Keysight Technologies N5244/5B Service Manual page 411

Replaceable Parts
Replaceable Parts Listings
Reference
Part Number
Designator
A37 5087-7759
Was 5087-7271
N5240-60058

Was N5240-60051
A38 33325-60022
A39
Was 33325-60016
A40
Was 33325-60012
A41
A42 5087-7789
A43
Was 5087-7331
A44
A45
A46 33325-60023
A47
Was 33325-60017
A48
Was 33325-60011
A49
A50 N1811-60033
A51
Was N1811-60031
A52
Was N1811-60009
A53
A54 11667-60021
Was N5532-60002
A56 N1811-60033
A57
A59 5087-7344
A64 5087-7345
A69
08490-60010
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. Shipping box reads "2 port ECAL HF w/delta launch".
d. Only applies to instruments with legacy 5087-7323/5087-6323 mixer bricks. The new 5087-7417 mixer brick has the 3 dB
pads integrated in the mixer brick.
Keysight N5244B/45B Service Guide
Qty Description
a
1 Reference mixer switch
2 Front panel LED board
4 Test port 1 source attenuator
Test port 3 source attenuator
Test port 4 source attenuator
Test port 2 source attenuator
4 Test port 1 bias tee (includes wire harness)
Test port 3 bias tee (includes wire harness)
Test port 4 bias tee (includes wire harness)
Test port 2 bias tee (includes wire harness)
4 Port 1 receiver attenuator
Port 3 receiver attenuator
Port 4 receiver attenuator
Port 2 receiver attenuator
4 Port 1 mechanical switch
Port 3 mechanical switch
Port 4 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
c
Tuner (Option 029 only)
1 3 dB pad (For A28 mixer brick R4)
d
"Rebuilt-Exchange Assemblies" on
6-177