Tube-number record
15GP22
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BrandGeneral Electric
ClassPicture Tube
BaseDiheptal
Filament6.3 V @ 1.8 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Sections3
Filament / Heater
Heater NotesHeater current tolerance is +/- 10%
Absolute Maximum Ratings
Plate Voltage20000 V
Plate Dissipation15 W
Grid 2 Voltage500 V
Grid 1 Voltage-200 V
H-C Voltage180 V
Audio Performance
Key Features
- Electrostatic Focus
- Electrostatic Convergence
- Magnetic Deflection
- Metal-backed phosphor-dot screen
- External conductive coating
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Design Example | 20000 V | — | — | — | — |
Application Notes
Capable of reproducing either full-color or black-and-white transmissions. Proper registration of the three pictures is achieved through electrostatic convergence of the beams. X-ray radiation shielding may be necessary if operated above 16,000 volts.
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