A 0.18 m LOW POWER CMOS RADIO FREQUENCY LC OSCILLATOR FOR BROADBAND WIRELESS COMMUNICATION APPLICATIONS
This paper presents a detailed analysis on the relationship between quality factor (Q) and the amplitude of CMOS LC VCO. It is shown that controlled voltage amplitude is benefit for acquiring a large Q of the oscillator. Low power and phase noise of LC VCO can be optimized by tuning Q of tank. The analysis has been carried out both theoretically and by simulation for the design of a low power and low phase noise LC VCO in a standard 0.18m CMOS process. The VCO with on-chip spiral inductor is operating from 2.9 to 3.9 GHz. The simulation phase noise level is -113 dBc/Hz at 1MHz offset frequency while dissipating only 2.4mWat a 1.8V power supply.
VCO AAC phase noise quality factor low power
Huimin Liu Xiaoxing Zhang Yujie Dai Yingjie Lv
IC Design Center, College of Information Technical Science, Nankai University, Tianjin, China School IC Design Center, College of Information Technical Science, Nankai University, Tianjin, China
国际会议
北京
英文
443-447
2010-10-26(万方平台首次上网日期,不代表论文的发表时间)