4 E8257D/67D, E8663D PSG Signal Generators Service Guide
Index
troubleshooting, 75
RF power levels,
troubleshooting
, 75
S
safety, general
considerations
, 1
sampler, replacement, 23
self-tests
2xx
, 31
3xx, 33
4xx, 34
6xx, 37
7xx, 39, 41
9xx, 42
10xx, 44
11xx, 45
12xx, 46, 50
13xx, 54
14xx, 56
1xx, 29
22xx, 58, 62, 63
24xx, 59, 60
failure table, 6
overview, 121
running, 2
service
Agilent sales and service
offices
, 124
packaging signal
generator
, 124
signal generator
overall block diagram
E8257D
, 89, 91
overall description, 83
reference/synthesis loop
block diagram
, 97
reference/synthesis loop,
description
, 93
RF path block diagram
E8257D
, 107, 109, 115,
117, 119
RF path, description, 99
SMI, replacement, 46
source module interface,
replacement
, 46
specifications
dc voltages
, 23
harmonics, 78
spurious harmonic emissions,
troubleshooting
, 78
spurious non-harmonic
emissions,
troubleshooting
, 81
sum and difference, 102
T
thermal shutdown, 27
troubleshooting
ADC adjustment failures
, 74
adjustment problems, 72
ALC, 75
AT1 Attenuator, 77
chapter TOC, 1
CPU turn-on test, 3
dc voltages, 14
front-panel display, 10
motherboard test points, 14
Option UNR/UNX phase
noise
, 82
performance test failures, 74
power supply, 14
pulse modulation, 77
RF path, 75
RF power levels, 75
self-test failure table, 6
spurious harmonic
emissions
, 78
spurious non-harmonic
emissions
, 81
unlevels, 67
unlocks, 64
where to begin, 2
U
unlevels, troubleshooting, 67
unlocks, troubleshooting, 64
upconverter, replacement, 106
V
voltages, supply
A5 Sampler
, 31
A6 Frac-N, 39, 41
A7 Reference
Option UNR/UNX
, 44
standard, 33
A8 Output, 34, 58, 62, 63
A9 YIG Driver, 37
A10 ALC, 42
A11 Analog/Pulse
Modulation Generator
, 54
A13 IQ Multiplexer, 29
A14 Baseband Generator, 56
A18 CPU, 45
A26 MID (E8257D), 46
A26 MID (E8267D), 50
A38 Lowband Filter, 59, 60
W
wideband IQ, 102
Y
YIG driver, replacement, 24
YIG oscillator, replacement, 78
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