From the “Semiconductors” tab, select a diode:
![](https://youspice.com/wp-content/uploads/2015/01/selectdiode_6373335342721430703.png)
Double-click on it and choose the type of diode you need
![](https://youspice.com/wp-content/uploads/2015/01/setdiode_7512179912339660438.png)
Now, let’s add the dual DC power supplies. Select the “Sources” tab and choose the battery option:
![](https://youspice.com/wp-content/uploads/2015/01/selectsource_9180550746933079658.png)
![](https://youspice.com/wp-content/uploads/2015/01/battery_1712931782719039278.png)
Double-click on each of them and set them to +35V and -35V, respectively:
![](https://youspice.com/wp-content/uploads/2015/01/setbatteries_2458806408288209180.png)
From the “Special” tab, select the “Jumper.”
![](https://youspice.com/wp-content/uploads/2015/01/jumper_5174633604095654390.png)
jumpers are important for simplifying the power supply connections
![](https://youspice.com/wp-content/uploads/2015/01/semplifyconnection_5400155792280172733.png)