隐藏极点 circuitikz

Question

我想在 circuitikz 中画一个放大器（不是运算放大器，只是放大器）。我设法做的是以下图片/代码

    \begin{circuitikz}[american voltages]
    \draw
       (0,0) node[fd op amp] (opamp) {}
       (opamp.+) to [short, -o] ++(-2,0)
       (opamp.-) to [short, -o] ++(-2,0)
       (opamp.out +) to [short, -o] ++(2,0)
       (opamp.out -) to [short, -o] ++ (2,0);
    \end{circuitikz}

但我想把杆子藏在里面。可以吗？提前谢谢您。

Answer 1

解决方法：将符号的颜色设置为白色。

\documentclass{article}
\usepackage{circuitikz}

\begin{document}
\ctikzset{tripoles/op amp/font= \fontsize{10}{0}\selectfont\boldmath\color{white}}
\begin{circuitikz}[american voltages]
    \draw
       (0,0) node[fd op amp] (opamp) {}
       (opamp.+) to [short, -o] ++(-2,0)
       (opamp.-) to [short, -o] ++(-2,0)
       (opamp.out +) to [short, -o] ++(2,0)
       (opamp.out -) to [short, -o] ++ (2,0);
    \end{circuitikz}
\end{document}

结果：