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Navigation: AutoTRAX PCB Design Express (DEX) > Designs > Circuit Simulation > The Spice Reference Manual > Analysis and output Control >
Operating Point Analysis
The inclusion of this line in an input file directs SPICE to determine the dc operating point of the circuit with inductors shorted and capacitors opened. Note: a DC analysis is automatically performed prior to a transient analysis to determine the transient initial conditions, and prior to an AC small-signal, Noise, and Pole-Zero analysis to determine the linearized, small-signal models for nonlinear devices (see the KEEPOPINFO variable above).