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Interference Technology

For EMI / EMC Engineers

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Bypassing Interference Opportunistically

 

European researchers working on a project funded under the ICT (Information and Communications Technology) strand of the European Union’s Sixth Framework Programme have developed ORACLE (Opportunistic Radio Communications in unlicensed Environments) that would make handsets actively manage how and when they access a network. This pioneering approach promises to minimize … [Read more...]

ESD/EMI Device Protects Smartphone SIM Card Interfaces

 

The EClamp™2465T from Semtech Corporation is a combination EMI filter and line termination device with integrated TVS diodes for use on SIM card interfaces on cellular phones and other portable electronics. This device utilizes solid-state silicon-avalanche technology for superior clamping performance and DC electrical characteristics and a bidirectional EMI/RFI filter with … [Read more...]

Cable Assemblies Feature 100 dB of Shielding

 

A new line of high performance hand-formable cable assemblies has been introduced by Electronic Assembly Manufacturing (EAM). These cable assemblies provide typical insertion loss of 0.7 dB/ft. at 20 GHz for 0.141-inch diameter cables. VSWR is 1.3:1 at 18 GHz with capability past 20 GHz. These hand-formable cable assemblies minimize signal losses by means of a PTFE dielectric, … [Read more...]

Gaskets Boast EMI/ESD Protection and Rework Potential

 

The new 7810 series of 3M Electrically Conductive Acrylic Pads (eCAP) offers cohesive strength, shock absorption, and strong adhesion, which allows for rework and fast assembly without curing time. The eCAP 7810 series products are effective for EMI gasket shielding applications, ESD grounding, and reliable electrical contact with as little as 2.5 mm x 2.5 mm of contact. This … [Read more...]

SiP for Automotive Apps Delivers EMC and ESD Performance

 

A new system-in-package solution (SiP) for LIN automotive networking applications is now available from Atmel Corporation. The ATA6617 combines a proprietary LIN System Basis Chip (SBC) AT6624 that includes a LIN transceiver, voltage regulator, watchdog, and an AVR microcontroller (ATiny 167 with 16-k flash memory) in a single package. This new Sip is based on Atmel’s second … [Read more...]

X2Y® Optimized Input Filter

 

Bill Klein of Johanson Dielectrics, Inc. shows how an X2Y® input filter can double the common mode bandwidth of an analog amplifier and includes the calculation of correct component values. Also included are a spreadsheet demonstration of the filter analysis and calculations to achieve this improvement.READ MORE … [Read more...]

Updated Automotive Test System Boasts Added Functions

 

Autostar 5.0 test management program is now available from Teseq in the first major release since the introduction of Autostar 4.0 with support for NSG 5500 (emissions testing) and NSG 5600 (complex voltage variations, magnetic field test, immunity testing). New features in this latest issue include a sequencer for building of complex test steps using an updated user interface, … [Read more...]

SBCs Deliver EMC and ESD Protection in Harsh Automotive Environments

 

A new family of advanced system basis chips (SBCs) from Freescale Semiconductor delivers EMC and ESD protection for LIN® vehicle networks. This SBC family includes three highly integrated, pin-compatible devices. The MC33910G5 combines power management capabilities that contribute to low battery discharge during low power modes, a robust LIN (local interconnect network) … [Read more...]

Philadelphia IEEE EMC Chapter Wins Award

 

Selected from almost 20 IEEE chapters in the region, the Philadelphia Chapter of the IEEE EMC Society received the award last Saturday, April 4th for “Outstanding Chapter of the Year” in the Philadelphia/Delaware Valley IEEE region. The Annual Awards Banquet and Gala was held at the historic Union League in Philadelphia. Representing the chapter were Graham Kilshaw, Chair and … [Read more...]

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