A 2.12～2.68GHz Wide Tuning CMOS LC-VCO with low phase noise

摘要：

A wideband LC voltage-control oscillator (VCO) is designed based on SMIC 0.18μm CMOS process, which has wide tuning range by using the switched capacitor array, while the phase noise is reduced after using the differential inductance of high quality factor and the filter method. Simulated results show that the VCO has the tuning range of 23.3％ from 2.12GHz to 2.68GHz, and the phase noise of -128.1dBc/Hz at offset of 1MHz from a 2.4GHz carrier. With a 1.8V supply voltage, the power of core circuit is 6.9mW.

关键词： CMOS switched capacitor array phase noise differential inductance

作者: Zhiqun Cheng Lvpo Zhang Longqian Lin Yujie Feng

作者单位: Key Lab. of RF Circuit and System, Ministry of Education,Hangzhou Dianzi University, Hangzhou 310018,China

会议类型: 国际会议

会议名称: 2011 China-Japan Joint Microwave Conference(2011年中日微波会议CJMW 2011)

会议地点: 杭州

会议语种:英文

页码: 426-428

在线出版日期: 2011-04-20（万方平台首次上网日期，不代表论文的发表时间）