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。
2
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。
3
This paper gives the circuit analysis of the check amplifier which is the core component of the LUGB series vortex flow transmitter.