fall05Lecture_01_02Gomez

fall05Lecture_01_02Gomez - Welcome to ENEE 204 Basic...

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1 9/1/2005 1 Welcome to ENEE 204 Basic Circuit Theory Instructor: Prof. R.D. Gomez AV Williams, Room 2347; 301 405 7755; rdgomez@eng.umd.edu OFFICE HOURS: TuTh 1-3 or by appointment Teaching Assistants/UTF’s: M: 11 AM: Geetika Nagpal (gnagpal@wam.umd.edu) office hours: Weds. 9:30-11:30 M: 1 PM: Tracy Lin (tlin@umd.edu) office hours: Weds. 2-4 PM M: 2 PM: Kun Lin (klin@mail.umd.edu) office hours: Mon. 11-12 Thurs. 12:30: Michelle Tarr (metarr@umd.edu) Office hours: Tues. 11-12 9/1/2005 2 Course Requirements Prerequisite(s) Textbook(s): Basic Electric Circuit Theory, Mayergoyz and Lawson, 1997 (Academic Press). Optional Reference: Electric Circuits, 7th ed by Nilsson and Rieder (Pearson/Prentice Hall) Attendance: Expected Grading: Absolute A+:100-96, A:95-91, A-:90-86; B+:85-81,B:80-76,B-:75-71; C+:70-66,C:65-61, C-:60-56; D:55-50; F:<50 Grading Distribution: Weekly Quiz 15%+HW Assignments: 15%+Mid 1: 15%+Mid 2: 15%+Finals: 40% Weekly Quiz Policy: Recitation will include a 5-10 min quiz on current topics in lecture. HW Assignments Policy: Given in class every Tuesday and collected the following Tuesday. All problems in HW will be graded.
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2 9/1/2005 3 Circuit Components ± Batteries and voltage sources ± Resistors (R) + ± Capacitors (C) ± Inductors (L) ± Diodes (D) ± Transistors 1 sRC 1 = + + - ± Operational amplifiers 9/1/2005 4 Signals can functions of time dc/ac ± Electricity can be a periodic function of TIME (ac, ω ). ± Electricity can be independent of TIME (dc, ω =0). ± Electricity can be a pulse, transients.
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3 9/1/2005 5 Prerequisite Math ± ALGEBRA AND GRAPHING ± CALCULUS: DIFFERENTIAL AND INTERGRAL ± COMPLEX NUMBERS (z=x+jy) ± LINEAR ALGEGRA AND MATRICES ± ORDINARY DIFFERENTIAL EQUATIONS ± MODELING: PSPICE, MATLAB 9/1/2005 6 Given a circuit configuration, we will predict the voltages and currents at any point in the circuit. Goal: Circuit Design + + v out R 2 + v in R 1 sRC 1 = + v cc R 1 C 1 C 2 L 1
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9/1/2005 7 Let’s review … 2. Electric Field r r q K E ˆ 2 1 = v 2 2 2 1 ˆ q E r r q q K F r v = = 3. Electric Force on charge, q 2 dt dq i = 4. Electric current 21 ) 1 ( ) 2 ( 2 1 v v v Edx x x = = 5. Voltage 1. Electric Charge, q iR v = σ A L R = 7/8.Resistors: dt dv C i = d A C ε = 9/10.Capacitors: dt di L v = 11/12. Inductors: d A N L 2 µ = vi P = 6. Electric power 9/1/2005 8 Circuit Parameters: I, V, R Current – “charge flowing per unit time” Battery - “ supplies pressure to drive the current” Resistance – “ resists current flow, device to which energy is supplied into to do useful work”
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fall05Lecture_01_02Gomez - Welcome to ENEE 204 Basic...

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