Keysight Technologies X Series Service Manual page 319

L.O. 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
b
Output
100 MHz Ref B A16J716
a
Out
10 MHz A16J710
c
Output
a. Use on units serial prefix ≥ MY/SG/US5648 with any of the following options: B40, MPB, DP2
b. Used on units serial prefix < MY/SG/US5648 with any of the following options: B40, MPB, DP2
c. Used in units without any of the following options: B40, DP2, MPB
Keysight N9010A EXA Service Guide
Expected Expected Power
Frequency Level
(MHz) (dBm)
50 MHz −26 to −29 dBm
typical
4800 MHz +10 dBm ± 2 dB
4800 MHz +4 dBm
50 MHz −25 dBm
4800 MHz −28 dBm
2400 MHz
+10 dBm
-12.5 to
-15.5 dBm
300 MHz +10 dBm
100 MHz +13 dBm
100 MHz +13 dBm
10 MHz +7 dBm
Special Instrument
Cond itions
While monitoring A16J705
output, place functioning
spectrum analyzer in Max
System
Hold. Press
Alignments
,
Now All
, on EXA.
Freq 1 GHz
Press ,
Span Zero Span
,
Freq 50 MHz
Press ,
Span Zero Span
,
Meas Setup
,
Opt Best Close in
,
PNoise
on EXA
Input/Output
Press
Calibrator 50 MHz
,
EXA
Input/Output
Press
Calibrator 4.8 GHz
,
EXA
a
or
b
Figure
Figure
8-11
,
Align
Figure
,
8-12
on EXA
Figure
,
8-13
,
PhNoise
RF Figure
,
8-14
on
RF Figure
,
8-15
on
Figure
8-16
or
Figure
8-17
Figure
8-18
Figure
8-19
Figure
8-20
Figure
8-21
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