Second order active low-pass filter circuit

Published:2011/6/10 7:14:00 Author:chopper | Keyword: Second order, active low-pass filter | From:SeekIC

Quality factor indicates the state of bandpass filter. General requirement Q = 0.707.Then,we can get the following formula: Cut-off frequency w0 =w =1/RC,that is:f =1/2pRC



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