| 基于WCDMA接收机系统的低噪声放大器设计 |
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| 引用本文： | 肖本,陈永聪.基于WCDMA接收机系统的低噪声放大器设计[J].电子科技,2013,26(12):60-62. |
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| 作者姓名： | 肖本 陈永聪 |
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| 作者单位： | (广东机电职业技术学院 电气学院,广东 广州 510051) |
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| 摘 要： | 介绍了低噪声放大器的基本工作原理,并对噪声源进行了分析。提出了采用先进的TSMC90 nm工艺,设计了一种基于WCDMA接收机系统的全差分拓扑共源共栅型低噪声放大器。该放大器片内集成了电感、电容,片外配置匹配网络。芯片测试结果表明:电路在2 GHz工作频率下,电压增益达到20 dB、噪声系数NF为1.4 dB、IIP3为-3.43 dBm。综合各项数据表明,该低噪声放大器具备良好的性能,可广泛适用于通讯系统之中。
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| 关 键 词： | 噪声 放大器 WCDMA |
Design of LNA for the WCDMA Front Receiver |
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| XIAO Ben,CHEN Yongcong.Design of LNA for the WCDMA Front Receiver[J].Electronic Science and Technology,2013,26(12):60-62. |
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| Authors: | XIAO Ben CHEN Yongcong |
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| Affiliation: | (School of Electrical Engineering,Guangdong Electromechanical Vocational and Technical College,Guangzhou 510051,China) |
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| Abstract: | The working principles of low noise amplifier and the sources of noise are discussed. A cascade COMS low noise amplifier using TSMC90nm technique is designed for WCDMA systems. Testing results show that this circuit operates at 2 GHz with NF of 1.4 dB, voltage gain of 20 dB, and IIP3 of - 3.43 dBm. This amplifier can be used for various communication systems. |
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| Keywords: | noise amplifier WCDMA |
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