News and in-depth technical information for system designers responsible for specifying or selecting power sources for electronics applications. Topics include power supplies, components including dc-dc converters, batteries, digital power, and alternative energy technology.
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Circuit protection basics - Part 2: Case study - understanding and using predictive analysis
David McGirt, V.P. of Engineering, Innovolt, February 7, 2012This article discusses a circuit protection technology that guards against damage from 99.5% of power disturbances including an infinite variation of voltage sags, brown outs, over voltages, power outages and damaging current inrushes. More -
Power MOSFETs continue to evolve, thanks to wafer thinning and innovative packaging
Margery Conner, Technical Editor, February 2, 2012Increases in power-MOSFET performance now come not just from tweaks in the silicon device's structure but also—and more significantly—from innovations in manufacturing processes and packaging. More -
Exploiting subthreshold MOSFET behavior in analog applications
Robert Chao, Advanced Linear Devices Inc, February 2, 2012You can now spin MOSFETs’ “unusable” leakage current into “gold.” More -
Balancing GBWP and quiescent current for dissipation optimization
Namrata Pandya, Microchip Technology Inc, February 2, 2012Minimizing power dissipation in analog applications requires a careful balance between GBWP and quiescent current. More -
Stable pulse generator uses matched transistors in a current mirror
Bill Morong, Paoli, PA; Edited by Margery Conner and Fran Granville, February 2, 2012Inexpensive dual transistors work as well as do legacy matched pairs. More -
Freescale, Inside Secure team on smart-meter reference design
R Colin Johnson, EE Times, January 24, 2012Freescale Semiconductor has partnered with Inside Secure in a smart-meter reference design that cure security ills associated with near field communication (NFC) technology. More -
TI ups its smart grid offerings
Nicolas Mokhoff, EE Times, January 23, 2012Texas Instruments claims the industry's first demonstration of a radio frequency system-on-chip that integrates an IEEE 802.15.4 (2.4 GHz) radio, an ARM Cortex-M3 processor, and enough flash and RAM to run the ZigBee IP stack and SE2.0 profile. More -
Use a switching regulator to power a high-speed ADC
Thomas Neu, Texas Instruments, January 19, 2012A properly designed switching regulator can improve the power efficiency of low-power, high-speed ADCs without significantly sacrificing performance. More -
Theory and practice
Kevin C Craig, PhD, January 19, 2012We all know about the gap; let’s do something about it. More -
Vizio VTAB1008 tablet: symbiosis of man and machine
Patrick Mannion, Director of Content, January 19, 2012There’s just something about the 8-in. Vizio VTAB1008 Android tablet: You take it out of the box, turn it on, start using it, and immediately get attached to it. More
TECHNOLOGY QUICK LINKS
PowerSource
February 8, 2012
Notes from APEC: SiC diodes quals; New GaN drivers; STMicro/3Sun
Transphorm has said repeatedly that it’s not just about announcing new...
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PowerSource
February 7, 2012
Samsung LED light bulb teardown includes objective dimming numbers
Samsung sent me one of their new LED sno-cone-type bulbs to try out. The bulb...
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Is it April...
John Bostock– 2012-10-2 01:27:00 PST
in response to Stable pulse generator uses matched transistors in a current mirrorThe circuit as shown does not detect shorts between unrelated pairs that have...
Dan Prysby– 2012-8-2 21:48:34 PST
in response to Simple circuit tests twisted-pair cablesInteresting...
Jason– 2012-8-2 09:24:49 PST
in response to DAC fine-tunes reference output
KNOWLEDGE CENTER
Product fEEd
EDN's technical editors highlight notable new products including analog and digital ICs, power components, sensors, passives, boards and systems, software, and more.
Murata Electronics LFB182G45BG2D280 filter: Filter targets 2.4-GHz wireless apps
TDK B32*6T film capacitors: MKP and MKT film capacitors have low insertion height
Triad Magnetics CMT-8100 common-mode inductors: Inductors eliminate noise in power-supply lines
Power Integrations DER-297 reference design: LED-driver reference design adds efficiency
Mitsubishi WVGA AA070MC01 and WXGA AA106TA01 LCD modules: Modules have 170° horizontal and vertical viewing angle
Sharp LS series of ultra-low-power memory LCDs: Series draws less power than conventional TFT LCDs
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Taking the Measure
Rick Nelson, editorial director of Test & Measurement World, comments on test, globalization, measurement, machine vision, economics, nanotechnology, the engineering profession, and more.
Latest Post: September 12, 2011
After more than 13 years at T&MW, I have decided to move on to a new position, but T&MW will be in good hands. Read More




