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Interference Technology

For EMI / EMC Engineers

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Surface Scan on IC Level with High Resolution

 

Measuring of near field above ICs or open DIEs with precisely positioned microprobes is a new tool for engineers to detect and solve EMI levels. Jörg Hacker, Langer EMV-Technik GmbH, Bannewitz, Germany ABSTRACT Today, engineers have less time to develop electronic circuits. The time to market is getting shorter and the requirements on the products are increasing. It means … [Read more...]

Egregious Errors in Electromagnetic Radiation Evaluation

 

Reasons for widely differing results in commercial radiated emission measurements. MIL-STD-461 RADIATED EMISSION MEASUREMENTS In 1967, the first version of MIL-STD-461 was introduced. Radiated emission measurements were allowed outside of a shielded room but due to the low levels of radiated emission limits, compared to an average ambient, measurements were invariably made … [Read more...]

Company Receives Validation for Low Contact Resistance

 

UL Environment recently presented an Environmental Claims Validated Mark (ECV) to Positronic, which will aid power connector users in evaluating contact efficiency as it relates to energy consumption. The ECV lists the average contact resistance for Positronic’s VPB series size 16 power contacts at less than one milliohm each. This low contact resistance is achieved by use of … [Read more...]

Intel Concerned with EMI’s Effect on Cable Speed

 

Intel plans to introduce new technology in a few months that could keep broadband speed racing along for years with a switch to fiber optics. Why the change? Intel says today’s electrical cables are approaching speed limits due to electromagnetic interference, which can disrupt what’s being transmitted.Read more at MercuryNews.com. … [Read more...]

Pulse Probe Approved For FORD-EMC-CS-2009 Specification

 

AR/RF Microwave Instrumentation has the distinction of having the only commercially availablepulsed E-field probe that is approved by name in the new FORD-EMC-CS-2009 specification. The new specification, which addresses the pulse e-field probe method calibration for ALSE method bands 6 & 7, singles outAR Model PL7004 (800 MHz – 3.6 GHz / 80 – 800 V/m)as the only commercial … [Read more...]

Electronics Experts Debunk Toyota Claims

 

When it comes to sudden acceleration, automakers claim absence of a detectable fault proves absence of design defect. Not true, said a panel of electronics experts who gathered Tuesday at the National Press Club in Washington, D.C., to demystify some of the electronics issues they say are likely responsible for Toyota – and other automakers -- sudden acceleration … [Read more...]

Selecting the Right RF Coaxial Connector and Cable

 

RF coaxial connectors and cables provide a vital link within the communications, EMC test and measurement, commercial and military fields. Although there are a variety of RF coaxial connectors, they are characterized by a few key parameters. An article in Dataweek shows how these characteristics, along with connector durability and cost, must be considered in light of the … [Read more...]

Scope of EN 61000-4-8:2010 Extended to Cover 60 Hz

 

EC 61000-4-8:2009 relates to the immunity requirements of equipment, only under operational conditions, to magnetic disturbances at power frequencies 50 Hz and 60 Hz related to: - residential and commercial locations; - industrial installations and power plants; - medium voltage and high voltage sub-stations. The applicability of IEC 61000-4-8:2009 to equipment installed in … [Read more...]

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