Keysight N5244A/45A Service Guide 6-121
Replaceable Parts
Replaceable Parts Listings
4-Port Configuration, Options 400/419/423/029
Bottom Assemblies, 4-Port, Options 400/419/423/029
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)
A26
5067-4086
5067-6086
Was 5086-7408
1
Splitter
A27
A28
5087-7323
5087-6323
2
Mixer brick
A29
A30
A31
A32
5087-7760
Was 5086-7658
4
Test port 1 reference coupler
Test port 3 reference coupler
Test port 4 reference coupler
Test port 2 reference coupler
A33
A34
A35
A36
5087-7793
Was 5087-7724
4
Test port 1 coupler
Test port 3 coupler
Test port 4 coupler
Test port 2 coupler
A37
5087-7759
Was 5087-7271
1
Reference mixer switch
➀
N5240-60058
Was N5240-60051
2
Front panel LED board
A38
A39
A40
A41
33325-60016
Was 33325-60012
4
Test port 1 source attenuator
Test port 3 source attenuator
Test port 4 source attenuator
Test port 2 source attenuator
A42
A43
A44
A45
5087-7789
Was 5087-7331
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)
A46
A47
A48
A49
33325-60017
Was 33325-60011
4
Port 1 receiver attenuator
Port 3 receiver attenuator
Port 4 receiver attenuator
Port 2 receiver attenuator
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 ...