ELE 504 Midterm: ELE504 – Fall 2006 Midterm
31 Jan 2019
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A basic calculator and a one-page a4 size formula sheet are allowed. The examination paper is comprised of four questions, each is worth 25 marks. No questions are allowed to be asked during the examination time. For each question, you must show your steps and reasoning clearly to be given part marks for your answer. Q1 [25 marks] for the op-amp shown below, ib1 = 200na, ib2 = 100na and vos = Determine the d. c. offset-voltage, vos, for the conditions indicated in the table (below). Q2 [25 marks] an active filter design specifications are given below in the table: Design an optimal butterworth filter using the design specifications given in table above, and sallen & key and/or rc circuits. [3 marks] find the poles of the filter. (iii) [3 marks] determine the normalized transfer function of this filter using any means available to you. Attenuation, as in db of your filter design. (v)
