Analog Modulation - AM | FM | PM

Amplitude Modulation (AM) encodes information by varying the amplitude of a carrier wave, making it simpler and widely used in radio broadcasting. However, AM is more susceptible to noise, which can affect sound quality.

Frequency Modulation (FM) encodes information by varying the frequency of the carrier wave. FM provides superior sound quality and better resistance to noise, making it ideal for music and high-fidelity audio transmissions.

Phase Modulation (PM) encodes information by varying the phase of the carrier wave. PM is closely related to FM and is often used in digital signal processing and communication systems. It offers good noise resistance and is commonly used in applications like digital radio and satellite communications.