tailieunhanh - Circuits & Electronics P17

The Impedance Model Fall 2000 Lecture 17 1 .Review Sinusoidal Steady State (SSS) Reading , vI = Vi cos ωt + – R C + vO – SSS Focus on steady state, only care about vP as vH dies away. Focus on sinusoids. Sinusoidal Steady State (SSS) Reading , Reading: Section from course notes. Fall 2000 Lecture 17 2 .Review Vi cos ωt usual circuit model 1 set up DE V p cos[ωt + ∠V p ] nightmare trig. vP sneak in Vi e jωt drive complex algebra Vp 2 3 vH take 4 real total part The Sneaky Path V p e jω t Vi 1 + jωRC Vp contains all the information we need: Vp ∠V p Fall 2000 Amplitude of output cosine. | CIRCUITS AND ELECTRONICS The Impedance Model Fall 2000 Lecture 17 1 Review Sinusoidal Steady State SSS Reading ------R-------- Vj V cos mt C -- vO Focus on steady state only care SSS about vP as vH dies away. Focus on sinusoids. Sinusoidal Steady State SSS Reading Reading Section from course notes. Fall 2000 Lecture 17 2 vp eat yj 1 j RC Vp contains all the information we need Vp Amplitude of output cosine AVp phase Fall 2000 Lecture 17

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