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EE 2303 Intro to Electrical Engineering Orientation www.ece.mtu.edu/labs 1 Overview Safety Precautions Tool Kit (ALWAYS bring it to lab) Course Overview & Expectations Brief Intro to Lab 1 2 People • Glen Archer – Lab Coordinator ([email protected]) • Dan Prindle (dbprindl) • Jie Wu (jiew) • Chris VanArsdale (cdvanars) 3 Course Overview & Expectations Attendance Academic Integrity Presentations Pre-labs Quizzes Practical Exam 4 Book Review Not a report Provide your reaction to the information in the book How has the integrated circuit affect your life? 5 Lab Reports www.ece.mtu.edu/labs/EElabs/Lab_Policies. htm Everything turned in single spaced and typed Due at next lab unless announced otherwise 10% reduction each day lab is late EVERYTHING must be turned in by Friday of week 14 6 Report Format Cover Sheet Objective – short paragraph Procedure Discussion Conclusion Appendix (not always needed) Try to stick to formal writing in everything but the conclusion 7 Grading Scale Grade A AB B BC C CD D F I X Percentage Rating 93% & Above Excellent 88% - 92% Very Good 82% - 86% Above Average 76% - 81% Good 70% - 75% Average 65% - 69% Below Average 60% - 64% Inferior 59% & Below Failure Incomplete; May only be given with approval in writing by the Dean Conditional 8 Voltage and Current Measurement Vocabulary Electric Circuit Voltage Current Series Parallel 9 Electric Circuits A set of electrical components Sources, Resistors, Inductors, Capacitors 10 Voltage: Volts (V) Potential Difference between two points Always has polarity (+/-) Measure voltage in parallel 11 Current: Amperes (A) The flow of electrical charge through a conductor or circuit element Current flow requires a continuous path Measure current in SERIES 12 Series Circuits Elements placed one after another VTotal = VA + VB + VC IA = I B = I C 13 Parallel Circuits Multiple elements connected to the same node VA = VB = VC ITotal = IA + IB +IC 14 4-stripe resistor Resistors Carbon Wire wound Precision Power Rating A B C D 5-stripe resistor A B C D E 15 Color Digit (A) (B) Multiplier C Tolerance (D) Black Brown Red Orange Yellow Green Blue Violet Grey White Gold Silver None 0 1 2 3 4 5 6 7 8 9 1 10 100 1000 10K 100K 1M 10 M 0.1 0.01 1% 2% 3% 4% Flame Proof 5% 10% 20% Bad Boy R O Y Great Britain Very Good Wife Go See Now 16 Ohm's Circuit Law Voltage is equal to current times resistance • V =I*R • I = V/R • R = V/I I V R 17 Breadboards Power and ground connections along top and bottom Columns are connected Components can just be pushed into place 18 Agilent 3630A DC Power Supply 19 Agilent 3630A Controls •Voltage Adjust– 6V and ±20V •Meter Select Button •Output Terminals 20 Fluke Digital Multimeter Used to measure voltage, current, and resistance Leads must be moved to measure current or voltage Summary Lab Safety Voltage/Current Resistors Color Code Ohm’s Law Breadboards Agilent 3630A DC Power Supply Fluke Digital Multimeter 22 Assignments Go to the EE Labs’ website • Read Lab 1 and do the Pre-lab Read ABCs of DMMs • Found under the Resources link • We’ll have a quiz on this material next week 23 Where to Get More Information? www.ece.mtu.edu/labs [email protected] 24