Analyzes the characteristics of vortex signal, designs a differential charge amplifier with gain adaptive function, and analyzes its operational principle.

分析了涡街流量信号的特点，设计了增益自适应差动电荷放大器并介绍了它的工作原理。

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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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This paper gives the circuit analysis of the check amplifier which is the core component of the LUGB series vortex flow transmitter.

介绍了LUGB系列涡街流量变送器的核心部件-检测放大器的电路分析。

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