I recently got my technician license for operating HAM radios, so I decided to blog about amplitude modulation. Amplitude modulation consists of two oscillators, a carrier and a modulator. From our previous exercises, we learned that an oscillator generates a tone. However in amplitude modulation, the carrier could also be another type of signal, such as an instrument or vocal input.
The modulator oscillator controls the gain of the carrier signal. Below is a video created by a radio teacher to help visualize this concept. It helped me understand how data can travel on a specific signal.
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