Audio Subcarrier Oscillator


Posted on Feb 7, 2014    11310

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 - schematic

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