Tube-number record
F 8080
0 archive entries
F 8080 is a tube type in the TubeDatabase archive (class: Scan Converter Tube (Convertisseur de balayage)). Recorded specifications: brand CSF (Compagnie Générale de Télégraphie Sans Fil) and construction Other / special. The archive does not yet hold a photographed example of this type.
BrandCSF (Compagnie Générale de Télégraphie Sans Fil)
ClassScan Converter Tube (Convertisseur de balayage)
Filament6.3 V @ 600 mA
Construction
Primary TypeOther / special
EnvelopeGlass
Sections2 guns (Inscription & Reading)
Filament / Heater
Heater NotesHeater for both guns is 6.3V, 0.6A. Inscription gun heater is isolated to 10 kV; Reading gun to 2 kV.
Absolute Maximum Ratings
Grid 1 Voltage
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Canon d'inscription (Writing Gun) | 8000 V | — | — | — | — |
| Canon de lecture (Reading Gun) | 1200 V | — | — | — | — |
Application Notes
Specifically designed for radar-to-television conversion, enabling daylight viewing and aircraft trajectory visualization through persistence.
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