Parameterized subcircuits in the SPICE-PAC package of simulation subroutines

Zuberek, W. M. (1987) Parameterized subcircuits in the SPICE-PAC package of simulation subroutines. In: 1987 Canadian Conference on Very Large Scale Intergration, October 25–27, 1987, Winnipeg, Manitoba, Canada.

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Abstract

SPICE-PAC is a package of simulation subroutines which is upward compatible with the popular SPICE- 2G circuit simulator, i.e., SPICE-PAC accepts SPICE data files and performs the same analyses, but also provides a number of extensions, for example, it sup- ports circuit variables, contains an interface to libraries of standard designs, and allows to enhance the package capabilities by user defined procedures. Param- eterized subcircuits generalize the original concept of subcircuits; each parameterized invocation contains a list of substitutions performed during subcircuit ex- pansion. The original requirement of strictly identical subcircuits is thus relaxed to subcircuits with identical topology.

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