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DESIGN SPOTLIGHT January 7, 2015

Design of the Week Probing an under the weather weather station A solar-powered temperature sensor refused to resurrect after it was kept out of the sun for weeks. This teardown explores what may have caused the device to sleep for good. • Envelope tracking as enabling tech for CMOS Pas • Clarifying spurious emissions • The end for half-power handsets • Sleep easy with this desk fan speed minimiser • State-variable filter perfects the notch • Trigger, synchronise digitisers to acquire right data • Achieving STARC, DO-254 compliance using HDL coder • Devising custom sync techniques for CDC paths Find more designs » Tech Impact Smart bike alerts cyclists to impending danger The first-ever "intelligent bicycle" was introduced in the Netherlands to help curb the number of accidents involving the elderly. The bike has an on-board system that warns cyclists of danger. Learn more » Elsewhere on our Network • Fuse offers 420VAC, 420VDC ratings for data centres, telcos • Oscilloscopes aimed at universities, training institutions • Melexis unveils robust, thermal-resilient pressure sensors • ST outs light, low-profile automotive-qualified rectifiers • IR reveals compact 25V dual N-channel power MOSFET