A Low-voltage and Low-power Low Noise Amplifier for Ku-band Application

被引：0
|
作者：
Yu, Cheng-Chi [1 ]
Yang, Jiin-Hwa [2 ]
Su, Lien-Chi [1 ]
Lee, Heng-Yi [1 ]
Chen, Chang-Chih [1 ]
机构：
[1] Feng Chia Univ, Dept Commun Engn, 100 Wen Hua Rd, Taichung 407, Taiwan
[2] Feng Chia Univ, Elect & Commun Engn, Taichung 407, Taiwan
来源：
PIERS 2011 SUZHOU: PROGRESS IN ELECTROMAGNETICS RESEARCH SYMPOSIUM | 2011年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A low-voltage and low-power low noise amplifier (LNA) for Ku-band (12-18 GHz) application is proposed in this paper. The LNA can be used in receiver front-end for Direct Broadcasting Satellite (DBS) system. In order to decrease the power consumption and provide sufficient power gain at 12-18 GHz, a two-stage wide-band amplifier topology is presented in this circuit. In the first stage, a filter type matching network with an on-chip transformer is used as the input matching network. And this stage is to achieve the required bandwidth and reduce the chip area. In the second stage, a current-reused circuit is used to reduce the power consumption. The proposed LNA chip is fabricated by a TSMC 0.18 mu m CMOS process. The chip occupies a die area of 0.67 mm(2) (0.73 mm * 0.91 mm). The measured results show that maximum power gain (S-21) of 12.72dB, noise figure (NF) of 3.7 similar to 4.8dB and 1-dB compression points (P-1 (dB)) from -17 to -11 dBm between 12-18 GHz are obtained. The total power consumption is only 7.68 mW under 0.8V power supply voltage.
引用
收藏
页码：538 / 540
页数：3
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