Electronics News Updates

Ultra-compact mini-spectrometer integrating MEMS and image sensor technologies

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The MS series are thumb-sized (27.6 × 13 × 16.8 mm) spectrometer heads developed for installation into mobile measurement equipment by merging our MEMS and image sensor technologies. The MS series use a CMOS image sensor integrated with a light receiving slit. The internal optical system is comprised of a convex lens on which a […]

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Charge Pumps Tackle Higher-Voltage Applications

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n their most basic form, charge pumps are circuits that generate a voltage larger than the supply voltage from which they operate. Traditionally, charge pumps have been perceived to have limited voltage capability, offering performance that is seen as filling a niche in the range between low-dropout LDOs and switching regulators. Nonetheless, there are benefits

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RFduino: A finger-tip sized, Arduino compatible, wireless enabled microcontroller

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Using the RFduino USB shield, simply plug the RFduino into a USB port of any computer and use the Arduino IDE to load your Arduino sketch, which automatically begins running on the RFduino. Then you can detach the RFduino USB shield and plug the RFduino directly into your project. RFduino In The News: Details: The

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5-V, 3-Phase, Sensorless, Brushless DC Motor Driver

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DRV10866 is a three phase, sensorless motor driver with integrated power MOSFETs with drive current capability up to 680 mA peak. DRV10866 is specifically designed for low noise and low external component count fan motor drive applications. DRV10866 has built in over-current protection with no external current sense resistor needed. The synchronous rectification mode of

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The Latest LED driving ICs and Modules

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The solid-state lighting (SSL) surge has created a concomitant boom market for electronics to drive LEDs in various different applications, ranging from incandescent-replacement light bulbs to architectural lighting to streetlights and more. These new driver ICs and modules do more than simply provide power in the form needed by LEDs. Some devices can perform additional

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Razen is a collaborative, scriptable schematic and PCB layout tool

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Razen features an integrated schematic and layout editor with forward- and back-annotation. Editing library parts uses the same schematic & layout interface. 3rd-party part libraries can be imported and used directly from the editor. The interface, shortcuts and editing tools are customisable – from simple shortcut-key/display options to Python-scriptable editing tools. All projects are stored

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DC-DC converter starts up and operates from a single photocell

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The bq25504 from Texas Instruments is a good candidate to become a milestone on the road to micro-power management and energy harvesting. A prominent feature of this IC is its ability to start up at a supply voltage as low as 330 mV typically, and 450 mV guaranteed. With an SMD inductor and a few capacitors and

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Teardown: Cell-phone charger: nice idea done right

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Back in November 2012, EDN Brand Director Patrick Mannion published a teardown of a cell-phone battery charger. The design was not well done and received bad reviews. Redemption! I recently acquired a Mophie juice pack powerstation mini smartphone and USB-device battery charger that not only negates the previous teardown fiasco but also demonstrates the ability to provide more

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Imec Presents Low-Power Chip for Intra-Cardiac Ventricular Fibrillation Detection

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San Francisco, USA – February 19, 2013 – Imec demonstrated a low-power (20µW), intra-cardiac signal processing chip for the detection of ventricular fibrillation at this week’s International Solid State Circuits Conference (ISSCC 2013) in San Francisco with Olympus. An important step toward next-generation Cardiac Resynchronization Therapy solutions, the new chip delivers innovative signal processing functionalities and

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