Anritsu MS2665C - Adjustment after Module Replacement; Reference Crystal Oscillator (Option 01) Adjustment

Section 2 MS2665C
2-16
2.2.5 Adjustment after module replacement
This paragraph describes the overall adjustment required after replacement of any modules in following Table. Look for
modules which you replaced in Table. Please carry out work corresponding to module which you replaced. This adjust-
ment is not necessary, if the module you replaced does not belong to the following Table.
Replaced module
A08 LOCAL-A Carry out 2.2.5.1 and 2.2.5.2.
3GHz CONVERTER Carry out 2.2.5.2 and 2.2.5.3.
A13 MICRO CONVERTER
21GHz YTF/SW
2.2.5.1 Reference crystal oscillator (option 01) adjustment
Remark :
Before this adjustment, leave the spectrum analyzer power-on at least for 6 to 7 hours. This adjustment needs a very high
accuracy frequency standard (10 MHz).
Required equipment :
(1) MG3633A Synthesized signal generator
(2) MF76A Frequency counter
Setup :
to Ref Input
on the rear
MG3633A
Output
Input
The spectrum analyzer
MF76A
to Ref Out
on the rear
to 10 MHz In
on the rear
to 10 MHz
standard signal
Fig. 2-2-1