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MSP430FR6047: MSP430FR6047 USS module impedance matching

Part Number: MSP430FR6047

As shown in the figure, it is a reference for the design of MSP430FR6047 USS module. What is the specific role of input and output resistance and capacitance, and how to match the impedance of the transducer?

  • 你好,从你给出的图来看,电阻应该是一个下拉电阻,不太清楚它的作用,我将咨询TI资深工程师。电容的作用应该是滤波。

    how to match the impedance of the transducer?

    不太清楚你指的是什么。方便的话,你可以告诉我这个图在哪个文件中找到的吗?

  • 你好,

    有关阻抗匹配,您可以参考我们的 EVM 板。

    对于水表,使用我们的 EVM 板 RC 参数就足够了。 

    谢谢!

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