59.3.4. Bandwidth Extension

Try these first

1. 1.

   What is the gain of the common source amplifier discussed?

   Hint

   Refer to the section discussing voltage gain.

2. 2.

   What is the purpose of a common drain stage?

   Hint

   Think about its role in amplifier configurations.

3. 3.

   What is the voltage gain of the common source amplifier?

   • 4
   • 6
   • 8

   Hint

   Look back at the initial discussions of gain.

4. 4.

   True or False: The addition of a common drain stage increases the gain of the amplifier.

   • True
   • False

   Hint

   Focus on the cascading effects discussed.

5. 5.

   Given a load capacitance of 100 pF in a CS amplifier, determine the cutoff frequency and explain its significance in amplifier design.

   Hint

   Make sure to include how changing resistances could influence performance.

6. 6.

   If a CS amplifier has a gain of 6 and you want to increase the bandwidth by cascading stages, what configurations must be examined? Discuss the potential gains and losses.

   Hint

   Use previous sections to support your analysis.