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Design and Fabrication of the One-Chip MMIC Mixer using a Newly Proposed Bias Circuit for L-band  

신상문 (울산대학교 전기전자정보시스템공학부)
권태운 (울산대학교 전기전자정보시스템공학부)
신윤권 (서라벌대학 컴퓨터정보학부)
강중순 (울산과학대학 전기전자학부)
최재하 (울산대학교 전기전자정보시스템공학부)
Publication Information
Abstract
In this paper, the study of a design and fabrication of the receiver MMIC mixer for L-band application is described. The mixer is composed of active LO and RF balun to integrate on a chip and applied a newly proposed bias circuit to compensate the process variations of active devices. The conversion gain of the mixer is -14 dB, IIP3 is approximately 4 dBm and port-to-port isolation is over 25 dB. The newly proposed bias circuit is composed of a few FETs and resistors, and can compensate the variation of the threshold voltage by the process variations, temperature changes and etc. The designed chip size is $1.4\;mm{\times}1.4\;mm$.
Keywords
One-Chip; MMIC; Mixer; Bias Circuit;
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