Antique radios, Old Time Radios
701A
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Country:
United States of America (USA)
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| Identical to |
701A
= CV677
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Successor Tubes
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715A
426XQ
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| Base |
TRANSMITTING & Power-TUBES/VALVES in gen
Top contact with a cap.
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| Was used by |
Radar |
| Filament |
Vf 8 Volts / If 7.5 Ampere / Indirect |
| Description |
Power tetrode intended as radar modulator to drive the 700A to D magnetron family. Glass bulb, reduced height WE 357A, containing four electrode sets of 350A, with common molibdenum anode; gold plated control and screen grids. Four pin base. 12.5KV, 10A pulse, 100W average plate power.
Two 701As in parallel were used to generate 12 ampere pulses at 10 kV, 4 µs wide, 1600 pps
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| Information source |
Tube Lore (I)
-- Original-techn. papers. BSTJ
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701A: Bell System Technical journal october 1947
Patrice Zeissloff
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Collection of
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