Different units of power! - significance

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....😕

Replies

  • Ali.imran
    Ali.imran
    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
  • Daisykool8
    Daisykool8
    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?

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