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TL074: 运放外围结构分析

Part Number: TL074

TL074内部的四个运放,第一个低通滤波并反相放大,第二个低通滤波,第四个为Sallen-Key,第三个运放起什么作用。这个是拉力传感器的处理电路,前级为仪表放大的输出,后续要接到ADC中6febf0110c54637e38e9a5502a1d3d3.jpg