EE101 Introduction to Electronic Circuits Fall Quarter 2012 Professor Sung Mo (Steve) Kang Office: BE-235; Phone (831) ; Office Hours: Monday 2-3 p.m. Tuesday 4-5 p.m. Friday 5-6 p.m. Teaching Assistants  Jose Armando Oviedo  Matthew Kissel EE101 Fall 2012 Lect1- Kang1

EE101 Syllabus 1.Basics of electronic and electric circuits. 2.Basic circuit elements (R, L, C, M(Memristor)), their constitutive relations (voltage- current relations for R, L, C), namely circuit models. 3.DC Analysis of circuits consisting of R, L, C. (First for DC- Resistor Circuits for voltage and current sources, and later by including L and C.) 4.Equivalent circuits- Thevenin’s, Norton’s, Transformations for easier analysis; Superposition principle for Linear Circuits and its application. 5.Operational Amplifiers (Op Amp) and their applications for summing, difference, Digital-to-Analog converter. 6.Transient circuit analysis of RC, RL circuits using first-order differential equation. 7.Transient circuit analysis of RLC circuits using second-order differential equation. 8.AC Analysis of RLC circuits for sinusoidal signals; Frequency response, Filter analysis, Bode plot. 9.Magnetically coupled circuits, transformers. 10.Analysis of power systems, 3-phase circuits. EE101 Fall 2012 Lect1- Kang2

EE101 Grading Quizzes15% Midterms 15% each x 2= 30% (Oct. 19 and Nov. 9, 2012) HW15% Final 40%  Students are required to take the exams on the given dates.  Final exam dates will be announced as soon as it is known.  Late HW submissions will not be accepted.  Quizzes will not be repeated- so, please do not miss the quizzes.  HW is due at the beginning of the class on the due date. EE101 Fall 2012 Lect1- Kang3

EE101 Details Course Number: Course Web site: – Students need User Name and Password – Lecture slides and HW assignments will be posted Classroom: Physical Sciences 110 Class Time: MWF 3:30-4:40 p.m. Must enroll concurrently in EE101L Prerequisites: Physics 5C/N or 6C/N Applied Math and Stats 20 or 20A or Math 24 EE101 Fall 2012 Lect1- Kang4

Related Courses Before and After EE101. EE101 Fall 2012 Lect1- Kang5

EE101 Textbook and Supplementary Book Required Textbook: UCSC version of Fundamentals of Electric Circuits (reduced price) by C. K. Alexander and M. N. O., Sadiku, McGraw Hill, 5 th ed. available at UCSC bookstore. If you buy this edition from somewhere else such as Amazon.com, be aware that Chapters 15, 16, 18, 19 are omitted in the UCSC version. And also you will need to pay some additional fee for electronic access to HW assignments, feedback and automated grading Supplementary Book – Schaum’s Outline of Basic Circuit Analysis by John O’Malley, McGraw Hill (ISBN: ) contains many solved problems. EE101 Fall 2012 Lect1- Kang6

EE101 Grading Policy Quizzes15% HW15% Two Midterms at 15% each30% (Oct. 19 & Nov. 9) Final40%  Please submit HW on time (at the beginning of the class on the due date)- no late submission will be accepted. (It is all computer-controlled.)  Please take all exams on the posted dates and time. No exception unless preapproved before the beginning of the quarter.  Quizzes will cover the topics of the previous lectures and reading assignments.  The pre-requisite quiz is to test your preparation. (matrix determinants, ordinary differential equations, electricity and magnetism, complex numbers.)  For exams, calculators must be cleared of contents relevant to EE101 materials. EE101 Fall 2012 Lect1- Kang7

Study Guidelines  Be motivated and generate enthusiasm and put good effort- a key to success not only for this course but many others.  Read assignments before each class.  Work out each example during your reading.  Please turn off your mobile phones in the classroom.  Use the office hours of both professor and TAs and tutor for Q&A.  Please do the HW by yourself, otherwise you may not do well for the in- classroom quizzes, and also may fail the exams.  Review the graded HW, exams and correct the mistakes.  Also, you must pass the final exam in order to pass the course. Otherwise, you may fail the course, regardless of your other achievements. EE101 Fall 2012 Lect1- Kang8

Honesty is the Best Policy  Please read the campus policy on academic integrity.  Integrity is one of the key personal traits that are counted critically not only in schools, but also in job and society.  Any confirmed academic dishonesty will results in a no-pass or failing grade and automatic referral of the case of the suspected policy violation to your college for further disciplinary action.  Example of Cheating includes (but are not limited to):  Sharing results or other information during exam.  Violation of the official examination time window.  Submission of HW which is not your own work. EE101 Fall 2012 Lect1- Kang9

EE101Lab Lab. Exercises will cover 1.Understanding of Lab. Safety and Instruments 2.Resistive circuits 3.Equivalent circuits, load matching 4.Transients in electric circuits 5.AC circuits and filter design 6.OP Amp circuit design EE101 Fall 2012 Lect1- Kang10

Some Basics Fundamental Units – Voltage (V, Volt) – Current (I, Ampere) – Charge (Q, Coulomb) – Magnetic Flux (Φ, Weber (Wb)) – Power (P, Watt) – Energy (E, Joule) – V=dΦ/dt – I= dQ/dt – P=V.I – P= dE/dt EE101 Fall 2012 Lect1- Kang11

Circuit Elements Resistor (R, Ohm) Inductor (L, Henry) Capacitor (C, Farad) Conductor (zero resistance wire) Independent Voltage Source (Volt) Independent Current Source (Ampere) Dependent Voltage Source (VCVS, CCVS) Dependent Current Source (VCCS, CCCS) Transformer Active Elements (Transistors such as MOST, BJT) EE101 Fall 2012 Lect1- Kang12

Introduction of Electric Circuits. Consider a headlight system in a car It is turned on by a switch manually or automatically The headlights get turned on by heating filaments (resistors), although there are non-filament headlights. The current though the filament is I= V/R The power dissipated in the filament resistor is P=V.I= V.V/R Advancement in automotive electronics will make car components smaller and more efficient. EE101 Fall 2012 Lect1- Kang13

Analogy of Electric Circuit to Fluid Pump System. MechanicalElectrical ReservoirGround PumpBattery Pump PressureVoltage (V) Narrow ValveResistor(R) Fluid FlowCurrent (I) Poiseuille’s Ohm’s Law Law Resistance (R) of a Resistor is proportional to the length, but inversely proportional to the cross-sectional area, i.e. R= (Material’s Resistivity Constant) x Length/Area EE101 Fall 2012 Lect1- Kang14

Electrical Model of Axon Membrane (Hodgkin-Huxley Model of Squid Membrane). In this model, G Na and G k are “memristors”, resistors with memory EE101 Fall 2012 Lect1- Kang15

Passive Elements of Electric Circuits (R, L, C, M) and their Constitutive Relations V, I, Q, Φ are the 4 key variables in electrical engineering. RLCM elements are characterized by: V = R I (Resistor) Q = C V (Capacitor) Φ = L I (Inductor) Φ = f (Q) (Memristor = memory resistor) For example, the Resistive Memory (ReRAM) cell. EE101 Fall 2012 Lect1- Kang16

Electrical Current (I). EE101 Fall 2012 Lect1- Kang17

An Example of Electric Circuits (consisting of R, L, C and a Voltage Source) and Currents. EE101 Fall 2012 Lect1- Kang18

Types of Circuit Analysis DC, AC Transient (by d.e.), Steady State (by phasor) Frequency response (steady state, AC) EE101 Fall 2012 Lect1- Kang19

Reference Direction. V ab = V a -V b = -(V b -V a )= -V ba Voltage across an element is the difference between the two node voltages. I ab = V ab /R = -V ba /R = -i ba The current through an element can be found by Ohm’s Law, namely by diving the voltage across the element by resistance (or impedance). EE101 Fall 2012 Lect1- Kang20 W E 5 miles East = - 5 miles West