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Man_part1 - ENEE 307 Electronics Analysis and Design Laboratory Part I Neil Goldsman Department of Electrical and Computer Engineering University

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Unformatted text preview: ENEE 307: Electronics Analysis and Design Laboratory: Part I Neil Goldsman Department of Electrical and Computer Engineering University of Maryland College Park, MD 20742 Fall 2009 Instructor: Professor Neil Goldsman Department of Electrical and Computer Engineering University of Maryland College Park, MD 20742 Contents 1 Diodes and Operational Amplifiers 4 1.1 introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.2 Diodes and Rectifier Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.2.1 Experiment: Simple Half-Wave Rectifier: . . . . . . . . . . . . . . . . 5 1.2.2 Experiment: The Full Wave Rectifier . . . . . . . . . . . . . . . . . . 6 1.3 DC Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 1.3.1 Half-Wave Single-Sided Supply . . . . . . . . . . . . . . . . . . . . . 7 1.3.2 The Full-Wave Single-Sided Power Supply . . . . . . . . . . . . . . . 8 1.3.3 Experiment: The Full Wave Rectifier and Power Supply . . . . . . . 9 1.3.4 Experiment: Design of Dual Output Power Supply . . . . . . . . . . 9 1.4 Operational-Amplifier Review . . . . . . . . . . . . . . . . . . . . . . . . . . 10 1.4.1 Noninverting Amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . 11 1.4.2 Inverting Amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 1.4.3 Experiment on Simple Op-Amps . . . . . . . . . . . . . . . . . . . . 13 1.5 Preliminary Questions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 2 Simple Transistor Amplifiers 16 2.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 2.2 BJT Forward Active Operation, Equivalent Circuit and β . . . . . . . . . . . 16 2.2.1 Theory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 2.2.2 DC Levels and Loop Equations . . . . . . . . . . . . . . . . . . . . . 18 2.2.3 Experiment: Determining BJT Current Gain β and Verifying the Equivalent Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 2.3 Common Emitter Amplifier: DC Bias . . . . . . . . . . . . . . . . . . . . . . 19 2.3.1 Theory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 2.3.2 Experiment: CE Amp DC Bias . . . . . . . . . . . . . . . . . . . . . 21 2.4 CE Amp Small Signal Voltage Gain at Midband Frequencies . . . . . . . . . 22 2.4.1 Theory: Approximate Analysis . . . . . . . . . . . . . . . . . . . . . 22 2.4.2 Experiment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 2.4.3 Theory: Accounting for V be in the CE Amp . . . . . . . . . . . . . . 24 2.4.4 Experiment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 1 2.4.5 Theory: Voltage Amplifier Equivalent Circuit, Input Resistance and Output Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 2.4.6 Experiment: Effect of Input and Output Resistances . . . . . . . . . 29 2.5 Emitter Follower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .....
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This note was uploaded on 09/19/2010 for the course ENEE 307 taught by Professor Neilgoldsman during the Fall '10 term at UMBC.

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Man_part1 - ENEE 307 Electronics Analysis and Design Laboratory Part I Neil Goldsman Department of Electrical and Computer Engineering University

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