MIL-PRF-1/1037E
TABLE I. Testing and inspection - Continued.
Inspection
Limits
Inspection
Method
Conditions
Acceptance
level or
Symbol
Unit
level
code
Min
Max
Conformance inspection,
part 3
Life test (1) 3/
----
Group C; F = 500 MHz (min);
----
----
----
----
----
----
Ebb = 800 V dc; Ib = 80 mA dc;
initial Po = 27 W (min);
Ef = 6.0 V; t = 500 hours
Life-test (1) end point:
----
----
----
Po
----
-25
%
Life test (1)
t
Life test (2)
4/
----
Group D; Ef = 5.0 V;
----
----
----
----
----
---
F = 2.0 GHz (min);
Ebb = 900 V dc;Ib = 80 mA dc;
Ec/Max Po; t = 200 hours
Life-test (2) end point:
----
----
Po
----
-25
%
Power oscillation
1236
t
Periodic-check tests
Barometric pressure,
1002
Pressure = 30 mmHg (max);
----
----
----
----
----
----
reduced 16/
voltage = 1,000 V ac;
TA = 30G H 10GC
Variable frequency
1031
F = 55 to 500 Hz; 10 G peak
----
----
Ep
----
250
mV ac
vibration 6/ 11/ 17/
(min); Ec/Ib = 10 mA dc;
Rp = 10,000 ohms;
Ebb = 300 V dc
Vibration-fatigue 2/ 6/
1031
Eb = Ec = 0; Ef = 6.0 V
----
----
t
96
----
hrs
Vibration-fatigue
test end point:
Total grid current 7/
1266
----
----
Ic
----
-5.0
2A dc
Torque 1/ 10/
----
No voltages
----
----
----
----
----
----
Torque-test end point:
Total grid current
1266
----
----
Ic
----
-5.0
2A dc
Shock 5/ 6/ 11/
1041
400 G peak (min); duration
----
----
----
----
----
----
= 0.5 ms (min); no voltages;
X, Z+, and Z- axes
Shock-test end point:
Total grid current 7/
1266
----
----
Ic
----
-5.0
2A dc
See footnotes at end of table.
4
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