T922
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BrandEnglish Electric Valve Co. Ltd.
ClassCathode Ray Tube
BaseInternational Octal
Filament4V @ 1100mA
Construction
Primary TypeCRT
Envelope12 inch diameter glass
Base MaterialPlastic/Bakelite
SectionsSingle
Filament / Heater
Heater NotesIndirectly Heated, Oxide Coated
Absolute Maximum Ratings
Plate Voltage13000 V
Grid 2 Voltage2150 V
Grid 1 Voltage-200 V
H-C Voltage125 V
Audio Performance
Key Features
- Electrostatic focus
- Magnetic deflection
- Aluminium backed screen
- Orange afterglow persistence
- Radar display tube
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Radar Applications | 12000V | - | - | - | - |
Application Notes
The fluoride screen is sensitive to burn and should not be operated with slow moving spots. Anode 1 must be at least 50 volts positive with respect to anode 2.
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