Tube-number record
TH 8902
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TH 8902 is a tube type in the TubeDatabase archive (class: Storage Oscilloscope Tube). Recorded specifications: brand Thomson-CSF, construction Display / CRT, socket Diheptal, and maximum plate voltage 8000 V. The archive does not yet hold a photographed example of this type.
BrandThomson-CSF
ClassStorage Oscilloscope Tube
BaseDiheptal
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeRectangular flat faceplate
SectionsDual Flood Guns and 100 MHz Writing Gun
Filament / Heater
Heater NotesSeparate heater for writing gun and flood guns; flood guns consume 2 x 300 mA.
Absolute Maximum Ratings
Plate Voltage
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Writing Gun | 7000 V | — | — | — | 3.5 mA |
Application Notes
The TH 8902 is designed for high-frequency storage oscilloscope applications. It includes an internal illuminable graticule and supports variable persistence and long-term retention modes.
Datasheets
Datasheet: TH8902.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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