Different units of power! - significance

Daisykool8

Daisykool8

@daisykool8-Rqlf0k • Oct 26, 2024
Why is power measured in decibels in Rf and Microwave communication and not in terms of Kwh or watt....??? please do give your reasons friends....😕
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  • Ali.imran

    Ali.imran

    @aliimran-Az5b1w • Jul 22, 2012

    power is in watt but decibel is logarithmic unit and indicates a ratio.
    log10(p1/p2)=db
    as you can see units of power cancel each other. this ratio gives gain and magnitude is given in some units so db
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  • Daisykool8

    Daisykool8

    @daisykool8-Rqlf0k • Jul 24, 2012

    hmmm... dats ok.... thank u.... But do u mean to say that only ratio of power values are used in rf and microwave engineering....??!! if so, why?
    0