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What is the basic difference between …

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What is the basic difference between amplitude modulation and frequency modulation

    • Posted by Parchiya Yasmin 4 years, 2 months ago

    ICSE & ISC > Class 12 > Physics
    • 1 answers

    Yogita Ingle 4 years, 2 months ago

    Amplitude Modulation (AM) Frequency Modulation (FM)
    First successful audio transmission was carried out in the mid-1870s Developed in 1930 by Edwin Armstrong, in the United States
    The radio wave is called a carrier wave and the frequency and phase remain the same The radio wave is called a carrier wave, but the amplitude and phase remain the same
    Has poor sound quality, but can transmit longer distance Has higher bandwidth with better sound quality
    The frequency range of AM radio varies from 535 to 1705 kHz The frequency range of FM is 88 to 108 MHz in the higher spectrum
    More susceptible to noise Less susceptible to noise

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