10.6. p-MOSFET

Try these first

1. 1.

   What type of semiconductor is mainly used in p-MOSFETs?

   Hint

   Consider the majority carriers.

2. 2.

   What happens to holes in a p-MOSFET when a negative voltage is applied to the gate?

   Hint

   Think about the movement of charges.

3. 3.

   What is the primary carrier in a p-MOSFET?

   • Electrons
   • Holes
   • Both

   Hint

   Consider the name of the device.

4. 4.

   True or False: The substrate in a p-MOSFET is p-type.

   • True
   • False

   Hint

   Think about the structure discussed.

5. 5.

   Design a p-MOSFET-based current switch circuit. Explain how you would determine the values of essential components.

   Hint

   Consider the operational limits of a p-MOSFET.

6. 6.

   Given a load that varies, how would you adjust the p-MOSFET's gate voltage to maintain a desired flow? Provide calculations if necessary.

   Hint

   Revisit how gate voltage affects the channel formation.