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324 Chapter5

Language Reference

SENSe Subsystem

Reference Oscillator Source

[:SENSe]:ROSCillator:SOURce INTernal|EXTernal

[:SENSe]:ROSCillator:SOURce?

Select the reference oscillator (time base) source. Use ROSC:EXT:FREQ

to tell the instrument the frequency of the external reference.

Internal - uses internal 50 MHz reference signal

External - uses the signal at the rear panel external reference input

port.

Preset

and *RST: Persistent State with factory default of Internal

Remarks: Global to system.

Front Panel

Access:

System, Reference, Ref Oscillator

Table of Contents5
What's in this Chapter38
Digital Communications Measurements Information39
Programming the Transmitter Tester40
Measurement Personalities44
- Available Personality Options45
- Installing a License Key Number46
- Using the Uninstall Key47
Writing Your First Program48
- File Naming Rules49
Cables for Connecting to RS-23250
Connecting to a LAN Server57
Connecting to a GPIB Server58
SCPI Language Basics61
- Creating Valid Commands62
- Special Characters in Commands63
- Parameters in Commands64
- Putting Multiple Commands on the same Line67
Using the Instrument Status Registers69
- What Are the Status Registers70
- Why Would You Use the Status Registers72
- Using a Status Register74
- Overall Status Register System76
- Status Byte Register77
- SRE <Number79
- Standard Event Status Register80
- Operation and Questionable Status Registers83
Programming Examples Using VTL84
- Linking to VTL Libraries85
- Compiling and Linking a VTL Program86
- Example Program88
- Opening a Session89
- Viopendefaultrm90
- Addressing a Session91
- Closing a Session92
Overview of the GPIB Bus93
Overview of the RS-232 Bus95
- Character Format Parameters96
- Data Transfer Errors97
Using the LAN to Control the Analyzer98
- Using Telnet to Send Commands101
- Using Socket LAN to Send Commands105
- Using SICL LAN to Control the Analyzer106
- Using Hp/Agilent VEE over Socket LAN114
- Using a Java™ Applet over Socket LAN115
- General LAN Troubleshooting116
Types of Examples126
Using Markers127
Example128
Saving Binary Trace Data in an ASCII File130
Saving ASCII Trace Data in an ASCII File133
Example134
Saving and Recalling Instrument State Data136
Performing Alignments and Getting Pass/Fail Results139
Using C Programming over Socket LAN141
Using C Programming over Socket LAN (Windows NT)155
Example156
Using Java Programming over Socket LAN158
Functional Sort of SCPI Commands166
SCPI Command Subsystems170
Common IEEE Commands171
- Standard Event Status Register Query172
- Instrument State Query173
- Query Instrument Options174
- Save175
- Trigger176
- Abort177
- Adjacent Channel Power-Limit Test178
- Data Query179
- Calculate Peaks of Trace Data183
- Calculate:markers Subsystem185
- Calculate:<Measurement>:Marker:aoff188
- Calculate:<Measurement>:Marker[1]|2|3|4:Function:result189
- Calculate:<Measurement>:Marker[1]|2|3|4:Minimum190
- Calculate:<Measurement>:Marker[1]|2|3|4[:State] OFF|ON|0|1191
  - Calculate:<Measurement>:Marker[1]|2|3|4:X <Param195
  - Calculate:<Measurement>:Marker[1]|2|3|4:X:position <Integer196
- Power Statistic CCDF-Store Reference197
- Calibration Abort198
- Align the ADC Offset199
- Calibrate the Attenuator200
- Calibration Comb Alignment201
- Auto Adjust the Internal 10 Mhz Frequency Reference202
- Calibrate the Nominal System Gain203
- Load the Factory Default Calibration Constants204
- Align the Narrow Crystal Prefilter205
- Calibration:ref50:Ampl <Power206
- Calibration:ref50[:Doit]207
- Calibration:ref50:Exit208
- Align the Trigger Delay209
Configure Subsystem210
Display Subsystem211
- Display Annotation Title On/Off212
- Select Display Format213
- Spectrum - Y-Axis Reference Level214
- Turn a Trace Display On/Off215
- Waveform - Y-Axis Reference Level218
Fetch Subsystem219
Format Subsystem220
Hcopy Subsystem222
- Custom Printer Language223
- Color Hard Copy224
- Page Orientation225
- Reprint the Last Image226
- Screen Dump Image Inverting227
Initiate Subsystem228
- Take New Data Acquisitions229
Input Subsystem230
Instrument Subsystem231
- Select Application232
Measure Group of Commands233
Configure Commands234
- Fetch Commands235
- Adjacent Channel Power Ratio (ACP) Measurement236
- Mhz Amplitude Reference Measurement244
- Channel Power Measurement245
- Power Statistics CCDF Measurement246
- Power Vs. Time Measurement248
- Sensor Measurement250
- Spectrum (Frequency Domain) Measurement251
- Timebase Frequency Measurement254
- Waveform (Time Domain) Measurement255
Memory Subsystem257
Mmemory Subsystem258
- Save Screen Image to File259
- Screen File Type260
READ Subsystem261
Sense Subsystem262
- Sense]:Acp:average:tcontrol Exponential|Repeat263
  - Sense]:Acp:bandwidth|Bwidth:integration <Freq264
  - Sense]:Acp:fftsegment <Integer265
- Sense]:Acp:fftsegment:auto OFF|ON|0|1266
- Sense]:Acp:offset:list:average:type Log|Maximum|Minimum|Rms|Scalar268
- Sense]:Acp:offset:list:fftsegment <Integer>,<Integer>,<Integer>,<Integer>,<Integer270
- Off|On|0|1, Off|On|0|1271
- Sense]:Acp:offset:list:points <Integer>,<Integer>,<Integer>,<Integer>,<Integer273
- Sense]:Acp:offset:list:rattenuation:auto OFF|ON|0|1275
  - Sense]:Acp:offset:rcarrier <Rel_Power276
  - Sense]:Acp:offset:rpsdensity <Rel_Power278
- Off|On|0|1, Off|On|0|1283
- Sense]:Acp:points <Integer285
- Sense]:Acp:points:auto OFF|ON|0|1286
- Sense]:Acp:sweep:time <Seconds287
- Sense]:Acp:sweep:time:auto OFF|ON|0|1288
- Sense]:Acp:type Psdref|Tpref289
- Select the ARFCN-Absolute RF Channel Number290
- Select the Lowest ARFCN291
- Select the Middle ARFCN292
- Select the Highest ARFCN293
- Channel Burst Type294
- RF Channel Number295
- Time Slot Number296
- Time Slot Auto297
- Training Sequence Code (TSC) Auto298
- Channel Power Measurement299
- Sense]:Chpower:average:tcontrol Exponential|Repeat300
- Sense]:Chpower:frequency:span <Freq301
- Sense]:Chpower:points:auto OFF|ON|0|1302
- Sense]:Chpower:sweep:time:auto OFF|ON|0|1303
- Correction for Base Station RF Port External Attenuation304
- Correction for Mobile Station RF Port External Attenuation305
- Center Frequency306
- Center Frequency Step Size307
- RF Port Power Range Auto308
- RF Port Power Range Maximum Total Power309
- Power Statistics CCDF Measurement310
- Sense]:Pstatistic:sweep:time <Time311
- Power Vs. Time (Burst Power) Measurement312
- Sense]:Pvtime:average:tcontrol Exponential|Repeat313
  - Sense]:Pvtime:bandwidth|Bwidth[:Resolution] <Freq314
  - Sense]:Pvtime:sweep:time <Integer315
- Radio Carrier Hopping316
- Radio Carrier Burst317
Radio Device under Test318
Radio Base Station Type319
Radio Format (Standard)320
Radio Standard Band321
Reference Oscillator External Frequency323
Reference Oscillator Source324
Spectrum (Frequency-Domain) Measurement325
- Sense]:Spectrum:average:clear327
- Sense]:Spectrum:average:tcontrol Exponential|Repeat328
- Sense]:Spectrum:bandwidth|Bwidth:padc OFF|ON|0|1329
- Sense]:Spectrum:bandwidth|Bwidth:pfft:type Flat|Gaussian330
- Sense]:Spectrum:bandwidth|Bwidth[:Resolution]:Auto OFF|ON|0|1331
- Sense]:Spectrum:sweep:time:auto OFF|ON|0|1336
Sync Type337
Burst Sync Delay338
Burst Search Threshold339
Waveform (Time-Domain) Measurement340
- Sense]:Waveform:average[:State] OFF|ON|0|1342
- Sense]:Waveform:average:type Log|Maximum|Minimum|Rms|Scalar343
- Sense]:Waveform:bandwidth|Bwidth[:Resolution]:Type Flattop|Gaussian344
- Sense]:Waveform:decimate:state OFF|ON|0|1345
Sense]:Waveform:trigger:source External[1 External2|Frame|If|Immediate|Line|Rfburst346
Read and Write Calibration Data347
Unlock Calibration Files348
Operation Register349
- Base350
Preset the Status Byte351
Status:questionable[:Event]352
Questionable Calibration Register353
Questionable Frequency Register354
Status:questionable:frequency:enable <Number355
Questionable Integrity Register356
Status:questionable:integrity[:Event]357
Questionable Integrity Signal Register358
Questionable Power Register359
Status:questionable:power:enable <Number360
Questionable Temperature Register361
Status:questionable:temperature[:Event]362
GPIB Address363
Hardware Configuration Query364
Error Information Query365
Exit Main Firmware for Upgrade366
- License Key for Installing New Applications367
- Service Password368
- Adjust Time369
Trigger Subsystem370
- Automatic Trigger Time371
- Front Panel External Trigger Level372
- Rear Panel External Trigger Level373
- Frame Trigger Period374
- Frame Trigger Synchronization Offset375
- Video (IF) Trigger Delay376
- Video (IF) Trigger Slope377
- RF Burst Trigger Level378
Error Queues380
- SCPI Remote Interface Error Messages383
- Clearing the Error Queue384
Error Message Descriptions385
- Positive Numbers]402

Brand	Agilent Technologies
Model	E4406A VSA Series
Category	Test Equipment
Language	English

Agilent Technologies E4406A VSA Series User Manual

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