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Chen, Y. (author)LED lamps have become increasingly popular in the market thanks to high energy efficiency. Tubular LED lamps are widely adopted to replace conventional linear fluorescent lamps, like T8 and T12. Compared with rewiring of fixtures (remove or bypass the ballast) retrofit LED Tubes (TLED), which can be directly powered by the existing ballast, are...master thesis 2015
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Chen, P. (author)The technology scaling favors the Digital PLLs, which is reconfigurable. In the traditional fractional-N ADPLL, whether counter-based or divider based, DCO and TDC are the main two power consuming blocks. Modifying the phase detection part based on phase prediction makes the architecture more energy-efficient. The new architecture leads to the...master thesis 2014
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