10 to 40 GHz superheterodyne receiver frontend in 0.13 ??m SiGe BiCMOS technology

摘要

A fully integrated 10???40 GHz superheterodyne receiver frontend using a 40???46 GHz IF is presented. The frontend consists of a differential low noise amplifier, a fully differential mixer, a single-ended frequency quadrupler and a transformer-based balun followed by an amplifier to convert the quadrupler's single-ended output to a differential signal to drive the LO port of the mixer. The circuit is designed and fabricated in a 250 GHz fT SiGe BiCMOS technology. The chip was characterized on-wafer single-endedly. The frontend achieves a differential conversion gain of 17 to 20 dB and an input-referred 1 dB compression point of ???16 to ???20 dBm across the desired IF bandwidth.