32.1.3. Basic Operating Principle

Try these first

1. 1.

   What is the primary function of a Common Source Amplifier?

   Hint

   Think about amplification.

2. 2.

   Which component is primarily used in a common source amplifier?

   Hint

   Consider what type of transistor this amplifier uses.

3. 3.

   What type of amplifier configuration is a Common Source Amplifier?

   • Current Amplifier
   • Voltage Amplifier
   • Both

   Hint

   Focus on how signal types are defined in amplifiers.

4. 4.

   True or False: Gate current in a MOSFET is ideally zero.

   • True
   • False

   Hint

   Think about the electrical characteristics of MOSFET design.

5. 5.

   Design a Common Source Amplifier with a voltage gain of 10, given an input signal of 0.5V. What will be the output voltage?

   Hint

   Recall the simple voltage gain formula.

6. 6.

   If a MOSFET requires a gate voltage of 2V and the threshold voltage is 1V, what can you conclude about its operation?

   Hint

   Think about how threshold voltage affects device operation.