A new signal processing circuit of vortex flow meter based on variable gain amplifier and digital signal processor (DSP) unit is designed.

设计一种基于变增益运算放大器和DSP数字信号处理单元的新型涡街流量计信号处理电路。

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Then after a variable gain amplifier, After A / D conversion and through the microcontroller serial digital data to the ARM within the main control panel for processing.

然后经过一级可变增益放大器，在经过A/D变换，通过单片机串口将数字数据传输到ARM主控制板内进行处理。

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