WL-7228
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BrandWestinghouse
ClassDirect View Storage Tube
Filament6.3V @ 600mA
Construction
Primary TypeStorage Tube
Envelope5-inch glass bulb
Sections2 writing/erasure guns, 1 flood gun
Filament / Heater
Heater NotesSeparate heater sections for writing, erase, and viewing sections, all 6.3V.
Absolute Maximum Ratings
Plate Voltage16000 V
Audio Performance
Key Features
- Selective grid erasure
- Half-tone display capability
- High brightness output
- Electrostatic focus and deflection
- Unpressurized airborne operation
- Radial deflection leads
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Writing Gun (Recommended) | 1500V | - | - | - | - |
| Selective Erasure Mode | 3000V | - | - | - | - |
Application Notes
Developed for bright displays free of scintillations. Used in fire control radar, weather radar, transient studies, data transmission, and visual displays requiring steady, narrow bandwidth transmission over telephone lines.
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