Tube-number record
CRYSTAL-OSCILLATOR PENTODE
0 archive entries
CRYSTAL-OSCILLATOR PENTODE is a tube type in the TubeDatabase archive (class: Pentode). Recorded specifications: brand RCA, year 1937, construction Pentode, socket 5-pin, maximum plate voltage 400 V, and maximum plate dissipation 6 W. The archive does not yet hold a photographed example of this type.
BrandRCA
ClassPentode
Base5-pin
Construction
Primary TypePentode
EnvelopeST-16
Filament / Heater
MaterialCoated
Absolute Maximum Ratings
Plate Voltage400 V
Plate Dissipation6 W
Grid 2 Voltage200 V
Grid 1 Voltage-100 V
Cathode Current30 mA
Audio Performance
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class C Telegraphy | 300 V | 2500 | — | — | 30 mA |
| Class C Telegraphy | 400 V | — | — | — | 22.5 mA |
Application Notes
Bias may also be obtained with 30000-ohm grid resistor.
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