Tube-number record
CAT 30
0 archive entries
CAT 30 is a tube type in the TubeDatabase archive (class: RF Power Amplifier Triode). Recorded specifications: brand Marconi, construction Triode, socket Special / none, maximum plate voltage 20000 V, and maximum plate dissipation 75000 W. The archive does not yet hold a photographed example of this type.
BrandMarconi
ClassRF Power Amplifier Triode
BaseSpecial / none
Construction
Primary TypeTriode
EnvelopeWater-cooled Anode
Sections1
Filament / Heater
Materialthoriated tungsten
Absolute Maximum Ratings
Plate Voltage20000 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF Power Amplifier and Oscillator Class C Telegraphy | 20000 V | 24000 | 1450 | 35 | 13750 mA |
| RF Power Amplifier Class C Anode Modulated | 16000 V | 24000 | 1450 | 35 | 8500 mA |
Application Notes
The cooling system must be started before the application of any supply voltages and must continue for 15 minutes after removal. Filament current must not exceed 250A peak. Above 5 Mc/s, plate voltage must be derated according to frequency.
Datasheets
Datasheet: CAT30.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
0 results