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This paper reports a novel MMIC balanced sub-harmonic cold FET mixer for MVDS applications using 0.15 mum GaAs pHEMT. The mixer, which includes a LO buffer amplifier, was optimized for highly linear up-conversion performance in the 40.5-43.5 GHz RF band, 19.5-20.5 GHz LO band and 2.45-3.45 GHz IF band. A dedicated simulation method has been developed to optimize conversion loss and determine optimum...
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