Project supported by the National Natural Science Foundation of China(No.61176029);the National Twelve-Five Project(No.513***)
A 0.8–4.2 GHz monolithic all-digital PLL based frequency synthesizer for wireless communications is successfully realized by the 130 nm CMOS process. A series of novel methods are proposed in this paper.Two band DCOs...
Project supported by the National Natural Science Foundation of China(No.61176029);the National Twelve-Five Project(No.513***)
A novel transformer-type variable inductor is proposed to achieve a wide tuning range at frequencies as high as K band. The variable inductor is designed, and an intuitive model is built to analyze its performance by ...