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 the OUTPUT jack (terminals) on the ac volt-
One coaxial tee connector, UG-274B/U (REF.
meter. Fabricate the adapter cable from a
tee , is required when performing the ORZ
length of flexible coaxial cable, such as RG-
procedure (par. 14).
58/U (the impedance of the adapter cable is
e. Power Source. If the additional test equip-
not critical). The length of the adapter cable
ment specified in a, b, and c above is used, a
must meet the requirements for placement of
power source which provides 115 volts ac is
equipment (par. 10). One end of the adapter
necessary for operation. The power source
cable must be terminated in a phone jack which
mates with the phone plug on the cable which
should have sufficient current capacity for all
is attached to the filter. Terminate the other
the equipments (refer to the technical manuals
end of the adapter cable in dual banana plugs,
of each equipment for the current it requires,
spade lugs, or tinned leads; be sure the center
and permissible variations in the power supply
conductor of the cable is attached to the banana
voltage). If other test equipment is used, refer
plug or spade lug attached to the hot output
to the technical manual for each specific equip-
terminal of the ac voltmeter on one end, and
ment to determine power source requirements.
to the part of the jack which contacts the cen-
f. Adapter Cable. An adapter cable is re-
ter (hot) part of the phone plug on the cable
attached to the filter.
quired to connect the cable from the filter to
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