标签：电路图讲解,电路图练习,http://www.5idzw.com
Audio Notch Filter,http://www.5idzw.com
At first glance this circuit looks fairly complex, but when broken down,can be divided into high pass and low pass filter sections followed by a summing amplifier with a gain of around 20 times. Supply rail voltage is +/- 9V DC. The controls may also be adjusted for use as a band stop (notch) filter or band pass filter.
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