Tube-number record
F 8080 (TMA 406)
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BrandCSF
ClassScan Converter Tube
BaseSpecial / none
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Base MaterialMetal/Glass
SectionsTwo-gun (Inscription and Reading)
Filament / Heater
Heater NotesBoth guns (Inscription and Reading) use 6.3V / 0.6A. Inscription gun heater must be isolated to 10kV.
Absolute Maximum Ratings
Plate Voltage-8000 V
Grid 1 Voltage-100 V
Cathode Current0.25 mA
H-C Voltage10000 V
Audio Performance
Key Features
- High definition
- Fast erasure
- Wide range adjustable remanence
- Radar-to-television conversion
- Transistorized equipment compatible
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Inscription Gun | -8000 V | — | — | — | — |
| Reading Gun | -1500 V | — | — | — | 0.002 mA |
Application Notes
Used for converting radar signals to television standards, allowing bright daylight viewing and aviation trajectory visualization.
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