Keysight E8257D/67D - Page 341

E8257D/67D, E8663D PSG Signal Generators Service Guide 1
Index
Numerics
10 dB PAD, replacement, 92
10 MHz crystal oscillator,
replacement
, 88
115 dB attenuator,
replacement
, 124, 128
20 GHz
doubler, replacement
, 80, 116
highband coupler,
replacement
, 54
highband detector,
replacement
, 64
3-20 GHz I/Q Modulator,
replacement
, 100, 102
40 GHz
doubler, replacement
, 74, 76
highband coupler,
replacement
, 58
highband detector,
replacement
, 66
50 GHz
highband coupler,
replacement
, 60
highband detector,
replacement
, 67
6 dB PAD, replacement, 90
67 GHz
highband coupler,
replacement
, 62
highband detector,
replacement
, 68
90 dB attenuator,
replacement
, 122, 126
A
A5 Sampler
description
, 94
self-test, 31
A6 Frac-N
description
, 94, 100
self-test, 39, 41
A7 Reference
description
, 95
self-test, 33
self-test (UNR/UNX), 44
A8 Output
description
, 100
self-test, 34, 58, 62, 63
A9 YIG Driver
description
, 95
self-test, 37
A10 ALC
description
, 103
self-test, 42
A11 Analog/Pulse Modulation
Generator
description
, 103
self-test, 54
A12 Fast Pulse Modulator,
description
, 100
A13 IQ Multiplexer,
self-test
, 29
A14 Baseband Generator
description
, 105
self-test, 56
A18 CPU
description
, 83
self-test, 45
A19 Power Supply,
description
, 83
A23 Lowband
Coupler/Detector,
description
, 101
A24 Highband Coupler,
description
, 101
A25 Highband Detector,
description
, 101
A26 MID, self-test
E8257D
, 46
E8267D, 50
A27 40 GHz Doubler,
description
, 101
A28 YIG Oscillator,
description
, 96
A29 20 GHz Doubler,
description
, 96, 101
A30 Modulation Filter,
description
, 101
A35 3-20 GHz I/Q Modulator,
description
, 102
A36 Quadraplier,
description
, 102
A37 44GHz Upconverter,
description
, 102
A38 Lowband Filter
description
, 96
self-test, 59, 60
accessories
test cable
, 59
ADC adjustment failures, 74
adjustment problems, 72
adjustments
required after repair
, 1
ALC loop, description, 103
ALC, replacement, 26
ALC, troubleshooting, 75
antistatic materials, 1, 60
assembly replacement
A1 Keyboard
, 11
A2 Display, 14
A2DS1 Display Backlight, 17
A3 Power Switch, 19
A4 Inverter, 22
A5 Sampler, 23
A6 Frac-N, 23
A7 Reference, 23
A8 Output, 23
A9 YIG driver, 24
A10 ALC, 26
A11 Pulse/Analog
Modulation Generator
, 28
A12 Pulse Modulator
Board
, 30
A13 I/Q MUX, 32, 34
A14 Baseband Generator, 36
A17 Baseband Generator
Interface
, 38
A18 CPU, 40
A18BT1 Battery, 42
A19 Power Supply, 44