MIL-PRF-1/1404E
Ef = 2.5 V dc
Ebb = Ecc2 = 130 V dc
Ecc1 = -5.6 V dc
Esig = 19 V ac
T1 = 110 V to 24 V, 1 amp (isolation transformer)
T2 = 1 amp (variable transformer)
Rg1 = 1,200 ohms
Cg1 = 300 µF
Rs = 300 ohms
Rg2 = 2,200 ohms
NOTE: Ip meter shall read RMS current and
Cg2 = 80 µF
reactance shall be less than 100 ohms.
Rl = 500 ohms (meter plus resistor)
Cc = 20 µF (oil filled)
Z = 60 H (200 ohms)
FIGURE 1. Operation current test circuit.
NOTE: The resistance Rl shall include the resistance of the anode current indicator.
FIGURE 2. Heating time and intermittent life-test circuit.
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