Quantcast Test of Attenuator, Fixed CN-1066/URC (Generator Load)

 

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General Test Requirements - TM-11-6625-623-450022
Up
TM-11-6625-623-45 Maintenance Kit Electronic Equipment MK-722/URC Manual
Next
Figure 4­6. Neutralizing detector, schematic and wiring diagram. - TM-11-6625-623-450024
C2, TM 11-6625-623-45
j. Check that resistance between J1 and P1
c. Set the signal generator for a 2mc, 3
and between J2 and P2 is less than one (1)
volts, output.
ohm.
d. Connect the UG­274B/U connector to the
DA­340/URC connector associated with the
5-10. Test of Attenuator, Fixed CN-1066/
blue tipjack using the 4­12­inch fabricated
URC (Generator Load)
cable.
(fig.m 3-1 and 4-2)
a. Connect the ZM-4B/U between center
e. Check that the AN/URM-145 indicates
conductors of the CN­1066/URC BNC con-
not less than 2.90 volts.
nectors.
f. Set the frequency of the signal generator
b. The ZM-4B/U shall indicate 50 ohms ±5;
to 30 mc and disconnect the DA-340/URC
center conductors shall not be shorted to outer
from the UG-274B/U.
conductor or case.
g. Set the signal generator output level to
5-11. Test of Test Probe No. 1
3 volts.
(TM 11-6625-623-12, fig. 1-6)
h. Connect the DA-340/URC to the UG-274
a. Connect the ZM-3/U between center con-
B/U as indicated in d above.
ductors (tip probe to center of BNC connector.
b. The ZM-3/U shall indicate 100 mmf ±10
i. The AN/URM-145 shall indicate 2.2 volts
mmf.
±0.11.
17

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