Tube-number record
DG9-4
0 archive entries
BrandPhilips
ClassElectron-ray tube
Filament4 V @ 1 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage1000 V
Grid 2 Voltage400 V
Grid 1 Voltage-40 V
Audio Performance
Key Features
- High deflection sensitivity
- Very clear spot
- Very bright trace
- Convenient size
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard Operation | 1000 V | — | — | — | — |
Application Notes
The screen diameter of the DG 9-4 is 10 centimetres; thus the tube is not too large for use in portable oscillographs. The beam is focused by electrostatic means using an electron lens comprising several potential drops.
Datasheets
Datasheet: DG9-4.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
0 results