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Page Title:
Transmitter. Radar T-1224( )/AWG-9 |
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|  MIL-T-81785C(AS)
(2) Measure the pulse width of signals less than 3
sec
0.05 sec and of
in duration to an accuracy of
signals greater than 3.0
sec to an accuracy of
0.1
sec.
(3) Frequency linearity, across the compressed pulse output
(side lobe level). Measure the side lobe level to an
2 dB in the region of 30 dB below the
accuracy of
compressed pulse.
3.4.1.3 Transmitter. Radar T-1224( )/AWG-9. The RFTS shall provide the
x
.
capability for performing the following tests on the radar transmitter:
a.
Transmitter power. Measure the transmitter average power
0.2 dB.
output of the BIT coupler to an accuracy of
CWI power. Measure the CWI power output of the BIT coupler to
b.
0.2 dB.
an accuracy of
Transmitter spectrum. Verify central line power spectrum.
Malfunction protection. Verify operation of the following.
(1)
Gridded traveling wave tube (GTWT) and CWI arc detector
(2)
Low solenoid current
(3)
Body current
(4)
Pressure loss switch
e.
Check waveguide pressurization
Verify operation of waveguide switches
f.
Modulator assembly. Check the following:
g.
(1) GTWT grid pulse waveform
(2) GTWT filament voltage
3.4.1.4 Power Supply PP-6770( ) /AWG-9. The RFTS shall provide the capability
for performing the following tests on the collector power supply:
a.
Measure output voltage under full load to an accuracy of
+ 1.0 percent in the region of -12.5 kiloVolts (kV).
Measure output ripple under full load to an accuracy of
b.
10 millivolts (mV) in the region of 100 mV through the range
of 400 to 4800 Hz.
3.4.1.5 Power Supply PP-6771( )/AWG-9. The RFTS shall provide the capability
for performing the foll owing tests on the beam power supply:
Voltage and regulation.
a.
(1) Voltage. Measure output voltage under two load conditions
1 percent in the region of -18 kV.
to an accuracy of
(2) Regulation. Measure the change in output voltage from
1.0 percent.
no load to full load to an accuracy of
b. Ripple
-12-
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