July 2017
Beginner
484 pages
13h 26m
English
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Chapter 16
Active Filter Design Techniques
Abstract
A very common application of op amps is filtering the signal to remove unwanted frequency components. There are different techniques of doing this from the mathematically involved transfer equation method to graphical methods to tabular methods. The transfer equation method for low-pass, high-pass, band-pass, band reject, and all-pass filters are presented.
Keywords
All-pass filter; Band-pass filter; Band reject filter; Bessel; Butterworth; Filter coefficients; High-pass filter; Low-pass filter; Transfer function; Tschebyscheff
16.1. Introduction
What is a filter?
A filter is a device that passes electric signals at certain frequencies or frequency ranges while preventing the passage of others.
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.