Tube-number record
SC-3821
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BrandSylvania
ClassCathode Ray Tube
BaseDuodecal
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
Envelope7-inch round glass
SectionsSingle
Filament / Heater
Heater NotesHeater current range 540 to 660 mA
Absolute Maximum Ratings
Plate Voltage13200 V
Grid 2 Voltage770 V
Grid 1 Voltage-200 V
Audio Performance
Key Features
- Rear Viewing Window
- Optical projection overlay application
- High resolution electron gun
- Ion Trap Design
- Character writing deflection plates
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard | 10000 V | — | — | — | — |
Application Notes
Intended for either simultaneously photographing the electron image or for optical projection of overlay information for comparator applications.
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