44.1. Common Collector Amplifier Analysis

Try these first

1. 1.

   What is the main characteristic of a common collector amplifier?

   Hint

   Think about how it interacts with the components connected to it.

2. 2.

   List one application of common collector amplifiers.

   Hint

   Consider where low output impedance is useful.

3. 3.

   What is the voltage gain of a common collector amplifier?

   • Less than 1
   • Equal to 1
   • Greater than 1

   Hint

   Think about the function it serves in a circuit.

4. 4.

   True or False: A common collector amplifier has low input impedance.

   • True
   • False

   Hint

   What does high input impedance prevent?

5. 5.

   Design a common collector amplifier circuit that connects a 10kΩ source to a 200Ω load. Discuss the potential impact on signal inversion and amplification.

   Hint

   What is the role of output impedance in buffering?

6. 6.

   Given a circuit diagram of a common collector configuration with specified resistors, calculate the expected input and output resistances.

   Hint

   Refer to the earlier calculated formulas regarding input and output resistance.