Tube-number record
T970D
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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
Plate Voltage15500 V
Grid 2 Voltage600 V
Grid 1 Voltage250 V
Cathode Current0.15 mA
H-C Voltage200 V
Audio Performance
Key Features
- Aluminised Screen
- 16-inch diameter
- Indirectly Heated
- Alpha-numeric character display capability
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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