ASYMMETRICAL_ACTIVE_CROSSOVER

Published:2009/6/29 23:51:00 Author:May | From:SeekIC

High-pass and low-pass active filters using National LF356 opamps are asymmetrical about 500-Hz crossover point，Sum of filter output voltages is always constant and equaltounity，Rolloff of low-pass filter is only-6 dB peroctave、as compared to-18 dB per octave for high-pass filter，-″Audio Handbook″ National semiconductor, Santa Clara,GA,1977、p 5-1-5-7.



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