MIL-PRF-1/1308E
TABLE I. Testing and inspection - Continued.
Inspection
Method
Conditions
Acceptance Symbol
Limits
Unit
MIL-STD-
level
1311
8/
Min
Max
Conformance inspection,
part 3
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Group C;
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Life-test provisions
Class "C" amplifier
Life-test end points
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Power output
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Po
8
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W
(500 hours)
Peak emission
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is
600
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mA
µA dc
Total grid current
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Ic1
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-10.0
1/
See "Reduced pressure (altitude) rating", and altitude, maximum peak voltage.
2/
Each unit shall be read separately. Control grid of unit not under test shall be connected to -100 V dc.
3/
This test to be performed at the conclusion of the holding period.
Test both units in parallel. Ec1 is a rectangular pulse voltage with a pulse width of 800 µs; this pulse voltage is superimposed
4/
on Ec1 = -100 V dc (total pulse voltage = 160 V.) Duty cycle = 0.04.
5/
Each unit shall be tested separately; ground unit not under test.
6/
Screen grid Mu is determined by measuring grid voltage required to adjust anode current for grid 2 voltages of 210 and 190
volts. Mu = 20/ĆEc1 at Eb = 200 V dc; Ib = 30 mA dc.
7/
Power output is total power at drive frequency delivered to load output circuit adjusted so that Pp does not exceed 2 x 5 watts.
8/
This specification sheet uses accept on zero defect sampling plan in accordance with MIL-PRF-1, table III.
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