Tube-number record
M7880
0 archive entries
M7880 is a tube type in the TubeDatabase archive (class: High-Power Traveling-Wave Tube). Recorded specifications: brand Toshiba and construction Other / special. The archive does not yet hold a photographed example of this type.
BrandToshiba
ClassHigh-Power Traveling-Wave Tube
Construction
Primary TypeOther / special
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Audio Performance
Key Features
- AM-PM conversion minimized
- Intermodulation minimized
- Stable operation over wide bandwidth
- Low intermodulation (-25 dB with two 1-kW carriers)
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| CW Transmission | 19000 V | — | — | — | 3000 mA |
Application Notes
Developed for satellite communications earth stations (Ibaraki and Yamaguchi Earth Stations of KDD). No need for crowbar circuit due to sturdy construction.
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