E8257D/67D, E8663D PSG Signal Generators Service Guide 213
Replaceable Parts
Cables
W71
(Option 503/509/
513/520)
(Option 1EM)
Semi-Rigid Cable, A24 20 GHz
Highband Coupler (input)
A30J2 E8251-20093
W72
(Option 513/520)
(Option 1EM)
Semi-Rigid Cable, A24 20 GHz
Highband Coupler output
AT1 115 dB Mechanical Attenuator
(Option 1E1) input
E8251-20094
W73
(Option 1EM)
for instruments with serial
prefix < US/MY5644
Semi-Rigid Cable, AT1 115 dB
Mechanical Attenuator
3.5mm or Type-N RF Output adapter
(RF OUT)
E8251-20095
b
for instruments with serial
prefix ≥ US/MY5644
Semi-Rigid Cable, AT1 115 dB
Mechanical Attenuator
3.5mm or Type-N RF Output adapter
(RF OUT)
E8251-20587
W74
(Option 503/509/
513/520)
Semi-Rigid Cable, A24 20 GHz
Highband Coupler (input)
A30J2 E8251-20021
W75 Semi-Rigid Cable, A23 Lowband
Coupler/Detector
A12 Pulse Modulator Board E8251-20033
W76
for instruments with serial
prefix < US/MY5644
Semi-Rigid Cable, A12 Pulse
Modulator Board
A31 Motherboard, Lowband Switch
Filter (out)
E8251-20334
b
for instruments with serial
prefix ≥ US/MY5644
Semi-Rigid Cable, A12 Pulse
Modulator Board
A31 Motherboard, Lowband Switch
Filter (out)
E8251-20590
W77
(E8267D)
A29J2 A35J1 E8251-20018
W78
(E8267D)
A35 I/Q MOD A37J1 E8251-20217
W79
(E8267D with prefixes
<US4722/MY4722)
A35J9 Rear Panel
(WIDEBAND Q INPUT)
8121-0628
W80
(E8267D with prefixes
<US4722/MY4722)
A35J106 Rear Panel
(WIDEBAND I INPUT)
8121-0628
W81
(1.85 mm connector)
(Option 1EM)
Semi-Rigid Cable, A24 67 GHz High
band Coupler (output)
AT1 90 dB Mechanical Attenuator
(input)
E8251-20320
Table 2-4 (Continued)
Reference Designator Input Output Part Number