EDN

Filter banks, part 1: Principles and design techniques

Part 2 shows how to optimize filter banks using high-level synthesis tools, and reviews the results of each optimization. Filter banks are part of a group of signal processing techniques that ...
EDN

Signal Chain Basics #126: How to design active filters with different response types using circuit-transfer function equations

Editor’s note: I am proud to bring you this article authored by both Collin Wells, Applications Manager, General Purpose amplifier products, Texas Instruments and Gustaf Falk Olson, Field Applications ...
Electronic Design

Understanding EMI Filters: The Bare Essentials

Rules and standards regarding noise and EMI. The basic facts about, and causal factors of, EMI. How to implement an EMI filter in a design. Before we discuss electromagnetic-interference (EMI) filter ...
Hackaday

Don’t Fear The Filter: Cascading Sallen-Keys

In the last edition of Don’t Fear the Filter, we built up two examples of the simplest and most-used active filter of all time: the two-pole Sallen-Key lowpass. This time, we’re going to put two of ...