Tube-number record
RW 3
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BrandSiemens
ClassLeistungs-Wanderfeldrohre (Traveling Wave Tube)
BaseSpecial / none
Filament6.3 V @ 4150 mA
Construction
Primary TypeOther / special
EnvelopeMetal/Glass
SectionsSingle
Filament / Heater
Heater NotesIndirect heating by DC voltage, parallel supply
Absolute Maximum Ratings
Plate Voltage1550 V
Plate Dissipation70 W
Grid 2 Voltage900 V
Grid 1 Voltage-500 V
Cathode Current50 mA
Audio Performance
Key Features
- Permanent magnet focusing
- Air-cooled collector
- Waveguide coupling (R40/NR40)
- Exchangeable in magnet system Rel 148 v3
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation at 4 GHz | 1450 V | — | — | — | 40 mA |
Application Notes
The tube is used in wideband radio link systems. The collector must be cooled with 100 l/min air flow.
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