Low-power 48-GHz CMOS VCO and 60-GHz CMOS LNA for 60-GHz dual-conversion receiver

Abstract

A low-power low-phase-noise 48-GHz CMOS LC voltage-control oscillator (VCO) and a low-power 60-GHz CMOS low-noise amplifier (LNA) for 60-GHz dual-conversion receiver are reported. The VCO dissipated 5.556 mW power, and achieved state-of-the-art phase noise of −105 dBc/Hz at 1-MHz offset from 47.84 GHz. The corresponding figure-of-merit (FOM) was −191.1 dBc/Hz, which is better than those of the reported CMOS LC VCOs around 48 GHz in the literature. Besides, the LNA consumed 21.4 mW power, and achieved input return loss (S11) of −10.6∼ −37.4 dB, voltage gain (AV) of 10.7∼ 18.8 dB, reverse isolation (S12) of −43.5∼ −48.1 dB, input referred 1-dB compression point (P1dB-in) of −16.2∼ −20.8 dBm, and input third-order inter-modulation point (IIP3) of −4∼ −7.5 dBm over the 57-64-GHz-band of interest.