90EG4F
0 Tubes in archive
ClassOscilloscope Tube
BaseB.12.D
Filament4V @ 1000mA
Construction
Primary TypeCathode Ray Tube
EnvelopeGlass
SectionsSingle
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
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Condition 1 | 4000V | - | - | - | - |
| Condition 2 | 2000V | - | - | - | - |
Application Notes
The undeflected focused spot will fall within a circle having a 6 mm radius concentric with the centre of the tube face.
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