標題: Parallel-RC Feedback Low-Noise Amplifier for UWB Applications
作者: He, Kuang-Chi
Li, Ming-Tsung
Li, Chen-Ming
Tarng, Jenn-Hwan
電信工程研究所
Institute of Communications Engineering
關鍵字: Broadband;complimentary metal-oxide-semiconductor (CMOS) low-noise amplifier (LNA);feedback;ultrawideband (UWB)
公開日期: 1-Aug-2010
摘要: A two-stage 3.1- to 10.6-GHz ultrawideband CMOS low-noise amplifier (LNA) is presented. In our design, a parallel resistance-capacitance shunt feedback with a source inductance is proposed to obtain broadband input matching and to reduce the noise level effectively; furthermore, a parallel inductance-capacitance network at drain is drawn to further suppress the noise, and a very low noise level is achieved. The proposed LNA is implemented by the Taiwan Semiconductor Manufacturing Company 0.18-mu m CMOS technology. Measured results show that the noise figure is 2.5-4.7 dB from 3.1 to 10.6 GHz, which may be the best result among previous reports in the 0.18-mu m CMOS 3.1- to 10.6-GHz ultrawideband LNA. The power gain is 10.9-13.9 dB from 3.1 to 10.6 GHz. The input return loss is below -9.4 dB from 3.1 to 15 GHz. It consumes 14.4 mW from a 1.4-V supply voltage and occupies an area of only 0.46 mm(2).
URI: http://dx.doi.org/10.1109/TCSII.2010.2050943
http://hdl.handle.net/11536/32334
ISSN: 1549-7747
DOI: 10.1109/TCSII.2010.2050943
期刊: IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS
Volume: 57
Issue: 8
起始頁: 582
結束頁: 586
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