D14-240GH/37
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ClassInstrument Cathode-Ray Tube
Base14-pin all-glass
Filament6.3V @ 300mA
Construction
Primary TypeInstrument CRT
Envelope14 cm diagonal rectangular flat-faced
Base MaterialGlass
SectionsSectioned y-plates
Filament / Heater
Heater NotesIndirect heating; a.c. or d.c.; parallel supply
Absolute Maximum Ratings
Plate Voltage22000 V
Grid 2 Voltage2200 V
Grid 1 Voltage-200 V
H-C Voltage125 V
Audio Performance
Key Features
- Domed post-deflection acceleration mesh
- Metal-backed screen
- Internal graticule
- Double electrostatic deflection
- Electrostatic focusing
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation | 20000V | - | - | - | 0.01mA |
Application Notes
The tube should not be supported by the base alone. If full deflection capabilities are used, the deflection plates will intercept part of the beam, necessitating a low impedance drive.
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