ee541F11HW04

ee541F11HW04 - EE 541 USC Viterbi School of Engineering J....

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EE 541 USC Viterbi School of Engineering J. Choma Homework #04 51 Fall Semester, 2011 U niversity of S outhern C alifornia USC Viterbi School of Engineering Ming Hsieh Department of Electrical Engineering EE 541: Homework Assignment #04 Fall, 2011 Due: 09/27/2011 Choma Problem #19: The passive pi-architecture filter shown in Figure (P19) is formed of an ideal inductance, L , two identical capacitances, C , and two resistances, R 1 and R 2 . The filter is to be designed so that its transimpedance function, Z io (s) = V o /I i , provides a Bessel frequency response featuring a steady state (or group) delay at zero frequency of T do . L C C R 2 R 1 I i V o Figure (P19) (a). How is the zero frequency group delay related to resistances R 1 and R 2 and capacitance C ? (b). In terms of resistances R 1 and R 2 and capacitance C , how must inductance L be selected to satisfy the design requirements? Problem #20: A certain communication system application requires a sixth order , lowpass, lossless Butterworth filter whose input port is driven by a 75

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This note was uploaded on 12/22/2011 for the course EE 541 at USC.

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ee541F11HW04 - EE 541 USC Viterbi School of Engineering J....

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