AM Frequency

What is AM Frequency?

AM (Amplitude Modulation) frequency refers to the frequency range used for transmitting radio signals in the AM broadcasting system.

In North America, the standard AM frequency range is from 535 kilohertz (kHz) to 1705 kHz. AM radio works by varying the amplitude, or height, of the radio waves to carry the audio signal. The audio signal is impressed on the carrier wave by modulating its amplitude. This modulated wave is then transmitted over the airwaves at a particular frequency within the AM frequency range. To receive AM radio signals, a radio receiver must be tuned to the frequency of the desired station. The receiver includes a tuner that selects the desired frequency or station, and an antenna that receives the radio waves and converts them into an electrical signal that can be amplified and played through a speaker. While AM radio has been largely supplanted by FM and digital radio in many parts of the world, it is still widely used for talk radio and news broadcasts. AM radio signals can travel longer distances than FM signals, making them useful for broadcasting to remote or rural areas.

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