SI 18100 (3)-1 - 18-100IIntro to ECE «— SI Topic...

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Unformatted text preview: 18-100IIntro. to ECE «— SI Topic: Transient Analysis and Impedance Session Date: 9119/09 , SI Leader: Neereja Sundaresan Academic Development Email: [email protected] Cyert Hail B5 412-268—6878 SI Sessions: - http://wwwcmucdufacadev Sun. 5:30—6:30pm — Cyert B6B Call, stop by or visit our website! Wed. 7:00-8:00pm — Cyert B6A Services available: Supplemental Instruction (SI), Academic Counseling in Study Skills, Individual & Walk-in Tutoring Part I Directions: Complete the following without referring to your notes. 1” EC: W‘- [52] ZL=QQJ.L-. [£2] ZR: ’9» [£2] As w approaches infinity: capacitors Shgfi and inductors Gavin . As approaches ‘1’ (tau) approaches infinity: capacitors gpeh and inductors Shur‘i. {also (own as polgr‘ Convert Wt): Acos(wt + 0) to phasor form. Which refers to the time domain? Frequency? How are these two domains portrayed in a circuit schematic? (Draw an example) ‘-VC4—):Aaps(w++®\' .szr‘ O = A 24(25 aquemo domain Part II Five steps to an accurate time sketch (for Vgt) vs. t1 1- Find the initial value of Vc(t) after switch is flipped 2. Determine value Vc(t) will reach (hypothetically, think 5 T) 3. Calculate T (either ReqC or L/Req) 4. Value of Vc(t) at t = IT (63% of distance from initial to final value) 5. Final value of Vc(t) before circuit configuration changes (before next switch is flipped) 2009-09—20, Transientimpedance, Page1 of 1 ...
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