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如题
亲；用轨对轨放大器做成加法比例放大器器即可。
自带偏置，好像没见过
自带偏置的没有吧，有些运放带有offset trim是用来调节运放自身input offset voltage的。
用通用运放可以吗？我手头上还有LM358N
直接串一个2.5V电压源不就可以么
