This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

ads1298的pace detection 硬件设计

Other Parts Discussed in Thread: OPA348, TLV3401

可以采用八通道输入的两个通道进行硬件PACE检测  我是采用偶数通道由PACE_OUT1输出。然后经过OPA348的运放,然后经过TLV3401比较器,量出的波形在20   mV的波形在TLV3401的输出还可以量到,但是小信号2mV,  时间0.1 mS , 就没有输出了,请问这是什么问题啊?我的前级运放是0欧,反馈是398K,调反馈电容也没有用,请问这个问题怎么办啊?可以给我个方式啊?请教一下。