Patent ID: 6304466
Filing Date: 2001-10-16
Classification: H02M

Abstract:
A power conditioner for powering microwave power amplifiers comprising:a) an input port for receiving at least one unstable high voltage DC input;b) a variable frequency invertor drive unit in electrical communication with the input port, said drive comprising a fixed pulse width modulator to generate a high voltage square-wave output frequency signal, and a frequency modulation circuit operative to frequency regulate said square-wave output signal in response to a received difference signal; andc) a series resonant circuit having a resonant frequency and in electrical communication with the invertor drive unit to receive said square-wave output frequency signal, said resonant circuit operative to compare the frequency of said square-wave output signal with said resonant frequency and to therefrom generate said difference signal communicated to said frequency modulation circuit wherein the resulting frequency regulated square-wave output signal is maintained within a predetermined offset frequency range above said resonant frequency.