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 ...
EDN

Include the op amp gain bandwidth product in the Rauch low-pass active filter performance equations

Editor’s note: My good friend and long-time colleague, Michael Steffes, expands upon my introduction article, Rauch filter basics, and adds some very useful and practical insights into the Rauch ...
Electronic Design

Four-Channel Digitally Tunable RF-Filter IC Spans 0.5 to 9 GHz

Analog Devices’ ADMV8809 is a fully monolithic microwave IC (MMIC) that features digitally selectable operating frequencies and functions as a single-chip replacement for discrete filter banks. It’s ...
Hackaday

Beginner Concepts: Using A Low-pass Filter To Smooth PWM Output

Microcontrollers are digital devices at heart. They can do fancy things like convert analog signals into a digital value but going the other direction is a bit tougher. Pulse-Width Modulation is used ...
Science Daily

World's smallest on-chip low-pass filter developed

A research team from Singapore has successfully designed the world's smallest on-chip low-pass filter which is 1,000 times smaller than existing off-chip filters. A research team from Nanyang ...