Choosing a Capacitor for Use as a Switch-Mode Power Supply Filter

Two key functions of switch-mode power supply (SMPS) filter caps are input filtering and output filtering.

Input filter caps need to be able to supply a quick burst of energy and to suppress noise generated in the switch circuit. Important considerations for the input filter cap are ESR, ESL, ...

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Laser Materials

Cleveland Crystals (Cleveland, OH) has developed a domestic source of material for tunable lasers and high-average-power Pockels cells. The material provides a variety of features and a wide transmission frequency range critical for supporting ...

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OpenVPX™ Signal-Processing Modules

New 3U and 6U OpenVPX™ modules from Mercury Computer Systems (Chelmsford, MA) support Electronic Warfare/Signals In telligence (EW/SIGINT) applications. The modules de tect electronic transmissions from opposing forces in missions ranging from ...

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Fabrication of Novel Transparent PMMA Composites for Optical Tagging

Army Research Laboratory, Aberdeen Proving Ground, Maryland

Optically clear composites are used in tags and decals to easily identify vehicles from a distance.

The emerging threats caused by improvised explosive devices (IEDs) have drastically increased concerns about soldier survivability. The ability ...

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