EEN 204 Lab Report 5 (filters)

EEN 204 Lab Report 5 (filters) - UNIVERSITY OF MIAMI...

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Department of Electrical and Computer Engineering EEN 204 Name: Section: Date: EXPERIMENT 5 LOWPASS AND HIGHPASS FILTERS Frequency Response of R-C circuits: Bode Diagrams PURPOSE: The main purpose of this lab is to utilize frequency filters in series and parallel circuits. Filters could be “low pass” or “high pass”. Low pass filters allow signals lower than a certain cutoff frequency to pass. High pass does the opposite. Ideally, filters should cut the frequency as soon as it passes the cutoff value or allow the signal after that value. However, filters do have some marginal range in which the signal starts to weaken or strengthen and it’s called the transition band. Similarly, the range a filter allows a signal to pass is called the high band and to disallow is called a low band. Equipment 1 Frequency Generator 1 DVM (Multimeter) Resistors, Capacitors, and Inductors Preliminary Work a) Derive the exact equation for V o /V s for the circuit of Fig. 5.1 and find an expression for the cutoff frequency ϖ c . Using semilog paper, plot the frequency response (magnitude vs . frequency) of the filter up to 10 f c using the specified component values. Plot the horizontal axis for frequency on a logarithmic scale and the vertical axis for magnitude |V o /V s | (dB), on a

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This note was uploaded on 09/05/2010 for the course EE 204 taught by Professor Qatim during the Spring '10 term at Abant İzzet Baysal University.

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EEN 204 Lab Report 5 (filters) - UNIVERSITY OF MIAMI...

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