Audio Subcarrier Oscillator


Posted on Feb 7, 2014

A single IC provides all amplifiers: 74HC04 Hex Inverter ( a digital element). The 2nd oscillator synchronizes to 3 times the 1st oscillator and thereforethe FM deviation is tripled. Using the lower freq f1 oscillator also enhancesfrequency stability.


Audio Subcarrier Oscillator
Click here to download the full size of the above Circuit.




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