User`s guide

Definin
g
a Time-Based Stimulus 11
-3
Definin
g
a Time-Based
Stimulus
Overview of Stimulus
Generation
Symbols that generate input signals for your circuit can be
divided into two categories:
• those whose transient behavior is characterized graphically
using the Stimulus Editor
• those whose transient behavior is characterized by manually
defining their attributes within Schematics
Their symbols are summarized in Table 11-1
.
Table 11-1
Stimulus Symbols for Time-Based Input Signals
Specified by... Symbol Name Description
Using the Stimulus
Editor
VSTIM voltage source
ISTIM current source
IF_IN
INTERFACE
interface ports
(digital stimuli)
DIGSTIM digital stimulus
Defining symbol
attribute
VSRC
VEXP
VPULSE
VPWL
VPWL_RE_FOREVER
VPWL_F_RE_FOREVER
VPWL_N_TIMES
VPWL_F_N_TIMES
VSFFM
VSIN
voltage sources
Note
PSpice A/
D Basics+ does not
include the Stimulus
Editor.
not
included
in: