TH 3521
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BrandTHOMSON-CSF
ClassTraveling Wave Tube
BaseSMA connectors
Filament5.5V @ 400mA
Construction
Primary TypeTraveling Wave Tube
EnvelopeMetal/Conduction Cooled
Base MaterialBaseplate for conduction cooling
SectionsSingle
Filament / Heater
MaterialImpregnated-tungsten cathode
Warm-up Time180s
Heater NotesSurge current 1 A max
Absolute Maximum Ratings
Plate Voltage2000 V
Plate Dissipation90 W
Grid 2 Voltage4000 V
Grid 1 Voltage1400 V
Cathode Current50 mA
Audio Performance
Power Output20 W
Key Features
- PPM-focused
- Conduction cooled
- Long-life space-TWT technology
- Flat gain/frequency curve
- Low AM/PM conversion
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| 11.2 GHz Link Operation | 1750V | - | - | 40 | 35mA |
Application Notes
Designed for advanced line-of-sight microwave links carrying up to 1800 telephone channels or high bit-rate data.
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