Tube-number record
GAS NOISE SOURCE
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BrandBendix
ClassGas and Special Tubes
BaseSpecial / none
Construction
Primary TypeOther / special
EnvelopeLow loss 707 glass
Base MaterialBrass Contact
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Dissipation15 W
Cathode Current200 mA
Audio Performance
Key Features
- Untuned termination
- Low loss 707 glass
- Pure inert gas
- Zero warm-up time
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Discharge | 75 V | — | — | — | 200 mA |
Application Notes
Designed for use as a noise source in SHF measurements with RG-91/U waveguide. Filament is used for preheating/starting and maintained by tube current once discharge is established.
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