Tube-number record
DG 7-1
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BrandPhilips
ClassCathode Ray Tube
BaseSide-contact (P-base)
Filament4 V @ 1000 mA
Construction
Primary TypeElectrostatic-Deflection
EnvelopeGlass, 7cm screen diameter
SectionsSingle gun
Filament / Heater
Absolute Maximum Ratings
Plate Voltage800 V
Grid 2 Voltage300 V
Grid 1 Voltage-30 V
Audio Performance
Key Features
- Low operating voltage
- High sensitivity
- Electrostatic double deflection
- Internal graphite coating
- Green screen for visual comfort
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Operation 1 | 500 V | — | — | — | — |
| Operation 2 | 700 V | — | — | — | — |
Application Notes
Specifically designed for professional and amateur oscilloscope measurements and early television reception.
Datasheets
Datasheet: DG7-1.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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