Tube-number record
3E01
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3E01 is a tube type in the TubeDatabase archive (class: Oscilloscope Tube). Recorded specifications: construction Display / CRT, socket CRT base (B12 family), and maximum plate voltage 2500 V. The archive does not yet hold a photographed example of this type.
ClassOscilloscope Tube
BaseCRT base (B12 family)
Filament4 V @ 1000 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage2500 V
Audio Performance
Key Features
- Electrostatic Focus
- Electrostatic Deflection
- Post Deflector Accelerator
- Long Persistence Orange Screen
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| High Voltage Operation | 2000 V | — | — | — | — |
| Low Voltage Operation | 1300 V | — | — | — | — |
Application Notes
The undeflected focused spot will fall within a circle having a 7 mm radius concentric with the centre of the tube face.
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