Tube-number record
CATHODE-RAY TUBE
0 archive entries
CATHODE-RAY TUBE is a tube type in the TubeDatabase archive (class: Picture Tube). Recorded specifications: brand General Electric, year 1955, construction Display / CRT, socket Duodecal, and maximum plate voltage 18000 V. The archive does not yet hold a photographed example of this type.
BrandGeneral Electric
ClassPicture Tube
BaseDuodecal
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage18000 V
Grid 2 Voltage500 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Television Receiver | 16000 V | — | — | — | — |
Application Notes
The 21BDP4 is a rectangular all-glass picture tube providing a 19 1/4 by 15-inch picture for direct-view television reception.
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