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Introduction to Steady State (AC)Analysis Sinusoidal Sources (Continued) Why are sinusoids important(Cont.)? Reason #2:Convenient representation in the Freguency Domain Time Domain Magnitude Frequency Domain 0 00 Angle 0 v(t)=VP cos(oot+φo) Define phasors:F(@)=Mag Angle If:v(t)=Vp cos(@ot+)Phasor form:V(@)=Vp/o Has connection with Complex Number Analysis...More on this later Basic Electronics-Special Lecture for TIPP 2011 8 Gary Drake,Argonne National Lab-Session 2Basic Electronics – Special Lecture for TIPP 2011 8 Gary Drake, Argonne National Lab – Session 2 Introduction to Steady State (AC) Analysis  Sinusoidal Sources (Continued) • Why are sinusoids important (Cont.)?  Reason #2: Convenient representation in the Frequency Domain • Define phasors: t v(t) = VP cos(Ot + O) VP T -VP  VP  O O Time Domain Frequency Domain Phasor form: V() = VP O Magnitude Angle If: v(t) = VP cos(Ot + O) F() = Mag Angle  Has connection with Complex Number Analysis…  More on this later
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