by Leland Teschler, Executive Editor, @DW_LeeTeschler Does it really take a voodoo practitioner to design a switching power supply? You might think so judging by the “black art”…
Teardown: What’s inside a Phillips Sonicare electric toothbrush
by Leland Teschler, Executive Editor A novel ac rectification and coil-driving scheme may characterize the electronics found in this widely used oral hygiene instrument. The Philips Sonicare Elite…
Researchers 3D-print supercaps with aerogels
Super-compact ultracapacitors could come out of work now progressing at the Lawrence Livermore National Lab where researchers are extruding graphene aerogel on a special 3D printer. The 3D-printing…
Who are EEs likely to marry? A chart shows the probabilities
Back in the dark ages when I was in engineering school, there was a common perception that engineers were mostly likely to marry nurses. Thanks to work by…
Ametek acquires power protection supplier ESP/SurgeX
Ametek, Inc. says it has acquired ESP/SurgeX, a supplier of energy intelligence and power protection solutions. ESP/SurgeX provides on-site and remote power protection products used by industries to…
Now there’s a UL certification for hoverboards
The testing agency UL, once known as Underwriters Labs, says it will now accept self-balancing scooters, also known as hoverboards, as candidates for a new certification called UL…
Let’s all watch batteries blow up
Exploding batteries have been in the news lately. Here are five examples of what can happen to high-energy cells if things go bad. When a hoverboard battery goes…
The difference between corona effect and St. Elmo’s fire
Corona effect, also known as corona discharge, is primarily a high-voltage transmission line phenomenon, but it is also seen surrounding lightning rods. Years ago, I was talking with…
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Your next circuit design could be fabricated on a printer
by Leland Teschler, Executive Editor Manufacturers are making 3D-printed electronics a reality even for designs involving sophisticated multi-layer circuit boards. The sun is starting to set on the days of cobbling together prototype circuits with wires and perfboards. Increasingly, new ideas for electronics will take shape on substrates fabricated by desktop machines taking cues from […]
DSPs use microphone processing IP
SAN JOSE, Calif., Sept. 2, 2015 /PRNewswire/ — Cadence Design Systems, Inc. (NASDAQ: CDNS) today announced that MightyWorks has ported its single-microphone and multi-microphone processing technologies to the Cadence® Tensilica® HiFi digital signal processors (DSPs). MightyWorks’ audio and voice technologies are specifically designed for mobile, automotive, Bluetooth accessories and home assistant applications. MightyWorks has provided […]
