 1 is assumed Factory Preset no RST The factory default is no...

Страница 366: ...ould return the string BAH 2488CE2109E9 1DS 7ED64A85E30F 1DR C1DC3B F2B4FA History Added command with firmware revision A 14 00 Front Panel Access System Licensing Show License Display License Key Information SYSTem CONFigure LKEY STATe OFF ON 0 1 SYSTem CONFigure LKEY STATe Turns on off the display of the current license key information for instrument options Factory Preset and RST Off History Ad...

Страница 367: ... Show System Set Date SYSTem DATE year month day SYSTem DATE Sets the date of the real time clock of the instrument Year is a 4 digit integer Month is an integer 1 to 12 Day is an integer 1 to 31 depending on the month Front Panel Access System Time Date Set Date Error Information Query SYSTem ERRor NEXT This command queries the earliest entry to the error queue and then deletes that entry CLS cle...

Страница 368: ...rr CENTer 942 6MHz NL The Err shown after FREQuently shows you the spelling error The NL is the typical representation for the command terminator If the command SENSe FREQ CENTer 942 6Sec is sent then sending SYST ERR returns 131 Invalid suffix SENSe FREQuency CENTer 942 6Sec Err NL The Err shown after Sec shows you the invalid suffix Factory Preset and RST Not affected by RST Remarks The verbose ...

Страница 369: ... string given with the option The license key is unique to a specific option installed in the instrument with a specific host ID as returned by SYST HID The license key must be enclosed in quotes Front Panel Access System Licensing Delete a License Key SYSTem LKEY DELete option This command allows you to delete the license key from instrument memory for the selected option NOTE In general deleting...

Страница 370: ...FACTory USER LAST The instrument settings at power on will be the settings at the time of power down Factory Preset and RST The factory default is Preset This parameter is persistent which means that it retains the setting previously selected even through a power cycle Front Panel Access System Power On Preset Power On Last Preset Enable IF Video Sweep Output Ports SYSTem PORTs IFVSweep ENABle OFF...

Страница 371: ... defaults The term persistent means that the command retains the setting previously selected even through a power cycle Examples of persistent functions are GPIB address power on type and preset type Front Panel Access System Restore Sys Defaults Preset Type SYSTem PRESet TYPE FACTory USER MODE Selects the preset state to be either factory defined or user defined preset conditions Factory Preset a...

Страница 372: ...N 0 1 SYSTem SPEaker STATe Turns the internal speaker on or off Factory Preset and RST Off Front Panel Access Det Demod Demod Speaker On Off Set Time SYSTem TIME hour minute second SYSTem TIME Sets the time of the real time clock of the instrument Hour must be an integer 0 to 23 Minute must be an integer 0 to 59 Second must be an integer 0 to 59 Front Panel Access System Time Date Set Time SCPI Ve...

Страница 373: ...3 View Trace Operations 2 3 Transfer Trace Data TRACe DATA trace_name RAWTRACE definite_length_ block comma_separated_ASCII_data TRACe DATA trace_name RAWTRACE LLINE1 LLINE2 This command transfers trace data from the controller to the instrument The data format is set by the command FORMat TRACe DATA If you ve selected the ASCII data format the data returned is comma separated ASCII values For REA...

Страница 374: ...this number of bytes by your current data format 4 for real 32 Then there are 401 trace points in the block The line feed EOI is sent as the terminator when using GPIB Remarks Commands MMEM STOR TRAC and MMEM LOAD TRAC are used to transfer trace data to or from the internal hard drive or floppy drive of the instrument The number of points in a trace is specified by SENSe SWEep POINts The trace dat...

Страница 375: ... mean of the amplitudes of the trace amplitude elements in measurement units Traces are TRACE1 2 3 Query the Signal Peaks TRACe MATH PEAK DATA Outputs the signal peaks by frequency or by amplitude This command uses only trace1 data The data is returned as alternating amplitude frequency pairs The sort mode is determined by the command TRACe MATH PEAK SORT The commands CALCulate MARKer PEAK EXCursi...

Страница 376: ...ere is no equivalent front panel function Traces are TRACE1 2 3 and RAWTRACE commands The purpose of this function is to perform a spatial video averaging as compared to the temporal version supplied by the video average command SENSe AVERage TYPE VIDeo The functions of TRACe MATH SMOoth trace and SENSe AVERage TYPE VIDeo POWer are not interchangeable Each point value is replaced with the average ...

Страница 377: ...mena With 31 smoothing points and a 401 point trace point 16 will be the first point to have full 31 bucket smoothing Likewise point 385 will be the last point with full 31 bucket smoothing Under the conditions stated points 2 through 15 will be smoothed as follows Point 2 is derived from averaging buckets 1 through 3 Point 3 is derived from averaging buckets 1 through 5 Point 4 is derived from av...

Страница 378: ...erformed Increasing the number of points increases smoothing at the cost of decreasing resolution If the number of points is an even number then the number of points is increased by one If the number of points is larger than the number of sweep points then the number of sweep points is used unless the number of sweep points is even in which case the number of points will be the sweep points minus ...

Страница 379: ... highest measured trace value for all the data that has been measured since the function was turned on Minimum hold displays the lowest measured trace value for all the data that has been measured since the function was turned on View turns on the trace data so that it can be viewed on the display Blank turns off the trace data so that it is not viewed on the display Remarks Whenever the number of...

Страница 380: ...ry Preset and RST 1 µs Range 0 3 µs to 429 seconds Default Unit seconds External Trigger Line and TV Trigger Delay Enable TRIGger SEQuence DELay STATe OFF ON 0 1 TRIGger SEQuence DELay STATe This command allows you to turn on or off a delay during which the analyzer will wait to begin a sweep after receiving an external trigger signal a front panel TV trigger or a line trigger Factory Preset and R...

Страница 381: ...ST 0 seconds Example TRIG SEQ OFFS 1 0s Range Hardware specific dependent upon the ADC being used current state and the number of sweep points Default Unit seconds Remarks Trigger offset refers to the specified time interval before or after the trigger event from which data is to be written to the trace and then displayed Ordinarily the trigger offset value is zero and trace data is displayed begi...

Страница 382: ...mmand is available only when Option B7E RF Communications Hardware is installed Factory Preset and RST Off History Added with firmware revision A 08 00 Front Panel Access Trig More 1 of 2 RF Burst Setup Frequency Selectivity RF Burst Absolute Mode Setting TRIGger SEQuence RFBurst LEVel ABSolute ampl TRIGger SEQuence RFBurst LEVel Select the trigger level of the RF burst envelope signal The value c...

Страница 383: ...RF Burst Setup RF Burst Mode Setting TRIGger SEQuence RFBurst LEVel TYPE ABSolute RELative TRIGger SEQuence RFBurst LEVel TYPE Select the trigger level of the RF burst envelope signal The level can be set to either a level relative to the peak of the burst RELative mode or to an absolute level ABSolute mode This command is available only when Option B7E RF Communications Hardware is installed Fact...

Страница 384: ...ernal allows you to connect an external trigger source RF Burst triggers on the bursted frame TV triggers on the selected line of a TV frame Factory Preset and RST Immediate free run triggering Remarks Free run activates the trigger condition that allows the next sweep to start as soon as possible after the last sweep History Added TV trigger mode with firmware revision A 03 00 Added RF Burst mode...

Страница 385: ... line is 1 and the maximum line is 625 ODD Field 1 For formats NTSC M NTSC Japan and PAL M the minimum line is 1 and the maximum line is 263 For formats PAL B D G H I PAL N PAL N Combin and SECAM L the minimum line is 1 and the maximum line is 313 EVEN Field 2 For formats NTSC M NTSC Japan and PAL M the minimum line is 1 and the maximum line is 262 For formats PAL B D G H I PAL N PAL N Combin and ...

Страница 386: ...ate TV triggering Set Analyzer for TV Picture Monitoring TRIGger SEQuence TV MONitor OFF ON 0 1 TRIGger SEQuence TV MONitor The currently selected standard is used to determine the proper setup of the hardware state of the video digitization circuitry for presentation of the TV picture Requires Option BAA and B7B Factory Preset and RST Off History Added TV trigger mode with firmware revision A 03 ...

Страница 387: ...res Option BAA and B7B Factory Preset and RST SANalyzer History Added TV trigger mode with firmware revision A 03 00 Front Panel Access Trig TV Trig Setup TV Source SA Trig TV Trig Setup TV Source EXT Video In Select TV Standard TRIGger SEQuence TV STANdard MNTSc JNTSc MPAL BPAL NPAL CPAL LSEC TRIGger SEQuence TV STANdard This command allows you to choose one of the various TV standards Requires O...

Страница 388: ...dard PAL N Combin Trig TV Trig Setup Standard SECAM L Video Trigger Level Amplitude TRIGger SEQuence VIDeo LEVel ampl TRIGger SEQuence VIDeo LEVel Specifies the level at which a video trigger will occur Factory Preset and RST 2 5 divisions below reference level Range 10 display divisions below reference level to reference level Default Unit current amplitude units Remarks Video is adjusted using t...

Страница 389: ...ger level when in FM Demod and Demod View is on Default Unit Hz Remarks Video is adjusted using this command but must also be selected using the command TRIGger SEQuence SOURce VIDeo When not in FM Demod the Video Trigger level is adjusted queried using the command TRIGger SEQuence VIDeo LEVel ampl NOTE Trigger Delay is not available in Video trigger mode so turning Video on turns off Trigger Dela...

Страница 390: ...mplitude scale volts in linear amplitude scale History Ampere and decibel microampere units are available only with instruments having firmware revision A 06 00 and later Front Panel Access AMPLITUDE Y Scale Amptd Units AMPLITUDE Y Scale Amptd Units dBm AMPLITUDE Y Scale Amptd Units dBmV AMPLITUDE Y Scale Amptd Units dBµV AMPLITUDE Y Scale Amptd Units Volts AMPLITUDE Y Scale Amptd Units Watts AMPL...

Страница 391: ... the front panel keys and their associated menu keys in Spectrum Analysis mode Refer to Chapter 2 Front Panel Key Reference on page 39 for key function descriptions See Volume 2 for the menu maps of the one button power measurements MEASURE key and their associated setup keys ...

Страница 392: ...ately though it is accessed when entering data for many keys The front panel key menus appear in alphabetical order as follows Alpha Editor Menus Page 393 AMPLITUDE Y Scale Page 394 Page 395 Auto Couple Page 396 BW Avg Page 397 Det Demod Page 398 Display Page 399 File Page 400 Page 401 Page 402 Freq Count Page 403 FREQUENCY Channel Page 404 Input Output Page 405 Marker Page 406 Marker Page 407 Mod...

Страница 393: ...Chapter 6 393 Menu Maps Alpha Editor Menu Menu Maps Alpha Editor Menu ...

Страница 394: ...394 Chapter6 Menu Maps AMPLITUDE Y Scale Menu Menu Maps AMPLITUDE Y Scale Menu ...

Страница 395: ...Chapter 6 395 Menu Maps Amplitude Y Scale Corrections Menu Menu Maps Amplitude Y Scale Corrections Menu ...

Страница 396: ...396 Chapter6 Menu Maps Auto Couple Menu Menu Maps Auto Couple Menu ...

Страница 397: ...Chapter 6 397 Menu Maps BW Avg Menu Menu Maps BW Avg Menu ...

Страница 398: ...398 Chapter6 Menu Maps Det Demod Menu Menu Maps Det Demod Menu ...

Страница 399: ...Chapter 6 399 Menu Maps Display Menu Menu Maps Display Menu ...

Страница 400: ...400 Chapter6 Menu Maps File Menus 1 of 3 Menu Maps File Menus 1 of 3 ...

Страница 401: ...Chapter 6 401 Menu Maps File Menus 2 of 3 Menu Maps File Menus 2 of 3 ...

Страница 402: ...402 Chapter6 Menu Maps File Menus 3 of 3 Menu Maps File Menus 3 of 3 ...

Страница 403: ...Chapter 6 403 Menu Maps Freq Count Marker Menu Menu Maps Freq Count Marker Menu ...

Страница 404: ...404 Chapter6 Menu Maps FREQUENCY Channel Menu Menu Maps FREQUENCY Channel Menu ...

Страница 405: ...Chapter 6 405 Menu Maps Input Output Menu Menu Maps Input Output Menu ...

Страница 406: ...406 Chapter6 Menu Maps Marker Menu Menu Maps Marker Menu ...

Страница 407: ...Chapter 6 407 Menu Maps Marker Menu Menu Maps Marker Menu ...

Страница 408: ...408 Chapter6 Menu Maps Peak Search Menu Menu Maps Peak Search Menu ...

Страница 409: ...Chapter 6 409 Menu Maps Preset Menu Menu Maps Preset Menu ...

Страница 410: ...410 Chapter6 Menu Maps Print Setup Menu Menu Maps Print Setup Menu ...

Страница 411: ...Chapter 6 411 Menu Maps Source Menu Menu Maps Source Menu ...

Страница 412: ...412 Chapter6 Menu Maps SPAN X Scale Menu Menu Maps SPAN X Scale Menu ...

Страница 413: ...Chapter 6 413 Menu Maps Sweep Menu Menu Maps Sweep Menu ...

Страница 414: ...414 Chapter6 Menu Maps System Menu Menu Maps System Menu ...

Страница 415: ...Chapter 6 415 Menu Maps Trace View Menu Menu Maps Trace View Menu ...

Страница 416: ...416 Chapter6 Menu Maps Trig Menu Menu Maps Trig Menu ...

Страница 417: ...ly available 294 selecting 115 applications selecting 115 294 295 arrow keys 176 ASCII data format 282 assemblies aligning all 265 attenuation input resetting protection 293 setting 331 tracking generator 345 tracking generator auto on off 346 Attenuation Auto Man 135 Attenuation Auto Man key 40 attenuator tracking generator 135 Auto Align 157 Auto Couple 54 Auto Couple menu map 396 Auto key 128 a...

Страница 418: ...4 constant default 266 external amplifier 315 impedance mismatch 315 internal tracking generator 345 set amplitude deleting 314 set amplitude setting 314 correction factors 159 Correction On Off key cable 45 other than antenna or cable for 47 Corrections key 42 Corrections On Off key 50 corrections other than antenna or cable Edit key 48 corrections table loading from file 298 corrections table st...

Страница 419: ... and 2 168 exchange trace 2 and 3 168 Ext Amp Gain 52 Ext Mix Band key 103 external mixer selecting 292 External Pos Neg 171 External preamplifier 52 external trigger 384 delay on off 380 delay value 380 slope 380 F factory defaults 266 factory preset 371 Field key 172 Field One key 173 Field Two key 174 File 83 File menu map 400 401 402 files copy 297 correction table loading 298 correction table...

Страница 420: ...GPIB type 192 preset 371 reset 238 state loading from file 299 state storing 301 status monitoring 239 Int Preamp On Off key 42 intensity display angle 273 internal mixer selecting 292 internal preamplifier 42 internal source See tracking generator Inverse Time Marker Readout menu 109 IP instrument preset 371 L landscape printing 286 Language PCL3 PCL5 128 Language Reference 231 Last Span 140 Leve...

Страница 421: ...ecting 115 294 295 measurement speed increase 53 menu map Alpha Editor 393 Amplitude 394 Amplitude Y Scale Corrections 395 Auto Couple menu 396 BW Avg 397 Det Demod 398 Display 399 File 400 401 402 Freq Count 403 FREQUENCY Channel 404 Input Output 405 Marker 406 Marker 407 Peak Search 408 Preset 409 Print Setup 410 Source 411 SPAN X Scale 412 Sweep 413 System 414 Trace View 415 Trig 416 Min Hold 1...

Страница 422: ...8 Power On Last Preset 156 157 158 Power On Preset 156 power sweep tracking generator on off 347 range 347 349 start amplitude 348 step auto on off 348 step size 348 Power Sweep On Off 135 power on conditions preset last 370 time milliseconds 370 time seconds 369 power on state of spectrum analyzer 156 157 preamplifier gain 52 preamplifier on off 332 Preferences 80 Presel Adjust key 41 Presel Cent...

Страница 423: ...e detection 319 Save 84 save command 238 Save key 132 save limits 84 save setup files 84 save states 84 save traces 84 Scale Type Log Lin Y axis 41 scale type linear logarithmic 340 Scale Div Bluetooth FM Demodulation 40 FM Demod 40 Scale Div key 40 scaling 281 SCPI command subsystems locating 233 errors during execution 367 errors locating 367 version query 372 screen annotation on or off 80 scre...

Страница 424: ...egister description 209 operation register diagram 210 querying 204 questionable condition 212 questionable power register bit descriptions 215 questionable power register diagram 215 questionable register diagram 214 questionable status power register diagram 215 questionable status power bit descriptions 215 setting 204 standard event 207 using 198 STB command description 201 stimulus response m...

Страница 425: ...ernal 171 delay on off 380 delay value 380 slope 380 IEEE command 239 level gate 332 line 171 measurement 289 offset 381 RF burst absolute 382 level 383 relative 383 RF burst narrow pulse discriminator 383 source video 384 TV field entire odd even 385 video 171 video level amplitude 388 video level frequency 389 turning off markers 111 TV field entire odd even 385 picture monitoring 386 signal pat...

Страница 426: ...426 Index Index Index ...

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