4BP15
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BrandPhilco Corporation
ClassCathode-Ray Tube
BaseMedium long-shell octal
Filament6.3V @ 600mA
Construction
Primary TypeFlying-spot scanner
EnvelopeGlass
Sections1
Filament / Heater
Heater NotesAC/DC Operation
Absolute Maximum Ratings
Plate Voltage25000 V
Grid 2 Voltage25000 V
Grid 1 Voltage-350 V
H-C Voltage175 V
Audio Performance
Key Features
- Extremely uniform phosphor screen
- Face plate optical quality
- 20 inch radius of curvature
- External conductive coating on neck
- External insulating coating on bulb cone
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Flying-spot scanner | 25000V | - | - | - | 0.15mA |
Application Notes
Intended primarily for use as the scanner in a flying-spot video-signal generator.
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