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TDC1000-C2000EVM: TDC1000驱动76kHz换能器,两个换能器测流速。

Part Number: TDC1000-C2000EVM
Other Parts Discussed in Thread: TDC1000

外部给5MHz信号经过TDC1000,64分频驱换能器,没有收到回波。

请问这样配置驱动换能器测流速有什么问题吗?