21/04HB
0 Tubes in archive
BrandFERRANTI
ClassRadar Display Tube
BaseB12A (Duodecal)
Filament6.3V @ 300mA
Construction
Primary TypeRectangular CRT
EnvelopeMetal backed
Base MaterialBI2A
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage18000 V
Grid 2 Voltage500 V
Grid 1 Voltage-80 V
H-C Voltage200 V
Audio Performance
Key Features
- Metal backed screen
- External conductive coating
- 90° Deflection
- Magnetic Focus
- Magnetic Deflection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Radar Display | 16000V | - | - | - | - |
Application Notes
Designed primarily for use as a Radar Display Tube. The tube has an external conductive coating which may be used for E.H.T. smoothing. Ion trap magnet is not required.
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