gnucap man page on Cygwin

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GNUCAP(1)			  Debian GNU			     GNUCAP(1)

NAME
       gnucap - GNU Circuit Analysis Package

SYNOPSIS
       gnucap [-b filename] [-i filename]

DESCRIPTION
       GNUCAP  is  a general purpose circuit simulator.	 It performs nonlinear
       dc and transient analyses, fourier analysis, and ac analysis linearized
       at an operating point.  It is fully interactive and command driven.  It
       can also be run in batch mode or as a server.  The output  is  produced
       as  it simulates.  Spice compatible models for the MOSFET (level 1,2,3)
       and diode are included in this release.

       Since it is fully interactive, it is possible to make changes  and  re-
       simulate	 quickly.   The interactive design makes it well suited to the
       typical iterative design process used it optimizing a  circuit  design.
       It  is  also well suited to undergraduate teaching where Spice in batch
       mode can be quite intimidating.	This version, while  still  officially
       in  beta test, should be stable enough for basic undergraduate teaching
       and courses in MOS design, but not for bipolar design.

       In batch mode it is mostly Spice compatible, so it is often possible to
       use the same file for both GNUCAP and Spice.

       The analog simulation is based on traditional nodal analysis with iter‐
       ation by Newton's method and LU	decomposition.	 An  event  queue  and
       incremental  matrix update speed up the solution for large circuits (at
       some expense for small circuits).

       It also has digital devices for mixed signal simulation.	  The  digital
       devices may be implemented as either analog subcircuits or as true dig‐
       ital models.  The simulator will automatically determine which to  use.
       Networks	 of  digital devices are simulated as digital, with no conver‐
       sions to analog between gates.  This results in digital circuits	 being
       simulated  faster  than on a typical analog simulator, even with behav‐
       ioral models.  The digital mode is experimental and needs work.	 There
       will be substantial improvements in future releases.

OPTIONS
       Two command-line options are available. Only one of these may be speci‐
       fied. If no parameters are given,  gnucap  will	start  in  interactive
       mode.

       -b filename
	      execute the commands in the named file then exit (batch mode)

       -i filename
	      execute  the commands in the named file then go into interactive
	      mode

BUGS
       See /usr/share/doc/gnucap/bugs  for  a  list  of	 known	bugs  in  this
       release.

       GNUCAP  is an ongoing research project.	It is being released in a pre‐
       liminary phase in hopes that it will be useful and that others will use
       it  as  a thrust or base for their research.  I also hope for some com‐
       ments that may help me direct my research.

AUTHOR
       GNUCAP is being written by Albert Davis <aldavis@ieee.org>

       This manual page was written by Jon Rabone <jkr@debian.org>, maintained
       by Hamish Moffatt <hamish@debian.org> for the Debian package of gnucap,
       and tweaked by Peter H. Li <chinasaurli@gmail.com> for Cygwin.

       For additional documentation, please see:
       http://gnucap.org/dokuwiki/doku.php?id=gnucap:manual
       http://gnucap.org/gnucap-man-html/index.html
       http://gnucap.org/gnucap-man.pdf

Debian Project			 November 2001			     GNUCAP(1)
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