August 2012
Intermediate to advanced
608 pages
17h 15m
English
Content preview from The Design of Active CrossoversBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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CHAPTER 7
Lowpass & Highpass Filter Characteristics
Active filters are the building blocks of active crossovers. Filter design is an enormous subject, and it is of course quite impossible to cover even its audio aspects in a single chapter. There are many excellent and comprehensive textbooks on filters [1–3], and there would be no point in trying to create another one here. This chapter shows how to put together the blocks that make up a filter, but the design of each block to component-value level is covered in Chapter 8.
Filter design is at the root highly mathematical, and it is no accident that popular filter characteristics such as Bessel and Chebyshev are named after mathematicians, who usually did not live long enough to see their mathematics ...
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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.