Medical, Healthcare & Wellness

January 2017

DTM300 external power supply

TDK's Level VI efficient medical 300W external supplies offer Class I or Class II inputs

TDK announced the introduction of the DTM300 series of medically certified 300W external power supplies. Certified to the latest IEC 60601-1 & 60601-1-2 medical standards, the products have 4,000Vac isolation from input to output and are offered with either a Class I or Class II input. The series is intended to

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Date:

01/30/2017

The ROHM Arduino-based EVK allows rapid evaluation and prototyping of stepper motor systems

Step-by-step

Andrea Colognese, Rohm Semiconductor

Combining ultra-precise control with long operating life, stepper motors have become a critical building block in motion-based applications ranging from white goods to factory automation and robotics to printers and point-of-sale equipment. For the designer, the challenge is to ensure the best combination of pe

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Date:

01/30/2017

Innovative topology for piezo drivers

Jim Mutzabaugh, Apex Microtechnology

Piezoelectric elements have traditionally been used primarily in applications in the audio industry, operating in the human audio range (nominally 100 Hz to 18 kHz). However, subsequent improvements in device characteristics have extended their usefulness into markets which demand much-higher performance. For ex

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Date:

01/30/2017

Advanced distributed power

Mark Adams, CUI, and Mark Patrick, Mouser Electronics

DC-DC converter modules have been around a long time and can be found in most power conversion stages of virtually every application today. As their use evolved to changing application requirements so did the design approach used to construct them. One of these trends meant that in order to preserve conversio

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Date:

01/28/2017

Measuring the power of complex RF waveforms

Giovanni D’Amore, Keysight Technologies

The ability to make consistent measurements of RF or microwave power levels is vital to developing effective radio systems and networks. This article explores how different approaches affect the resultant measurements. The test case compares various approaches to making average power measurements of contin

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Date:

01/28/2017

Designing the turnaround!

Thomas Rudel, CEO, Rutronik

Lots of things are currently changing: Digital transformation is in full swing, changing our daily lives and demanding new business models. Many countries are facing economic and social challenges. Let’s look at how this effects distribution and what companies like Rutronik are doing to continue to move forward in

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Date:

01/28/2017

GB350 coreless buck-converter module

Powerbox's breakthrough coreless power conversion tech addresses high magnetic-field apps

Powerbox, a leading power supply company and force for four decades in optimizing power solutions for demanding applications, has announced the release of its new coreless technology platform to power medical and industrial equipment operating in very high magnetic field environments such as magnetic resonance im

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Date:

01/27/2017

A cathode containing nanoparticles made from cobalt, cobalt oxide and a carbon-based outer shell improved the performance of a zinc-air battery.

Nanoparticle catalysts improve zinc-air batteries

A*STAR researchers have found that nanoparticles containing three different layers of material can help to boost the performance of a zinc-air battery. Zinc-air batteries are cheap, have a high energy density, and last for a very long time. Their use of a water-based electrolyte makes them safer than other batteries, so

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Date:

01/13/2017

Ohio State unveils devices that convert heat into electricity

The same researchers who pioneered the use of a quantum mechanical effect to convert heat into electricity have figured out how to make their technique work in a form more suitable to industry. In Nature Communications, engineers from The Ohio State University describe how they used magnetism on a composite

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Date:

01/04/2017