Use:
Glass tube type used as voltage amplifier or detector in battery-operated receivers.
Notes: Requires a 4-pin socket.
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Name: 30 Use: Glass tube type used as voltage amplifier or detector in battery-operated receivers. Notes: Requires a 4-pin socket. |
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30 Medium-Mu Triode Data Source= R-10, RC-15, Collins Handbook, 1940 ed. Heater or Filament Voltage= 2 volts Heater or Filament Current= 0.06 amperes EIA Base= 4D Substitutes. . . . . . . . . None |
Capacitances and Design Maximum Values C/in. . . . . . . . . . . . 3.7 pf C/out . . . . . . . . . . . 2.1 pf C/gp. . . . . . . . . . . . 6.0 pf Maximum Plate Voltage . . . 180 volts |
Typical Operation as a Receiving Tube
Description Ep Eg Es Is Ip Rp TC AF Zl PO
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Class A Amplifier 180 -13.5 - - 3.1 10.3K 900 9.3 - -
Class A Amplifier 135 -9.0 - - 3.0 10.3K 900 9.3 - -
Class A Amplifier 90 -4.5 - - 2.5 11.0K 850 9.3 - -
PP Class B Amplifier 157 -15.0 - - 1.0 - - - 8K 2.1w
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