A driving method for improving luminous efficacy of a light emitting diode (LED), the method comprising: periodically switching a DC current supplied to the LED between a high current level lH and a low current level lL, the low current level lLbeing fixed at zero or raised above zero to produce a D.....
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A new type of device called dual band coupled-line balanced-to-unbalanced band pass filter, or simply dual band balun-filter, is proposed. Based on the traditional coupled-line filter theory and Marchand balun configuration, a new device with both filter-type as well as balun-type characteristics is.....
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According to the International Technology Roadmap for Semiconductors, the introduction of a high-k material within the gate stack in complementary metal-oxide semiconductor (CMOS) baseline is mandatory in the near future for any kind of applications. Previous efforts in seek of high-k materials hav.....
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