Circuitikz 和运算放大器:输入和输出的不同符号
这是来自texdoc circuitikz: If you want different symbols for input and output you can use a null symbol and put them manually using the border anchors. \begin{circuitikz}[] \ctikzset{amplifiers/plus={}} \ctikzset{amplifiers/minus={}} \draw (0,0) node[fd op amp](A){}; \node [font=\smal...