Antique radios, Old Time Radios
D-156548
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Country:
United States of America (USA)
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| Identical to |
D-156548
= 388A
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| Base |
TRANSMITTING & Power-TUBES/VALVES in gen
2 Top contacts.
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| Was used by |
Radar |
| Filament |
Vf 1.5 Volts / If 9 Ampere / Direct |
| Description |
WE developmental code, later recoded as 388A. Graphite anode for improved dissipation. Grid and anode connections from base and from the top, to be mounted in the middle of the Lecher tuning lines.
Used in the pre-war radio-altimeter 1A to generate 5 W at 750 MHz. Advertised in Electronics, Jan 1940.
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| Information source |
-- Original-techn. papers. Electronics, Jan 1940
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