Tube-number record
T970D
0 archive entries
T970D is a tube type in the TubeDatabase archive (class: Radar Cathode Ray Tube). Recorded specifications: brand English Electric Valve Co. Ltd., construction Display / CRT, base Plastic/Ceramic (Standard B12A), socket Duodecal, and maximum plate voltage 15500 V. The archive does not yet hold a photographed example of this type.
BrandEnglish Electric Valve Co. Ltd.
ClassRadar Cathode Ray Tube
BaseDuodecal
Filament6.3 V @ 300 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Base MaterialPlastic/Ceramic (Standard B12A)
SectionsSingle Gun
Filament / Heater
Heater NotesSuitable for series or parallel operation; surge heater voltage must not exceed 9.5 V r.m.s.
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Radar Display | 15000 V | — | — | — | — |
Application Notes
Stray magnetic fields should be minimised by fitting a tubular mumetal shield over the neck. Alignment can be achieved via focus coil adjustment or electromagnetic deflection coils.
Datasheets
Datasheet: T970D.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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