3AFP1
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BrandETEL
ClassOscilloscope Tube
BaseB9G
Filament6.3V @ 550mA
Construction
Primary TypeCathode Ray Tube
EnvelopeGlass
Base MaterialGlass
SectionsSingle
Filament / Heater
Heater NotesSuitable for parallel operation only. Cathode connected to one side of heater.
Absolute Maximum Ratings
Plate Voltage1500 V
Plate Dissipation2 W
Grid 2 Voltage500 V
Grid 1 Voltage-200 V
Audio Performance
Key Features
- High sensitivity
- Electrostatic focus
- Electrostatic deflection
- Symmetrical or asymmetrical operation
- Flat face
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operating Conditions | 1000V | - | - | - | - |
Application Notes
The arrangement of the plates is such that a positive voltage on the y' plate deflects the spot upwards and a positive voltage on the x' plate deflects the spot to the left (base key uppermost).
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