lecture-11-16-handouts

# lecture-11-16-handouts - 1 ME-340 Circuits& Mechatronics...

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Unformatted text preview: 11/16/2011 1 ME-340 Circuits & Mechatronics Lecture # 33 2010.11.16 Tentative class forecast • Week 11/14 Feedback for final stretch/exam Finalize Ch 14 Ch 15 (Electromagnetism) • Week 11/21 Ch 15 • Week 11/28 Parts of Ch 16, 17 Quiz on Chs. 14 • Final exam on Th 12/8 7-10pm (Chs. 16, 17) 2 New Homework Problems (Due Tu 11/22 in Class) • Hambley 5 th Edition, Ch. 15 Problems: Magnetic fields: 15.11, 15.15, 15.21 Magnetic circuits: 15.28, 15.34 3 Due Problem Homework • Hambley 5 th edition, Chapters 14, Problems: Non-inverting amplifiers: p14.24, p14.26 Design: p14.36 Imperfections in linear range: p14.48 4 11/16/2011 2 Review Session • Weekly, Wednesdays, 3-4 ETC 2.108 5 Summary survey • Exam difficulty • Exam time • Effectiveness of review sessions • Effectiveness on problem solving in class • Effectiveness on reduced material • Suggestions 6 Solutions Exam 7 Recap Monday 8 11/16/2011 3 Resistances Too Small Cause Large Currents in Op-Amp Resistances Too Large Cause Stray Capacitance Noise in Op- Amp & generate ‘’thermal noise’’ Rule: Use 100 to 1M Resistances in Op-Amp Designs. 1 2 1 2 1 1 A R R R R R V V in o v Amplifier Design Considerations i 1 i 2 Gain A v V o V in R 2 R 1 R s Smallest Gain Value : A v - 499 4.99 49.9 0.499 .5 9.71 Example 14.3 R s = 0 to 500 R 1 = 49.9K 1% R 2 = 499K 1% Largest Gain Value : A v - 499 4.99 49.9 - 0.499 10.20 Gain and Bandwidth Limitations frequency break loop- open gain loop...
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lecture-11-16-handouts - 1 ME-340 Circuits& Mechatronics...

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