A 75-GHz Phase-Locked Loop in 90-nm CMOS Technology


The design and experimental verification of a 75-GHz phase-locked loop (PLL) fabricated in 90-nm CMOS technology is presented. The circuit incorporates a three-quarter wavelength oscillator to achieve high-frequency operation and a novel phase-frequency detector (PFD) based on SSB mixers to suppress the reference feedthrough. The PLL demonstrates an… (More)

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