Keysight Technologies N5244/5B Service Manual page 419

Replaceable Parts
Replaceable Parts Listings
Reference Part Number
a
Type
Designator
W114 SR N5245-20070
W115 SR N5245-20060
W116 SR N5245-20061
W117 SR N5245-20092
W118 SR N5245-20091
W123 SR N5245-20155
Was N5245-20104
a. SR = semirigid coaxial cable; F = flexible coaxial cable
b. Some PNA models have newer model A27/A28 mixer blocks installed. A68/A69 3 dB attenuators are only applicable to
instruments with legacy 5087-7323/5087-6323 mixer bricks. The new 5087-7417 mixer brick have the 3 dB pads
integrated into the mixer brick assembly. Legacy A27/A28 mixer bricks use the 5245-20021 semi-rigid cable. New mixer
bricks use the N5245-20191 semi-rigid cable.
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
Keysight N5244B/45B Service Guide
Qty Description
1 Rear-panel PORT 3 SW TSET IN (J7) to A51 port 3 mechanical switch
1 A52 port 4 mechanical switch to W15
1 A52 port 4 mechanical switch to A31 port 4 reference coupler
1 A52 port 4 mechanical switch to PORT 4 SW SRC OUT (J4)
1 A52 port 4 mechanical switch to PORT 4 SW TSET (J3)
4 Rear panel jumper
Figure 7-20 on page 45
"2-Port Configurations, Serial Number Prefixes <6021" on page 6-34
and for details on A26 splitter and cabling , refer to your
6-129.
and "4-Port
6-185