65.3.2. Example Using MOSFET

Try these first

1. 1.

   What is the primary benefit of using a cascode amplifier?

   Hint

   Think about the main reason for amplifiers.

2. 2.

   How does switching to an active load affect gain?

   Hint

   Look at the effects of resistance in circuits.

3. 3.

   What is the voltage gain of the cascode amplifier given a transconductance of 2mA/V and load resistance of 5MΩ?

   • -4
   • -5000
   • -2000

   Hint

   Look for the multiplication of resistance with transconductance.

4. 4.

   Cascode amplifiers primarily improve what aspect of amplification?

   • True
   • False

   Hint

   Consider their function in electronic circuits.

5. 5.

   Design a cascode amplifier circuit with specified gain and load resistance. Discuss the expected challenges and trade-offs.

   Hint

   Think through each calculator parameter like resistance and transconductance.

6. 6.

   Compare and analyze the performance of a cascode amplifier and a common source amplifier in terms of gain and bandwidth. Provide quantitative examples.

   Hint

   Utilize previously derived formulas for precise evaluation.