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A 4-GHz CMOS quadrature VCO with 20% tuning range for UWB system

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4 Author(s)
Haiquan Yuan ; Department of Electronic Science and Technology, University of Science and Technology of China, Hefei, China ; Zhongqian Fu ; Fujiang Lin ; Li Cai

In this paper, we demonstrate a wide-tuning range QVCO for UWB system. The QVCO core consumes 7.6 mA at 1.8 V supply and achieves -108.79 dBc/Hz phase noise at 1MHz offset from the 4.056 GHz carrier. The figure of merit is -172.5 dBc/Hz.

Published in:

2008 Asia-Pacific Microwave Conference

Date of Conference:

16-20 Dec. 2008