Tube-number record
RW 89D
0 archive entries
RW 89D is a tube type in the TubeDatabase archive (class: Traveling Wave Tube Amplifier). Recorded specifications: brand Siemens and construction Other / special. The archive does not yet hold a photographed example of this type.
BrandSiemens
ClassTraveling Wave Tube Amplifier
Construction
Primary TypeOther / special
EnvelopeMetal-Ceramic
Filament / Heater
Absolute Maximum Ratings
Audio Performance
Key Features
- High linearity
- PPM focusing
- Samarium cobalt magnets
- Long-term stability
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| A/FM Radio Link | — | — | — | 40 | — |
| D/8 PSK Digital | — | — | — | 46 | — |
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