1. Design of CMOS phase-locked loops: From circuit level to architecture level;Razavi,2020
2. Analog PLL design with ring oscillators at low-gigahertz frequencies in nanometer CMOS: Challenges and solutions;Lakshmikumar;IEEE Trans Circuits Syst II: Express Briefs,2009
3. Design and analysis of radiation-tolerant high frequency voltage controlled oscillator for PLL applications;Rajalingam;AEU – Int J Electron Commun,2021
4. Design of a low-voltage, low-power, wide-tuning integrated oscillator;Lin,2000
5. A wide tuning-range CMOS VCO with a differential tunable active inductor;Lu;IEEE Trans Microw Theory Tech,2006