Passive Filter Technologies Compared: LC, Ferrite, Feedthrough, Ceramic, Cavity, Microstrip, SAW and BAW

Assorted EMI and RF filter components: common mode choke, ferrite beads, feedthrough filter, X2 capacitor, cavity filter, ceramic coaxial resonators, thin-film filter and SAW/BAW packages

6.11.2026

3

Choosing a passive filter technology starts with one question: is the filter meant to keep unwanted energy out of a...

Designing 800 V DC EMC Filters: Calculation, Simulation and Measurement

6.11.2026

606

The move toward 800 V DC power architectures is forcing EMC filter design to become more rigorous, not just in...

Qi2 Wireless Charging: Inductors, Capacitors and EMC Filters

21.5.2026

270

Qi2 wireless power is pushing classic power‑electronics issues—EMC, magnetics and filter design—into very compact, consumer‑grade hardware. This Würth Elektronik webinar...

3-Phase EMI Filter Design, Simulation, Calculation and Test

6.11.2026

3.5k

3-phase EMI filters reduce conducted common-mode and differential-mode interference when their components, topology and installation are designed around the actual...

EMI Noise Mitigation in Automotive 48V Power Supply Systems

31.8.2026

386

This article based on TDK blog article discus a technical perspective of EMI electromagnetic noise mitigation in automotive 48v power...

Improving Common Mode Noise Reduction while Decreasing BOM

6.11.2026

219

Common-mode noise from isolated power modules and digital isolators can be diverted past the measurement network with a capacitor across...

Role of Filters in Expanding Bandwidth for Electronic Warfare

19.12.2024

193

This article based on Knowles Precision Devices blog explains the role of filters in expanding bandwidth for electronic warfare receivers. Electronic warfare...

EMI Filters in Power Electronics

1.8.2024

605

This article based on Knowles Precision Devices blog explains role of EMI Filters in power electronics. As power conversion systems evolve to leverage...