MIL-PRF-1/1634E
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* Unit
* Inspection
* Notes
* Method
Conditions
* Symbol
Limits
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* Min * Max
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*Conformance
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*inspection, part 2
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*Direct-interelectrode
* 1331
* Cgp
* 0.05
* pF
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* capacitance
* Cin
* 21.0 * 26.2
* pF
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* Cout
* 5.0 * 6.0
* pF
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* µA dc
*Heater-cathode leakage
* 7
* 1336
*Ehk = +150 V dc
* Ihk
* 500
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* µA dc
*Ehk = -150 V dc
* Ihk
* 500
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*Conformance
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*inspection, part 3
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*Life test (1)
* 8,10
*Group C; linear amplifier
* t
* 500
* hours
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* power output and
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* distortion (1-tone
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* modulation)
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*Life test (1)
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* end points:
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* Linear amplifier
* 2204
*Eb = 2,200 V dc;
* Po
* 240
* W(useful)
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* power output
*Ec2 = 400 V dc;
* 3rd IM
* -21
* dB
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* and distortion
*Ec1/Ibo = 70 mA dc;
* 5th IM
* -29
* dB
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* µA dc
* (procedure 2.1)
*Eg1/Ib = 225 mA dc (1-tone);
* Ic1
* 100
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*Rl = 5,000 ±100 Ω;
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*Rg = 1,000 Ω maximum;
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* anode tank
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* Q = 10 to 15
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* t = 180 (max);
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* f = 2 to 10 MHz
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* µA dc
*Primary grid emission
* 1266
*Pg1 = 0.5 W; t = 15; anode
* Isg1
* -25.0
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* (control)
* and screen grid floating
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* µA dc
*Primary grid emission
* 1266
*Ec1 = 0; t = 15;
* Isg2
*-250.0
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*Pg2 = 8.0 W; anode floating
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* µA dc
*Heater-cathode leakage
* 7
* 1336
*Ehk = +150 V dc
* Ihk
* 500
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* µA dc
*Ehk = -150 V dc
* Ihk
* 500
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*Interelement leakage
* 1366
*Ef = 0 (30 minutes, minimum);
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* resistance, cold
*Rs = 2.5 Meg;
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* E = 100 V dc; g1 neg
* Rg1k
* 20
* Meg
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* E = 500 V dc; g1 neg
* Rg1g2
* 20
* Meg
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* E = 500 V dc; g2 neg
* Rg2p
* 20
* Meg
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*Life test (2)
*Group C; heater standby;
* t
* 500
* hours
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* no voltages, except as
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* follows:
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* 8321, 8321A: Ef = 6.4 V ac
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* 8322: Ef = 28.0 V ac
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See footnotes at end of table.
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