Antique radios, Old Time Radios
VT114
| Was used by |
Radar |
| Filament |
Vf 10 Volts / If 70 Ampere / Direct |
| Description |
Power demountable tetrode introduced by GEC to replace the NT60 silica valve in high-power radar transmitters. Used in the MetVick CH radar transmitters among the others.
- 200W average plate dissipation with forced-air cooling
- 28kV plate voltage
- Thoriated tungsten filament giving 70A min emission under pulsed operation
- About 400 kW peak power from a pair driven by NT57
- 60MHz max frequency
- Full production from 1940
Text in other
languages (may
differ)
|
| Information source |
-- Original-techn. papers.
-- Original prospect or advert Callick, Metres to Microwaves, pgs. 36, 37
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Collection of
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