Frequency Modulation (FM) is a method of encoding information onto a carrier wave by varying its frequency. In FM, the amplitude and phase of the carrier signal remain constant, while the frequency changes in accordance with the amplitude of the modulating signal (the signal containing the information to be transmitted).
- Frequency Modulation (FM) encodes data on a carrier wave by altering its frequency.
- Unlike amplitude modulation (AM), FM doesn’t change the amplitude or phase.
- Instead, it adjusts the frequency in line with the modulating signal’s amplitude.
- When the modulating signal’s amplitude rises, the carrier wave’s frequency increases.
- Conversely, if the signal’s amplitude drops, the carrier frequency decreases.
- Due to this resistance, FM provides high-quality audio and data transmission.
- FM offers clearer reception and sound quality compared to AM.
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