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Service Guide
1
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Certification
3
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Regulatory Information
3
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Warranty
3
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Limitation of Warranty
4
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Exclusive Remedies
4
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Assistance
4
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Description
6
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Documentation Options
8
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How to Order Guides
8
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How to Use This Guide
8
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Contents
10
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Introduction
13
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Repair Service Guide
14
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Service Guide Organization
15
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Analyzer Description
16
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Firmware Revision Date
18
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Reliability Considerations
19
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Adjustment Procedures
21
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Test Equipment You Will Need
23
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Adjustment
24
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Gain for Option 010 or
28
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30 Chapter1
30
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1a. Display
33
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34 Chapter2
34
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1b. Display
36
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Procedures
37
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Centering
38
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Horizontal Hold
39
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Vertical Hold
39
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Vertical Size
40
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Vertical Linearity
40
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Brightness and Contrast
41
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2. Sampler Match
42
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Chapter 2 43
43
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3. 10 MHz Reference
44
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48 Chapter2
48
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GATE TIME, 10, GATE TIME
48
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Crystal Alignment
50
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LC Alignment
53
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Final LC Centering
55
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Final BW Amplitude Check
56
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6. Cal Attenuator Error
58
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1 dB Step Check
60
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4 and 8 dB Step Error
61
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7. Log and Linear Amplifier
63
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66 Chapter2
66
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Equipment
70
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Mixer Bias DAC Initialization
73
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12. Second Converter
79
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Second Converter Bandpass
81
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Second Mixer Match
82
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Swept Bandpass Check
83
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84 Chapter2
84
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Bandpass
85
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Option 713
86
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600 MHz Adjustment
88
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Characterization
88
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Chapter 2 89
89
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90 Chapter2
90
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Chapter 2 91
91
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14. Comb Generator
92
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Frequency
94
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Output Power
95
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15. Frequency Response of
96
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Chapter 2 97
97
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100 Chapter2
100
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Making Adjustments
100
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⇓ (step down) and
103
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8593E/94E/95E/96E, and 8594Q
106
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Equipment Required
107
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Procedure
107
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17. Time and Date
124
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data key
125
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Option 010 or 011
126
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010 or 011
131
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134 Chapter2
134
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138 Chapter2
138
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Option 009 or 010
139
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+12 dBm
141
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144 Chapter2
144
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Chapter 2 147
147
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Fcenter = (F1 + F2)/2
149
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Accuracy for Option 050
151
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Log Fidelity
153
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Chapter 2 159
159
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Accuracy for Option 051
160
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Chapter 2 175
175
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176 Chapter2
176
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Making Adjustments: If
177
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3335A Source Not Available
177
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Before You Start
178
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6a. Cal Attenuator Error
179
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2 dB Check
182
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4 dB Step Check
183
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8 dB Step Check
183
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7a. Log and Linear Amplifier
186
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Log Fidelity Adjustment
188
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Chapter 2a 189
189
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15a. Frequency Response of
191
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(75 Ω input)
192
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⇓ (step down)
196
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Backing Up and Reloading
199
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Correction Constants
199
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Chapter 3 201
201
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Analyzer Initialization
204
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Set the default configuration
205
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Reset the power-on units
206
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8595E, or 8596E Band 1
211
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8596E Band 2
212
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Band 4 (Option 026)
213
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_______________________
214
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Troubleshooting the Analyzer
215
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Replacement assemblies
217
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After an analyzer repair
218
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Chapter 4 219
219
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PRESET is pressed
220
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If the line fuse has blown
222
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If the fan is not operating
223
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224 Chapter4
224
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Chapter 4 225
225
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226 Chapter4
226
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Chapter 4 227
227
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If the display is blank
228
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Chapter 4 229
229
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230 Chapter4
230
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Chapter 4 231
231
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232 Chapter4
232
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Chapter 4 233
233
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CAL AMPTD
233
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Chapter 4 237
237
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FREQ CAL
237
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Routines
238
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240 Chapter4
240
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2V REF DETECTOR
240
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Chapter 4 241
241
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GND REF
241
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Verify the main coil driver
242
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Verify the FM coil driver
243
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Verify the sweep ramp
245
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Chapter 4 247
247
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−10V REF DETECTOR
247
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Verify the YTF driver
248
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Board Assembly
249
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Perform a free-run check
250
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252 Chapter4
252
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IF Section Information
255
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IF Power-Level Measurement
256
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Chapter 5 257
257
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258 Chapter5
258
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CORRECT ON OFF
258
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Chapter 5 259
259
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262 Chapter5
262
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Assembly
266
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Chapter 5 267
267
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268 Chapter5
268
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Chapter 5 269
269
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270 Chapter5
270
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Chapter 5 271
271
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276 Chapter5
276
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Chapter 5 277
277
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278 Chapter5
278
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Chapter 5 279
279
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280 Chapter5
280
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After an Analyzer Repair
283
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6a. 8590L, 8591C, and 8591E
284
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Connector Pin-Out Information
285
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Replacing Major Assemblies
293
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Instrument Cover
296
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Replacement
297
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A1 Front-Frame Assembly
298
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Chapter 7 299
299
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Replacing Major Assemblies
299
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300 Chapter7
300
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A2 Display
303
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304 Chapter7
304
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Chapter 7 305
305
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Chapter 7 307
307
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RF Assembly
308
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Chapter 7 309
309
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A3 Front-End Assembly
311
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312 Chapter7
312
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Chapter 7 313
313
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314 Chapter7
314
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Chapter 7 315
315
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Chapter 7 317
317
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A7 Analog Interface Assembly
318
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Chapter 7 319
319
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Chapter 7 321
321
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A8 Power Supply
322
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Chapter 7 323
323
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324 Chapter7
324
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Chapter 7 325
325
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326 Chapter7
326
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Chapter 7 327
327
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Chapter 7 329
329
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Memory Board Assembly
330
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Chapter 7 331
331
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332 Chapter7
332
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336 Chapter7
336
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A16A1BT1 Battery
337
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338 Chapter7
338
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Chapter 7 339
339
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Chapter 7 341
341
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A25 Counter-Lock Assembly
342
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Chapter 7 343
343
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344 Chapter7
344
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Rear-Frame Assembly
346
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Chapter 7 347
347
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348 Chapter7
348
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If You Have A Problem
349
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350 Chapter8
350
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Check the Basics
351
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Service Offices
352
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Chapter 8 353
353
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354 Chapter8
354
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Chapter 8 355
355
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356 Chapter8
356
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Diagrams
357
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8591C Spectrum Analyzers
359
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A5 Second Converter
360
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A9 Third Converter
360
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10 MHz Frequency Reference
361
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A25 Counterlock
361
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A25A1 Sampler
362
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A6 YIG Tuned Oscillator (YTO)
363
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A7 Analog Interface
363
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364 Chapter9
364
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RF and LO Section
365
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8595E, and 8596E Analyzers
365
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Chapter 9 367
367
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A9 Third Converter Assembly
368
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A25 Counterlock Assembly
369
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Chapter 9 371
371
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Output Amplifier
372
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Bias Board
372
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IF Section
373
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A12 Amplitude Control
374
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A13 Bandwidth Filter
374
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A14 Log Amplifier
375
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376 Chapter9
376
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A130 Narrow Bandwidth
378
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Chapter 9 379
379
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380 Chapter9
380
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382 Chapter9
382
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384 Chapter9
384
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386 Chapter9
386
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388 Chapter9
388
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390 Chapter9
390
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392 Chapter9
392
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Analyzer Options and Block
393
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394 Chapter10
394
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Table 10-1 Option Table
395
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Option Descriptions
397
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Shoulder Strap (Option 015)
398
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Shoulder Strap (Option 016)
398
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Connector (Option 026)
399
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Connector (Option 027)
399
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400 Chapter10
400
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(Option 052)
401
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(Option 053)
401
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402 Chapter10
402
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CT2 Demodulator (Option 110)
403
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DECT Demodulator (Option 112)
403
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Noise Figure (Option 119)
403
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404 Chapter10
404
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(Option 163)
405
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DVB-C (Option 190)
405
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406 Chapter10
406
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Chapter 10 407
407
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8591E Option 010, 011
408
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8596E Option 010
410
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412 Chapter10
412
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Chapter 10 413
413
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414 Chapter10
414
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Chapter 10 415
415
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SGL SWP on the 8594A
415
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416 Chapter10
416
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If there is no output power
418
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Option 009
419
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420 Chapter10
420
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LINE switch to on
420
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Troubleshooting Tree
421
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PREAMP ON
432
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Chapter 10 433
433
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Passcode
434
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Menu 1 of 3
435
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Menu 2 of 3
436
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Menu 3 of 3
437
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Diagnostic Data
438
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Chapter 10 439
439
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Downconverter Test
440
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IQ Constellation
442
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8591C & 8591E ONLY
443
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444 Chapter10
444
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446 Chapter10
446
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448 Chapter10
448
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450 Chapter10
450
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HARDWARE BLOCK DIAGRAM
451
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8594Q OPTION 190
451
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452 Chapter10
452
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Major Assembly and Cable
453
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Locations
453
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454 Chapter11
454
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Chapter 11 455
455
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456 Chapter11
456
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Chapter 11 457
457
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458 Chapter11
458
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Figure 11-6
459
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460 Chapter11
460
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Chapter 11 461
461
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462 Chapter11
462
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Chapter 11 463
463
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Analyzers
464
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Chapter 11 465
465
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466 Chapter11
466
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Chapter 11 467
467
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468 Chapter11
468
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010 and 011)
469
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470 Chapter11
470
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Chapter 11 471
471
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472 Chapter11
472
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Figure 11-22
473
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474 Chapter11
474
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Chapter 11 475
475
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(Options 009 and 010)
476
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Chapter 11 477
477
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478 Chapter11
478
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Chapter 11 479
479
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Chapter 11 483
483
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484 Chapter11
484
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Replaceable Parts
485
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Ordering Information
487
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Direct Mail-Order System
488
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(U.S. Only)
488
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Abbreviations
490
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Chapter 12 491
491
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492 Chapter12
492
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Chapter 12 493
493
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494 Chapter12
494
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Chapter 12 495
495
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Table 12-6 Replaceable Cables
511
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Ordering CLIPs
521
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Front-End Assembly
534
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Generator Assembly
535
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Front Frame Assembly
535
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538 Chapter12
538
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540 Chapter12
540
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542 Chapter12
542
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544 Chapter12
544
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546 Chapter12
546
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548 Chapter12
548
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550 Chapter12
550
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552 Chapter12
552
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Softkey Descriptions
553
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Softkey Functions
554
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Chapter 13 555
555
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556 Chapter13
556
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−37 Hz Passcode
557
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−2001 Hz Passcode
557
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Entering a Passcode
557
-
Chapter 13 559
559
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CAL TIMEBASE.Analyzers
559
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Detector
560
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Amp Cor Amplitude Correction
562
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ANALYZER GAINS Analyzer Gains
562
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AUXB Auxiliary B
562
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BINARY SPAN Binary Span
563
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CAL Calibration Key
563
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CAL AMPTD Calibrate Amplitude
564
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Chapter 13 565
565
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CAL FETCH Calibration Fetch
566
-
CAL FREQ Calibrate Frequency
567
-
568 Chapter13
568
-
ELATED SOFTKEYS CAL AMPTD
569
-
CAL MXR Calibrate Mixer
570
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CAL STORE Calibration Store
571
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ELATED SOFTKEYS CAL STORE
572
-
CAL YTF Calibrate YTF
574
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CONF TEST Confidence Test
575
-
576 Chapter13
576
-
Chapter 13 577
577
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3 dB POINTS softkey
577
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Position
579
-
DACS DACs
580
-
. They are used on the A16
582
-
SOFTKEYS
583
-
584 Chapter13
584
-
ELATED SOFTKEYS CAL FREQ
587
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DROOP Droop
588
-
EDIT FLATNESS Edit Flatness
589
-
EXECUTE TITLE Execute Title
590
-
EXIT Exit
590
-
FINE TUNE DAC Fine Tune DAC
590
-
FLATNESS DATA Flatness Data
591
-
FM COIL DRIVE FM Coil Drive
591
-
FM GAIN FM Gain
592
-
ELATED SOFTKEYS DEMOD
593
-
FM OFFSET FM Offset
594
-
FM SPAN FM Span
595
-
596 Chapter13
596
-
FRQ DISC NORM OFF Frequency
598
-
Discriminator Normal/Off
598
-
IDNUM Identification Number
598
-
INIT FLT Initialize Flatness
599
-
26.5 GHz
600
-
MAIN COIL DR Main-Coil Drive
601
-
MAIN SPAN Main Span
602
-
MIXER BIAS DAC Mixer-Bias DAC
602
-
PRESEL DAC Preselector DAC
603
-
AMPTD UNITS, dBmV
607
-
AMPTD UNITS, Volts
607
-
STORE FLATNESS Store Flatness
608
-
STP GAIN ZERO Step-Gain Zero
608
-
SWEEP RAMP Sweep Ramp
608
-
SWEEP TIME DAC Sweep-Time DAC
609
-
YTF DRIVER YTF Driver
610
-
YTF TUNE FINE YTF Tune Fine
611
-
YTF SPAN YTF Span
612
-
Analyzer Messages
613
-
What's in This Chapter
614
-
ADC-GND FAIL (H)
615
-
Chapter 14 617
617
-
REF DETECTOR
617
-
ADC-TIME FAIL (H)
618
-
ADC-2V FAIL (H)
618
-
620 Chapter14
620
-
2v REF DETECTOR
620
-
CAL:_ _ _ (M)
621
-
CAL: cannot execute CALAMP
621
-
CAL: DATA NOT STORED
622
-
CAL AMP NEEDED (U)(H)
622
-
CAL: FM SPAN SENS FAIL (H)
622
-
CAL: GAIN FAIL (H)
623
-
CAL: MAIN COIL SENSE FAIL (H)
624
-
CAL: NBW gain failed (H)
625
-
CAL: NBW width failed (H)
625
-
CAL: PASSCODE NEEDED (M)
625
-
CAL: RES BW AMPL FAIL (H)
626
-
CAL SIGNAL NOT FOUND (U)(H)
626
-
CAL: SPAN SENS FAIL (H)
627
-
CAL: USING DEFAULT DATA (M)
628
-
CAL YTF FAILED (U)(H)
628
-
CAL: ZERO FAIL (H)
628
-
CAL FREQ data (U)
629
-
Cannot reach N dB points (U)
629
-
Check trigger input (U)
629
-
COMB SIGNAL NOT FOUND (U)(H)
630
-
COMMAND ERROR:_ _ _ (U)
631
-
CONF TEST FAIL (U)(H)
631
-
FAIL: XXXX XXXXXXXXXX (H)
632
-
The 10-Digit Failure Code
634
-
File type incompatible (U)
637
-
FREQ UNCAL (U) (H)
638
-
Related Assemblies
639
-
Troubleshooting Hints
639
-
640 Chapter14
640
-
INVALID FILENAME_ _ _(U)
641
-
INVALID FILE: NO ROOM (U)
641
-
INVALID IB ADRS/OPERATION (U)
641
-
INVALID TRACE: _ _ _ (U)
644
-
INVALID TRACE NAME: _ _ _ (U)
644
-
INVALID TRACENAME: _ _ _ (U)
645
-
INVALID VARDEF: _ _ _ (U)
645
-
LOST SIGNAL (U)
645
-
LO UNLVL (U)(H)
646
-
Marker Count Widen RES BW (U)
646
-
MEAS UNCAL (U)
647
-
No card found (U)
647
-
No points defined (U)
647
-
MIXER BIAS CAL FAILED
647
-
OVEN COLD (M)
648
-
PARAMETER ERROR: _ _ _ (U)
648
-
PASSCODE NEEDED (U)
648
-
POS-PK FAIL (H)
649
-
REF UNLOCK (M)(H)
649
-
650 Chapter14
650
-
RES-BW NOISE FAIL (H)
651
-
RES-BW SHAPE FAIL (H)
651
-
RF PRESEL ERROR (H)
652
-
RF PRESEL TIMEOUT (H)
652
-
SAMPLE FAIL (H)
653
-
SETUP ERROR (U)
653
-
SIGNAL CLIPPED (U)
653
-
SMPLR UNLCK (U)(H)
654
-
SOFTKEY OVFL (U)
654
-
SRQ _ _ _ (M)
654
-
STEP GAIN/ATTEN FAIL (H)
654
-
SYMTAB EMPTY (U)
655
-
TABLE FULL (U)
655
-
TG SIGNAL NOT FOUND (U)
656
-
TG UNLVL (U)(H)
656
-
VID-BW FAIL (H)
658
-
YTF is not available (U)
658
-
Waiting for gate input…(U)
658
-
Service Equipment and Tools
659
-
Static-Safe Accessories
660
-
Recommended Test Equipment
661
-
Recommended Service Tools
662
-
664 Chapter15
664
-
666 Chapter15
666
-
Safety and Regulatory
667
-
Information
667
-
Safety Considerations
668
-
Safety Symbols
668
-
Instrument Markings
669
-
General Safety Considerations
670
-
672 Chapter16
672
-
Test Equipment Usage and ESD
673
-
674 Chapter16
674
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