Radios antiguas y Radios de Colección
C-100D
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País:
Estados Unidos
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| Idéntica a |
C-100D
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| Válvulas similares |
Heater different:
C-100E
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| Válvulas Predecesoras |
C-100A
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| Base |
6-Pin-Base U6A, old, USA
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| Usada en |
Transmittertube (Radio) |
| Filamento |
Vf 2.5 Volt / If 2.25 Ampere / Direct / Specified voltage AND current AC/DC |
| Descripción |
Negative resistance oscillator tube specifically developed for Collins by Amperex, to avoid to be sued for patent infringement by RCA, AT&T, Westinghouse and the other owners of the rights for the De Forest triode oscillator circuit. The tube was intended for use in crystal controlled transmitters.
It derived from C-100A, with a different internal structure for better sensitivity. The negative electrode, equivalent to the grid, surrounds a finned positive electrode.
Very few tubes were made before the settlement with RCA and the subsequent use of a 6L6 as conventional oscillator.
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| Literatura |
-- Original-techn. papers.
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C-100D: Manufacturer's Literature
Emilio Ciardiello
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Just Qvigstad
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Número de
modelos en Radiomuseum.org con esta
válvula:1
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