By Henry Santana, May 04, 2012
Electronic loads are electronically controllable resistances used to test power circuit behavior at load resistances close to zero. This short piece shows how to build one using two op amps, an FET, a pot, a fixed resistor and an auxiliary (battery) supply.
By Brad Albing, May 04, 2012
How to use Intersil's ISL6132 for overvoltage sensing.
By Alexander Asinovski, April 04, 2012
This design idea extends the ability of a battery-monitoring data acquisition IC to allow temperature monitoring of up to 12 batteries in a power saving design with minimal error.
By Don Tuite, August 30, 2010
By Louis E. Frenzel, November 05, 2007
The testing of any new wireless receiver design usually requires conventional test instruments such as a vector signal generator and appropriate output instruments like a scope, vector signal analyzer, or spectrum analyzer. But t
By Daniel Harris, October 25, 2007
As field-programmable gate arrays (FPGAs) continue to drop in price while adding significant capability, their use has expanded greatly in industrial control and monitoring applications. And since FPGAs are in-system/field-programmable
By Paul Schimel, May 14, 2012
IR's Paul Schimel explains International Rectifier's half-bridge modules that employ IR's Gallium Nitride MOSFETs
By Marko Kannisto, May 10, 2012
This article shows the details of building a wireless speaker system using class D amplifiers, Bluetooth and an iPod music source.
By Andrew Dawson, May 01, 2012
Several parameters are important in selecting a digitizer for acquiring and accurately measuring the signals used to design and test wireless equipment.
By Jack Browne, July 26, 2011
Newer power RF semiconductor technologies are enabling higher power levels in smaller device sizes, making packaging materials a real concern. Beryllium oxide (BeO), aluminum nitride (AlN), and alumina (Al2O3) are good thermal conductors, and BeO has long been the ceramic of choice for microelectronics packages through about 4 GHz.
By Jefferay Lawton, March 04, 2011
Here are a number of alternative ways to avoid problems when driving Varactor Diodes.
By Staff, November 30, 2010
By Don Tuite, May 10, 2012
A description of the electronics in an electrocardiograph and what signals they measure to produce the “leads” on an ECG strip chart or video display.
By Lee Chin Aik, May 09, 2012
Mistreating power meters and power sensors can result in damage. Learn how to protect your RF power test gear, RF connectors, and RF adapters from damage and downtime.
By Philip Lioio, April 27, 2012
Electromagnetic noise is created by natural phenomena and inject many problems into electronic devices like radio transmitters and switching power supplies. Managing noise in power systems is an important part of any initial design because minimizing noise after the design is done or a prototype built is progressively more difficult and expensive. A frontline tool for the management of noise is to understand its vocabulary, origins, and effects.
Power / Paul Whytock
The first 3G network was launched nearly a decade ago. Subsequent 3G deployments were criticised for being too expensive and lacking a single global standard. While the initial Long-Term Evolution
Stereoscopic 3D effects were introduced in films during the 1950s. It was a short-lived fad, not least because of the geeky glasses. 3D TVs, electronic games, and even mobile phone displays that
During the bi-annual DSEi show in London, nearly 1300 suppliers of military hardware and software showed off their latest gizmos, inlcuding some seriously clever heat masking technology which can
Simplify design complexity and increase your energy efficiency in limited PCB space with Fairchild’s low-, mid-, and high power LED Lighting solutions. The right topology, components and support for your design success.
Get expertise in the power for processors and FPGAs arena -- visit the Power for Processors microsite from Texas Instruments and Electronic Design. Check out:
By Paul Whytock, May 15, 2012
By Staff, May 15, 2012
By Alberto Guerra, May 09, 2012
Traditional interior permanent magnet (IPM) solutions for the 30W to 200W inverterised motor-drive market require either a large construction or use of an external heatsink. International Rectifier's alternative approach uses PCB copper traces to dissipate heat from the module. As a result, it has a smaller package design and can eliminate an external heatsink.
By Paul Whytock, May 09, 2012
IGBT and FET innovations stole the thunder at PCIM 2012. Switching and on-resistance efficiencies lay at the heart of many such breakthroughs.
By Dr. Georges Tchouangue, May 08, 2012
Dr. Georges Tchouangue, Chief Engineer at Toshiba Electronics Europe (TEE), discusses how new fabrication processes and techniques are helping power semiconductors address stringent performance, efficiency, space and noise criteria.
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Designers forge new motion control path for hybrids and EVs...
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