56.6. Configurations of Amplifiers

Try these first

1. 1.

   Define the Common Collector (CC) configuration.

   Hint

   Think about where the input and output connections are made.

2. 2.

   What is the advantage of high input resistance?

   Hint

   Consider how it affects the total circuit.

3. 3.

   What is the main feature of CC configuration?

   • Low input resistance
   • High output resistance
   • High input resistance

   Hint

   Remember the specific advantages of this configuration.

4. 4.

   True or False: Cascading CE with CC reduces the output resistance.

   • True
   • False

   Hint

   Think about how the two configurations interact.

5. 5.

   Given a circuit with a CC stage before a CE stage, calculate the overall input resistance if R1 = 10kΩ and β2 = 100.

   Hint

   Use the parallel resistance formula for the total resistance.

6. 6.

   Explain how adjusting the load resistance connected to a CC output affects the performance of the entire amplifier system.

   Hint

   Reflect on the relationship between voltage, current, and resistance.