How Do FM Radios Work?
What is FM? FM radio, one of the cultural explosion elements of the 1960s, came into its prominence in the 1970s. FM stands for frequency modulation, which described how the signal you receive in your radio is sent to your radio and translated into the sounds you listen to. The FM transmitter generates what’s known as a carrier wave, which is a constantly transmitted signal FM radios are designed to seek. The carrier wave, when the baseband signal is added to it, modulates (changes) the frequency of the carrier wave to the frequency licensed to the station. This is also the way FM is sent via the FM transmitter you use to send your iPod audio to your car radio. How FM is Received An FM radio is designed to receive the modulated signal at the proper frequency in order to give you the audio of the station you are listening to. FM radios are included in a wide number of electronic devices today and all work the same way, though the elements that make it happen vary. The signal from an FM
