EDN

Active EMI filters liberate pc-board space

Devices offer up to 80% space reduction over passive solutions The QPI-3, QPI-5, and QPI-6 active EMI filters measure 25.4 x 25.4 x 5.1 mm�a space savings of 50% to 80% over passive EMI filter ...
EDN

Active EMI filter for telecom designs

North Smithfield, R.I. — The QPI-4 active EMI filter has been crafted for 48-V DC/DC converter designs housed in telecommunication equipment. This filter delivers a 150 kHz to 30 MHz attenuation range ...
IEEE

Digital Active Filters for Suppression of Predictable Common Mode EMI of Power Electronic Systems

Abstract: In many new power electronic systems higher switching frequencies and steeper switching slopes could be realized, resulting in higher efficiency and power density. This leads to increased ...
Seeking Alpha

TI pioneers the industry's first stand-alone active EMI filter ICs, supporting high-density power supply designs

DALLAS, March 20, 2023 /PRNewswire/ -- Texas Instruments (TXN) today debuted the industry's first stand-alone active electromagnetic interference (EMI) filter integrated circuits (ICs), enabling ...
Electronic Design

Active EMI Filter for Telecom Bus Market

Picor, a subsidiary of Vicor Corp., has introduced the QPI-4 active EMI filter for 48 V dc-dc converter applications. Providing attenuation from 150 kHz to 30 MHz, the QPI-4 delivers over 40 dB of ...
Electronic Design

Radical Approach: Active EMI Filter IC Shrinks Higher-Power AC-DC Supplies

A new IC-based approach to EMI filtering in ac-dc power subsystems dramatically cuts inductor size and offers other benefits as well. The nature of the EMI problem in ac-dc supplies and its ...