Components/New Products
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Hall sensors are optimized for seat positioning systems, buckle switches, wipersChristoph Hammerschmidt, May 1, 2012The MLX92221 and MLX92241 Hall Effect sensors from Melexis are designed for stringent automotive applications requirements such as seat positioning systems, seat adjusters, seatbelt buckle switches, wipers, and motor commutation systems. More
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Innovative IC can't trap lightning but can let you know it's comingBill Schweber, April 30, 2012This tiny, low-power component, supported by a few small passives and a microcontroller for management and user interface, will enable lightning-detector key fobs, personal and portable warning instruments (GPS, fish finders, golf accessories), plus larger installations in networks, smart grids, and power systems. More
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PCB and ESR subtleties in switching regulator and LDO designsKern Wong, Principal Applications Engineer, Texas Instruments, April 27, 2012This article focuses on some key layout subtleties and points out several frequently overlooked design parameters and design considerations relating to ESR, load capacitors, vias, and feedback networks. More
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Achronix reveals 22-nm FPGAs, courtesy of IntelPeter Clarke, EE Times, April 24, 2012Fabless FPGA vendor Achronix Semiconductor has announced details of its Speedster22i HD and HP product families, claimed to be the first FPGAs to be built on a 22-nm manufacturing process technology. More
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Timer IC is simple to program with just one resistorIsmini Scouras, Contributing editor, April 24, 2012More
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Controller ICs take multitouch screens beyond smartphonesMargery Conner, Senior Technical Editor, April 19, 2012As multitouch touchscreens move beyond smartphones and tablets into automotive, medical, and instrumentation applications, their features evolve to fit lower prices and varying form factors. More
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Pico-projector design uses color LEDsFrancis Nguyen and Stefan Morgott, Osram Opto Semiconductors GMBH, April 19, 2012An LED light source uses a flexible chip and package platform for color-sequential embedded pico projection. More
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Teardown: The nuances of variable-frequency drivesSteve Taranovich, Senior Technical Editor, April 19, 2012Get an inside view of induction-motor control by varying frequency using PWM.More
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The significance of poles and zerosKevin C Craig, PhD, April 19, 2012Emulate Wilbur Wright and learn the significance of poles and zeros. More
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Linearize optical distance sensors with a voltage-to-frequency converterJordan Dimitrov, Toronto, ON, Canada, April 19, 2012Create the mathematical inverse of an analog voltage by converting it to frequency and measuring the period. More
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Use a transistor as a heaterREC Johnson, B Lora Narayana, and Devender Sundi, Center for Cellular and Molecular Biology, Hyderabad, India, April 19, 2012A temperature sensor and a hot transistor hold biological samples at a preset temperature. More
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New power semiconductor technologies challenge assembly and system setupsDr. Gerhard Miller, Infineon Technologies, Neubiberg Am Campeon, Germany, April 16, 2012While power density and performance rise, higher current densities require operating temperatures up to 200° C and faster switching to prevent losses, assemblies and system setups can't cope. Taking advantage of improved electrical properties requires thermal and electrical assembly technologies featuring very low stray inductances with a 10x to 20x better load-cycling capability at a higher temperature swing. More
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Simple circuit lets you characterize JFETsJohn Fattaruso, Dallas, TX, April 5, 2012Measure the pinch-off voltage VP and zero-bias drain current IDSS to select matched pairs of JFETs. More
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Use a transistor and an ammeter to measure inductanceRaju Baddi, Tata Institute of Fundamental Research, Pune, India, April 5, 2012Bipolar junction transistors transfer a current from a lower-resistance emitter to a higher-resistance collector. You can use this property to measure inductance. More
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Oscilloscope math functions aid circuit analysisDwight Larson, Maxim Integrated Products, April 5, 2012Use an oscilloscope’s math to measure parameters that you can’t measure directly. More
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ACE AWARDS ULTIMATE PRODUCTS of 2011Rich Pell, Executive Editor, March 27, 2012The ACE Awards program is an opportunity to recognize the technologies that have made a difference in the way we work, live and play. Nothing exemplifies this more than the winners of this year's ACE Awards for Ultimate Products of the Year. More
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ACE AWARDS INNOVATOR OF THE YEAR: Michael McCorquodalePatrick Mannion, Director of Content, March 27, 2012The Innovator of the Year Award goes to the individual who brings leadership, creativity, and out-of-the-box thinking to technology, a product, or a business, and this year's winner is no exception. More
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Hidden interfaces: a new playground for embedded innovationsRobert Cravotta, Embedded Insights Inc, March 15, 2012New interfaces can detect users’ presence and motion. In response, designers are providing new features to make their systems more responsive to users’ needs. More
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Circuits without wiresKevin C Craig, PhD, March 15, 2012Understanding magnetic circuits illuminates electromechanical devices. More
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Condenser microphone uses dc-coupled impedance converterDimitri Danyuk, Miami, FL, March 15, 2012Eliminate transformers and coupling capacitors in this self-balancing microphone interface. More
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