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	A SAW-less 0.5-2.5 GHz Receiver Front-End with 80 dB 3rd Order Harmonic Rejection Ratio
	Chen, Long ; Xia, Tao ; Guo, Ying ; Liao, Huailin
	2014
关键词	SAW-less receiver front-end 3rd order harmonic rejection 3-phase impedance translation 3-phase harmonic rejection mixer BAND MIXERS
英文摘要	This paper presents a 65 nm SAW-less receiver front-end. Using 3-phase clocks for impedance translation, an RF filter with 3rd order harmonic rejection is obtained. Employing this filter as the front-end's input matching network and a two-stage low noise amplifier's load, a 3rd order RF filter is realized. In addition, by using 3-phase 1/3-duty-cycle LO, a 3rd order harmonic rejection mixer is realized. The mixer's harmonic rejection ratio is less sensitive to gain and phase error compared to conventional 8-phase mixers, since the 3-path's gain ratio is 1: 2: 1. These two techniques enhance 3rd order harmonic rejection ratio to 80 dB in case of 6% duty-cycle error, 2% gain error and 0.5 degrees phase error. The front-end achieves a noise figure of 3-6 dB from 0.5 GHz to 2.5 GHz, consumes 21-33 mW power from a 1.2 V voltage supply and occupies an area of 0.35 mm(2).; Engineering, Electrical & Electronic; CPCI-S(ISTP); 0
语种	英语
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/292429]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Chen, Long,Xia, Tao,Guo, Ying,et al. A SAW-less 0.5-2.5 GHz Receiver Front-End with 80 dB 3rd Order Harmonic Rejection Ratio. 2014-01-01.

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