Cl-2, Common circuit elements and Their Constraint equatfons C1-2, Common circuit elements and Their Constraint equations Ideal current source Symbol: o① o others:oo Feature: a two-terminal element, its current has nothing to do with its voltage sr10\ → Conclusion: Components in series with the ideal current source have nothing to do with the outer circuits. Cl-21 Common cireuit elements and Their Constraint Equations Chapter l Introductory Linear Circuit Analysis ---From time-domain analysis to frequency-domain analysis source Cl-I: Introduction to Linear Circuit Analysi :二 pLumped Parameter Hypothesis, Basic Approaches, Basic Terminology, Reference direction, Source shaone: othing ineos iata the d ter ith the ideal voltage Fundamental Law(KVL, KCL, VCR) cIrcuits Conclusion: Components in series with the ideal current source have nothing to do with the outer circuits Chapter 1 Introductory Linear Circuit Analysis Summary for today ----From time-domain analysis to frequency-domain analysis C1-2: Common circuit elements and Their C1-2: Common cireuit elements and Their Constraint Equations Constraint Equations Classification of components, resistance 2 Classification of components, resistance lement, independent source, controlled source element, independent source, controlled element nclusion: Components paralleled with the ideal voltage source have nothing to do with the outer circuits. Conclusion: Components in series with the ideal current source have nothing to do with the outer circuits.北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 0 I V I0 Is R I =Is ？ Conclusion：Components in series with the ideal current source have nothing to do with the outer circuits. Is *** Ideal current source: Symbol: others: Feature: a two-terminal element, its current has nothing to do with its voltage. Is C1-2：Common circuit elements and Their Constraint Equations 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 P>0 ? P<0 + - + - Vs2=5V Vs1=10V 0 R I Vs V / P<0 P>0 ？ 0 I V Is / / Is1=10A / Is2=5A R + - Vs1× + - Vs2 Vs1× + - Is2=5A Is1=10A R × × C1-2：Common circuit elements and Their Constraint Equations *** 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 Conclusion：Components paralleled with the ideal voltage source have nothing to do with the outer circuits. Conclusion：Components in series with the ideal current source have nothing to do with the outer circuits. Independent source R + - Vs + V =Vs - + - Vs + V =Vs - + - Vs Is R I =Is Is *** C1-2：Common circuit elements and Their Constraint Equations 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 C1-1：Introduction to Linear Circuit Analysis Lumped Parameter Hypothesis, Basic Approaches, Basic Parameters, Basic Terminology, Reference direction, Fundamental Law (KVL, KCL, VCR) Chapter 1 Introductory Linear Circuit Analysis ----From time-domain analysis to frequency-domain analysis 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 C1-2：北京大学 北京大学 Common circuit elements and Their Constraint Equations  Classification of components, resistance element, independent source, controlled source, dynamic element Summary for today’s lecture Conclusion：Components paralleled with the ideal voltage source have nothing to do with the outer circuits. Conclusion：Components in series with the ideal current source have nothing to do with the outer circuits. 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 北京大学 Chapter 1 Introductory Linear Circuit Analysis ----From time-domain analysis to frequency-domain analysis C1-2：Common circuit elements and Their Constraint Equations  Classification of components, resistance element, independent source, controlled source, dynamic element