Audio frequency multiplier circuit diagram

Posted on Mar 28, 2007

The circuit can be selectively tuned in two very close in tone. Selective frequency is determined by the value of the feedback circuit collector and the base of Q1 between the capacitors and resistors

Audio frequency multiplier circuit diagram
Click here to download the full size of the above Circuit.

decision. When the value is the value as shown, the frequency can be tuned around 650Hz 100 times.

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