Use:
Glass type used in output stage of battery-operated receivers.
Notes: Requires a 4- pin socket.
|
|
Name: 31 Use: Glass type used in output stage of battery-operated receivers. Notes: Requires a 4- pin socket. |
||
31 Power Amplifier Data Source= Collins Handbook, 1940 ed. Heater or Filament Voltage= 2.0 volts Heater or Filament Current= 0.13 amperes EIA Base= 4D Substitutes= None |
Capacitances and Design Maximum Values Heater or Filament Voltage . . . 2.0 volts Heater or Filament Current . . . 0.13 amperes C/in. . . . . . . . . . . . 3.7 pf C/out . . . . . . . . . . . 2.2 pf C/gp. . . . . . . . . . . . 5.7 pf Maximum Plate Voltage . . . 180 volts |
Typical Operation as a Receiving Tube
Description Ep Eg Es Is Ip Rp TC AF Zl PO
========================================================================
Class A Amplifier 180 -30 - - 12.3 3600 1050 3.8 5700 0.375
Class A Amplifier 135 -22.5 - - 8.0 4100 925 3.8 7000 0.185
|