看参考设计电路,在超声波探头上并联了一个电阻和一个电容,这两个器件的值是怎么确定的呢?如果是收发分体探头,接收探头上也需要这样的两个器件吗?
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感谢您对TI产品的关注!
关于你的咨询,超声波探头的并联电阻电容你可以看看datasheet下面的章节有说明。
tuning capacitor和damping resistor。
8.2.1.3 Application Curves
www.ti.com/.../pga460.pdf
tuning capacitor和damping resistor如何选择看下面的report。
If a damping resistor is required for the new transducer, refer to this report.
www.ti.com/.../slaa732a.pdf
谢谢!