ngspice 21 - Changelog

What's new in ngspice 21:

June 21st, 2010

· Several bugs have been fixed, improving stability and reliability.
· A compatibility mode for dealing with other simulators was added.
· BSIM 4 was updated to release 4.6.5. BSIMSOI was updated to version 4.3.1.
· Transmission lines from kspice were updated and corrected.
· B sources were improved with a PWL function, the addition of "HERTZ", "time" and "temper" variables, and the addition of a Ternary function.
· PWL sources were improved with a repeat parameter (r=value) and a delay parameter (td=value).

What's new in ngspice 18:

December 6th, 2008

· The Tclspice simulator library has been merged with ngspice.
· New options have been introduced: brief, listing, autostop, and scale.
· Support for .lib files has been introduced. .measure statements: avg, integ, rms, max, min, delay, and param. .global statement support. .func macros for inlining functions into netlists.
· The numparam library has been improved to support fully parametrized netlists.
· BSIM model binning.
· New multi-input gate VCVS using XSPICE extensions.