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高频心电信号的数据采集

对于TI的参考设计ECG中有提到了Input Bandwidth: 200Hz (ECG signals),其中利用的放大器OPA313与AD转换的带宽都很宽,这个设计可不可以认为高频心电的数据采集?

要想实现带宽在0-2KHZ的心电信号的数据采集应该如何实现?