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E7401A
Agilent Technologies E7401A Programmer's Guide
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140
Ch
ap
t
er 3
Program
m
ing
Ex
am
ples
Using Lim
it Lin
es
/*Pr
int
the
limit
s l
ine
re
sult*/
prin
tRe
sult
();
/*Cl
ose
the
sessi
on*
/
viCl
ose
(viE
SA);
viCl
ose
(def
aultRM
);
}
139
141
Table of Contents
Safety Information
2
Table of Contents
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Table of Contents
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31
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32
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Table of Contents
34
Creating Valid Commands
39
Command Notation Syntax
40
Special Characters in Commands
41
Parameters in Commands
42
Improving Measurement Speed
45
Select Phase Noise Performance
46
Avoid Unnecessary Use of *RST
47
Putting Multiple Commands on the same Line
48
Overview of GPIB (Option A4H)
50
Overview of RS-232 (Option 1AX)
52
Modem Line Handshaking
53
Printer Setup and Operation
54
Testing Printer Operation
56
Status Registers
57
Use Status Registers to Determine the State of Analyzer Events and Conditions
58
What Are the Status Registers
59
How Do You Access the Status Registers
61
Using the Service Request (SRQ) Method
63
Setting and Querying the Status Register
65
Status Byte Register
66
Service Request Enable Register
67
Standard Event Status Register
68
Standard Event Status Event Enable Register
70
Status:operation Condition and Event Enable Registers
73
Status:questionable:power Register
76
Questionable Status Event Enable Register
77
Questionable Status Power Condition and Event Registers
79
Status:questionable:frequency Register
80
Questionable Status Frequency Condition and Event Enable Registers
82
Status:questionable:calibration Register
83
Status:questionable:integrity:uncalibrated Register
86
Questionable Status Calibration Condition and Event Enable Registers
87
Questionable Status Integrity Uncalibrated Condition and Event Enable Registers
88
Status:questionable:integrity Register
89
Questionable Status Integrity Event Condition and Enable Registers
91
Programming Examples
93
List of Programming Examples
94
Programming Examples System Requirements
95
C Programming Examples Using VTL
96
Linking to VTL Libraries
97
Example Program
99
Opening a Session
100
Addressing a Session
102
Closing a Session
103
Using Marker Peak Search and Peak Excursion
104
Using Marker Delta Mode and Marker Minimum Search
108
Performing Internal Self-Alignment
112
Reading Trace Data Using ASCII Format (GPIB)
116
Real Format (GPIB)
120
Using Limit Lines
135
Measuring Noise
141
Entering Amplitude Correction Data
145
Status Register–Determine When a Measurement Is Done
149
Determine if an Error Has Occurred
155
Measuring Harmonic Distortion (GPIB)
161
Measuring Harmonic Distortion (RS-232)
169
Making Faster Measurements (Multiple Measurements)
177
Functional Index to SCPI Subsection
186
SCPI Sections and Subsections
191
IEEE Common Commands
193
Standard Event Status Register Query
194
Operation Complete
195
Reset
196
Trigger
197
Abort Subsystem
198
Calculate Subsystem
199
Ndbstate
200
Calculate:emi:slist Subsection
201
Clear Marks
204
Set Comment for Signals
205
Turn Signal List on or off
206
Position Cursor to Signal List
207
Specify Signal List Display Parameters
208
Calculate:lline Subsection
209
Set Limit Line X-Axis Units
210
Control Limit Line Frequency Interpolation
211
Merge Additional Values into the Existing Limit Line
213
Test the Data against the Limit Line
214
Control Limit Line Testing
215
Calculate:marker Subsection
216
Frequency Counter Marker Automatic Resolution
217
Marker Peak (Maximum) Search
218
Marker Peak (Maximum) Right Search
219
Define Peak Excursion
220
Define Peak Threshold
221
Set Span to the Marker Value
222
Marker Table On/Off
223
Marker X Value
224
Span Markers Center Frequency X Position
225
Delta Pair Markers Stop Frequency X Position
226
Delta Pair Markers Start Frequency X Value
227
Calculate:ntdata Subsection
228
Calibration Subsystem
229
Automatic Alignment
230
Coarse Adjust the Frequency Reference
231
Select the Source State for Calibration
232
Couple Subsystem
233
Display Subsystem
235
Display Annotation Title Data
236
Window Annotation
237
Display Line Amplitude
238
Normalized Reference Level
239
Trace Y-Axis Amplitude Scaling
240
Trace Y-Axis Reference Level Offset
241
Vertical Axis Scaling
242
Format Subsystem
243
Hcopy Subsystem
245
Select a Signal List to Include in a Report
246
Print a Hard Copy
247
Printed Page Size
248
Initiate Subsystem
249
Take New Data Acquisitions
250
Restart the Measurement
251
Input Subsystem
252
Clear the Input Overload
253
Measure Group of Commands
254
Fetch Commands
255
Read Commands
256
Get Measurement Results
257
Measure at Marker
258
Measure Peaks
259
Mmemory Subsystem
260
Move Data to File
261
Load an Instrument State from a File
262
Make a Directory
263
Delete a Directory
264
Store a Limit Line in a File
265
Mmemory:store:trace <Label>,<File_Name
266
Output Subsystem
267
Sense Subsystem
268
Sense]:Average Subsection
269
Turn Automatic Averaging On/Off
270
Type of Averaging for Measurements
271
Sense]:Bandwidth Subsection
272
Video Bandwidth
273
Resolution Bandwidth Type
275
Sense]:Correction Subsection
276
Merge Additional Values into the Existing Amplitude Correction Data
277
Delete Amplitude Correction
278
Input Impedance Correction
279
Sense]:Demod Subsection
280
Demodulation Control
281
Sense]:Detector Subsection
282
Type of Detection
284
Type of EMI Detector
285
EMI View
286
Sense]:Emi Subsection
287
Setting the Dwell Time for Peak
288
Setting the Dwell Time for Range
289
Sense]:Frequency Subsection
290
Center Frequency Step Size
291
Full Frequency Span
292
Stop Frequency
293
Frequency Synthesis State
294
Sense]:Power Subsection
295
Input Port Power Gain
296
Preselector Center
297
Sense]:Sweep Subsection
298
Sweep Time
299
Sweep Time Mode
300
Time Gate Level (Option 1D6 Only)
301
Time Gate Trigger Type (Option 1D6 Only)
302
Source Subsystem
303
Automatic Source Attenuation
304
Sets the Source Output Power Mode
305
Set the Output Power at the Start of the Sweep
306
Set the Source Sweep Power Range
307
Status Subsystem
308
Operation Negative Transition
309
Status:questionable Subsection
310
Questionable Calibration Negative Transition
311
Questionable Enable
312
Questionable Frequency Enable
313
Questionable Frequency Positive Transition
314
Questionable Integrity Negative Transition
315
Questionable Integrity Uncalibrated Event Query
316
Questionable Negative Transition
317
Questionable Power Negative Transition
318
System Subsystem
319
Serial Port RTS Setup
320
Serial Port Receive Pace Setup
321
System Configuration Query
322
Locate SCPI Command Errors
323
License Key – Install Application/Option
324
Power on Elapsed Time
325
Preset
326
Save User Preset
327
Trace Subsystem
328
Exchange Traces
329
Mean Trace Data
330
Number of Points for Smoothing
332
Trace Math Subtract from Display Line
333
Trigger Subsystem
334
Trigger Offset
335
Trigger Source
336
Video Trigger Level Frequency
337
UNIT Subsystem
338
Other manuals for Agilent Technologies E7401A
User Guide
218 pages
Getting Started Guide
86 pages
4
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Agilent Technologies E7401A Specifications
General
Brand
Agilent Technologies
Model
E7401A
Category
Measuring Instruments
Language
English
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