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A simple planar circuit model consisting of impedance and screen electrodes is used to analyze the strength of the interaction of a sheet electron beam with the in-phase slow-wave mode of the circuit. The impedance approximation is used to represent the fields of $E$ - and $H$ -waves by the zero and ${\pm}{1}$ space harmonics. A new generalized formula for the coupling coefficient characterizing...
The model based on coupled impedance electrodes was used to analyze effectiveness of a sheet e-beam interaction with the in-phase mode of a slow wave. The coupling coefficient, characterizing the interaction effectiveness, was calculated using derivatives of the equivalent parameters, the specific capacitances and inductance. The calculated coefficient was compared with that of a cylindrical e-beam...
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