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| MIL-T-81778C(AS)
Modulator tests.
f.
(1) In modulator tests F1, F2, and F3 the modulation current
shall be measured to an accuracy of 5 percent.
(2) In modulator tests F1, F2, and F3 the phase reference
shall be measured to an accuracy of 10 usec in the
range from 500 to 2500 usec
Modulator tests, random. The azimuth and elevation modulation
g.
current shall be measured to an accuracy of
3 percent.
Azimuth and elevation static gain and crosstalk tests.
h.
(1) The gain shall be measured to an accuracy of 3 percent
in the region of 6.5 Vdc.
(2) The crosstalk shall be measured to an accuracy of 3
percent in the region of 100 mVdc.
Track response tests. The azimuth and elevation bandwidth shall
i.
be measured to an accuracy of 2 percent in the range from 0.1
Hz to 10 Hz.
Gyro cage tests, The azimuth and elevation gain shall be
j.
measured to an accuracy of
2 percent,
Feedback and feedforward tests.
k.
(1) The azimuth and elevation gain shall be measured to an
accuracy of 2 percent.
(2) The azimuth and elevation feedforward square wave amplitude
shall be measured to an accuracy of 3 percent.
Position memory tests. The
and
drift shall be measured
1.
to an accuracy of
1 percent in the range from O to 10 Vdc.
Angle rate memory tests. The
and
drift shall be measured
m.
to an accuracy of
1 percent in the range from O to 10 Vdc.
n.
Rate memory tests.
(1)
and
shall be measured to an accuracy of 1 percent
in the range from O to 10 Vdc.
drift shall be measured to an
(2) The
drift and the
accuracy of 1 percent in the region of 10 Vdc.
Display position error tests. For azimuth and elevation slew
o.
rate, the rate output shall be measured to an accuracy of
percent in the region of 29 V p-p,
Azimuth memory tests. The azimuth drift shall be measured to
p.
an accuracy of
0.1 degree/second.
BIT tests. For azimuth and elevation, the
and
shall be
q.
measured to an accuracy of 0.5 percent in the range from O
to 10 Vdc.
r.
BIT counter input tests.
(1) The type A digital signal shall be verified.
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