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Page Title:
Detector/AmplifierA3A2Calibration |
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  TB 11-6625-2974-30
(5) Set STE PRIME POWER AC and DC switches
4-3.
Detector/AmplifierA3A2Calibration
to ON. (6) Observe DVM. Reading should be
a.
Detector/Amplifier Performance Check.
0.0 + 0. Vdc. If the performance standard is
(1) Connect a 50-ohm termination to ANT
met, go to paragraph 4-4 (below) for the next
INTERFACES RF IN J3 connector on the front
performance check. If not, go to subparagraph b
panel (fig.4-1).
(below) for adjustment.
(2) Set STE PRIME POWER AC and DC switches
to OFF.
b.
Detector/Amplifier Adjustment. Adjust A3A2-R9
(3) Remove DVM logic module A5Al (fig. 4- 5) and
(fig.'4-6) to obtain a reading of 0.0 ± 0.1 Vdc on DVM.
install on extender card (P/O accessory kit).
(4) Connect DVM to pin 23 (+) and pin 19 (-) of
NOTE
extender card.
R9 is difficult to find.
To see the
adjusting screw, look through the hole in
the chassis frame.
Figure 4-5. Plug-In Module Locations.
4-7
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