Tube-number record
DG3-1
0 archive entries
DG3-1 is a tube type in the TubeDatabase archive (class: Cathode Ray Tube). Recorded specifications: construction Display / CRT and maximum plate voltage 800 V. The archive does not yet hold a photographed example of this type.
ClassCathode Ray Tube
Filament6.3 V @ 630 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Sections1-inch Screen
Filament / Heater
Absolute Maximum Ratings
Plate Voltage800 V
Grid 2 Voltage150 V
Audio Performance
Key Features
- 1-inch screen
- Double Electrostatic Deflection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Oscillographic | 500 V | — | — | — | — |
Application Notes
The Grid Voltage should be adjusted to give the required light intensity. The voltage should never become positive or damage to the tube will result. At Va2 = 250V sensitivity is doubled.
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