Class D - In Compliance Magazine

Amplifiers where the output is a switching waveform, at a frequency far higher than the highest audio signal that needs to be reproduced.

New CCC Regulations in China
Passive Filters Can Be Unconventionally Saturated
Usually HF filters are designed using inductors with cores. In this way a medium/high inductance value is obtained in small size components. But using cores has a limitation.
Bulk Current Injection (BCI) – Substitution Method and Closed-Loop Method with Power Limitation
This column explores the conducted immunity test known as a Bulk Current Injection (BCI) test, according to ISO 11452-4 specification.
Banana Skins – July 2018 (#68-78)
We regularly receive requests from readers to publish stories about real EMI/EMC problems faced by real engineers.
Evaluation of EMC Emissions and Ground Techniques on 1- and 2-layer PCBs with Power Converters
This is the first of a series of articles devoted to the design, test, and EMC emissions evaluation of 1- and 2-layer PCBs that contain AC/DC and/or DC/DC converters and employ different ground techniques.