A radar power supply without a voltage droop

A new principle of a fine regulation applied on the high voltage line supplying a pulsed load (radartube) is presented. The high voltage power supply system is a combination of a single series resonant converter and an efficient capacitor multiplier in the output stages. The electronic powerconversion system is using a Schwarz converter employing a series resonant circuit for transfer and control of power. An internal frequency of 35 kHz enhances the power density of the converter model. This model provides 16 kV for the helix-cathode circuit of a klystron with an accuracy of 0,5 ??/oo (per mille) and 11 kV for the collector-cathode circuit with an accuracy of 5%. The presentation is supported by experimentally acquired data. The improved high voltage power supply should lessen the problems associated with high voltage transformers and the high accuracy required for the voltage control for the helix-cathode circuit to avoid the distorsion in the returning signal of a space borne radar system.