| 2.4GHz CMOS低噪声放大器的设计 |
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| 引用本文： | 唐学锋.2.4GHz CMOS低噪声放大器的设计[J].湖州师范学院学报,2012,34(1):53-56. |
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| 作者姓名： | 唐学锋 |
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| 作者单位： | 湖州师范学院信息与工程学院,浙江湖州,313000 |
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| 摘 要： | 基于0.18μm CMOS工艺,采用共源共栅源极电感负反馈结构,设计了一个针对蓝牙接收机应用的2.4GHz低噪声放大器(LNA)电路.分析了电路的主要性能,包括阻抗匹配、噪声、增益与线性度等,并提出了相应的优化设计方法.仿真结果表明,该放大器具有良好的性能指标,在5.4mW功耗下功率增益为18.4dB,噪声系数为1.935dB,1dB压缩点为-14dBm.
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| 关 键 词： | 低噪声放大器 CMOS 噪声系数 |
Design of 2.4GHz CMOS Low Noise Amplifier |
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| TANG Xue-feng.Design of 2.4GHz CMOS Low Noise Amplifier[J].Journal of Huzhou Teachers College,2012,34(1):53-56. |
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| Authors: | TANG Xue-feng |
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| Institution: | TANG Xue-feng (Faculty of Information & Engineering,Huzhou Teachers College,Huzhou 313000,China) |
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| Abstract: | This paper presents a 2.4GHz cascode low noise amplifier(LNA) for blue-tooth receiver based on 0.18μm CMOS technology,analyzes some principal performances including impedance match,noise,gain and linearity,and finally proposes a corresponding optimization design method.The simulation results show that the proposed LNA achieves good performance.It provides a power gain of 18.4dB,a noise figure of 1.935dB,1dB compression point of-14dBm,and the power consumption being 5.4 mW. |
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| Keywords: | low noise amplifier CMOS noise figure |
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