Second-order IIR Filters will support cascade implementations - 5 Part digital audio application tutorial Design How-To 7/1/2003 3 comments It is possible to implement IIR filters of any order by cascading first- and second-order IIR sections. Today, as digital audio processors embodying this topology becomes commonplace in the market, the designer's challenge is to find a way to design coefficients for these to accomplish the overall filtering goal. This multi-part article series - by the knowledgeable and prolific Rusty Allred - brings together the basic information needed to design and implement a wide variety of audio filters. P
Replay available now: A handful of emerging network technologies are competing to be the preferred wide-area connection for the Internet of Things. All claim lower costs and power use than cellular but none have wide deployment yet. Listen in as proponents of leading contenders make their case to be the metro or national IoT network of the future. Rick Merritt, EE Times Silicon Valley Bureau Chief, moderators this discussion. Join in and ask his guests questions.