PSPICEFOTRTI 有可变电阻和仪表放大器吗?
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您好,仪表放大器是有的,如下:

电阻的话分为三大类,通用电阻,上下拉电阻的应用。

R_Var是可变电阻。上面这个R_45DEG不太清楚,我没有用过这个电阻呢。