60.2. Summary of the Lecture

Try these first

1. 1.

   Define the function of the Common Collector stage.

   Hint

   Think about input and output characteristics.

2. 2.

   What does 'biasing' mean in relation to transistors?

   Hint

   Consider how a transistor’s operation is influenced by its input.

3. 3.

   What is the primary function of the Common Collector stage?

   • To increase voltage gain
   • To match impedances
   • To reduce current

   Hint

   Consider the input and output characteristics of the stage.

4. 4.

   True or False: The Common Emitter stage provides higher input impedance than a Common Collector stage.

   • True
   • False

   Hint

   Reflect on the roles of each stage in an amplifier configuration.

5. 5.

   Design a multi-transistor amplifier using a CC and CE stage that can amplify a 1V AC signal to 10V. Include calculations for all required resistances.

   Hint

   Begin with base and collector current relationships.

6. 6.

   Evaluate how introducing a Darlington pair could impact overall circuit performance, especially regarding input capacitance and gain.

   Hint

   Consider feedback issues and signal integrity as performance factors.