Cooper LP800 Guia do Utilizador descarregar pdf (Página 79)

100

101

Parametric Analysis 2

-27

Anal

zin

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

all 21 traces in Probe

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.

ure 2-23

Small Signal Response as R1 is Varied from

100Ω to 10 kΩ

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

From the Trace menu, select Add.

In the Trace Expression text box, type the following:

Vdb(Out)@1 Vdb(Out)@21

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

symbol in the

end below the x-axis.

You can also remove the traces

by deletin

the VDB marker in

Schematics.

or press I

You can avoid some of the typin

for the Trace Expression text box

by selectin

V(OUT) twice in the

trace list and insertin

text where

appropriate in the resultin

Trace

Expression.

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