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Unformatted text preview: Lab-in-a-Box Experiment 27: Passive Filters Name: ______________________ Pledge: _____________________ ID: ______________________ Date: ______________________ Procedure + 0.1u Vin 1Vac 0Vdc 1k Vin 1Vac 0Vdc (a) 0.1u Vo 100m 1 2- (b) 4.7k- + Vo Figure 1: Circuit diagram for (a) a highpass passive filter and (b) a bandpass passive filter. Analysis: 1. Calculate the cutoff frequency and the center frequency for the highpass and bandpass filters shown in Figure (a) and (b), respectively. Give the answers in terms of both and f . 1 of 2 2. Using your choice of scientific graphic programs (e.g., Excel, MatLab, Derive, etc.), plot the magnitude and phase Bode plots for each filter from 60 Hz to 3 kHz. Do not plot any data points; show only a line through them. Save these graphs for use in steps 9 and 13. A MATAB program that serves as a template for preparing this plot is given in appendix D.1. The program may be downloaded from the text WWW site at http://www.wiley.com/college/Hendricks....
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This lab report was uploaded on 04/10/2008 for the course ECE 2074 taught by Professor Stilwell during the Fall '08 term at Virginia Tech.
- Fall '08