1B26
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ClassTunable TR Tube
BaseWaveguide
Construction
Primary TypeTR Tube
EnvelopeMetal/Glass
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Grid 1 Voltage-1000 V
Cathode Current0.2 mA
Audio Performance
Key Features
- Tunable
- Confidential Security Classification (1945)
- Gas-filled
- R-F gap triggering
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Ignitor Operation | - | - | - | - | 0.1mA |
Application Notes
The two points at the center of the tube constitute an r-f gap, while the ignitor and body constitute a dc gap used to produce ionization to help trigger the r-f gap.
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