Part Number: EVM430-FR6043
我在断开换能器的连接的情况下，将示波器探头和GND连接到J5来检测激励信号，如左图所示，似乎没有什么异常。又将示波器探头和GND连接到J9的AFE CH0 IN和GND上检测到的接收信号如右图所示，看起来有点问题，为什么是这种幅度似乎不变的形状？以上检测我都是通过USB提供电源。
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