Linear theory of a wide-band gyro-TWT amplifier using spiral waveguide

A novel electrodynamic system to realize high efficiency and a broad frequency band in a gyro-TWT amplifier at millimeter and microwave frequencies is described. A cylindrical waveguide having a helically grooved wall selectively couples an electromagnetic waveguide mode at a frequency close to cuto...

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Veröffentlicht in:	IEEE transactions on plasma science 1998-06, Vol.26 (3), p.519-530
Hauptverfasser:	Cooke, S.J., Denisov, G.G.
Format:	Artikel
Sprache:	eng
Schlagworte:	Bandwidth Broadband amplifiers Cutoff frequency Electrodynamics Electromagnetic coupling Electromagnetic scattering Electromagnetic waveguides Microwave amplifiers Microwave frequencies Spirals
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