BENSALEM HIGH SCHOOL Course Syllabus Intermediate Electronics - Electricity February 17, 2016 Gary M. Portnoy Course Syllabus Intermediate Electronics - Electricity 1. Course description: A. Aim The Electronics 2 course is designed for Sophomore, Junior and Senior students who have completed the Tech Ed Prep course in basic electronic concepts. Students will review the material in Tech Ed Prep and examine additional electronic components and circuitry. The theory and math will take off where the introductory course left off. Emphasis will be on electronic lab experiments as well as project construction techniques. B: Topics to be covered: A. Introduction a. Electronics career and course overview b. Course procedures c. Grading parameters d. Course description e. Course requirements B. Electronics Safety a. Electrical hazards in the home and in industry b. Safe working procedures c. Physiological effects of electrical shock d. First aid for shock victims C. Electricity: description and definition a. Electron theory b. Charges c. Conductors d. Insulators e. Potential – Voltage f. Current – Amperes g. Resistance – Ohms h. Electrical circuits Tech Ed Prep Course Review D. Ohm’s Law a. What is Ohm’s Law b. How is Ohm’s Law used c. Practice Ohm’s Law worksheets and test d. Ohm’s Law Experiment E. Basic soldering skills a. Structure of solder b. Soldering and de-soldering equipment c. Tinning a wire d. Soldering solid wire e. Securing wires to terminals f. The Western Union splice g. Pigtail connections h. Tap or vampire splice i. Soldering on printed circuit boards j. Soldering practice project F. Series Circuits a. Series circuit theory b. Series - parallel circuits c. Identifying series circuits d. Voltage drops e. Total resistance f. Series circuit applications g. Voltage dividers h. Determining unknown values G. Resistor Fundamentals a. Types of resistors b. Resistor color code c. Resistor color code practice H. Electronic Device Construction a. Safety considerations b. Semiconductor identification c. Heat sinking components d. Identifying capacitors e. Lead preparation f. Installation of components on printed circuit boards g. Project testing h. Enclosure construction i. Project completion I. Multimeters a. Analog and digital multimeters b. Uses of multimeters c. Safety when using multimeters d. Advantages and disadvantages of analog and digital meters e. Reading the dial face on the Simpson 360 f. Making voltage measurements g. Making current measurements h. Making resistance measurements i. Special meter functions j. Care of multimeters J. Series Circuit construction and Experiment a. Building a series resistive circuit b. Calculating total resistance c. Calculating current flow d. Calculating voltage drops across each component e. Using the Simpson 360 multimeter to measure values f. Conclusions K. Electronic project construction a. Resistor color code b. Component identification c. Soldering to PCBs d. Project construction, building the battery tester e. Project testing and evaluation Electronics 2 Course Content J. Parallel DC Circuits a. Definition of a parallel circuit b. Identifying parallel circuits c. Comparing Parallel and series circuits d. Parallel circuit analysis L. Parallel circuit experiment a. Parallel circuit construction b. Parallel circuit experiment c. Conclusions M. Power a. Definition of electrical and mechanical power b. Watt’s Law c. Reading an electric meter d. Circuit analysis involving power N. Sources of Electricity a. Magnetism b. Chemical c. Heat d. Light e. Pressure f. Friction O. Electromagnetism a. Electromagnets b. Left had rule c. Strength of electromagnets d. Uses of electromagnetism P. Alternating current a. The sine wave b. Frequency c. Amplitude d. Peak voltage e. Peak to Peak voltage f. Average voltage g. Root means square voltage h. Phase i. Waveform shape j. Power factor Q. Transformers a. How transformers work b. Step-Up / Step-Down c. Turns ratio d. Transformer problems e. Transformer losses R. Capacitance a. Construction of capacitors b. Capacitance c. Factors affecting capacitance d. Types of capacitors e. Capacitor in series f. Capacitors in parallel S. Inductance a. Inductors b. Counter EMF c. Coils d. Measuring inductance T. RL and RC time constants a. Use of time constants b. Current lags in RL circuits c. Voltage lags in RC circuits d. Inductive reactance e. Capacitive reactance U. Diodes a. Valence electrons b. Covalent bonds c. Doping d. PN junction e. Hole flow f. Reverse bias g. Special diodes V. Vacuum Tubes a. Vacuum tube diodes b. Thermionic emissions c. Vacuum tube power supplies d. Triode vacuum tubes e. Tetrode vacuum tubes f. Pentode vacuum tubes g. Multipurpose tubes h. Cathode ray tubes i. Fleming’s valve W. Transistors a. How transistors work b. Types of transistors PNP - NPN c. Doping d. Hole current e. Amplification f. Advantages of transistors X. Power supplies a. Half wave rectification b. Full wave rectification c. Full wave bridge rectification d. Filtration e. Regulation3 C: Program of Study: Intermediate Electricity-Electronics is an elective course. It is generally considered to be the second electronics course in a series of three. It can be the Prerequisite for the Advanced Electronic Systems course. D: Course Length: 90 days – 83 minute periods 2. Instructional Philosophy: A: Instruction will be delivered by: 1. Lecture 2. Demonstration 3. Experiment 4. Video 5. Internet Research 6. Electronic project work 7. Problem solving worksheets 8. Team project work B: Evaluation 1. Examinations 2. Evaluation of completed electronic projects and observation of work habits. 3. Evaluation of notebook 4. Written worksheets 5. Final exam 3. Course Goals: The student will be able to: Describe electricity, its characteristics and uses Demonstrate safe operations and procedures while working with electricity Complete simple Ohm’s Law calculations solving for voltage, current and resistance Produce accurate, clean soldered connections between wires, connectors and on printed circuit boards. Identify common electronic components both physically and by their schematic symbol. Demonstrate common procedures to build and repair electronic circuits Identify series circuits and solve simple Ohm’s law problems involving series circuits Use a multimeter to test circuits for voltage, current, resistance and continuity. Identify and solve parallel circuit problems Describe a sine wave and identify various measurements and wave parameters Draw the schematic symbol of a capacitor and describe how it work as well as what it’s used for Draw an inductor and describe the left hand rule Explain the operation of a transformer Describe diode rectification characteristics and uses Describe how transistors operate explaining hole flow Explain the difference between half wave, full wave and full wave bridge power supplies. 4. Textbooks and Materials: a. Text Books i. Electricity and Electronics Today by W. J. Haynie, III ii. Electricity & Electronics by Gerrish-Dugger-Roberts b. Video tapes i. Working Safely with Electricity by Bergwall ii. Electrical Safety by CEV iii. Electrical Principals by Meridian iv. Basic Electricity – DC Circuits by Bergwall v. Basic Electricity, DC by Bergwall vi. Multimeters Explained by Bergwall vii. Alternating Current Electricity by Bergwall viii. Microchip Technology by Bergwall ix. Understanding Digital Electronic by Bergwall x. Dual Trace Oscilloscopes by Bergwall xi. Electrical Components Part 1 by Meridian xii. Electrical Components Part 2 by Meridian xiii. Electrical Components Part 3 by Meridian xiv. Electronic Troubleshooting by Meridian c. Electronic Workbench 5.0 - electronic simulation software d. Electronic shop tools material and supplies e. Simpson 260 VOM f. Fluke 77 DMM g. Hitachi Dual Trace Oscilloscope h. VIM Power Supplies i. VIM AF Signal Generator j. VIM RF Signal Generator 5. Major Course Projects: a. Soldering practice project – circuit board production b. Series, Parallel, Series-Parallel circuit experiments c. Commercially available electronic project kits, one per marking period 6. Assessment Plan: a. Examinations b. Evaluation of completed electronic projects c. Observation of safe work habits. d. Evaluation of notebook e. Written worksheets f. Final exam