426 E8257D/67D, E8663D PSG Signal Generators Service Guide
Index
troubleshooting, 122
RF power levels,
troubleshooting
, 122
S
safety, general
considerations
, 420
sampler, replacement, 279
self-tests
2xx
, 58
3xx, 60
4xx, 61
6xx, 64
7xx, 67, 70
9xx, 71
10xx, 74
11xx, 76
12xx, 77, 83
13xx, 89
14xx, 92
1xx, 55
22xx, 95, 100, 102
24xx, 97, 98
failure table, 25
overview, 181
running, 21
Service
Keysight sales and service
offices
, 185
service
packaging signal
generator
, 185
signal generator
overall block diagram
E8257D
, 143
E8267D, 145
overall description, 134
reference/synthesis loop
block diagram
, 153
reference/synthesis loop,
description
, 147
RF path block diagram
E8257D
, 167, 169
E8267D, 175, 177, 179
RF path, description, 155
SMI, replacement, 304
source module interface,
replacement
, 304
specifications
dc voltages
, 48
harmonics, 127
spurious harmonic emissions,
troubleshooting
, 127
spurious non-harmonic
emissions,
troubleshooting
, 132
sum and difference, 160
T
thermal shutdown
, 53
troubleshooting
ADC adjustment failures
, 119
adjustment problems, 116
ALC, 122
AT1 Attenuator, 125
chapter TOC, 17
CPU turn-on test, 22
dc voltages, 37
front-panel display, 30
motherboard test points, 37
Option UNR/UNX phase
noise
, 133
performance test failures, 120
power supply, 37
pulse modulation, 124
RF path, 122
RF power levels, 122
self-test failure table, 25
spurious harmonic
emissions
, 127
spurious non-harmonic
emissions
, 132
unlevels, 108
unlocks, 104
where to begin, 20
U
unlevels, troubleshooting
, 108
unlocks, troubleshooting, 104
upconverter, replacement, 375
V
voltages, supply
A5 Sampler
, 58
A6 Frac-N, 67, 70
A7 Reference
Option UNR/UNX
, 74
standard, 60
A8 Output, 61, 95, 100, 102
A9 YIG Driver, 64
A10 ALC, 71
A11 Analog/Pulse
Modulation Generator
, 89
A13 IQ Multiplexer, 55
A14 Baseband Generator, 92
A18 CPU, 76
A26 MID (E8257D), 77
A26 MID (E8267D), 83
A38 Lowband Filter, 97, 98
W
wideband IQ
, 160
Y
YIG driver, replacement
, 281
YIG oscillator, replacement, 341
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