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。
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.
出处
《中国医疗设备》
2014年第9期109-111,135,共4页
China Medical Devices
基金
国家科技支撑计划课题(2012BAI22B04)
北京高校物流技术工程研究中心项目资助(BJLE2010)
北京物资学院青年科研基金项目资助(2014XJQN15)
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
radiation immunity
signal ampliifcation circuit
noise level
voltage drift
linearity range