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701A

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ID = 35435
       
Country:
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Tube type:  Transmitting Tetrode, air cooled 
Identical to 701A = CV677
Successor Tubes 715A   426XQ  

Base TRANSMITTING & Power-TUBES/VALVES in gen Top contact with a cap.
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

 
Information source Tube Lore (I)   
-- Original-techn. papers.   BSTJ

701a_data_1.png
701A: Bell System Technical journal october 1947
Patrice Zeissloff

Collection of

 
701a_b.jpg

701A
 

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