90EB4F
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ClassOscilloscope Tube
Base12-pin
Filament4V @ 1000mA
Construction
Primary TypeCathode Ray Tube
EnvelopeFlat Faced Bulb
Filament / Heater
Heater Notesa.c. or d.c.
Absolute Maximum Ratings
Plate Voltage5000 V
Audio Performance
Key Features
- Flat faced bulb
- Electrostatic focus
- Electrostatic deflection
- Internal conductive coating
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Condition 1 | 4000V | - | - | - | - |
| Condition 2 | 2000V | - | - | - | - |
Application Notes
The angle between X and Y traces is 90° ± 3°. Undeflected focused spot falls within a 6mm radius circle from the center.
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