MIL-C-48605A (AR)
d. Unless otherwise indicated, all clutter signal
characteristics shall be measured for all positions of the FREQ
SELECT switch with the control asssembly in the CW condition.
e. All clutter signal characteristics shall be measured at
one end of cable W5 with the other end of cable W5 connected to the
RADAR port of the control assembly unless otherwise indicated.
f. With the CLUTTER switch in the OFF position, CLUTTER
LEVEL dial set to 5 (five), and the CLUTTER BALANCE attenuator set
to minimum, the clutter signal (CW) shall be less than -90 dBm.
g. With the CLUTTER switch in the ON position and the
CLUTTER LEVEL dial set to 20, the CLUTTER BALANCE attenuator shall
be capable of adjusting the clutter signal (CW) from -18 dBm to
-22 dBm.
h. All harmonically related clutter power shall be
attenuated a minimum of 40dB relative to the clutter signal (CW),
over a frequency range of clutter signal ±180 MHz.
i. All spurious related clutter power shall be attenuated a
minimum of 60 dB relative to the clutter signal (CW) over a
frequency reange of clutter signal ±180 MHz.
j. For FREQ SELECT switch positions 9.205 and 9.245 only,
the clutter signal (CW) shall be attenuated referenced to the
CLUTTER LEVEL dial over the dial range from 5 to 65 within the
accuracy requirements given in Table IX. An internal RF power
calibration (pulse) is not required.
TABLE IX.
Clutter signal attenuation
DIAL READING IN dB
ROOM TEMP TOLERANCE IN dB
15
±1.5
25
±1.5
35
±1.5
45
±1.5
55
±1.5
65
±2.0
k. The clutter signal (CW) shall be 60 +1.0 MHz higher in
frequency than the STALO output frequency defined in 3.5.6e.
l. With the CLUTTER LEVEL dial at 20, cable W5 connected to
the SELF TEST port of the control assemlby, and CLUTTER BALANCE
attenuator adjusted such that with the FUNCTION SELECT switch in the
RF SELF TEST position the digital display (DVM) indicates the RF
SELF TEST calibration value (Pulse), the clutter signal (CW) shall
be -20.0 ±0.1 dBm for FREQ SELECT switch positions 9.229, 9.205, and
9.245 only.
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