An 11.5mW 12.3-14.5 GHz Passive Mixer-First Receiver Front End Achieving 4.2dB NF and -5dBm B1dB

This work presents a low power, high dynamic range passive mixer-first receiver for the proposed 6G FR3 band. The proposed architecture achieves high performance at low power by directly driving the mixers with harmonically enhanced (HE) waveforms generated by a class $F^{-1}$ quadrature oscillator. Additionally, an overlap suppression front-end (FE) network is implemented that enables a wide range of mixer biases for optimal performance resulting in a more robust design to process and voltage variations. The $12.3-14.5 \mathrm{GHz}$ prototype is implemented in a FinFet process exhibiting a 4.2dB noise figure (NF), -5 dBm Blocker 1dB (B1dB) compression point, and 7.3 dBm out-of-band (OOB) third-order input intercept point (IIP3) with a total power consumption of 11.5 mW while occupying $0.28 \mathrm{~mm}^{2}$.