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For questions relating to frequency modulation (FM). This is a scheme where a carrier is modulated by varying its frequency to carry information.

5 votes
4 answers
7k views

Does this simple RF transmitter circuit actually work?

I've come across this circuit a few times while searching for simple transmitter circuits, and decided to try it. According to this site, it should be transmitting at around 90Mhz. http://www.talk …
2 votes
2 answers
238 views

What's the next logical step in applying input to this FM transmitter circuit?

Last year, I posted this question about a very simple RF transmitter circuit: Does this simple RF transmitter circuit actually work? I built it myself, and actually remade it after I posted an answer …