July 2017
Beginner
484 pages
13h 26m
English
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Chapter 18
High-Speed Filters
Abstract
High-speed op amps have given rise to high-speed band-pass filters. While the design techniques remain the same, the open-loop response of the op amp gives rise to some interesting, but troubling, limitations to what can be done in the design of an active filter.
Keywords
Frequency shift; Gain compression; High-speed filters; Open-loop response
18.1. Introduction
Once the exclusive domain of passive filters and discrete components, op amps have progressed to the point where they can be considered for high-frequency filter design. At high speeds, however, filter design gets particularly challenging. The main limitation of high-speed op amp filter design comes from the op amp open-loop bandwidth. You may remember ...
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