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In the present paper, the beam-wave interaction behavior in the gyro-TWT amplifier has been studied using time dependent nonlinear single-mode analysis. The time dependent equations of motion which describes the interaction of the electrons with the RF wave are solved self-consistently for the performance evaluation of a typically selected fundamental mode 35GHz gyro-TWT amplifier operating at TE01...
Vane-loaded coaxial structures have been analyzed for dispersion and interaction impedance [1-2]. However the measurement of these parameters has not been reported. A method of simulated measurements was reported [3], in which the dispersion and azimuthal interaction impedance were obtained by using 3D-simulation software as a tool for conducting simulated experiment. In the present paper the results...
Nonlinear analysis of a high-power gyro-TWT amplifier operating in TE01 mode has been investigated through particle-in-cell (PIC) simulation using CST-studio. The simulation results are validated against published results with close accuracy. The simulation predicts 150 kW output power at 34 GHz with 21% efficiency, 48 dB saturated gain and 1.3 GHz bandwidth.
Vane loaded coaxial structures have been found useful for mode rarefaction, when used in oversized, over-moded gyrotron amplifiers. Also such circuits can compensate for the gain reduction which normally occurs while broad-banding of gyro-TWTs. This magnetron like structure was analyzed for its cut-off wave numbers by various techniques. In the present paper the dispersion and interaction impedance...
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