Q1. (a) List four characteristics of an ideal operational amplifier and their practical deviations. (b) A...
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Q1. (a) List four characteristics of an ideal operational amplifier and their practical deviations. (b) A second order filter stage is shown in figure-Q1. R₂ ww R₁ R3 Vin ww Vo Figure-Q1 i. Show that the transfer function is given by R₂ R₁ A(s) = - 1+C₁ (R₂ + R3+)s+C₂C₂R₂Rs²* R1 ii. Use the second order stage in figure-Q1 and other circuitry as necessary to design a third- order unity gain Butterworth low-pass filter with a cutoff frequency fc = 50kHz. Note: Butterworth coefficients of the third order filter are, Stage i a₁ bi Order n 3 1 1 0 2 1 1 for a transfer function of a stage of the form, Ao Ai(s) 1+as+bis² S C₂ C₁ Q1. (a) List four characteristics of an ideal operational amplifier and their practical deviations. (b) A second order filter stage is shown in figure-Q1. R₂ ww R₁ R3 Vin ww Vo Figure-Q1 i. Show that the transfer function is given by R₂ R₁ A(s) = - 1+C₁ (R₂ + R3+)s+C₂C₂R₂Rs²* R1 ii. Use the second order stage in figure-Q1 and other circuitry as necessary to design a third- order unity gain Butterworth low-pass filter with a cutoff frequency fc = 50kHz. Note: Butterworth coefficients of the third order filter are, Stage i a₁ bi Order n 3 1 1 0 2 1 1 for a transfer function of a stage of the form, Ao Ai(s) 1+as+bis² S C₂ C₁
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Related Book For
Analysis and Design of Analog Integrated Circuits
ISBN: 978-0470245996
5th edition
Authors: Paul R. Gray, ? Paul J. Hurst Stephen H. Lewis, ? Robert G. Meyer
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