Tube-number record
DG 9-3
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DG 9-3 is a tube type in the TubeDatabase archive (class: Cathode Ray Tube). Recorded specifications: brand Philips, construction Display / CRT, socket Special / none, and maximum plate voltage 1200 V. The archive does not yet hold a photographed example of this type.
BrandPhilips
ClassCathode Ray Tube
BaseSpecial / none
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesIndirect by A.C.
Absolute Maximum Ratings
Plate Voltage1200 V
Grid 2 Voltage500 V
Grid 1 Voltage-200 V
Audio Performance
Key Features
- Electrostatic focusing
- Double electrostatic deflection
- High vacuum
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Oscillography | 1000 V | — | — | — | — |
Application Notes
Used for oscillography. D2' has to be connected to a2 (anode 2).
Datasheets
Datasheet: DG9-3.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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