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We present a multiband LTE SAW-less CMOS transmitter. Source followers, which drive passive mixers, contribute to the small-area and low-power transmitter. An envelope-tracking technique improves the linearity of RF programmable gain amplifiers, and Marchand baluns are suitable for multiband operation. The transmitter, which includes digital-to-analog… (More)
We have performed semiempirical quantum chemical calculations to obtain the optimized structure and the free energy (DeltaG) for all congeners (1701) of polybromo/chlorodibenzo-p-dioxins, which include all the isomers of all the homologues, and those for (3321) polybromo/chlorodibenzofurans. Then, to apply the "Quantum and Deductive Chemistry Approach" on… (More)
Oxo-sulfido- and oxo-selenido-molybdenum(VI) complexes with an ene-1,2-dithiolate ligand are generated as models of the active sites of molybdenum hydroxylases. The sulfide and selenide groups are highly reactive toward triphenylphosphine in the order of Se > S.