After the installation, place the source, right click on it, select “Properties…” and set its name and value
![setvdd12v](https://youspice.com/wp-content/uploads/2015/01/setvdd12v_6367576492649476496.png)
Perform the same steps for the dual source and position them on the layout
![](https://youspice.com/wp-content/uploads/2015/01/sourceplaced_274645548852200943.png)
Now, from Sources Library, select Vsin component as input signal source for Op. amplifier
![](https://youspice.com/wp-content/uploads/2015/01/nowvsinavailableincomponents_7180091396184846200.png)
On the top toolbar click on “Vcc Power Port”, give it a name and place on the schematic
![](https://youspice.com/wp-content/uploads/2015/01/Placepowerport_7103202454319989052.png)
Name the dual sources VDD and VEE. After placing them in the layout, the schematic will resemble the following:
![](https://youspice.com/wp-content/uploads/2015/01/portplaced_2246890471227084226.png)
Let’s select the ground reference from the top toolbar and place on the layout
![](https://youspice.com/wp-content/uploads/2015/01/selectground_2798806462358446740.png)
![](https://youspice.com/wp-content/uploads/2015/01/groundplaced_3347767065592755760.png)
On the top tollbar click on “Place Wire” icon and let’s begin to wire the schematic
![](https://youspice.com/wp-content/uploads/2015/01/placewire_3837185737072517605.png)
![](https://youspice.com/wp-content/uploads/2015/01/startwiring_2905343009662099474.png)