Tube-number record
GL-5820
0 archive entries
GL-5820 is a tube type in the TubeDatabase archive (class: Image Orthicon Camera Tube). Recorded specifications: brand General Electric, construction Display / CRT, socket Diheptal, and maximum plate voltage 1350 V. The archive does not yet hold a photographed example of this type.
BrandGeneral Electric
ClassImage Orthicon Camera Tube
BaseDiheptal
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
SectionsPhotocathode, Image section, Target, Multiplier section
Filament / Heater
Heater NotesUnipotential Cathode
Absolute Maximum Ratings
Plate Voltage1350 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation | 1250 V | — | — | — | 0.03 mA |
Application Notes
The GL-5820 portrays colors in nearly their true tonal gradation by preventing color-masking by infrared. Commercially acceptable pictures can be obtained at levels as low as 1 foot-candle.
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