Tube-number record
1650/03HB
0 archive entries
1650/03HB is a tube type in the TubeDatabase archive (class: Radar Display Tube). Recorded specifications: brand Ferranti, year 1958, construction Display / CRT, base Duodecal, socket Duodecal, and maximum plate voltage 18000 V. The archive does not yet hold a photographed example of this type.
BrandFerranti
ClassRadar Display Tube
BaseDuodecal
Filament6.3 V @ 300 mA
Construction
Primary TypeDisplay / CRT
Envelope6 in. diameter, 600 mm length
Base MaterialDuodecal
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Radar Display | 15000 V | — | — | — | — |
Application Notes
The screen material is liable to burn if operated with a stationary or slow moving spot. The modulator should never be positive with respect to the cathode.
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