TMA 403 X
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BrandCSF
ClassElectrostatic Memory Analyser Tube
BaseMagnal
Filament6.3V @ 1000mA
Construction
Primary TypeOther / special
EnvelopeGlass
Base MaterialMedium Shell Diheptal
SectionsDual Gun (Writing and Reading)
Filament / Heater
Heater NotesBoth guns have identical heater ratings
Absolute Maximum Ratings
Plate Voltage10000 V
Grid 2 Voltage500 V
Grid 1 Voltage-60 V
Audio Performance
Power Output0.001 W
Key Features
- Simultaneous reading and writing
- Flexible scanning order
- High target capacity
- Adjustable remanence
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Writing Gun | 10000V | - | - | - | - |
| Reading Gun | 1500V | - | - | - | 0.0005mA |
Application Notes
The input signal is applied to the writing gun electrode; the spot must never remain stationary to avoid target damage. The output signal current is approximately 0.5 microamps.
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