15-GHz-band low-power and low phase-noise LC VCO IC with a second harmonic filter in 130-nm SiGe BiCMOS

X Xiao, X Wang, T Yoshimasu - 2016 IEEE Region 10 …, 2016 - ieeexplore.ieee.org
In this paper, a second harmonic filtering technique is presented for improvement of phase
noise performance of a Class-C LC-VCO IC. The second harmonic filter is employed to …