Keysight Technologies N5247B Service Manual page 245

Replaceable Parts
Replaceable Parts Listings
Table 6-1 Part Number Listing by Reference Designator (Continued)
Reference Description
Designator
A4 13.5 GHz source 1 synthesizer board (Applies to PNA
models with serial numbers <6021 only)
A5 26.5 GHz source board 1
A6 Not used
A7 Doubler 1 board
A8 Doubler 2 board
A9 Noise board
A10 26.5 GHz source board 2
A11 Not used
A12 Doubler 3 board
A13 Doubler 4 board
A14 Frequency reference board
A15 13.5 GHz (LO) synthesizer board (Applies to PNA models
with serial numbers
A15 (DDS) Direct digital synthesizer (DDS) assembly (Applies to PNA
models with serial numbers
synthesizer assembly upgrades only)
A16 Signal processing ADC module (SPAM) board
A17 13.5 GHz source 2 synthesizer board (Applies to PNA
models with serial numbers
A18 System motherboard
A19 Midplane board
A20 Power supply
A21 CPU board
A22 GPIB board
A23 Testset motherboard
A24 IF multiplexer board
LO Multiplier/amplifier 26.5 (HMA26.5)
a
A25
A26 Splitter
A27 Mixer Brick 1
Keysight N5247B Service Guide
6021 only)
<
6021 or with version 7
≥
6021 only)
<
Location
"Top Assemblies and Cables, All
Options:" on page 6-10.
Your option set determines which
assemblies are in your PNA. Refer to
"Bottom Assemblies and Cables by
Option Set:" in Table 6-2 on
page 6-10
6-7