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...]
Understanding Inductance in the Real-world
As soon as current flows through metal conductors, inductance exists Bruce Archambeault, Ph.D., IBM Distinguished Engineer, IBM, Research Triangle Park, NC The concept of inductance is one of the most misunderstood concepts in electrical engineering. Terms such as ‘self inductance’, ‘loop inductance’, ‘partial inductance’, ‘mutual inductance’ are used with little concern … [Read more...]
RF Conducted Immunity System Tests to DO 160D & E and Other Exacting Standards
The Model C100400 from AR RF/Microwave Instrumentation is a fully contained system for testing RF conducted immunity. It contains all the instruments need to perform conducted immunity testing for the MIL-STD-461D/E, DO 160 D/E, and IEC 61000-4-6 specifications. The system includes a signal generator, a two-channel power meter, and a 100-watt nominal AR amplifier (10 kHz to 400 … [Read more...]
Murata’s EMI Filter Selection Simulator (Ver. 3.5.0)
Murata’s filter experts have updated their filter selection software. It’s now available in version 3.5.0. This revised and improved package will simulate the effects of EMFIL® and chip capacitors.Learn moreabout this valuable tool; then download 6.1 Mbytes of information formaking the right EMI filter choice. … [Read more...]
Software Toolbox Provides Environmental Models Magnetic Field, Gravity, & Atmosphere
Aerospace Toolbox 2.2 from the MathWorks provides reference standards, environment models, and aerodynamic coefficient importing for performing advanced aerospace analysis for developing and evaluating designs. Options for visualizing vehicle dynamics include a six-degrees-of-freedom MATLAB animation object and interfaces to the FlightGear flight simulator and Virtual Reality … [Read more...]
More Aerospace Products
High-Voltage Disc Capacitors Suit Aerospace and Industrial ApplicationsThe Cera-Mite 715CxxKT series, a family of single-layer devices from Vishay Intertechnology, are screw-mount disc capacitors offered in a wide range of diameters and capacitance values over rated voltages from 10 k VDC to 40 k VDC. With low AC and DC coefficients and a negligible … [Read more...]
Measurement of Intermittent Emissions with a Time-Domain EMI Measurement System
With time-domain EMI measurement, a single scan can test intermittent radiating devices quickly and accurately. Stephan Braun and Peter Russer, Institute for High Frequency Engineering Munich University of Technology Munich, Germany For some time, measurements of electromagnetic interference have been carried out by super-heterodyne receivers operating in the frequency … [Read more...]
National Instruments’ Will Use Intercept’s RF Software for New RF Signal Analyzer
Atlanta, GA-based Intercept Technology, Inc. has announced that National Instruments has selected the Pantheon and Mozaix RF design flow in the development of high-performance instrumentation. Intercept worked closely with National Instruments on the migration of in-process RF designs and in training RF design and layout personnel in the use of Intercept’s software and welcome … [Read more...]
Software Package Integrates Cable, PCB, and EMC/EMI Simulation
The latest release of CST STUDIO SUITE™ from Computer Simulation Technology (CST) recently debuted at DesignCon. Two highly specialized tools included in STUDIO SUITE 2009 include CST PCB STUDIO™ and CST CABLE STUDIO™—both part of CST DESIGN ENVIRONMENT™ that also includes access to CST MICROWAVE STUDIO® (or CST MWS). Signal currents can be used in CST MWS as excitation sources … [Read more...]
A Look at the FCC SAR Test Procedures for 802.11-based Products
We now have FCC SAR test procedures for 5-GHz WLAN David A. Case, Cisco Systems, Inc. Richland, OH The engineers involved with certifying 802.11-based products, specifically portable devices, are aware of the headaches that Specific Absorption Rate (SAR) testing can cause. Until recently there was not a clear test procedure for qualifying such devices for Federal … [Read more...]
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