Antique radios, Old Time Radios
CV313
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Country:
Great Britain (UK)
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| Identical to |
CV313
= QYS50-P40
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| Similar
Tubes |
Normally replaceable-slightly different:
VX313
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| Base |
SPECIAL TUBEBASE in general
Wires only.
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| Was used by |
Radar |
| Filament |
Vf 11.5 Volts / If 68 Ampere / Direct |
| Description |
Pulse Modulator with Silica envelope. Va<55kV, Ik<50A peak. Pa<700W. Gm=38mA/V at Ia=30A and Va=10kV. Developed by Mullard against the VX313 specification, issued as the CV313 and later the commercial valve QYS50-P40
Around 1950 three CV313 tubes in parallel were used to generate 2 MW pulses to drive the magnetron transmitter in the Naval Type 992 radar. They operated untill they were replaced by a smaller hydrogen thyratron in the sixties.
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Dimensions (WHD)
incl. pins / tip |
100 x 500 x mm / 3.94 x 19.69 x inch |
| Information source |
- - Manufacturers Literature
-- Original-techn. papers.
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CV313: Private collection
Emilio Ciardiello
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