Keysight Technologies N9030B, Руководство по обслуживанию

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N9030B PXA Signal Analyzer Service Guide 267
LO Synthesizer/Reference Troubleshooting
A16 Reference Assembly Description
Table 8-3 lists all the reference signals provided by the A16 Reference
Assembly.
Table 8-3 A16 Reference Assembly Signals
Signal Description From Location Originates From To Location Purpose
External Reference Input
(1 to 50 MHz,
-5 dBm to +10 dBm)
Input from User n/a A16704 Phase Lock analyzer with
user-provided reference.
10 MHz Out DIF A16J710 10 MHz Reference Not used Reserved for future use
50 MHz Align Signal A16J701 100 MHz
VCXO/2
A9 50 MHz Low band
alignment signal
4800 MHz
Align Signal
A16J701 2.4 GHz
VCXO x 2
A9 4.8 GHz High band
alignment signal
50 MHz Ecal/300 MHz
Comb Output
A16J705 100 MHz
VCXO/2,
100 MHz
VCXO x 3
A13J6 50 MHz Cal Signal or
300 MHz Comb for
wideband IF phase
linearity
100 MHz LO Synth A16J706 100 MHz
VCXO
A14J10 100 MHz reference for
both single-loop and
dual-loop operation
100 MHz Ref A A16J707 100 MHz
VCXO
Not used Reserved for future use
100 MHz Ref B A16J716 100 MHz
VCXO
A3J14 Frequency reference for
A3 Digital IF (DIF)
assembly. Divided by 10
on DIF to provide
10 MHz OUT on rear
panel.
100 MHz Ref C A16J717 100 MHz
VCXO
Not used Reserved for future use
300 MHz LO AIF A16J711 100 MHz
VCXO x 3
A2J300 Used as 3rd LO on A2
Analog IF (AIF) assembly
2.4 GHz Ref A16J718 2.4 GHz
VCXO
A25J301 Reference for A25
Wideband Digital IF
(WDIF)
4.8 GHz 2nd LO A16J702 2.4 GHz
VCXO x 2
A13J1 2nd LO for A13 Front End
assembly, downconvert
low band 1st IF to
322.5 MHz 2nd IF
4.8 GHz 1st LO Ref A16J703 2.4 GHz
VCXO x 2
A14J4 4.8 GHz reference for
Offset Loop, only used in
Dual-Loop operation