The design and performance of a monolithic double-balanced upconverter for mm-wave point-to- multipoint distribution systems are presented. Individual building blocks including the LO /RF balun, IF balun,LO /RF power amplifier,and the double- balanced mixer are also fabricated and tested.The complete upconverter,measuring 3x3.2mm,upconverts the 3 -5GHz IF to 40.5 -43.5GHz band with 20 dBm output power.
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