tailieunhanh - Circuits & Electronics P14

State and Memory Fall 2000 Lecture 14 1 .Review Recall vI + – v I = VI for R C + vC – vC (0 ) t ≥0 −t vC = VI + (vC (0)− VI ) e RC 1 Reading: Sections , , and Fall 2000 Lecture 14 2 .This lecture will dwell on the memory property of capacitors. For the RC circuit in the previous slide vI VI vI t ≥0 VI 0 t vC vC = VI + (vC (0)− VI ) e RC −t vC (0 ) 0 t Notice that the capacitor voltage for t ≥ 0 is independent of the form of the input voltage before t = 0 . Instead, it depends only on the capacitor voltage at t = 0 , and. | CIRCUITS AND ELECTRONICS State and Memory Fall 2000 Lecture 14 1 Review Recall Vi AA V R cj Vc vI VI for t 0 Vc 0 -t vC VI vC o - VI eRC 1 Reading Sections and Fall 2000 Lecture 14 2 This lecture will dwell on the memory property of capacitors. For the RC circuit in the previous slide Notice that the capacitor voltage for t 0 is independent of the form of the input voltage before t 0. Instead it depends only on the capacitor voltage at t 0 and the input voltage for t 0. Fall 2000 Lecture 14

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