Keysight Technologies Option 503 Service Manual page 269

LO Synthesizer/Reference Troubleshooting
A16 Reference Assembly Troubleshooting
Table 8-3 A16 Reference Assembly Signal Measurement Details
Signal Signal
Description Location
50 MHz A16J705
Ecal Out
4.8 GHz A16J702
2nd LO Out
4.8 MHz A16J703
1st LO Ref Out
50 MHz Ref Out A16J701
4.8 GHz Ref A16J701
Out
2.4 GHz Ref A16J718
Out
300 MHz A16J711
LO AIF
100 MHz Ref A16J706
Output
100 MHz Ref B A16J716
Out
N9030A PXA Signal Analyzer Service Guide
Expected Expected Power
Frequency Level
(MHz) (dBm)
50 MHz −26 to −29 dBm
typical
4800 MHz +11 dBm
4800 MHz +3 dBm
50 MHz −25 dBm
4800 MHz −28 dBm
2400 MHz +10 dBm
300 MHz +10 dBm
100 MHz +13 dBm
100 MHz +13 dBm
Special Instrument
Cond itions
While monitoring A16J705
output, place functioning
spectrum analyzer in Max
System
Hold. Press ,
Alignments Align
,
Now All
, on PXA.
Freq 1 GHz
Press , ,
Span Zero Span
, on
PXA
Freq 50 MHz
Press , ,
Span Zero Span
, ,
Meas Setup PhNoise
,
Opt Best Close in
,
PNoise
on PXA
Input/Output RF
Press ,
Calibrator 50 MHz
, on
PXA
Input/Output RF
Press ,
Calibrator 4.8 GHz
, on
PXA
Figure
Figure
8-15
Figure
8-16
Figure
8-17
Figure
8-18
Figure
8-19
Figure
8-20
Figure
8-21
Figure
8-22
Figure
8-23
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