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  • query for power calculation of AM wave

    einstein.pankaj

    Member

    Updated: Oct 27, 2024
    Views: 1.2K
    AM wave is given by (for single tone modulation)
    S[SUB]am[/SUB]= V[SUB]c[/SUB]cosw[SUB]c[/SUB]t +mV[SUB]c[/SUB]/2 cos (w[SUB]c[/SUB]+w[SUB]m[/SUB])t + mV[SUB]c[/SUB]/2 cos(w[SUB]c[/SUB]-w[SUB]m[/SUB])t

    power=V[SUB]c[/SUB][SUP]2[/SUP]/2+ m[SUP]2[/SUP]V[SUB]c[/SUB][SUP]2[/SUP]/8+m[SUP]2[/SUP]V[SUB]c[/SUB][SUP]2[/SUP]/8

    here why do we take the resistance as 1??
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Replies

  • Sagar07

    Member • Sep 5, 2011

    This is simply for the sake of simplicity, it has got no specific xplanations..... and whn we consider resistance as 1 ohm, power is called "normalized power"....
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  • einstein.pankaj

    Member • Sep 5, 2011

    thanks sagar
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  • Sagar07

    Member • Sep 6, 2011

    u r welcome...
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