xspice provides compatibility with keyfeatures from spice2 which are
absent from spice3. This means many models available on the internet or
from manufactures which were written in spice2 will be compatible with
ngspice.
Signed-off-by: Adam Vandenberg <flangy@gmail.com>
NGSpice, http://ngspice.sourceforge.net/, is a mixed mode - mixed level
circuit simulator based on berkley spice3f5.
It can be used to perform discreet circuit analysis and plot results.
Signed-off-by: Adam Vandenberg <flangy@gmail.com>
