low phase-noise CMOS VCO with harmonic tuned LC tank

FREE-DOWNLOAD H Kim, S Ryu, Y Chung, J Choi… – Microwave Theory and …,
Abstract—This paper presents a phase-noise reduction tech- nique for voltage-controlled oscillators
(VCOs) using a harmonic tuned (HT) LC tank. The phase-noise suppression is achieved through
almost rectangular-shaped voltage at the switching differ- ential cell, which effectively