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其從ths3217的輸出到ths3491的輸出，並不會增加5倍，
可以幫看看是哪裡出了問題嗎?
是的，THS3217输出的VM1的信号为-210mV~280mV的正弦波，是正常輸入，THS3491增益應該為5倍對吧，輸出後的增益MONITOR和VM1的信號相同
