Radios antiguas y Radios de Colección
4W20000A
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País:
Estados Unidos
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| Idéntica a |
4W20000A
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| Base |
COAXIAL in general (X..)
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| Filamento |
Vf 10 Volt / If 30 Ampere |
| Descripción |
VHF beam tetrode, water cooled via integral cooler. Bombardment cathode with filament preheating, 10V at 30A, and bombardment emission at 1650V, 1.8A anode. Intended for VHF television transmitters; 25KW peak out through Ch. 13, 220MHz.
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| Literatura |
-- Original prospect or advert Electronics, Sep. 1953
Tube Lore (I)
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