I'm learning Circuitikz to draw schematics in my reports. I'd like to use the symbol for common; however, it doesn't seem to be there. What are my options?

Common symbol


Example of use:



Test TikZ image:
\begin{circuitikz}[scale=2] \draw
(0,0)   to[V, l=\SI{10}{\milli\volt}, -*]                   (0,2)
        to[R, l=\SI{1}{\kilo\ohm}, i=$i_{in}$, -*, n=r1]        (2,2)
        to[C, l=\SI{10}{\micro\farad}]                      (2,0)
(2,2)   to[R, l=\SI{10}{\kilo\ohm}, v_=$U(x)$]              (4,2)
        to[Tnpn, n=npn]                                     (4,0)
(2,3)   node[op amp] (opamp) {}
(opamp.+) -|                                                (0,2)

(0,0)   node[ground] {}
(2,0)   node[ground] {}
(4,0)   node[ground] {}
(r1) node[below=2mm] {A resistor!}
\caption{Some circuit.}


Changing ground to sground causes a compilation error.

closed as too localized by Jake, Thorsten, mafp, Mensch, Heiko Oberdiek Jun 15 '13 at 12:07

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  • 1
    Are you perhaps looking for the sground symbol (p. 7 in the circuitikz v 0.3.0 manual)? – Jake Jun 15 '13 at 4:01
  • 1
    Maybe you're using an outdated version of circuitikz? Could you edit your question to include a small example document (starting from \documentclass) to show how you're trying to use the symbol? – Jake Jun 15 '13 at 4:35
  • 1
    Thanks for the example. It works fine for me with sground. Could you check in your .log file what version of circuitikz you're using? – Jake Jun 15 '13 at 4:40
  • 1
    Okay, so you'll need to update the package, the signal ground (sground) was only added in version 0.3.0 – Jake Jun 15 '13 at 4:47
  • 1
    Yep! Thanks! I'm doing that now. Installing the latest version of texlive. It's annoying the default one is old (in Ubuntu). – user968243 Jun 15 '13 at 4:52

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