A Mm-Wave CMOS Feed-Forward Amplifier Based on a Quasi-Balanced Structure

This paper presents a linearized millimeter-wave amplifier implemented in a 65-nm CMOS technology. A feedforward linearization technique was adopted to a quasi-balanced amplifier which separates the signal and intermodulation distortions. After the feed-forward linearization, the output third order intercept point (OIP3) of the proposed amplifier with three amplifier core is improved by 8 dB comparing to the single core amplifier.