Tube-number record
1 DH 3
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BrandPhilips
ClassCathode Ray Tube
Filament2 V @ — mA
Construction
Primary TypeOscillograph Tube
EnvelopeGlass
SectionsSingle gun
Filament / Heater
Heater NotesIndirectly heated cathode mentioned as 2-volt-katode
Absolute Maximum Ratings
Plate Voltage500 V
Grid 2 Voltage500 V
Audio Performance
Key Features
- Fixed focus (focus voltage equals cathode voltage)
- Electrostatic deflection
- Internal centering plates
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard Operation | 500 V | — | — | — | 0.004 mA |
Application Notes
Developmental oscillograph tube designed to meet 1CP31/CV2302 specifications.
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