NG-SPICE is the program being developed as the replacement for Berkeley SPICE. Using the Berkeley code as a starting point, the NG-SPICE team is working on improving the build system, adding to the models, and improving the analysis capability. SPICE is a general-purpose circuit simulation program for nonlinear dc, nonlinear transient, and linear ac analyses. Circuits may contain resistors, capacitors, inductors, mutual inductors, independent voltage and current sources, four types of dependent sources, lossless and lossy transmission lines (two separate implementations), switches, uniform distributed RC lines, and the five most common semiconductor devices: diodes, BJTs, JFETs, MESFETs, and MOSFETs. NG-SPICE is part of the gEDA project. This package provides NG-SPICE shared libraries, allowing third-parties applications to control ng-spice
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