2E1AB1 | Pre-amplification and filtering | Electronics and Applied Physics | S7 | ||||||
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Lessons : 0 h | TD : 21 h | TP : 9 h | Project : 0 h | Total : 30 h | |||||
Co-ordinator : Chantal Gunther |
Prerequisite | |
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1E1B1 - Fondamentals in circuits theory and measurements 1E2AC1 - Amplifiers - DAC & ADC |
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Course Objectives | |
DC Error Characteristics, time and frequency limits of a real amplifier Power dissipation and power efficiency of an electronic circuit Relaxation oscillators and active filter design |
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Syllabus | |
Real operational amplifier: analysis and consequences of its defects (offset, slew rate, frequency effects) on performances (Ze, Zs, gain, linearity) of amplifier circuits. Instrumentation amplifier: architectures and applications. Power amplifiers : internal structure, characteristics, thermal dissipation, heatsink design Relaxation oscillator and voltage controlled oscillators (VCO) : internal structure, working principles and applications Filter theory and design |
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Practical work (TD or TP) | |
Differential amplifier differential mode gain, common mode gain, bias currents, offset voltage, frequency effects. Single-supply Op Amp circuits Gain and bandwidth of Op. Amp. arrangement. Instrumentation amplifier: Basic two and three Op Amp configurations Class-A power amplifier : power dissipation and efficiency calculations, output current limiter Power efficiency of a Class-B power amplifier Analysis of a relaxation VCO Active filter design, universal active filter, Comparison of the characteristics of Butterworth, Tchebycheff and Bessel filters |
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Acquired skills | |
Taking into account the defects of a real circuit and impacts on the effective characteristics of the proposed system. Selection of a component based on the adequacy of its characteristics (input and output, bandwidth, noise impedances) with the specifications of the given application. Project management : from the block diagram to the characterization of the prototype developed. |
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Bibliography | |
'Électronique des circuits intégrés' Tran Tien Lang, Masson Operational Amplifier Circuits : Theory and Applications. E.J. Kennedy,. Holt, Rinehart and Winston, Inc. A.P. Malvino, Principes d'électronique, Dunod Amplificateurs de puissance, M. Girard, McGraw Hill, 1988, ISBN : 2-7042-1180-9 Filtres actifs, Paul Bildstein, Editions Radio, 1976. Active Filter Design Techniques, sloa088, Texas Instruments |
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