What you are expected to learn

At the end of this module, you should be able to:

• Describe what a junction diode is and how it is made.

• Define depletion region and barrier voltage.

• Explain the difference between forward bias and reverse bias of a diode.

• Draw and label the schematic symbol for a diode.

• Describe three diode construction techniques.

• Identify the most common diode packages.

• Test diodes using an ohmmeter.