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8647A
Agilent Technologies 8647A User Manual
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6-4
Replaceable P
ar
ts
8648A Replaceable P
arts
243
245
Table of Contents
Table of Contents
3
Operation
13
Quick Overview
14
Power Key
14
Display
14
Function and Data Keys
15
Increment Set Keys
16
Knobs
16
Memory
16
Modulation Source
17
1A. Operation Examples
19
Setting the RF Output Signal
21
Setting the Frequency
21
Setting the Amplitude
21
Turn on the RF Output
21
Setting the Modulation
22
Incrementing or Decrementing the RF Output Signal
23
Preliminary Steps
23
Using the Knob
23
Using the Increment Keys
23
Using the Memory Registers
25
Saving Instrument Setting in Register Sequences
26
Deleting a Register from the Sequence
29
Renumbering the Registers in a Sequence
30
Inserting a Register in a Sequence
31
Offsetting the RF Output from a Reference
34
Setting the Reference Value
34
Offsetting the RF Output
35
Holding the Output Attenuator Range
37
Set the Amplitude Level
37
Holding the Attenuator
37
Adjusting the Amplitude
38
Setting a User Selectable Modulated Frequency and Waveform (Option 1E2 or 1EP Only)
39
Setting the Modulation Level
39
Setting the Modulated Waveform
39
Setting the Modulated Frequency
40
Signaling a Numeric-Type FLEX Pager (Option 1EP Only)
41
Setting up Pager Encoding
41
Entering Pager Encoding Settings
42
Selecting the Format Settings
42
Selecting the Data Rate and Pager Type Settings
43
Selecting the Message Settings
44
Selecting the Transmission Repetitions and Amplitude
44
Selecting the Pager Capcode (Address)
45
Selecting the Protocol Settings
46
Selecting the Roaming Mode Settings
47
Encoding
47
1B. Operation Reference
49
Frequency and Amplitude
50
Knob
50
Digit-Select Arrow Keys
50
Ref Set
50
Ref On/Off
51
Function
52
Frequency
52
Amplitude
53
Fm, am
53
Setting up the Pager Encoder
54
Pulse Modulation
77
Increment Set
79
Data
80
Instrument Preset
82
Gpib
86
Memory
87
Modulation Source
91
RF Output
95
Rear Panel
97
Remote Interface (Accessory)
99
Memory Interface (Accessory)
101
Front Panel Operation Messages
104
GPIB Command Messages
107
GPIB Execution Errors
110
GPIB Device-Specific Errors
111
GPIB Query Errors
112
Service Messages
113
Phase Modulation
191
Service
191
Recommended Test Equipment
191
Post-Repair
194
Safety Notes
197
Overview
202
A1 Front Panel
203
A2 Power Supply
205
A3 Motherboard
206
A4 Reference
207
A5 Sig Gen Synth
208
A6 Output (8648A)
209
A6 Output (8648B/C
210
A7 Attenuator (8648A)
211
A10 Frequency Extension (8648B/C
212
A11 Attenuator (8648B/C
213
A12 Reverse Power Protection(8648B/C
214
A13 Pulse Modulator (8648B/C/D Option 1E6)
215
A14 Modulation Generator (Option 1E2)
216
A30 Pager Encoder (8648A Option 1EP)
217
Troubleshooting Checklist
220
AC Mains (Line) Fuse Removal
221
To Remove the Fuse
221
Modulation Test Points and Power Supply Leds
222
Power Supply Distribution
223
Replaceable Parts
241
Assembly Replacements
241
8648A Replaceable Parts
244
8648B/C/D Replaceable Parts
250
Adjustments
257
Test Equipment
258
Equipment Setup for Automated Tests
258
Test Point Extender
258
Manual Adjustments
260
Internal Reference Oscillator Adjustment
261
Pager Encoder Timebase Frequency Adjustment
263
Automated Adjustments
265
AM Level and Distortion (8648A Only)
266
AM Level (8648B/C/D Only)
268
Detector Offset (8648A Only)
270
Output Level (8648A Only)
271
AM Level: FE (8648B/C/D Only)
272
Predistortion and Detector Offset (8648B/C/D Only)
274
Prelevel (8648B/C/D Only)
275
Output Level: Frequency Extension Calibration (8648B/C/D Only)
276
AM Modulator (8648A Only)
277
Time Base DAC (All 8648A/B/C/D)
279
Motherboard Audio Path (All 8648A/B/C/D)
280
DCFM (All 8648A/B/C/D)
282
Audio Generator (Options 1E2 and 1EP Only)
283
HF Power Level Accuracy (All 8648A/B/C/D)
284
LF Output Level (most 8648B/C/D)
287
LF Power Level Accuracy (most 8648B/C/D)
288
FSK Deviation (Option 1EP Only)
290
Filter Path (Option 1EP Only)
291
Agilent Service Support Software
292
Required Test Equipment
292
Installing the Software
293
Uninstalling the Software
297
Service Support Software Administration
298
Running the Service Support Software
309
Motherboard Repair Utility
314
Performance Tests
319
Calibration Cycle
320
Required Test Equipment
321
Performance Test Descriptions
324
Manual Performance Tests
324
Automated Performance Tests
324
FM Accuracy Performance Test
325
Connect the Test Equipment
325
Configure the Measuring Receiver
325
Configure the 8648
325
Measure Deviations
325
Test Record
325
8648B/C/D Only
326
Connect the Test Equipment
326
Configure the Synthesized Signal Generator
326
Measure Deviations
326
Test Record
327
FM Accuracy Performance Test (Option 1E2 Only)
328
Connect the Test Equipment
328
Configure the Measuring Receiver
328
Configure the 8648
328
Measure Deviations
328
Test Record
329
8648B/C/D Option 1E2 Only
329
Connect the Test Equipment
329
Configure the Synthesized Signal Generator
329
Measure Deviations
330
Test Record
330
FM Distortion Performance Test
331
Connect the Test Equipment
331
Configure the Measuring Receiver
331
Configure the Audio Analyzer
331
Configure the 8648
331
Measure Distortion
332
Test Record
332
8648B/C/D Only
332
Connect the Test Equipment
332
Configure the Synthesized Signal Generator
333
Measure Deviations
333
Test Record
333
AM Accuracy Performance Test
334
Connect the Test Equipment
334
Configure the Measuring Receiver
334
Configure the 8648
334
Measure Depths
334
Test Record
334
AM Accuracy Performance Test (Option 1E2 Only)
335
Connect the Test Equipment
335
Configure the Measuring Receiver
335
Configure the 8648
335
Measure Depths
335
Test Record
336
AM Distortion Performance Test
337
Connect the Test Equipment
337
Configure the Measuring Receiver
337
Configure the Audio Analyzer
337
Configure the 8648
337
Measure Distortion Amplitudes
338
Test Record
338
Phase Modulation Distortion Performance Test
339
Connect the Test Equipment
339
Configure the Measuring Receiver
339
Configure the Audio Analyzer
339
Configure the 8648
339
Measure Distortion
340
Test Record
340
8648B/C/D Only
340
Connect the Test Equipment
340
Configure the Synthesized Signal Generator
341
Measure Deviations
341
Test Record
341
Residual FM Performance Test
342
Connect the Test Equipment
342
Configure the Measuring Receiver
342
Configure the Audio Analyzer
343
Configure the Synthesized Signal Generator
343
Configure the 8648
343
Measure Deviations
343
Test Record
343
Harmonics Performance Test
344
Connect the Test Equipment
344
Configure the Spectrum Analyzer
344
Configure the 8648
344
Measure Harmonic Levels
344
Test Record
344
Spurious Performance Test
345
Connect the Test Equipment
345
Configure the Spectrum Analyzer
345
Configure the 8648
345
Measure Spurious Levels
345
Test Record
345
DC FM Frequency Error Performance Test
346
Connect the Test Equipment
346
Configure the Frequency Counter
346
Configure the 8648
346
Measure Deviations
346
Test Record
347
RF Level Accuracy Performance Test
348
Description
348
Connect the Test Equipment
348
Configure the Measuring Receiver
348
Configure the 8648
349
Measure Amplitudes
349
Test Record
349
8648B/C/D Only
349
Connect the Test Equipment
350
Configure the Power Meter
350
Configure the 8648B/C/D
350
Measure High Level Power Accuracy (≤ 13 Dbm)
350
Test Record
350
Configure the 8648 Option 1EA
351
Measure the High Power Level Accuracy
351
Test Record
352
Configure the Power Meter
352
Measure Low Level Power Accuracy (< −20 Dbm)
352
Pulse Modulation On/Off Ratio Performance Test (Option 1E6 Only)
353
Connect the Test Equipment
353
Configure the Spectrum Analyzer
353
Configure the 8648
353
Measure the On/Off Ratio
354
Test Record
354
Pulse Modulation Rise Time Performance Test (Option 1E6 Only)
355
Connect the Test Equipment
355
Configure the Pulse Generator
355
Configure the 8648
355
Configure the Oscilloscope
355
Measure the Rise Time
356
Test Record
356
Pager Encoder Timebase Accuracy Performance Test (Option 1EP Only)
357
Connect the Test Equipment
357
Configure the Frequency Counter
357
Configure the 8648
357
Measure the Frequency
357
Test Record
357
FSK Deviation Accuracy Performance Test (Option 1EP Only)
358
Connect the Test Equipment
358
Configure the Vector Signal Analyzer
358
Measure FSK Deviation
361
Test Record
363
Internal Timebase: Aging Rate Performance Test (Option 1E5 Only)
364
Description
364
Connect the Test Equipment
365
Configure the Oscilloscope
365
Measure the Phase Change Time
366
Test Record
366
Power Level Accuracy Performance Test (Automated)
367
Description
367
Required Test Equipment
367
Procedure
367
8648A Test Record
370
8648B Test Record
390
8648C Test Record
414
8648D Test Record
440
Supplemental Verification Tests
467
Required Test Equipment List
468
CW Frequency Accuracy Supplemental Verification Test
469
Connect the Test Equipment
469
Configure the Frequency Counter
469
Configure the 8648
469
Measure Frequency Accuracy
469
Test Record
470
Khz RF Level Accuracy Supplemental Verification Test
474
Connect the Test Equipment
474
Configure the Multimeter (DMM)
474
Configure the 8648
474
Measure RF Levels
474
Test Record
475
Other manuals for Agilent Technologies 8647A
Installation Note
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Agilent Technologies 8647A Specifications
General
Brand
Agilent Technologies
Model
8647A
Category
Test Equipment
Language
English
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