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JSSC 2014第10期Clocking & PLLs

Patent Abstracts The Patent Abstracts cited are intended to provide the minimum in- formation necessary for determining interest. The full text and images can be obtained from the U.S. Patent Of fice at http://www.uspto.gov 8,665,033 March 4, 2014 Varactorless tunable oscillator Inventors: Yiwu Tang (San Diego, CA), Jaehyouk Choi (Ulsan, KR), Jongmin Park (San Diego, CA), and Chiewcharn Narathong (San Diego, CA) Assignee: QUALCOMM Incorporated (San Diego, CA)

无变容二极管可调振荡器电路及数字锁相环电路
可调振荡器LC谐振电路相位缓冲器跨导器电感耦合
使用90度相移缓冲器和跨导器替代变容二极管实现频率调谐
通过改变跨导值调节次级电感中的增益缩放振荡电流
利用电感耦合实现主电感有效值变化
Abstract
st. The full text and images can be obtained from the U.S. Patent Of fice at http://www.uspto.gov 8,665,033 March 4, 2014 Varactorless tunable oscillator Inventors: Yiwu Tang (San Diego, CA), Jaehyouk Choi (Ulsan, KR), Jongmin Park (San Diego, CA), and Chiewcharn Narathong (San Diego, CA) Assignee: QUALCOMM Incorporated (San Diego, CA) Filed: February 18, 2011. Abstract—A tunable oscillator circuit is disclosed. The tunable oscillator cir- cuit includes an inductor/capacitor (LC) tank circuit com