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— This paper presents an electronically tunable impedance transformer and matching network for RF applications, utilizing thin-film Barium Strontium Titanate (BST) tunable capacitors in an integrated-passive network on sapphire. The impedance transformer can be electronically varied from a 4:1 to 2:1 transformation in a 50 Ohm environment. A slight(More)
Conservative garbage collectors are commonlyused in combination with conventional C programs. Empirically, this usually works well. However, there are no guarantees that this is safe in the presence of \improved" compiler optimization. We propose that C compilers provide a facility to suppress optimizations that are unsafe in the presence of conservative(More)
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