现在需要采集微伏级直流电压,要求能分辨5uV电压,请问那款放大器比较合适?
电路设计有什么注意事项?
谢谢
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那一部分你不理解?
上面三级电路截图是来自ADI应用文章:
https://www.google.com.hk/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=0ahUKEwiv0p6FntnMAhWBu48KHao1CbYQFggaMAA&url=http%3A%2F%2Fwww.analog.com%2Fmedia%2Fcn%2Ftechnical-documentation%2Fapplication-notes%2FAN-1264_cn.pdf&usg=AFQjCNEuA7cD0LEYCHuuBFkKnXGj-5nRJA&sig2=n1MY9CvGFTctlH1htAWdng