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Recent Additions
EMI Analysis and Countermeasures Part 4 Course Technology course • 30 minutes This course discusses how a Workbench Faraday Cage and a hybrid balun are used for measuring the emissions caused by common-mode voltage and shows the improvement obtainable with a reduced-noise MCU. Subsequently, the course describes a technique recently developed by Renesas for decreasing the common-mode noise that can be applied to the package of an LSI device and the layout of the high- and low-side power distribution lines on a printed circuit board.
EMI Analysis and Countermeasures Part 3 Course Technology course • 24 minutes This course describes how to perform a system-level tests and shows examples of typical measurement results. It explains how current balance can be evaluated to find EMI problems on a circuit board and illustrates how the board layout affects emissions. Finally, it offers an introduction to the methods that can be used to measure the emissions from MCUs, MPUs, and other LSI devices so the best products can be selected for a system.
EMI Analysis and Countermeasures Part 2 Course Technology course • 20 minutes This course briefly reviews the basics of power supply decoupling, then discusses the challenges imposed by high-density chip packages and describes a good solution: 3-pin SMD feed-through capacitors. Subsequently, the discussion shows various examples in which the effectiveness of noise reduction techniques is evaluated, and describes the iterative method recommended for implementing noise countermeasures.
EMI Analysis and Countermeasures Part 1 Course Technology course • 25 minutes This course first briefly reviews what EMI is and why it's important to take measures to minimize EMI in embedded systems. The course then describes how to use decoupling capacitors and other EMI reduction methods, and explains ways to measure noise currents and noise emissions. Finally, the course shows a technique for evaluating the effectiveness of EMI reduction techniques.
Top 10 Design Center How-To stories of 2007
Design Article
From MOSFETs to hybrid car systems--and back to MOSFETs--here's what Automotive DesignLine readers found most interesting during the year, as voted by their page views.
