RW 1120
0 Tubes in archive
BrandSiemens
ClassPower Traveling Wave Tube
BaseWaveguide WR 75
Filament6.3V @ 800mA
Construction
Primary TypePeriodic Permanent Magnet (PPM) Focused TWT
EnvelopeMetal Case
Base MaterialMetal
SectionsSingle
Filament / Heater
Heater NotesIndirect heating; Metal capillary dispenser cathode
Absolute Maximum Ratings
Plate Voltage3500 V
Plate Dissipation200 W
Grid 2 Voltage2000 V
Grid 1 Voltage-150 V
Cathode Current80 mA
H-C Voltage3500 V
Audio Performance
Key Features
- Conduction cooled
- Integrated periodic permanent magnet focusing
- Depressed collector operation
- Waveguide RF coupling
- Replaceable tube/magnet assembly
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| CW @ 12 GHz | 2500V | - | - | - | 60mA |
Application Notes
Designed for frequency range 10.7 to 13.2 GHz with 20W average CW power. Heater and cathode operate at approximately 3500V potential relative to ground. Protection relay for helix current required.
Showing 1 to 0 of 0 results