International EMC standards can be confusing to the newcomer. The IEC has posted a chart as to how the various standards organizations are organized. The first level of organization is the committees, such as TC77, CISPR, and various product committees. These committees have liaisons with associated standards organizations, such as ISO, ITU, CENELEC, and many others. Many of … [Read more...]
New Filters for Asynchronous Motor Control
TDK recently announced a new line of filters designed expressly to filter the frequency converters for asynchronous motor controllers. High frequency noise emissions from these frequency converters has become more of an issue as older motor technology is replaced with the newer variable speed - variable frequency motor controller systems. The EMI from these can cause … [Read more...]
New High-Speed CAN Transceiver Families With High EMC Performance
TI recently announced two new families of controller area network (CAN) transceivers that meet all industry standards for EMC from both U.S. and European auto manufacturers. Key features include compliance to SAE J2962, European IBEE, CISPR 22, IEC 61000-4-6 up to 10V IEC 61000-4-4 Criteria A to ±4kV, and IEC 61000-4-3 from 80 MHz to 2.7 GHz and 100 V/m. Even more … [Read more...]
Blue Guide for EU Product Rules Available
The European Union’s (EU) “Blue Guide” describes general rules for placing electronic products on the market within the EU. It describes how the EU regulates the free movement of goods, when the harmonization rules apply, the product supply chain and their obligations, product requirements, conformity assessment, and accreditation. The document goes on to describe how market … [Read more...]
EMI Suppression Filters Available
Chilisin Electronics Corp. offers a wide range of surface mount power and signal ferrites and common mode chokes. Korean company Chilisin was established in 1972 and specializes in inductor and filter manufacturing. Their web site has several useful application notes on a wide range of fields, as well as several tools for simulating ferrite performance. To view their … [Read more...]
Multi-Clock Comb Generator Finds PDN Sensitivities and EMI
Picotest has recently announced their USB multi-clock comb generator, the J2150A, designed to ferret out resonant sensitivities in your power delivery network (PDN). The J2150A is a troubleshooting tool to help reveal resonances in power bus and power supply circuitry. It’s also very useful as an EMC/EMI troubleshooting tool and can also help identify EMI resonances that may … [Read more...]
New EMI Shielded Vents and Filters
Tech-Etch has EMI Shielded Honeycomb Vents, Fan Vents, Quiet Vents, and Air Filters from prototype to high volume in all shapes and sizes available now. Their in-house plating improves shielding effectiveness and environmental protection, while providing fast turnaround. Many RoHS compliant finishes are available. Honeycomb Vents are offered in both standard and custom … [Read more...]
UK’s Decision to Regulate Interference from Apparatus
In the UK, Ofcom has decided to issue new regulations for wireless telegraphy. Wireless Telegraphy (Control of Interference from Apparatus) Regulations 2016 is intended to tackle undue interference from electrical and electronic apparatus. In most cases, electrical and electronic apparatus are capable of emitting electromagnetic energy, but is minimal. However, in some cases … [Read more...]
New Radio Equipment Directive
As more products include wireless technology, designers need to specify wireless modules that meet the new Radio Equipment Directive (RED) 2014/53/EU, which was published on April 16, 2014. On June 13, 2016, the new Directive will become law and all products within its scope must meet the RED. To learn more, click here. … [Read more...]
Company Acquisition to Lead to Expanded EMC Services
TÜV SÜD is expanding its service offering in the area of electromagnetic compatibility (EMC) measurements by acquiring Global EMC Inc. in Canada. Established in 2000, the company is located north of Toronto in the Canadian province of Ontario. The acquisition will expand TÜV SÜD’s market presence in North America and enable the company to meet the increasing demand for EMC … [Read more...]
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