使用 Circuit-Tikz 的 8 针 IC

Question

我似乎找不到使用 CircuitTikz 创建和移动 IC 的简单方法。具体来说，我想将运算放大器 IC 放置在某个位置，例如 (5,5)，并让相应的引脚相对于这些坐标，例如引脚 1 位于 (5,5.5)，引脚 2 位于 (5,6) 等，这样我就可以将其放置在某个位置并相对快速地将其连接到电路的其余部分。但我不知道如何做到这一点。

这是我正在尝试实现的运算放大器的图像。

Answer 1

这是标准的 8 针 DIP我的网站。锚点包括 p1 到 p8。使用 调整大小[pin spacing=...]。

\documentclass[border=1pt]{standalone}
\usepackage{circuitikz}

\makeatletter
\newcommand{\Compass}% define anchors for compass points
{\anchor{north east}{\northeast}
\anchor{south west}{\southwest}
\anchor{north}{\pgfextracty{\pgf@circ@res@up}{\northeast}\pgfpoint{0cm}{\pgf@circ@res@up}}
\anchor{north west}{\pgfextracty{\pgf@circ@res@up}{\northeast}\pgfextractx{\pgf@circ@res@left}{\southwest}\pgfpoint{\pgf@circ@res@left}{\pgf@circ@res@up}}
\anchor{west}{\pgfextractx{\pgf@circ@res@left}{\sosuthwest}\pgfpoint{\pgf@circ@res@left}{0cm}}
\anchor{south}{\pgfextracty{\pgf@circ@res@down}{\southwest}\pgfpoint{0cm}{\pgf@circ@res@down}}
\anchor{south east}{\pgfextracty{\pgf@circ@res@down}{\southwest}\pgfextractx{\pgf@circ@res@right}{\northeast}\pgfpoint{\pgf@circ@res@right}{\pgf@circ@res@down}}
\anchor{east}{\pgfextractx{\pgf@circ@res@right}{\northeast}\pgfpoint{\pgf@circ@res@right}{0cm}}}

% ************************** multipoles *****************************

\ctikzset{multipoles/.is family}
\ctikzset{multipoles/pin spacing/.initial = 5mm} % default value
\ctikzset{multipoles/gate spacing/.initial = 1cm} % default value

\pgfkeys{/tikz/pin spacing/.initial = 0mm}
\pgfkeys{/tikz/pin spacing/.default = 0mm}

\newlength{\IClen}  % scale factor
\newcommand{\pinsize}{\ifdim\IClen<3.5mm \tiny \else \scriptsize \fi}

\pgfkeys{/tikz/gate spacing/.initial = 0cm}
\pgfkeys{/tikz/gate spacing/.default = 0cm}

\newlength{\GateSpacing}

% ***************************** dip 8 *********************************
% anchors pin1 - pin8

\pgfdeclareshape{dip8}{
\anchor{center}{\pgfpointorigin}    % within the node, (0,0) is the center

\anchor{text}   % this is used to center the text in the node
    {\pgfpoint{-.5\wd\pgfnodeparttextbox}{-.5\ht\pgfnodeparttextbox}}

\savedmacro{\resize}{   % called automatically
 \setlength{\IClen}{\pgfkeysvalueof{/tikz/pin spacing}} % from node[]
 \ifdim\IClen=0mm \setlength{\IClen}
  {\pgfkeysvalueof{/tikz/circuitikz/multipoles/pin spacing}} \fi    % from \ctikzset{}
}
\savedanchor\icpina{\pgfpoint{-1.5\IClen}{-1.25\IClen}} % pin 1
\anchor{p1}{\icpina}
\savedanchor\icpinb{\pgfpoint{-.5\IClen}{-1.25\IClen}}  % pin 2
\anchor{p2}{\icpinb}
\savedanchor\icpinc{\pgfpoint{.5\IClen}{-1.25\IClen}}   % pin 3
\anchor{p3}{\icpinc}
\savedanchor\icpind{\pgfpoint{1.5\IClen}{-1.25\IClen}}  % pin 4
\anchor{p4}{\icpind}
\savedanchor\icpine{\pgfpoint{1.5\IClen}{1.25\IClen}}   % pin 5
\anchor{p5}{\icpine}
\savedanchor\icpinf{\pgfpoint{.5\IClen}{1.25\IClen}}    % pin 6
\anchor{p6}{\icpinf}
\savedanchor\icping{\pgfpoint{-.5\IClen}{1.25\IClen}}   % pin 7
\anchor{p7}{\icping}
\savedanchor\icpinh{\pgfpoint{-1.5\IClen}{1.25\IClen}}  % pin 8
\anchor{p8}{\icpinh}

\savedanchor{\northeast}{\pgfpoint{2\IClen}{1.25\IClen}}
\savedanchor{\southwest}{\pgfpoint{-2\IClen}{-1.25\IClen}}
\Compass% standard anchors

\foregroundpath{ % border and pin numbers are drawn here
 \pgfsetlinewidth{.1\IClen} % line thickness 
 \pgfpathrectanglecorners{\southwest}{\northeast}
 \pgfusepath{draw}  %draw rectangle
 \pgfsetlinewidth{.06\IClen} % line thickness 
 \pgfpathmoveto{\pgfpoint{-2\IClen}{-.6\IClen}}
 \pgfpatharc{-90}{90}{.6\IClen}
 \pgfusepath{draw}  %draw semicircle
 \pgftext[bottom,at={\pgfpoint{-1.5\IClen}{-1.1\IClen}}]{\pinsize 1}
 \pgftext[bottom,at={\pgfpoint{-.5\IClen}{-1.1\IClen}}]{\pinsize 2}
 \pgftext[bottom,at={\pgfpoint{.5\IClen}{-1.1\IClen}}]{\pinsize 3}
 \pgftext[bottom,at={\pgfpoint{1.5\IClen}{-1.1\IClen}}]{\pinsize 4}
 \pgftext[top,at={\pgfpoint{1.5\IClen}{1.1\IClen}}]{\pinsize 5}
 \pgftext[top,at={\pgfpoint{.5\IClen}{1.1\IClen}}]{\pinsize 6}
 \pgftext[top,at={\pgfpoint{-.5\IClen}{1.1\IClen}}]{\pinsize 7}
 \pgftext[top,at={\pgfpoint{-1.5\IClen}{1.1\IClen}}]{\pinsize 8}
}}
\makeatother

\begin{document}
\begin{circuitikz}
\node[dip8,rotate=-90] (T) {};
\end{circuitikz}
\end{document}