56.5.1. Multi-Transistor Amplifiers: Operation and Analysis (Part B)

Try these first

1. 1.

   What does CC stand for in transistor configurations?

   Hint

   Think about which terminal is common.

2. 2.

   What is the primary advantage of using a CC configuration?

   Hint

   Consider its role in signal transfer.

3. 3.

   What is the primary advantage of the CC configuration?

   • High output resistance
   • High input resistance
   • Increased gain

   Hint

   Consider what happens to the signal input.

4. 4.

   True or False: The cascading of CC and CE stages results in decreased overall bandwidth.

   • True
   • False

   Hint

   Reflect on the effects of load on bandwidth.

5. 5.

   Design a multi-stage amplifier using one CE and one CC configuration. Calculate the expected input resistance and compare it with a single CE configuration.

   Hint

   Use the relationship of input resistances from both configurations.

6. 6.

   Explain how increasing the collector current impacts the output resistance of a CC stage.

   Hint

   Consider the impact of transconductance on circuits.