Tube-number record
GAS-FILLED NOISE SOURCE TUBE
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BrandCompagnie générale de télégraphie Sans Fil (CSF)
ClassMicrowave Tube
BaseMiniature 7-pin (B7G)
Construction
Primary TypeOther / special
EnvelopeGlass
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage130 V
Plate Dissipation20.8 W
Cathode Current160 mA
Audio Performance
Key Features
- Microwave noise source
- Neon and Krypton gas mix
- Ambient temperature independent noise level
- Transparent when extinguished
- Mountable in waveguide
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Noise Source Operation | 130 V | — | — | — | 160 mA |
Application Notes
The tube is placed in a rectangular guide in the electric field plane, inclined at 7 degrees to the axis of the guide. A series resistor is required to limit discharge current.
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