Antique radios, Old Time Radios
CV172
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| Identical to |
CV172
= E1468
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| Base |
Loctal-9-Pin (B9G)
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| Was used by |
Technology / Measurement |
| Filament |
Vf 6 Volts / If 1 Ampere / Direct |
| Description |
Tungsten filament saturated diode, designed to be used as RF noise generator.
18mA mean anode current, typically at 6.25 to 6.75 V.
7V max filament voltage, resulting in a reduced life in the order of 100 hours.
During WWII this tube was appreciated as one of the best noise source. The schematic diagram of a noise generator using CV172 is even given in the volume 'Microwave Receivers' from the MIT Radiation Laboratory series.
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| Information source |
-- Original-techn. papers.
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CV172: Vacuum Tube Ampl., MIT Rad Lab V18
Emilio Ciardiello
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Just Qvigstad
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CV172: Manufacturer's Literature
Emilio Ciardiello
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Collection of
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