| 射频辐射抗扰环境中微弱信号放大电路的设计与验证 |
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| 引用本文： | 李澍,;赵东杰,;苏宗文.射频辐射抗扰环境中微弱信号放大电路的设计与验证[J].医疗设备信息,2014(9):109-111. |
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| 作者姓名： | 李澍 ;赵东杰 ;苏宗文 |
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| 作者单位： | [1]中国食品药品检定研究院医疗器械检定所,北京100050; [2]北京物资学院北京高校物流技术工程研究中心,北京101149 |
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| 基金项目： | 国家科技支撑计划课题（2012BA122B04）;北京高校物流技术工程研究中心项目资助（BILE2010）;北京物资学院青年科研基金项目资助（2014XJQN15） |
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| 摘 要： | 本文阐述了射频辐射抗扰环境中微弱信号放大电路的设计过程、实现方法以及验证过程，并总结了优化电路性能的关键点。测试结果表明，该电路具有较好的抗扰度，可辅助医疗器械实现远程测量。
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| 关 键 词： | 辐射抗扰 信号放大电路 噪声水平 电压漂移 线性范围 |
Design and Validation of Ampliifcation Circuit for Weak Signals in Radiofrequency Radiation Immunity Environment |
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| Institution: | LI Shu, ZHAO Dong-jie, SU Zong-wen (1.Institute for Medical Devices Control, National Institutes for Food and Drug Control, Beijing 100050, China; 2.Research Center of Logistics Technology Engineering for Universities in Beijing, Beijing Wuzi University, Beijing 101149, China) |
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| Abstract: | This paper introduced the design process, implementation methods and validation process of an amplification circuit for weak signals in radiofrequency radiation immunity environment, and summarized key points of improving the circuit performance. The validation results showed that the circuit with favourable noise immunity will be of assistance to the remote measurement of medical equipment. |
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| Keywords: | radiation immunity signal ampliifcation circuit noise level voltage drift linearity range |
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