Cooper LP800 Guia do Utilizador descarregar pdf (Página 483)

100

101

Mixed Analo

/Di

ital Tutorial 17

-27

Runnin

the Simulation

To run the simulation

From the Analysis menu, select Simulate.

Because the oscillator circuit used here has been run with

only a transient analysis, Probe automatically selects the

transient analysis data section from the Probe data file. This

means that the Available Selection dialog box is skipped

and control is placed immediately into the main Probe

window.

Anal

zin

Simulation Results

To view the clock input to the inverter (volta

e at

net 1)

From the Trace menu, select Add to display the Add Traces

dialog box.

In the Simulation Output Variables list, click

V(1) to plot

the voltage at net 1.

To add a second

-axis to avoid analo

trace

overlap

From the Plot menu, select Y Axis Settings.

In the Data Range frame, select User Defined and set the

range from -5 to 5. This will change the range for the current

y-axis.

From the Plot menu, select Add Y Axis.

From the Plot menu, select Y Axis Settings.

In the Data Range frame, select User Defined and set the

range from 0 to 10.

In the Scale frame, select Linear then click OK. (See

Figure 17-9.)

or press !

or press I

You can also use aliases to refer

to nets. For example, V(U2:A)

refers to the same net as V(1).

In the plot window, double-click the y-axis

press C

ote t

at t

)

at t

bottom of the plot is preceded by

a boxed 1. This indicates that the

far-left y-axis applies to the V(1)

waveform.

In the Y Axis Settin

s dialo

box,

you can chan

e to the settin

for another y-axis by selectin

from the Y axis Number box.

1 2 ... 478 479 480 481 482 483 484 485 486 487 488 ... 566 567

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