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THOMSON-CSF F4029E Carcinotron "O"
Tube à ondes régressives
Backward Wave Oscillator
Rückwärtswellenröhre

"Carcinotron" was the trade name for backward wave oscillator tubes manufactured by THOMSON-CSF (now Thales), named after the crayfish (Greek karkunos), which swims backwards.
Here is the type F4029E, mounted on four VIBRACHOC antivibration systems.
Frequency: 2 to 4 GHz.

 

THOMSON-CSF F4029E

THOMSON-CSF F4029E

Close-ups of the vacuum tube mounted inside the ring magnet:

THOMSON-CSF F4029E

THOMSON-CSF F4029E

THOMSON-CSF F4029E

THOMSON-CSF F4029E

THOMSON-CSF F4029E

 


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