| 2.4GHz低噪声放大器的研究 |
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| 引用本文： | 潘少祠,官伯然.2.4GHz低噪声放大器的研究[J].杭州电子科技大学学报,2005,25(4):46-49. |
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| 作者姓名： | 潘少祠 官伯然 |
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| 作者单位： | 杭州电子科技大学电子信息学院,浙江,杭州,310018 |
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| 摘 要： | 低噪声放大器是对来自天线的微伏级信号进行放大的射频接收端的放大模块。该低噪声放大器主要由输入匹配网络、微波晶体管放大器和输出匹配网络组成。匹配网络采用微带线形式建立，微波晶体管采用NPN硅晶体管BFP420。利用Microwave Office进行电路仿真和优化。该放大器满足小信号放大器的指标要求，可以用于射频接入电路的前端。
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| 关 键 词： | 无线接入射频电路 低噪声放大器 晶体管 |
| 文章编号： | 1001-9146（2005）04-0046-04 |
| 收稿时间： | 2005-07-01 |
| 修稿时间： | 2005-07-01 |
Study of 2.4GHz Low Noise Amplifier |
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| PAN Shao-ci,GUAN Bo-ran.Study of 2.4GHz Low Noise Amplifier[J].Journal of Hangzhou Dianzi University,2005,25(4):46-49. |
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| Authors: | PAN Shao-ci GUAN Bo-ran |
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| Abstract: | This paper is to study the low noise amplifier (LNA), the primary stage of the RF/microwave receiver. The function of LNA is to amplify the uV voltage signal received by antenna. LNA involves three parts: the input matching network, the transistor and the output matching network. Matching networks are designed by micro-strip structure. The NPN silicon transistor of INFINEON is employed. Furthermore, circuit simulation and optimization are performed in Microwave Office. This low noise amplifier can be utilized to design the small signal receiver. |
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| Keywords: | radio frequency circuit low noise amplifier transistor |
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