A low-noise multi-GHz CMOS multiloop ring oscillator with coarse and fine frequency tuning

• Main Authors: Liu, Hai Qi, Goh, Wang Ling, Siek, Liter, Lim, Wei Meng, Zhang, Yue Ping
• Other Authors: School of Electrical and Electronic Engineering
• Format: Article
• Language: English
• Published: 2010
• Subjects: DRNTU::Engineering::Electrical and electronic engineering
• Online Access: https://hdl.handle.net/10356/92052; http://hdl.handle.net/10220/6246
• Institution: Nanyang Technological University

A 7-GHz CMOS voltage controlled ring oscillator that employs multiloop technique for frequency boosting is presented in this paper. The circuit permits lower tuning gain through the use of coarse/fine frequency control. The lower tuning gain also translat...