.
TM 11-6625-1633-45
Power Supply Voltage Adjustment Chart
Signal generator test points
Performance standard
Adjustment
Procedure
A4TP2
6.1 to 6.5 vac
KLY Fil potentionmeter
Adjust KLY FIL potentiometer R70 (fig 3-4)
A4TP6
R70
for a 6.3 volt indication of ME-202.
A4TP5
-322 to - 328
BEAM-325
Adjust BEAM-325 potentiometer A3R15-
A4TP1
vdc
potentiometer A3R15
202.
A4TP9
-644 to -656
REFL-650
Adjust REFL-650 potentiometer A3R8
A4TP1
vdc
potentiometer A3R8
ME-202.
A4TP4
284 to 252
250V
Adjust 250V potentiometer A2R8 (fig 3-10)
A4TP1
vdc
potentiometer A2R8
for a 250 volt dc indication ME-202
d. Connect the AN/URM-145 between capacitor
4-14. Klystron Beam Current Adjustment
A4C3 and ground.
a. Connect the AN/URM-98 to the signal generator
e. Adjust ZERO SET control knob and METER
RF OUTPUT jack J5.
SENSITIVITY potentiometer R67 (fig. 3-1) for a si-
multaneous indication of 0.39 volt rms on the AN/URM-
145 and zero set on the power set meter.
and set the controls to the positions below:
f. Set POWER toggle switch to OFF position. Dis-
NOTE
connect the AN/URM-145 and reassemble rf oscillator
Allow the signal generator to warm up for
section (para 4-2).
15 minutes.
4-16. Modulation Frequency Adjustments
(1) 600-1850 MC FREQUENCY MC counter to
600.
a. Disconnect connector P13 from jack A1J4.
(2) ATTENUATOR control knob fully clockwise.
(3) POWER OFF toggle switch to up.
for a maximum power output indication on the wattme-
ter.
and set the controls to the position listed below:
4-15. Power Monitor Bridge Adjus tment
NOTE
Allow the signal generator to warm up for
15 minutes.
(1) MODULATION selector switch to INT SINE.
connector P8 to jack A4J3.
(2) DEVIATION control knob fully clockwise.
(3) DEVIATION METER RANGE selector switch
5and set the controls to the positions listed below:
to 300 KC.
(4) Power OFF toggle switch to up.
NOTE
Allow the signal generator to warm up for
d. Set the INTERNAL MODULATION FRE-
15 minutes.
QUENCY selector switch to the positions indicated in
the following chart and make the trimmer capacitor ad-
(1) Center frequency selector handwheel to 700.
justments shown to obtain frequency meter indications
(2) MODULATION selector switch to OFF.
within the limits specified.
(3) POWER OFF toggle switch to up.
4-6
