MIL-PRF-1/1633B
TABLE I. Testing and inspection - Continued.
Acceptance
Limits
Inspection
Method
Conditions
Level 26/
Symbol
Min
Max
Unit
Conformance inspection,
part 2 - Continued
F = 700 MHz (min);
---
Power gain (CW )
6.5
Po
38.0
---
W
Eb = 630 V dc;
(useful)
Ef = 5.6 V;
Pd = 4.0 W atts;
Rg/Ic = 40 mA dc (max);
Ik = 140 mA dc (max)
11/ 23/
Grid distortion
---
11/ 24/
6.5
---
+2.0
MHz
ĆF
-11.0
Conformance inspection,
part 3
hrs
Group B; Ef = 6.3 V ac;
---
---
500
t
---
Life-test (1) provisions
filament standby 21/
Life-test (1) end point
---
21/
---
---
25
%
Ćib
---
Cycles
1,000
---
---
Life-test (2) provisions
---
Group C; heater cycling;
2 minutes on Ef = 6.3 V;
5 minutes off Ef = 0 V;
no other voltages applied.
Life-test (2) end points
---
Heater current
---
If
1.15
1.45
A
Periodic-check tests
F = 55 to 500 to 55 Hz;
1032
Variable-frequency
---
Ep
---
250
mV ac
accel = 10 G peak (min);
vibration
Ec/Ib = 10 mA dc;
Rp = 10,000 ohms;
Ebb = 300 V dc 11/ 16/ 17/
Torque
---
No voltages applied
---
---
---
---
---
11/ 16/ 18/
Torque test end point
---
Total grid current
---
Ic
---
-10
µA dc
Shock
1042
Condition A; method 213;
---
---
---
---
----
MIL-STD-202
11/ 16/ 19/
Shock-test end point
---
Total grid current
---
Ic
---
-10
µA dc
---
---
---
---
---
Barometric pressure,
---
Pressure = 35 mmHg (max);
reduced
voltage = 2,000 V ac;
TA = 30°C ± 10°C
16/ 20/
See footnotes at top of next page.
3
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