IEC 61000-4-17 Ed. 1.2 (2009-01) is “Electromagnetic compatibility (EMC) – Part 4-17: Testing and measurement techniques – Ripple on DC input power port immunity test.” This standard defines test methods for immunity to ripple at the DC power port of electrical or electronic equipment. It applies to low-voltage DC power ports of equipment supplied by external rectifier systems … [Read more...]
AR Application Note #40A: Subampability
AR’s amplifier experts have offered an Application Note #40A on Subampability, denoting the option of adding more power to existing amps. This unique term and concept developed by AR ranked as one of the top ten downloads during 2008.Check it out now. … [Read more...]
Corrigendum on Emissions Requirements for Household Appliances
CISPR 14-1 Ed. 5.0 (2009-01) is “Corrigendum 1 – Electromagnetic compatibility – Requirements for household appliances, electric tools, and similar apparatus – Part 1: Emission.”For more information, or to order this standards go to the IEC website. … [Read more...]
Limits and Measurement of RF Disturbance to On-Board Receivers
CISPR 25 Ed. 3.0 (2009-01) is “Corrigendum 1 – Vehicles, boats, and internal combustion engines –Radio disturbance characteristics – Limits and methods of measurement for the protection of on-board receivers.”For more information, or to order this standards go to the IEC website. … [Read more...]
AR Forms AR Europe to Enhance Service to Customers throughout the European Marketplace
AR, a recognized leader in testing and communications solutions for EMC, wireless and beyond, has announced the formation of AR Europe. The new division has been created to enable the company to better serve the diverse needs of its customers throughout the European marketplace.According to Donald “Shep” Shepherd, Chairman of AR, “We’re serious about our commitment to serve … [Read more...]
Shielded Power Cable Systems Standards Available on CD-ROM
The IEEE Standards Association has announced that all four critical IEEE standards covering shielded power cable systems is now available on CD-ROM. This convenient product includes: · IEEE 400™–2001 IEEE Guide for Field Testing and Evaluation of the Insulation of Shielded Power Cable· IEEE 400.1™–2007 IEEE Guide for Field Testing of Laminated, Dielectric, … [Read more...]
Text Covers Advanced Materials and Design for EMI Shielding
Advanced Materials and Design for Electromagnetic Interference by Colin Tong of Laird Technologies is a recent release from CRC Press. Exploring the role of EMI shielding, this book introduces the design guidelines, materials selection, characterization methodology, manufacturing technology, and the future potential of EMI shielding. It reviews effective shielding measuring … [Read more...]
Low-Profile Gaskets Offer Attenuation up to 100 dB
The 60P21 and the 125G32 from Tech-Etch, Inc. are low-profile BeCu gaskets that offer shielding effectiveness up to 100 dB attenuation. These gaskets measure a compact 0.080 inch high, and stick-on mounting provides fast, reliable installation. These products may be used at ambient temperatures from -67 degrees F to +300 degrees F. These gaskets are well suited to … [Read more...]
Form-in-Place Gaskets Feature Special, Silicone-Based Pastes
EMI Sentry™ from Laird Technologies is a new family of form-in-place gaskets consisting of SNK55-RXP, a silicone with silver/copper that cures at room temperature; SNK60-HXP, a silicone with silver/copper that cures in an oven; SNL60-RXP, a silicone with silver/aluminum that cures at room temperature; and SNL70-HXP, a silicone with silver/aluminum that cures in an oven. These … [Read more...]
RF Shield Incorporates Etched Slot to Minimize Leakage
The patented “Easy Access” RF shield from Photofabrication Engineering, Inc. (PEI) incorporates an etched slot that is straight or staggered to minimize RF leakage. The tab connecting the lid to the RF shield can be easily snipped for access and then can be re-soldered in seconds for minimal downtime. Covers are manufactured from SAE 1010 with solder plating and can be bent … [Read more...]
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