Antique radios, Old Time Radios
1B31
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| Tube type: |
SPECIAL TUBE, other or unknown |
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| Identical to |
1B31
= 1391XK
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| Filament |
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| Description |
Argon-Hydrogen filled spark gap, for use as airborne radar modulator. Large 4" glass body with end caps of different diameters. Aluminum cathode.
4KV firing voltage, 30 to 300A peak, 150mA average, 2000pps max.
Sibley reports 10 September 1948 as registration date, but complete data of this tube were already given in the Pulse Generators book, MIT series, edited in 1947.
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Dimensions (WHD)
incl. pins / tip |
x x 102 mm / x x 4.02 inch |
| Information source |
Tube Lore (I)
-- Original-techn. papers. Glasoe & Lebaqz, Pulse Generators
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1B31: Manufacturer's Literature
Emilio Ciardiello
More ...
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