Tube-number record
RADAR CATHODE RAY TUBE
0 archive entries
RADAR CATHODE RAY TUBE is a tube type in the TubeDatabase archive (class: Display Tube). Recorded specifications: brand Ferranti, year 1961, construction Display / CRT, base Plastic/Phenolic, socket Duodecal, and maximum plate voltage 15000 V. The archive does not yet hold a photographed example of this type.
BrandFerranti
ClassDisplay Tube
BaseDuodecal
Filament6.3 V @ 300 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass, metal backed screen
Base MaterialPlastic/Phenolic
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage15000 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Radar Display | 12000 V | — | — | — | — |
Application Notes
Phosphors Type ‘H’ and ‘L’ are liable to burn if operated with a stationary or slow moving spot, even at low values of beam current. The grid should never be positive with respect to the cathode except during the period immediately after switching off, when it may be allowed to rise to +1 volt.
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