HBM’s high-speed instrumentation development team in The Netherlands has won a CE Design Award for work on its ISOBE7600 high-voltage measurement subsystem. The award was presented by DARE!!, a Dutch company which specializes in product certification for electromagnetic compatibility and electrical product safety. In its citation, DARE!! praised the quality of the ISOBE7600’s … [Read more...]
Westinghouse Installs Electromagnetic Compatibility Testing Chamber
Westinghouse Electric Company recently completed the installation of its semi-anechoic electromagnetic compatibility chamber to support the company’s Equipment Qualification group at its New Stanton, Pa., facility. The addition of the semi-anechoic chamber will provide EMC test capabilities to ensure that instrumentation and control, electronic and electrical equipment meets … [Read more...]
Differential Transfer Impedance of Shielded Twisted Pairs
Michel Mardiguian, EMC Consultant, Saint-Rémy-lès-Chevreuse, France The concept of Shield Transfer Impedance (Zt), introduced by S. Schelkunoff in 1934, is a very convenient parameter for the prediction and control of EMI coupling through cable shields. Although widely applied to coaxial cables against EMI susceptibility problems, the Zt parameter can be easily extended to … [Read more...]
Effective EMC Troubleshooting with Handheld Probes
EMC testing is an unavoidable part of the development cycle for electronic products. As clock frequencies continue to increase, radiated emissions get harder to control. In an ideal world, the R&D engineer would test the emissions from his product early in the design stage and retest frequently as design changes were made, just ass he tests whether his product meets its … [Read more...]
TÜV SÜD America Expands EMC Testing Capabilities
TÜV SÜD America recently announced the addition of Electromagnetic Compatibility Testing in a 10-meter EMC chamber in Rancho Bernardo, Calif. The facility will expand TÜV SÜD’s ability to provide transmitter and other wireless communications testing for a wide variety of products with customers in IT, telecom, automotive, military, aerospace, medical electronics, lab … [Read more...]
New Solid-State Amplifiers from AR Pack More Power into Smaller Packages – Free Datasheet
AR RF/Microwave Instrumentation has introduced a family of new solid-state amplifiers that are more compact, more efficient, and more powerful than previous models. The new “S” Series covers 0.8 – 4.2 GHZ and powers up to 800 watts. These models employ a new design that delivers more than twice the power of older models. With these improvements, AR has maintained the superior … [Read more...]
Field Generation Test System Is Fully-Shielded To Prevent EMI Interference
AR RF/Microwave Instrumentation has designed a complete field generation test system that is fully shielded, making it ideal for use in an anechoic chamber without being susceptible to or causing interference.Model AS18013 houses a variety of field generation equipment in two air-conditioned EMI-shielded equipment racks. Among the included equipment is the SC1000M3 system … [Read more...]
IEEE to Develop Corrigendum to Standard for Wireless Interfaces
The IEEE has approved work to begin on a corrigendum to change the normative references and update an earlier standard, IEEE 1451.5™, "Standard for a Smart Transducer Interface for Sensors and Actuators - Wireless Communication Protocols and Transducer Electronic Data Sheet (TEDS) Formats."The project -- IEEE P1451.5-2007/Cor 1 -- is sponsored by the Sensor Technology Committee … [Read more...]
Shielded Plastic Connectors Meld Advantages of Metal, Plastic
Amphenol’s new carbon fiber filled plastic C16-3 EMI connector is touted to offer EMI shielding and can be used in applications that previously required metal connectors.The C 16-1/16-3 Series connectors are used in a wide variety of industries and equipment. Some of these include industrial machines and controls, data processing, instrumentation and test equipment, medical … [Read more...]
Conductive Optical Grids Provide Optical EMI/RFI Shielding
Dontech’s Optical Fine Wire (OFW) and Micro EMI-Mesh (MEM100) conductive optical grids provide optical EMI/RFI shielding of electronic displays, instrumentation and enclosures. The OFW mesh is constructed of woven and conductively plated fine-wire stainless steel and copper; the MEM100 series is made of etched and blackened copper.Learn more from Dontech. … [Read more...]
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