Talk:AM Radio

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AM Radio

The expansion for AM is Amplitude Modulation. The voice frequeny lies between 1 KHz and 4 KHz. The voice can be heard only upto certain metres and beyond that the voice frequency is not heard. To carry the voice frequency to more distance, it is been mixed with higher frequencies say for example 800 Khz, this process is called modulation. The higher frequency is called as Carrier frequency.

Mixing up humanly audible frequency range ( 20 Hz to 20 Khz) with higher frequency can be done in many ways, one of the way of doing it is modulating the Amplitude of the carrier frequency is called Amplitude Modulation. The radio broadcasted using this techonlogy is called AM Radio.

See Amplitude modulation :) Mrtea (talk) 06:48, 31 December 2005 (UTC)[reply]