Tube-number record
TH 3517
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BrandThomson-CSF
ClassTraveling-Wave Tube (TWT)
BaseWaveguide
Filament5.9 V @ 3.5 mA
Construction
Primary TypeCoupled Cavity
EnvelopeForced-air cooled
Base MaterialMetal-ceramic
SectionsHigh-power
Filament / Heater
MaterialDispenser-type impregnated tungsten
Warm-up Time4s
Heater NotesFilament voltage can be reduced during standby to prolong life.
Absolute Maximum Ratings
Plate Voltage16000 V
Plate Dissipation10000 W
Grid 2 Voltage8700 V
Cathode Current900 mA
Audio Performance
Key Features
- Forced-air cooling
- Integral ion pump
- Coupled-cavity structure
- Dispenser-type cathode
- Factory-adjusted focusing electromagnet
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Single-carrier | 13000 V | — | — | — | 850 mA |
Application Notes
Designed for advanced satellite-communications earth station uplinks. Low distortion for simultaneous transmission of multiple telephone carriers.
Datasheets
Datasheet: TH3517.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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