SPICE (Simulation Program with Integrated Circuit Emphasis).
SPICE is a general-purpose, open source analog electronic circuit simulator. It is a powerful program that is used in integrated circuit and board-level design to check the integrity of circuit designs and to predict circuit behavior. It was originally developed at the Electronics Research Laboratory of the University of California, Berkeley (1975). The source code was made freely available and has been used as the basis of many commercial simulators, and academic projects. Thus, there is not a single SPICE software but a variety of free and commercial versions.
SPICE combinesoperating point solutions, transient analysis, and various small-signal analyses with the circuit elements and device models needed to successfully simulate many circuits.Itincludesanalysessuch as:
• AC analysis (linear small-signal frequency domain analysis)
• DC analysis (nonlinear quiescent point calculation)
• DC transfer curve analysis (a sequence of nonlinear operating points calculated while sweeping an input voltage or current, or a circuit parameter)
• Noise analysis (a small signal analysis done using an adjoint matrix technique which sums uncorrelated noise currents at a chosen output point)
• Transfer function analysis (a small-signal input/output gain and impedance calculation)
• Transient analysis (time-domain large-signal solution of nonlinear differential algebraic equations).
Usefulness for Luminaire Manufacturers
SPICE would only be used by the small minority of luminaire manufacturers who do not buy ready-made electronic components such as drivers, PCBs, etc.