A fully integrated BiCMOS PLL for 60 GHz wireless applications

An integrated PLL aimed at wireless transceivers in the unlicensed band from 59GHz to 64GHz is described. The PLL was fabricated in a SiGe:C BiCMOS technology with both f/sub T//f/sub max/=200GHz. The measured PLL lock range is from 53.3GHz to 55.7GHz. It operates from a 3V supply except for a first divide-by-two stage which requires a 5V supply. Total power consumption is 895mW.

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