1650/03HB
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BrandFerranti
ClassRadar Display Tube
BaseB12A (Duodecal)
Filament6.3V @ 300mA
Construction
Primary TypeCRT
Envelope6 in. diameter, 600 mm length
Base MaterialDuodecal
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage18000 V
Grid 2 Voltage500 V
Grid 1 Voltage-100 V
H-C Voltage200 V
Audio Performance
Key Features
- Metal backed screen
- External conductive coating for E.H.T. smoothing
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Radar Display | 15000V | - | - | - | - |
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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