Rare WE437/EC8020 triode for hf amplifying.100 tubes.

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Subject: Rare WE437/EC8020 triode for hf amplifying.100 tubes.
Triode for HF amplifying in wide frequency amplifiers.
Triode for HF amplifying in wide frequency amplifiers.
Resistance in cathode circuit, Ohm
Input resistance (by f=60 MHz), KOhm
Equivalent noise resistance, KOhm
Vibration noise (by RA=2 KOhm), mV
Inter electrode capacitance, pF:
Resistance in grid circuit, MOhm
Operating environmental conditions :
Acceleration of vibration loads, g
Acceleration of multiple impacts, g
Acceleration of single impact, g
Ambient temperature, °С
Relative humidity at up to 40°C, %


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