High-frequency heating generator comprising a non-linear resistance circuit in parallel with the control element in the cathode circuit of the electron tube oscillator.

摘要

A high-frequency heating generator, comprising an electron tube B for industrial systems ranging from several kilowatts to a number of megawatts. In similar systems a substantial amount of power is dissipated in at least one control element T comprises in the electron tube cathode circuit at the non-maximum delivered power level. To obviate this drawback, an impedance circuit ZK is connected in parallel with the control element T, which circuit dissipates part of the power to be dissipated in the cathode circuit.