Keysight Technologies N5244/5B Service Manual page 352

Replaceable Parts
Replaceable Parts Listings
Reference
Part Number
Designator
A42 5087-7789
A45
Was 5087-7331
A46 33325-60023
A49
Was 33325-60017
Was 33325-60011
A50 N1811-60033
A51
Was N1811-60031
A53
Was N1811-60009
A54 11667-60021
Was N5532-60002
A56 N1811-60033
A57
A59 5087-7344
A64 5087-7345
N5240-60058

Was N5240-60051
5063-1700

1250-4261

(Indicated,
but not
shown.)
a. Part numbers in italic typeface are for rebuilt exchange assemblies. Refer to
page 6-5.
b. All new units built after August 2009, no longer use the N5242-60031 cable that was attached to connector P1001 and
Source 2. As a result of this change, the IF multiplexer boards have had their P1001 connectors removed. If your instrument
contains a N5242-60031 cable, remove it from your instrument.
c. The A26 splitter (5067-4086) and N5245-20013, N5245-20022, N5245-20023, N5245-20101, and N5245-20150 cables
are only used with a legacy HMA26.5 p/n: 5087-7765. If you are unclear which HMA26.5 assembly your PNA has installed,
refer to Chapter 7 Repairs and
option-model in Chapter 6
Configuration, Serial Number Prefix <6021" on page
d. Shipping box reads "2 port ECAL HF w/delta launch".
6-118
Qty Description
a
2 Test port 1 bias tee (includes wire harness)
Test port 2 bias tee (includes wire harness)
2 Port 1 receiver attenuator
Port 2 receiver attenuator
3 Port 1 mechanical switch
SRC2 OUT1 mechanical switch
Port 2 mechanical switch
1 Combiner
2 Port 1 noise bypass switch (Option 029 only)
Port 2 noise bypass switch (Option 029 only)
1 Noise receiver (Option 029 only)
1
d
Tuner (Option 029 only)
2 Front panel LED board
2 Bulkhead connectors
1 50 ohm termination (connect to HMA26.5 top connector).
(Indicated, but not shown.)
Figure 7-20 on page 45
"2-Port Configurations, Serial Number Prefixes <6021" on page 6-34
"Rebuilt-Exchange Assemblies" on
and for details on A26 splitter and cabling , refer to your
6-129.
Keysight N5244B/45B Service Guide
and "4-Port