A highly-linear ultra-wideband balun-LNA for cognitive radios. - Weng-Fai Cheng; Ka-Fai Un; Pui-In Mak; Rui Paulo Martins (EUROCON, 2011)

A Nonrecursive Digital Calibration Technique for Joint Elimination of Transmitter and Receiver I/Q Imbalances With Minimized Add-On Hardware. - Wei-Han Yu; Chak-Fong Cheang; Pui-In Mak; Weng-Fai Cheng; Ka-Fai Un; U-Wai Lok; Rui Paulo Martins (IEEE Trans. Circuits Syst. II Express Briefs, 2013)