Tube-number record
TH 9895
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TH 9895 is a tube type in the TubeDatabase archive (class: Vidicon Memory Tube). Recorded specifications: brand THOMSON-CSF, construction Display / CRT, socket Subminiature, and maximum plate voltage 400 V. The archive does not yet hold a photographed example of this type.
BrandTHOMSON-CSF
ClassVidicon Memory Tube
BaseSubminiature
Filament6.3 V @ 150 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Sections1
Filament / Heater
Heater NotesTolerance +/- 10%
Absolute Maximum Ratings
Plate Voltage400 V
Grid 2 Voltage300 V
Grid 1 Voltage-100 V
Audio Performance
Key Features
- Non-destructive readout
- 1 inch diameter
- Short writing and erasing times
- High resolution (50% modulation at 600 lines)
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Effacement (Erasing) | 400 V | — | — | — | — |
| Inscription (Writing) | 60 V | — | — | — | — |
| Lecture (Reading) | 20 V | — | — | — | 0.0001 mA |
Application Notes
Particularly suited for long-duration visualization or repeated display of transient images.
Datasheets
Datasheet: TH9895.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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