USA-based Laird Technologies, known as a global source of EMI shielding and performance-critical products for wireless technologies, dedicated its new manufacturing facility in the Nokia Telecom SEZ (special economic zone) in Sriperembudur near Chennai. Laird Technologies is a unit of UK-based Laird Group PLC and employs over 14,000 workers in 14 countries around the globe. … [Read more...]
CISPR EMC Standard on Vehicles, Boats, and Internal Combustion Engines
CISPR 25 Ed. 3 (2008-01) is entitled "Vehicles, boats, and internal combustion engines -Limits and methods of measurement for the protection of on-board receivers" CISPR 25:2008 contains limits and procedures for the measurement of radio disturbances in the range of 150 kHz to 2500 MHz. This standard applies to any electronic/electrical component intended for use in vehicles, … [Read more...]
Appeals Court Holds That FCC Erred in Its Rulemaking on BPL Interference
Last Friday, the U.S. Court of Appeals for the District of Columbia issued a ruling that the Federal Communications Commission (FCC) had erred in rulemaking concerning broadband-over-power line (BPL) technology. Over two years ago when setting rules for BPL operators, the FCC espoused a policy encouraging deployment of a so-called "third-pipe" as a way to speed broadband access … [Read more...]
Solderless Connections Test Methods Standard
IEC 60352-5:2012 is applicable to solderless press-in connections for use in telecommunication equipment and in electronic devices employing similar techniques. The press-in connection consists of a termination having a suitable press-in zone which is inserted into a plated-through hole of a double-sided or multilayer printed board. Information on materials and data from … [Read more...]
Nokia Patents Vibrating Tattoos
Nokia has filed a U.S. patent for a magnetic vibrating tattoo. According to the patent application, Nokia is proposing “a material attachable to skin, the material capable of detecting a magnetic field and transferring a perceivable stimulus to the skin, wherein the perceivable stimulus relates to the magnetic field.” Learn more from the Wall Street Journal. … [Read more...]
CISPR 32: New International Standard on Electromagnetic Emissions from Multimedia Equipment
In late 2011, The International Standards Commission's (IEC's) Special Committee on Electromagnetic Interference (CISPR) passed a Final Draft International Standard (FDIS) which had been under development for a number of years. The FDIS was actually developed by CISPR's Subcommittee I - Electromagnetic Compatibility of Information Technology Equipment, Multimedia Equipment … [Read more...]
The Urgent Need to Integrate EMC and Product Safety into Engineering Curriculum of Technical Universities
There is an evolution in the study of electromagnetic field effects on electrical and electronic products and systems. It is progressing from an engineering art to an engineering science. The complexity and sophistication of newer technology products has added to an increased need for more consideration of EMC and Product Safety issues. These factors have increased the … [Read more...]
High Density Active EMI Filtering for DC-DC Converters
Vicor Corporation has introduced the Picor QuietPower® QPI-21 High Density Active EMI Filter for DC-DC converters. Supporting 48V DC-DC converter designs up to 14A for data communications and telecommunication applications, the QuietPower QPI-21 provides >99.5% efficiency. The QuietPower QPI-21 is packaged in a high density, one-square-inch Land Grid Array (LGA) surface … [Read more...]
Flexible Low-Side Gate Driver Enables High Efficiency and Power Density
Texas Instruments Incorporated introduced a low-side gate driver for use with MOSFETs and Gallium-Nitride (GaN) power field-effect transistors (FETs) in high-density power converters. The new LM5114 drives GaN FETs and MOSFETs in low-side applications, such as synchronous rectifiers and power factor converters. Together with the LM5113, a 100-V half-bridge GaN FET driver, the … [Read more...]
Private Labeled Test & Measurement Cables
MegaPhase is pleased to announce Private Labeled Test and Measurement (T&M) Cables feature vertically-targeted test cables through 70 GHz for telecom, semiconductor, spacecraft and C4ISR test sets using hand-held equipment, vector network analyzers, spectrum analyzers, probe stations, EMC and environmental test chambers. Learn more from MegaPhase. … [Read more...]
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