Instrumentation and Circuits Laboratory
College of Electrical and Computer Engineering
Georgia Institute of Technology
ECE 3041 L08 (Thursday @ 3 – 6pm)
Lab VII
Passive RC Filter Circuits
Student:
Harold Louis Belyeu, Jr.
Teaching Assistant:
Ezra Yon Miksic
Project completed: March 27, 2000
Report submitted: March 29, 2000
Objective
The objective of this experiment was to analyze filters implemented with resistors and capacitors. The filters examined in this experiment include the first, second, and third order unity-gain high pass filter and a high-pass shelving filter. Each unity-gain high pass filter was designed using a frequency created by the birth date of the experimenter. The high-pass shelving filter was designed with a frequency given by the professor.
Theory
A filter is defined to be a network for which the complex transfer function is a function of frequency. This experiment focused on two different types of filters. The first filter was a unity-gain high pass filter. It is defined by
|T(jw)| = { KH f *fc
{ 0 f*fc
where KH is the gain when f = ?. This is known as the high-pass filter because it passes the higher frequencies and not the lower frequencies.
The second filter used was the high-pass shelving filter. The ideal high-pass shelving filter has a gain of KL at low frequencies and a gain of KH at high frequencies where KH * KL. At f = fc the gain abruptly changes from KL to KH. The gain is finite at both f = 0 and f = ?.
Table of Contents
1. Objective????????????????????????..1
2. Theory?????????????????????????..1
3. Procedure????????????????????????.2
4. Calculations??????????????????????.?6
5. Conclusion???????????????????????…7
6. Appendix???????????????????????.?8
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