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|  MIL-T-81785C (AS)
(1) Ripple. Measure output ripple under load to an accuracy
of 10 mV in the region of 100 mV through the range of
400 to 4800 Hz.
3.4.1.6 Power Sup ply PP-6772( )/AWG-9. The RFTS shall provide the capability
for performing the following tests on the solenoid power supply:
a.
Current regulation. Measure current regulation to an accuracy
of 1 percent with normal load, with shorted load, and with
shorted sense in the range of 22 to 32 amperes.
b.
Ripple. Measure output ripple to an accuracy of 3 milli-
amperes (mA) through the range of 400 to 2400 Hz.
3.4.1.7 Receiver, Radar R-1785( )/AWG-9. The RFTS shall provide the
capability for performing the following tests on the radar receiver:
a.
Blanking isolation
(1) Verify blanking isolation in excess of 50 dB.
(2) Verify blanking logic
b.
BIT Couplers. Measure coupling factor to an accuracy of
2 dB in the region of 40 dB.
Preamplifier
c.
(1) Measure gain to an accuracy of
1 dB in the region of
30 dB.
(2) Measure bandwidth at the 3.0 dB points to an accuracy of
0.3 MHz in the region of 6.0 MHz.
(3) Measure automatic gain control (AGC) to an accuracy of
1.0 dB in the region of 20 dB.
(4) Measure post attenuation to an accuracy of
0.3 dB
in the region of 12 dB.
Radar receiver - Paramp "ON" and "OFF"
d.
(1) Verify bandwidth at the 1.0 dB points to an accuracy of
10 MHz over the receiver operating range.
(2) Measure noise figure to an accuracy oft 0.6 dB.
Verify control logic.
e.
3.4.1.8 Converter, Signal Data CV-2950( )/AWG-9 and CV-3225( )/AWG-9.
The RFTS shall provide the capability for performing the following tests on
the doppler processor signal data converter:
Measure the unit gain of the clutter processor to an accuracy
a.
2.0 dB in the region of 50 dB.
of
b.
Sub-band filter operation
(1) Measure the bandwidth to an accuracy of
0.5 kHz in the
region of 19.2 kHz.
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