4D32
Beam Power Pentode
Characteristics
Heater or Filament Voltage . 6.3 volts
Heater or Filament Current . 3.75 amperes
EIA Base . . . . . . . . . . F26
Prefered Substitutes . . . . None
Substitutes. . . . . . . . . None
For Characteristics and Typical Operation, See 4D22
Capacitances and Design Maximum Values
Section. . . . . . . . . Pentode
Cin. . . . . . . . . . . . 28 pf
Cout . . . . . . . . . . . 13 pf
Cgp. . . . . . . . . . . . 0.27 pf
Plate Dissipation. . . . . 50 watts
Screen Dissipation . . . . 14 watts
Maximum Plate Voltage. . . 750 volts
Maximum Screen Voltage . . 350 volts
Full Frequency . . . . . . 60 MHz
4D22
Beam Power Pentode
Characteristics
Heater or Filament Voltage . 12.6/25.2 volts
Heater or Filament Current . 1.6/0.8 amperes
EIA Base . . . . . . . . . . F26
Prefered Substitutes . . . . None
Substitutes. . . . . . . . . None
Capacitances and Design Maximum Values
Section. . . . . . . . . Pentode
Cin. . . . . . . . . . . . 28 pf
Cout . . . . . . . . . . . 13 pf
Cgp. . . . . . . . . . . . 0.27 pf
Plate Dissipation. . . . . 50 watts
Screen Dissipation . . . . 14 watts
Maximum Plate Voltage. . . 750 volts
Maximum Screen Voltage . . 350 volts
Full Frequency . . . . . . 60 MHz
Typical Operation
as a Transmitting Tube
Class of Service Vp Vs Vsup Vg Ip
Is Ig Drive Zl Po
Class C Amp 750 300 - -100 240
26 12 1.5 - 135
Class C Amp 600 300 - -100 215
30 10 1.25 - 100
Class C Mod Amp (Plate) 600 - - -100 220
28 10 1.25 - 100
Class C Mod Amp (Plate) 550 - - -100 175
17 6 0.6 - 70
PP Class AB2 Amp 600 250 - -25 100
26 - 0.45 3K 125
