MIL-PRF-1/1660C
TABLE I. Testing and inspection - Continued.
Limits
Inspection
Method Notes
Conditions
Symbol
Min
Max
Unit
Conformance inspection,
part 3 - Continued
1031
8/ 12/ F = 55 to 500 Hz;
Ep
---
250
mV ac
Variable frequency
vibration
13/ 15 G peak (min);
Ec/Ib = 10 mA dc;
Rp = 10,000 ohms;
Ebb = 300 V dc
---
---
---
---
Shock
1041
8/ 13/ 60 G peak (min);
15/ duration = 11 ± 2 ms;
no voltages applied
8/ 13/ No voltages applied
---
---
---
---
Torque
---
14/
Shock and torque-test
---
end point:
Total grid current
1266
---
Ic
---
-10
µA dc
Po
5.0
---
W
1236
8/ 13/ F = 3.0 GHz (min);
Power oscillation (2)
(pulse)
17/ epy = 3.5 kv;
Ec = -1.5 V dc (min);
Rg/Ib = 15 mA(max);
Ef = 5.8 V ac
po
1.8
---
kw
Power gain
---
8/ 13/ F = 1.1 GHz ± 50
18/ MHz; Ebb = 2.2 kV
dc (min); Ecc = -50 V
dc; tp = 3 µs (min);
Du = 0.002 (min); pd
= 400 w
Po
22
---
W
Power oscillation
1236
8/ 13/ F = 2.5 GHz ± 100
19/ MHz; Ef = 5.3 V ac;
Eb = 1.0 kV dc;
Ib = 150 mA
---
---
---
---
13/ 20/ Ef = 6.3 V ac;
Life test (2)
---
F = 5 kHz ± 10
percent;
Ebb = 1.0 kV dc;
Eg and Rk/Ik
= 125 mA dc (min);
Ic = 45 mA dc (min);
TA = 250°C (min);
t = 100 hours
Life-test (2) end point:
---
Pulsing emission
1231
---
(eb = ec)/is = 8 a
etd
---
200
v
See footnotes at top of next page.
3
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