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仪表放大器、增益放大器、VF选型

Other Parts Discussed in Thread: VFC32, LM331, INA333

项目需求:

1、测量应变桥、热电偶,热电阻三个量

2、空间有限:50mm*35mm*10mm,电磁环境恶劣

3、最大采样率:10K

3、供电电源:电池---5V

4、增益8档可调

5、输出通过VF转换---需载波

6、输出量程最小:+/-1 mv,最大:+/- 60mv。