Cadence PSPICE SCHEMATIC Bedienungsanleitung PDF herunterladen (Seite 16)

4. Time Domain (Transient). This calculates the currents and voltages in a circuit at various

points in time, allowing you to make a plot of a voltage or voltage as a function of time. The

resulting plot would correspond to what you might see on the oscilloscope if you were measuring

the circuit in lab.

Each of the analysis options requires the proper choice of source(s) in the circuit. (This is why

there are so many different source options.) Obviously, the two types of DC analysis require DC

sources, VDC and IDC being the most common. The AC sweep uses the VAC or IAC sources,

for which only the amplitude is speciﬁed. Time domain analysis requires sources whose time

behavior is well speciﬁed, and so there are more options and the sources themselves require more

parameters. Two of the more commonly used time domain sources are VSIN, which is a sine

function, with speciﬁed amplitude and frequency and VPULSE, which is a square wave requiring

a number of parameters to deﬁne the shape of the pulse.

For this example, we are interested only in the DC values of the circuit, so choose “Bias Point”

in the drop-down menu in the upper left of the dialog box and click “OK”.

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Cadence PSPICE SCHEMATIC Bedienungsanleitung Seite 16