600_Hz_NOTCH

Published:2009/7/2 21:10:00 Author:May | From:SeekIC

With values obtained from design equations and graph in article, state-variable or universal filter provides a of 100 with four opamps. Notch filter is achieved by adding low-pass and high-pass outputs equally, for feed to dual-input summing amplifier.M.Berlin, The State-Variable Filter,QST, April 1978, p 14-16.



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