EE203-SUNYBuffalo-02-SummaryforEE202-02

EE203-SUNYBuffalo-02-SummaryforEE202-02 - SMALL for Big...

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Unformatted text preview: SMALL for Big Things University at Buffalo SMALL for Big Things University at Buffalo Nanobio Sensors & MicroActuators Learning Lab The State University of New York Nanobio Sensors & MicroActuators Learning Lab The State University of New York Chapter 4: Source Transformations EE 203 Circuit Analysis 2 Lecture 02/39 Review EE 202 - 2 Kwang W. Oh, Ph.D., Assistant Professor SMALL (Nanobio Sensors & MicroActuators Learning Lab) Department of Electrical Engineering University at Buffalo, The State University of New York 215E Bonner Hall, SUNY-Buffalo, Buffalo, NY 14260-1920 Tel: (716) 645-3115 Ext. 1149, Fax: (716) 645-3656 [email protected], http://www.SMALL.Buffalo.edu Lecture 02 | ReviewEE202 | 2/2 | 1/15 EE 203 Circuit Analysis 2 | Spring 2008 | Prof. Kwang W. Oh | [email protected] A tool for simplifying circuits The process of replacing a voltage source vs in series with resistor R by a current source is in parallel with a resistor R or vice versa v s = is R The two circuits are equivalent as llong as the same voltage-current ong relation exist between the terminals a and b EE 203 Circuit Analysis 2 | Spring 2008 | Prof. Kwang W. Oh | [email protected] Lecture 02 | ReviewEE202 | 2/2 | 2/15 SMALL for Big Things University at Buffalo SMALL for Big Things University at Buffalo Nanobio Sensors & MicroActuators Learning Lab The State University of New York Nanobio Sensors & MicroActuators Learning Lab The State University of New York Chapter 4: Deriving Thevenin/Norton Equivalents Chapter 4: Thevenin and Norton Equivalents Thevinin’s theorem a linear two terminal circuit can be replaced by an equivalent circuit consisting of a voltage source VTh in series with a resistor RTh, where VTh is the open-circuit voltage at the terminals and RTh is the input or equivalent resistance at the terminals when the independent sources are turned off. Norton’s theorem a linear two-terminal circuit can be replaced by an equivalent circuit consisting of a current source IN in parallel with a resistor RN, where IN is the short-circuit current at the terminals and RN is the input or equivalent resistance at the terminals when the independent sources are turned off. EE 203 Circuit Analysis 2 | Spring 2008 | Prof. Kwang W. Oh | [email protected] Source Transformation IN RN Lecture 02 | ReviewEE202 | 2/2 | 3/15 EE 203 Circuit Analysis 2 | Spring 2008 | Prof. Kwang W. Oh | [email protected] Lecture 02 | ReviewEE202 | 2/2 | 4/15 SMALL for Big Things University at Buffalo SMALL for Big Things University at Buffalo Nanobio Sensors & MicroActuators Learning Lab The State University of New York Nanobio Sensors & MicroActuators Learning Lab The State University of New York Chapter 4: Deriving Thevenin/Norton Equivalents Chapter 6: Capacitors and Inductors Step 1: Deactivate all independent sources A voltage source is deactivated by replacing it with a short circuit A current source is deactivated by replacing it with b an open circuit All dependent sources are remained as they are, and then apply either a test voltage source or a test current source to the Thevenin terminal a, b. Step 2: Calculate the resistance seen looking into the network at the designated terminal pair Thevenin resistance equals to the ratio of the voltage across the test source to the current delivered by the test source. EE 203 Circuit Analysis 2 | Spring 2008 | Prof. Kwang W. Oh | [email protected] Lecture 02 | ReviewEE202 | 2/2 | 5/15 EE 203 Circuit Analysis 2 | Spring 2008 | Prof. Kwang W. Oh | [email protected] Lecture 02 | ReviewEE202 | 2/2 | 6/15 SMALL for Big Things University at Buffalo SMALL for Big Things University at Buffalo Nanobio Sensors & MicroActuators Learning Lab The State University of New York Nanobio Sensors & MicroActuators Learning Lab The State University of New York Chapter 6: Simple Addition and Reciprocal Addition Resistors Capacitors Inductors Voltage Sources Sources Current Sources Sources Series Simple Addition Addition Reciprocal Addition Addition Simple Addition Addition Simple Addition Addition N/A Natural Response (Switching OFF) of RL Circuit Parallel Reciprocal Addition Addition Simple Addition Addition Reciprocal Addition Addition an exponential decay of the initial current Decreasing Current KVL Solve N/A = Time Constant Simple Addition Addition EE 203 Circuit Analysis 2 | Spring 2008 | Prof. Kwang W. Oh | [email protected] Chapter 7: RL Circuit Lecture 02 | ReviewEE202 | 2/2 | 7/15 EE 203 Circuit Analysis 2 | Spring 2008 | Prof. Kwang W. Oh | [email protected] Lecture 02 | ReviewEE202 | 2/2 | 8/15 SMALL for Big Things University at Buffalo SMALL for Big Things University at Buffalo Nanobio Sensors & MicroActuators Learning Lab The State University of New York Nanobio Sensors & MicroActuators Learning Lab The State University of New York Chapter 7: RC Circuit Chapter 7: RL Circuit Natural Response (Switching OFF) of RC Circuit Step Response (Switching ON) of RL Circuit an exponential decay of the initial voltage jumping-up of the current to Vs/R cu Decreasing Voltage Increasing Current KCL Solve KVL = Time Constant EE 203 Circuit Analysis 2 | Spring 2008 | Prof. Kwang W. Oh | [email protected] Lecture 02 | ReviewEE202 | 2/2 | 9/15 EE 203 Circuit Analysis 2 | Spring 2008 | Prof. Kwang W. Oh | [email protected] Lecture 02 | ReviewEE202 | 2/2 | 10/15 SMALL for Big Things University at Buffalo SMALL for Big Things University at Buffalo Nanobio Sensors & MicroActuators Learning Lab The State University of New York Nanobio Sensors & MicroActuators Learning Lab The State University of New York Chapter 7: RC Circuit Chapter 7: General Solution Step Response (Switching ON) of RC Circuit General Solution for a 1st order Circuit jumping-up of the voltage to IsR Natural and step responses of atural and step responses of RL and RC circuits Increasing Voltage KCL EE 203 Circuit Analysis 2 | Spring 2008 | Prof. Kwang W. Oh | [email protected] Lecture 02 | ReviewEE202 | 2/2 | 11/15 EE 203 Circuit Analysis 2 | Spring 2008 | Prof. Kwang W. Oh | [email protected] Lecture 02 | ReviewEE202 | 2/2 | 12/15 SMALL for Big Things University at Buffalo SMALL for Big Things University at Buffalo Nanobio Sensors & MicroActuators Learning Lab The State University of New York Nanobio Sensors & MicroActuators Learning Lab The State University of New York Chapter 8: A Parallel RLC Circuit for the Natural Response Chapter 8: RLC Circuits : “Overdamped” Voltage Response A parallel RLC circuit for the parallel natural response A parallel RLC circuit for the step step response v v v A series RLC Circuit for the series natural response A series RLC Circuit for the step response EE 203 Circuit Analysis 2 | Spring 2008 | Prof. Kwang W. Oh | [email protected] Lecture 02 | ReviewEE202 | 2/2 | 13/15 SMALL for Big Things University at Buffalo Nanobio Sensors & MicroActuators Learning Lab The State University of New York Chapter 8: Natural or Step Responses of a 2nd-order Circuit EE 203 Circuit Analysis 2 | Spring 2008 | Prof. Kwang W. Oh | [email protected] Lecture 02 | ReviewEE202 | 2/2 | 15/15 EE 203 Circuit Analysis 2 | Spring 2008 | Prof. Kwang W. Oh | [email protected] Lecture 02 | ReviewEE202 | 2/2 | 14/15 ...
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