Notch Filter을 활용한 3차 고조파 성분 제거회로

I will provide a circuit that serves that will eliminate such interference. In this paper, the present invention relates to circuits that will remove the third harmonic component through a circuit applying the Notch filter. Was implemented by connecting to one of the two circuits of the Upper Band and Lower Band. And verified the results by the simulation of cancellation circuit to the simulation of each part of the Upper and Lower each part through the Simulation of Feedforward circuit using OP-Amp and Coupler.