Keysight Technologies E8257D Service Manual page 183

Replaceable Parts
Assemblies
Table 2-3
Assembly
A28 YIG Oscillator
A29 20 GHz Doubler
A30 Modulation Filter with High Power
A31 Motherboard
A31 Motherboard
A32 10 MHz Crystal Oscillator
(for instruments with serial
prefixes ≥ US4805/MY4805)
A32 10 MHz Crystal Oscillator
(Option UNX)
A32 10 MHz Crystal Oscillator
(Option UNY)
A32 10 MHz Crystal Oscillator
(Option UNR – Discontinued)
A33 3.5 6 dB PAD (E8257D Option 521 and E8267D
Option 513 and 520)
A33 3.5 10dB PAD (Options 532/544)
A34 Internal Hard Drive (Option 005 – Discontinued)
(for instruments with serial prefixes < 4829)
A35 3–20 GHz I/Q Modulator
(for instruments with serial
prefixes < US4722/MY4722)
A35 3–20 GHz I/Q Modulator
(for instruments with serial
prefixes ≥ US4722/MY4722)
A36 Quadraplier (Options 550 and 567 only)
A37 Upconverter
E8257D/67D, E8663D PSG Signal Generators Service Guide
E8257D and E8663D
Part Number Page Number
5087-7739 2-203,
2-204, and
2-206
5087-7738 2-206
5087-7737 2-206
2-206
a
E8251–60133
N/A
E8251-60625 2-198,
2-199, and
2-200
E8251-60626 2-198,
2-199 and
2-200
E8251–60798 2-198,
2-199 and
2-200
E8251–60071 2-198,
2-199 and
2-200
08493-60026 2-199 and
2-204
N/A
N/A
N/A
N/A
5087-7741 2-200 and
2-204
N/A
E8267D
Part Number Page Number
5087-7739 2-205 and
2-207
5087-7738 2-207
5087-7737 2-207
N/A
E8251-60667 2-207
E8251-60625 2-201 and
2-202
E8251-60626 2-201 and
2-202
E8251–60798 2-201 and
2-202
E8251–60071 2-201 and
2-202
08493-60026 2-201
08493-60027 2-202 and
2-205
E8251–60115 2-202
5087–7059 2-207
5087-7742 2-207
N/A
5087-7740 2-202 and
2-205
193