User`s guide

Parametric Analysis 2
-27
Anal
y
zin
g
Waveform Families in
Probe
There are 21 analysis runs, each with a different value of R1.
When Probe starts, it displays the Available Sections dialog box
that lists all 21 runs and the Rval parameter value for each. You
have the option to select one or more runs.
To displa
y
all 21 traces in Probe
1
In the Available Sections dialog box, click OK to accept the
default of all runs. All 21 traces (the entire family of curves)
for VDB(Out) appear in Probe as shown in Figure 2-23.
Fi
g
ure 2-23
Small Signal Response as R1 is Varied from
100Ω to 10 kΩ
2
Click the trace name to select it and then press X to
remove the traces shown.
To compare the last run to the first run
1
From the Trace menu, select Add.
2
In the Trace Expression text box, type the following:
Vdb(Out)@1 Vdb(Out)@21
3
Click OK.
If Probe is not set to run
automatically after simulation,
from the Analysis menu, select
Run Probe.
To select individual runs, click
each one separately.
To see more information about
the section that produced a
specific trace, double-click the
correspondin
g
symbol in the
le
g
end below the x-axis.
You can also remove the traces
by deletin
g
the VDB marker in
Schematics.
or press I
You can avoid some of the typin
g
for the Trace Expression text box
by selectin
g
V(OUT) twice in the
trace list and insertin
g
text where
appropriate in the resultin
g
Trace
Expression.