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|  MIL-T-81527B(AS)
required for the operation of the Waveguide Extension, and shall be composed
of the following:
(a) Microwave Control Panel
(b) Diode Gate Driver
3.4.3.5.2.2 Form Factor.
The Microwave Control Panel Assembly shall
be approximately 5.25 x 9 x 9 inches, exclusive of switches and receptacles,
and shall be cantilevered off the left side of the Wave guide Extension on a
hinged support, to provide access for removal of the RFO for servicing.
3.4.3.5.2.3 Microwave Control Panel.
The Microwave Control Panel
shall contain the following control switches, indicators, and test jacks:
(a) MODE SELECT Switch - The MODE SELECT Switch shall provide
for selection of any of the following modes:
(1) O, 40 and 79 positions provide for interjection into the shelf
of STALO Center Frequency in the CW Mode. When used in conjunction with
other controls, Pulse or Pulse Doppler Modulation shall be added. Attenua-
tors shall provide up to 80 dB of attenuation for this signal.
(2) PA RAMP: Switching RF energy supplied by the Bench X-Band
Sweep Generator to the main or Auxiliary Receiver channels in the Receiving
Waveguide Assembly.
(3) SHORT, LONG or PD: Energizing the BTG in either of the
three signal modes.
(4) BENCH: Select the BTG bypass signal path in one signal mode
so that it may be equalized to the normal signal path with BTG shorted.
(5) XMIT BY-PASS - SHORT or PD positions: Switch RF, heater
power, and BDC from the BTG under test to the radar BTG in either SHORT
or PD positions,
(b) REF (Reference Enable) Switch - The REF switch shall cause the
center frequency to be modulated when the Mode Select is in the O, 40 or 79
position. When the Mode Select is in the SHORT, LONG or PD position, it
shall select the BTG bypass path and the proper attenuation.
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