PLL FM Transmitter using LMX1601 ATtiny2313 AT90S2313

Here`s a PLL FM Transmitter using LMX1601, ATtiny2313 or AT90S2313 microcontrollers. The common characteristic of all of the previous low power FM transmitters I`ve built over the decades, is that their operating frequency is determined by an LC resonant circuit. Some of them had excellent stability, some of them didn`t, but I had always wanted to make one..

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