Adding to its line of standard MIL-DTL-55116 capacitive filtered audio connectors, Spectrum Control is offering an updated device that includes ESD protection up to 8 kV direct discharge and 15 kV air discharge. These EMI-filtered/ESD-protected connectors are well suited to aviation, communication, and security applications in which an electronic system using the audio … [Read more...]
More Connector Products
100-Position PCB Connector Include EMI Protection The MDM PCB connector from ITT Interconnects is a microminiature connector capable of providing 100 signals in a lightweight, compact package. This connector features contact pitch spacing of 0.050″ and provides maximum signal density for applications where PCB space is at a premium. EMI shielding has been integrated into this … [Read more...]
Curtis Industries Acquires Filter Networks
Milwaukee, WS-based Curtis Industries has acquired the electromagnetic interference filters and filtered connectors product lines of Filter Networks of Salisbury, MD. Curtis, a manufacturer of electromagnetic interference filters and wire interconnect terminal blocks, is a division of Power Holdings, Inc. of Milwaukee. Founded in 1935, Curtis operates a plant at 2400 S. 43rd … [Read more...]
Lithium-zinc Ferrite for the Suppression of Electromagnetic Noise
Studies show that Li-Zn ferrites can successfully suppress EMI N.C. Joshi, S.S. Islam, Ph.D., Jamia Islamia University Jamia Nagar Anjali Verma, Ph.D., Indian Institute of Technology New Delhi, India Recent technological development has been characterized by an unprecedented proliferation of digital technology in information and communications equipment. The worldwide … [Read more...]
Achieving More Accurate Measurement of Conducted RF Emissions Using Modified AMNs
Measurement uncertainty for common-mode disturbances can be reduced from about 22 dB to a maximum of a few dB Mart Coenen, Philips Applied Technologies Eindhoven, the Netherlands Introduction In early 1980, extensive discussions were held within the IEC CISPR/A working group regarding the definition of the impedance characteristics and the RF emission limits attained via the … [Read more...]
Building a State-of-the-Art 5-Meter Chamber
An efficient shield room for automotive testing progresses from design to finished structure Michael Koffink, Bob Mitchell Intertek ETL Semko Littleton, MA Four years ago, we noticed a growing demand for EMC testing from the automotive industry. As cars and trucks now feature myriad on-board electronic devices, they are increasingly susceptible to stray emissions while … [Read more...]
Reverberation Chamber for EMC Testing
The reverberation chamber provides the most realistic simulation/equivalency for electronics functioning within a cavity Er-Ping Li, Ph.D.; Xing-Chang Wei, Ph.D., Electromagnetic Labs, Singapore National Institute of High Performance Computing Singapore Introduction The problem is familiar, but growing. The widespread and ever-growing use of electronic devices with high-speed … [Read more...]
Enclosure Suppresses EMI in Military Airborne Configurations
A highly ruggedized system enclosure from One Stop Systems (OSS) targets military and airborne applications. Constructed of solid seam-welded aluminum, the 11U high enclosure measures 19″ (H) x 25″ x 17″ (W) and weighs 56 pounds. It contains a 3U 15-slot CPCI backplane and features a “floating card that sits within the enclosure and is surrounded by four banks looped cable … [Read more...]
Enclosure Suppresses EMI in Military Airborne Configurations
A highly ruggedized system enclosure from One Stop Systems (OSS) targets military and airborne applications. Constructed of solid seam-welded aluminum, the 11U high enclosure measures 19″ (H) x 25″ x 17″ (W) and weighs 56 pounds. It contains a 3U 15-slot CPCI backplane and features a “floating card that sits within the enclosure and is surrounded by four banks looped cable … [Read more...]
Expanded Filter Family Assures EMC Compliance in High Power Applications
The new FN 3280 from Schaffner has been expanded for use in higher power applications with new sizes including 300 A, 400 A, and 600 A. The new high-performance EMI filters are well suited to use in large industrial machines and plants with numerous motor drives, long motor cables, and high interference levels—as well as inverter and converter applications such as UPS … [Read more...]
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