Tube-number record
PC 3/1000
0 archive entries
PC 3/1000 is a tube type in the TubeDatabase archive (class: Transmitting Pentode). Recorded specifications: brand Philips, construction Pentode, maximum plate voltage 3000 V, and maximum plate dissipation 600 W. The archive does not yet hold a photographed example of this type.
BrandPhilips
ClassTransmitting Pentode
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialOxide-coated
Absolute Maximum Ratings
Plate Voltage3000 V
Plate Dissipation600 W
Grid 2 Voltage1000 V
Audio Performance
Power Output1100 W
Key Features
- Low control power
- No neutralization required
- High efficiency
- Secondary emission suppression
- Stable screen grid current
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF Amplifier | 2000 V | 6000 | — | 4.5 | 350 mA |
Application Notes
Can be used down to 15m wavelength if plate voltage is reduced to 2500V. For wavelengths above 100m, plate voltage can reach 3000V. Modulation can be applied to the suppressor grid (Fanggitter).
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