In this article, I’ll describe the steps I usually take to troubleshoot the top four EMI issues, conducted emissions, radiated emissions, radiated immunity, and electrostatic discharge. Of these, the last three are the most prevalent issues, with radiated emissions typically being the number one failure. If your product or system (EUT) has adequate power and I/O port filtering, … [Read more...]
Shielding
New Series of Vector Network Analyzers Released
Legendary support and quality meet ease-of-use and affordability. The Tektronix TTR500 Series 2-port, 2-path vector network analyzer is our latest breakthrough – an unmatched combination of measurement performance and convenience at 40% lower price than leading benchtop alternatives! It’s used to measure filter and antenna response, as well as shielding effectiveness, as … [Read more...]
Military EMI/RFI Shielding Products Available
Tech-Etch manufactures a variety of EMI Shielding products for critical military and aerospace applications. Supershield is a silicone elastomer filled with conductive metal particles to provide high EMI shielding effectiveness plus an environmental seal. The Supershield family uses eight basic conducting media with material specifications to MIL-DTL-83528. It can be supplied … [Read more...]
New EMI Shielding Quiet Vents Available
Tech-Etch manufactures EMI Shielded Quiet Vents from prototype to high volume requirements. In-house plating improves shielding effectiveness and environmental protection, while providing fast turnaround. 8300 Series Quiet Vents are designed to provide high EMI shielding ratings of up to 90 dB attenuation. Shielding performance is achieved from two ¼-inch thick honeycomb … [Read more...]
EMI Shielding Quiet Vents Available Now
Tech-Etch manufactures EMI Shielded Quiet Vents from prototype to high volume requirements. In-house plating improves shielding effectiveness and environmental protection, while providing fast turnaround. 8300 Series Quiet Vents are designed to provide high EMI shielding ratings of up to 90 dB attenuation. Shielding performance is achieved from two ¼-inch thick honeycomb … [Read more...]
New High Current Shielded Power Inductors Introduced
Coilcraft's SER1400 Series High Current Shielded Power Inductors are designed for high current power supply applications, and AEC-Q200 Grade 1 (−40°C to +125°C) — SER1412 only. They come with flat wire windings for exceptionally low DCR, and have specially formed terminations to provide a small footprint. Versions for high Isat applications and high Irms applications are … [Read more...]
Finger Stock EMI Shielding Gaskets Offered with Interactive Sales Drawings
EMI shielding BeCu finger stock gaskets from Tech-Etch are offered in over 100 standard profiles. Downloadable interactive sales drawings allow the user to modify the strips to their exact requirements. Beryllium copper's mechanical and electrical properties make it the ideal material for EMI/RFI shielding, with over 100db attenuation. BeCu offers maximum spring properties for … [Read more...]
Shielded Inductor Delivers 20dB Electric Field Reduction at 1cm
Vishay Intertechnology has released a commercial version of its Automotive Grade IHLE series of low profile, high current inductors featuring integrated e-shields for EMI reduction. Available in the 2525, 3232, and 4040 case sizes, the Vishay Dale IHLE-2525CD-51, IHLE-3232DD-51, and IHLE-4040DD-51 contain the electric field associated with EMI in a tin-plated copper … [Read more...]
Configurable PDF Sales Drawings Offered For Download To Assist In Board Level Shielding Design Process
Tech-Etch offers downloadable interactive PDF sales drawings that let the user design standard 1-piece, 2-piece, or low-profile board level shields. The user simply fills in required dimensions and then chooses available options to complete the drawing, such as surface or through hole mounting, materials, and finish. PDFs are available for economical, standard one-piece … [Read more...]
New BSP Kits to Save Development and Testing Time
Leader Tech's BSP Kit contains all of the components that you need to quickly create a one or two piece, production-quality circuit board shield without requiring special tools or experience. Develop surface mount prototype shields with the included CBS fences, Tech Clips and SMS covers as well as customizable cover materials. Full production quantities of your completed … [Read more...]
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