I am working on a circuit to take the place of the transmitter side of a IR Microphone system that operates using Frequency modulation at 2.08MHz and I have run into some roadblocks. The receiver wants a pilot tone of 32.768KHz and a carrier frequency of 2.08MHz along with the audio signal. I have …

Frequency Modulation Using Arduino

MarkT February 25, 2018, 8:36pm 2

You need an RF FM transmitter circuit, not an Arduino, which is a microcontroller.

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