62.2.1. Cascode Configuration Using MOSFET

Try these first

1. 1.

   What does the common source configuration primarily do?

   Hint

   Think about where the input is applied.

2. 2.

   What is the purpose of the common gate stage in the cascode amplifier?

   Hint

   Consider what happens at the output.

3. 3.

   What is the main function of a common source amplifier?

   • Current amplification
   • Voltage amplification
   • Power amplification

   Hint

   Remember its operation principle.

4. 4.

   True or False: A common gate amplifier provides high input resistance?

   • True
   • False

   Hint

   Think about the input configuration.

5. 5.

   In a cascode amplifier, if the transconductance of the first stage is 5 mS and the load resistance is 10k ohms, calculate the voltage gain.

   Hint

   Recognize the parameters and units involved.

6. 6.

   Design a simple cascode amplifier circuit, specifying biasing conditions for both MOSFETs to ensure optimal performance.

   Hint

   Structure your design considering the saturation requirements.