\documentclass{article}
\usepackage{pstricks}
\usepackage{pst-circ}
\usepackage{pst-node}

\pagestyle{empty}
\parindent=0pt

\begin{document}



  \begin{pspicture}(9,11)
%  \psgrid[subgriddiv=1,griddots=10]
  % Node definitions
  \pnode(0,0){A}
  \pnode(9,0){B}
  \pnode(0,6){C}
  \pnode(9,6){D}
  \pnode(4.5,1){E}
  \pnode(4.5,10.5){F}
  %
  \switch[tension=false](A)(C){K}
  \multidipole(A)(B)\resistor{$R$}%
    \battery[intensitylabel=$i$]{$V$}.
  \wire(B)(D)
  \multidipole(C)(D)\diode{$D$}\wire.
  \resistor[tensionlabel=U)](C)(F){R1}
  \resistor(C)(E){$R_4$}
  \capacitor[parallel,parallelarm=1.2,
    parallelsep=1.5](C)(E){$C_2$}
  \coil(E)(D){$L$}
  \capacitor[parallel,parallelarm=1.2,
    parallelsep=1.5](E)(D){$C_3$}
  \capacitor[tensionlabel=U](F)(D){C1}
  \multidipole(E)(F)\wire%
    \wire[intersect,
    intersectA=C,intersectB=D]%
    \circledipole[labeloffset=-0.7]{E}%
    \resistor[parallel,
      parallelsep=.6,parallelarm=.8]{$R$}.
  \end{pspicture}



\end{document}
