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By Randy Frank, Contributing Editor
Li-ion technology has seen some significant advances since
its introduction nearly two decades ago. But these improvements still
require economies of scale before the topology breaks out of its niche
and into mainstream automotive applications.
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By Dhananjay V. Gadre, Mayank Jain, and Nehul
Malhotra, Netaji Subhas Institute of Technology
An earlier Idea for Design described LED "candles" that you
could blow out just like normal birthday candles. The improved and
simpler circuit described here offers more realistic candle behavior and
increases the number of candles allowed to 20.
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Electronic Design Pop Quiz Sponsored by
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Electronic Design Pop Quiz Sponsored by Intel
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the industry is about to hit the fast-forward button. Are you in? Take the quiz to test your knowledge.
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A sub-0.5-pF version of the AntennaGuard SPV series
low-capacitance multilayer varistor (MLV) from AVX Corp. minimizes
signal distortion, according to the company. Its one-chip topology
protects high-speed digital interface, HDMI, analog sensor, Flex Ray,
GPS antenna, and RF amplifier circuit apps against electrostatic
discharge (ESD).
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The Webench Visualizer, a comparison and selection tool from
National Semiconductor that allows users to rapidly select an optimal
power system design, creates a graphical snapshot of options across
multiple criteria such as power efficiency, footprint, and system bill
of materials cost.
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Able to last four years at 50°C and longer at 25°C, the
batteries in the SSG series uninterruptible power supplies (UPS) from
Falcon Electric are rated for 10 years of expected life in a
temperature-controlled environment up to 25°C. According to the
company, the SSG components are the only UPS to carry a 55°C UL
listing.
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Handling a variety of precise signal-conditioning
applications, the 1570 differential preamplifier from That Corp.
functions as a differential summing preamplifier, differential
variable-gain preamplifier, microphone preamplifier, or a moving-coil
transducer amplifier.
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