A 25 GHz 3.3 dB NF low noise amplifier based upon slow wave transmission lines and the 0.18 μm CMOS technology

Abstract

A 25 GHz low noise amplifier using standard 0.18 mum digital CMOS technology is presented. Matching networks were based upon slow wave transmissions lines. Peak gain of 12.8 dB at 24 GHz and in-band minimum noise figure less than 4 dB were obtained at a power consumption of 8 mW. These record results demonstrate the usefulness of the slow wave transmission line approach. A compact model of slow wave transmission lines is briefly described as well.