Patent ID: 9207208
Filing Date: 2015-12-08
Classification: G01N,H03K

Abstract:
1. An asymmetric waveform pulse generator for transforming high voltage direct current (DC) voltage to asymmetric waveform pulse, the asymmetric waveform pulse generator comprising: a metallic oxide semiconductor field effect transistor (MOSFET) bridge circuit comprising a plurality of MOSFETs for inverting the high voltage DC voltage to the asymmetric waveform pulse; a pulse-width modulating (PWM) circuit for generating PWM signals; a plurality of isolation driving circuits corresponding to the plurality of MOSFETs, for controlling switching on/off of the plurality of MOSFETs in the MOSFET bridge circuit based on the PWM signals generated by the PWM circuit; wherein each of the isolation driving circuits comprises an isolation transformer for isolating the MOSFET bridge circuit from the PWM circuit.