6-44 Keysight N5244A/45A Service Guide
Replaceable Parts
Replaceable Parts Listings
6-
2-Port Configuration, Options 200/219/224
Bottom Assemblies, 2-Port, Options 200/219/224
Reference
Designator
Part Number
a
Qty
Description
A23
N5245-60157
Was N5245-60003
1
Test set motherboard
A24
N5240-60062
b
Was N4240-60045
Was N5245-60127
1
IF multiplexer board
A25
5087-7765
Was 5087-7711
1
LO Multiplier/amplifier 26.5 (HMA26.5)
A27
5087-7323
5087-6323
1
Mixer brick
A29
A32
5087-7760
Was 5086-7658
2
Test port 1 reference coupler
Test port 2 reference coupler
A33
A36
5087-7793
Was 5087-7724
2
Test port 1 coupler
Test port 2 coupler
A37
5087-7759
Was 5087-7271
1
Reference mixer switch
A38
A41
33325-60016
Was 33325-60012
2
Test port 1 source attenuator
Test port 2 source attenuator
A42
A45
5087-7789
Was 5087-7331
2
Test port 1 bias tee (includes wire harness)
Test port 2 bias tee (includes wire harness)
A46
A49
33325-60017
Was 33325-60011
2
Port 1 receiver attenuator
Port 2 receiver attenuator
A50
A51
A53
N1811-60031
Was N1811-60009
3
Port 1 mechanical switch
SRC2 OUT1 mechanical switch
Port 2 mechanical switch
A54
11667-60021
Was N5532-60002
1
Combiner
➀
N5240-60058
Was N5240-60051
2
Front panel LED board
➁
5063-1700
2
Bulkhead connectors
a. Part numbers in italic typeface are for rebuilt exchange assemblies. Refer to
“Rebuilt-Exchange Assemblies” on
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.
Содержание PNA-X N5244A
Страница 10: ...8 Keysight N5244A 45A Service Guide Contents ...
Страница 90: ...3 62 Keysight N5244A 45A Service Guide Tests and Adjustments Adjustments 3 ...
Страница 146: ...4 56 Keysight N5244A 45A Service Guide Troubleshooting Instrument Block Diagrams Sheet 4 4 ...
Страница 155: ...Keysight N5244A 45A Service Guide 5 9 Theory of Operation Synthesized Source Group Operation Figure 5 3 Source Group ...
Страница 174: ...5 28 Keysight N5244A 45A Service Guide Theory of Operation Receiver Group Operation 5 Figure 5 6 4 Port Receiver Group ...
Страница 175: ...Keysight N5244A 45A Service Guide 5 29 Theory of Operation Receiver Group Operation Figure 5 7 2 Port Receiver Group ...
Страница 188: ...5 42 Keysight N5244A 45A Service Guide Theory of Operation Noise Measurement Group Operation Option 029 5 ...
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Страница 472: ...8 18 Keysight N5244A 45A Service Guide General Purpose Maintenance Procedures Correction Constants 8 ...
Страница 504: ...32 Keysight N5244A 45A Service Guide Index ...
Страница 505: ...Installation Note Xxxxx xxxxx 3 ...