Video encyclopedia

26/12/1933 FM radio


AM and FM Radio As Fast As Possible


How AM and FM Works


Frequency Modulation tutorial & FM radio transmitter circuit


Electronics Facts : How Does an FM Radio Work?

FM broadcasting is a method of radio broadcasting using frequency modulation (FM) technology. Invented in 1933 by American engineer Edwin Armstrong, wide-band FM is used worldwide to provide high-fidelity sound over broadcast radio. FM broadcasting is capable of better sound quality than AM broadcasting, the chief competing radio broadcasting technology, so it is used for most music broadcasts. One exception is when wideband AM is used, in which case it can offer just as good of sound quality, provided the signal quality is sufficient. FM radio stations use the VHF frequencies. The term "FM band" describes the frequency band in a given country which is dedicated to FM broadcasting.
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