Tube-number record
HF-100
0 archive entries
HF-100 is a tube type in the TubeDatabase archive (class: Transmitting Triode). Recorded specifications: brand Amperex, construction Triode, base Ceramic, socket 4-pin, maximum plate voltage 1800 V, and maximum plate dissipation 75 W. The archive does not yet hold a photographed example of this type.
BrandAmperex
ClassTransmitting Triode
Base4-pin
Construction
Primary TypeTriode
EnvelopeGlass
Base MaterialCeramic
SectionsSingle
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class B Audio Amplifier (Two Tubes) | 1500 V | — | 4000 | — | 270 mA |
| R.F. Power Amplifier Class C Telegraphy | 1500 V | 4200 | — | 23 | 150 mA |
| Plate Modulated R.F. Power Amplifier Class C | 1250 V | — | — | — |
Application Notes
The HF-100 is designed for use as an R.F. Power Amplifier, Oscillator, or Class B Audio Amplifier/Modulator. Mounting should be vertical (base up or down) or horizontal with the plane of electrodes vertical.
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