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便携式心电监护仪前置放大电路和抗干扰的设计
Design of preamplifier and anti-interference for the portable ECG monitor
【摘要】 本文介绍了在一种新型便携式心电监护仪器中是如何采用单极性供电方式实现前置放大电路。同时也详细地阐述了心电信号抗干扰的设计方案。
【Abstract】 In this paper,the preamplifier circuit and the methods of anti-interference used for the portable ECG monitor were introduced.In this circuit,single power supply was be used.At the same time,the methods of anti-inˉterference by the means of hardware and software were designed.
【关键词】 心电信号;
前置放大器;
抗干扰;
数据采集;
滤波器;
【Key words】 ECG; preamplifier; anti-interference; data-sampling; filter;
【Key words】 ECG; preamplifier; anti-interference; data-sampling; filter;
- 【文献出处】 医疗设备信息 ,Information of Medical Equipment , 编辑部邮箱 ,2005年10期
- 【分类号】TH772.2;
- 【被引频次】51
- 【下载频次】1019