MIL-G-85742(AS)
3.2.1.13 Loop gain/phasing.
3.2.1.13.1 Tracking loop gain. The tracking loop gain shall be between
2.5 deg/sec per degree of tracking error and 6 deg/sec per degree of
tracking error for frequency A to frequency C, between 3 deg/sec per degree
of tracking error and 6 deg/sec per degree of trucking error for frequency
C to frequency E and between 3 deg/sec per degree of tracking error and 10
deg/sec per degree of tracking error for frequency E to frequency G. The
requlremente shall be met for 10 of the 14 measurements at power level 2C.
3.2.1.13.2 Tracking loop phasing. GCS phasing shall be adjusted such
that the out of plane tracking error is less than 10 percent of the in
plane tracking error.
3.2.1.13.3 Caging loop gain. The caging shall be 8 ±2 deg/sec per
degree of gyro lag.
3.2.1.14 Pilot tone. When system threshold has been exceeded, the GCS
shall generate the pilot's tone which shall be the PRF of the incoming signal.
The pilot tone signal shall be a pulse 100 ±15 microseconds wide, 3.8 ±0.2
V p-p at the PRF of the incoming signal. With no signal present the number
of false threshold crossings shall be less than 5 in a 10 second interval.
3.2.1.15 Servo torque output. The servo torque output shall be greater
than 1,050 inch-pounds (in-lb) while tracking a target moving at a rate of
6 deg/sec.
3.2.1.16 Servo torque balance. The servo imbalance measured in the up-
down and in the right-left channels shall be not greater than 50 in-lb.
3.2.1.17 Servo output noise. While tracking a stationary target posi-
tioned on an extension of longitudinal axis of the GCS, which is operating
on internal per, no more than five servo torque peaks in excess of 100
in-lb in any one direction, as measured from measured from the average levels, shall be
observed during any 2 second interval.
3.2.1.18 System gain. The system gain in each of the four quadrants)
shall be 270 ±70 in-lb servo torque output while tracking a target moving
at a planar rate of 1 deg/sec.
3.2.1.19 Average system gain. The average system gain for each channel
shall be 270 ±50 in-lb in servo output torque per deg/sec planar tracking
rate.
3.2.1.20 Steady-state cross talk. The p-p value of cross talk in the
transverse plane shall be not greater than 200 in-lb while tracking a
target moving at a planar rate of 6 deg/sec in the opposite plane,
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