Antique radios, Old Time Radios
4C30
| Base |
SPECIAL TUBEBASE in general
Sidecontact and top contact.
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| Was used by |
Radar |
| Filament |
Vf 5 Volts / If 4 Ampere / Direct |
| Description |
UHF transmitting triode, mu 25, 20W plate dissipation. Thoriated tungsten cathode. Used as oscillator for frequencies up to 500MHz, also in ring oscillator circuits.
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Dimensions (WHD)
incl. pins / tip |
63 x 68 x 38 mm / 2.48 x 2.68 x 1.50 inch |
| Weight |
28 g / 0.99 oz |
| Information source |
Tube Lore (I)
-- Collector info (Sammler)
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4C30: ARRL Handbook 1972
Anonymous 10 Collector
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