Tube-number record
12/02 HM
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BrandFERRANTI
ClassRadar Display Tube
BaseOctal
Filament4 V @ 900 mA
Construction
Primary TypeDisplay / CRT
Envelope12in diameter flat faced
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage13000 V
Grid 2 Voltage2200 V
H-C Voltage150 V
Audio Performance
Key Features
- Metal backed screen
- Long persistence fluoride screen
- Electrostatic focus
- Magnetic deflection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Radar Display | 12000 V | — | — | — | 0.05 mA |
Application Notes
The screen material is liable to burn if operated with a spot which is stationary or slow moving. The tube should not be operated under such conditions even at low beam current.
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