CrazyEngineers
CrazyEngineers

  • Different units of power! - significance

    Daisykool8

    Member

    Updated: Oct 26, 2024
    Views: 979
    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....😕
    0
    Replies
Howdy guest!
Dear guest, you must be logged-in to participate on CrazyEngineers. We would love to have you as a member of our community. Consider creating an account or login.
Replies

  • Ali.imran

    Member • 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
    Are you sure? This action cannot be undone.
    Cancel

  • Daisykool8

    Member • 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?
    Are you sure? This action cannot be undone.
    Cancel
Home Channels Search Login Register