Tube-number record
TMA 403 X
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TMA 403 X is a tube type in the TubeDatabase archive (class: Electrostatic Memory Analyser Tube). Recorded specifications: brand CSF, construction Other / special, base Medium Shell Diheptal, socket Magnal, and maximum plate voltage 10000 V. The archive does not yet hold a photographed example of this type.
BrandCSF
ClassElectrostatic Memory Analyser Tube
BaseMagnal
Filament6.3 V @ 1000 mA
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
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Writing Gun | 10000 V | — | — | — | — |
| Reading Gun | 1500 V | — | — | — | 0.0005 mA |
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.
Datasheets
Datasheet: TMA403X.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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