基于测量放大器的心电前置放大器创新实验案例分析  

Innovation of Experiment Case of ECG Preamplifier Based on Measurement Amplifier

作　　者：胡睿康 李旭琼[1] 晋良念[1] HU Ruikang;LI Xuqiong;JIN Liangnian(School of Information and Communication,Guilin University of Electronic Technology,Guilin,Guangxi,China,541004)

机构地区：[1]桂林电子科技大学信息与通信学院,广西桂林541004

出　　处：《中国教育技术装备》2023年第10期133-139,共7页China Educational Technology & Equipment

基　　金：广西高等教育本科教学改革工程项目“模拟电子技术与电路分析课程整合及教学模式创新改革与实践”(基金编号:2021JGB187)。

摘　　要：结合心电信号频率低、信号弱、共模干扰强等特点,以测量放大器为核心实现一种具有高共模抑制比、高增益、高输入阻抗以及50 Hz陷波的心电前置放大器。通过原理图设计、仿真优化、硬件实现的全设计流程,有效提升学生的工程素养和解决复杂工程问题的能力,更好地适应新工科创新人才培养需求。Combined with the characteristics of low frequency,small signal amplitude and strong common mode interference of ECG signal,an ECG preamplifier with high common mode rejection ratio,high gain,high input impedance and 50 Hz notch is realized by using the measurement amplifier as the core component.Through the whole design process of schematic design,simulation optimization and hardware implementation,students’engineering literacy and ability to solve complex engineering problems can be effectively improved to better meet the needs of training innovative talents in new engineering.

关 键 词：心电信号 测量放大器 陷波器 实验 

分 类 号：G642.423[文化科学—高等教育学]