a心电图采样模块的输入阻抗很高,容易受到噪声的干扰,因此应该把输入回路尽可能屏蔽,包括模块外面裸露的小信号部分,否则噪声将窜入信号输入模块,使得波形带有较多的噪声。 The electrocardiogram sampling module input impedance is very high, easy to receive the noise the disturbance, therefore should input the retu...