A 20 GHz CMOS RF down-converter with an on-chip antenna

Using a 20 GHz down-converter fabricated in a 0.13 /spl mu/m CMOS process, this paper demonstrates the feasibility of a pair of ICs with on-chip antennas communicating over free space. The circuit achieves 9 dB conversion gain and 6.6 dB SSB NF while consuming 12.8 mW from a 1.5 V supply.

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