% r.tex  92.04.13
% man circuit r .
% Copyright 1983-1992   Albert Davis
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\section{{\tt R}: Resistor}
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\subsection{Syntax}
\begin{verse}
{\tt R}{\it xxxxxxx n+ n-- value}\\
{\tt R}{\it xxxxxxx n+ n-- expression}
\end{verse}
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\subsection{Purpose}

Resistor, or general current controlled dissipative element.
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\subsection{Comments}

{\it N+} and {\it n--} are the positive and negative element nodes,
respectively.  {\it Value} is the resistance in Ohms.

The resistor (type {\tt R}) differs from the admittance (type {\tt Y}) in
that the resistor is a current controlled element, and the conductance is a
voltage controlled element, in addition to the obvious use of conductance
($1/R$) instead of resistance.

%Spice-3 has model for semiconductor resistor.  Syntax: ... val mname L=len
%W=width.  Val overrides l and w.
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