circuitikz を使ってみた. インクルードは以下の通り.
\usepackage{circuitikz}
MPPC の模式図を書いたのが以下
\begin{figure}[h] \centering \begin{circuitikz} \ctikzset{bipoles/resistor/height=0.15} \ctikzset{bipoles/resistor/width=0.4} \draw(1.5,5) to[short, o-](1.5,4); \draw(1.5,4) to[short](0,4); \draw(1.5,4) to[short](3,4); \draw(0,4) to[short](0,3.5) to[european resistor](0,2) to[D*] (0,1) to[short](0,0.5); \draw(1,4) to[short](1,3.5) to[european resistor](1,2) to[D*] (1,1) to[short](1,0.5); \draw(2,4) to[short](2,3.5) to[european resistor](2,2) to[D*] (2,1) to[short](2,0.5); \draw(3,4) to[short](3,3.5) to[european resistor, l=Quenching resistors](3,2) to[D*, l=APD pixels] (3,1) to[short] (3,0.5); \draw(0,0.5) to[short](1.5,0.5); \draw(3,0.5) to[short](1.5,0.5); \draw(1.5,0.5) to[short, -o](1.5,-0.5); \end{circuitikz} \caption[Schematic circuit of one MPPC]{Schematic circuit of one MPPC.} \end{figure}
short
が導線, european resistor
が抵抗, D*
がダイオードなど...