55.1.2. Department of Electronics and Electrical Communication Engineering

Try these first

1. 1.

   What is the primary purpose of cascading different transistor configurations?

   Hint

   Think about the advantages of each individual configuration.

2. 2.

   What does a common collector configuration primarily achieve?

   Hint

   Consider how it might function in a circuit.

3. 3.

   What is the primary advantage of cascading a common emitter with a common collector?

   • To achieve higher gain
   • To decrease output impedance
   • To increase input capacitance

   Hint

   Focus on what output impedance affects in a circuit.

4. 4.

   True or False: A common collector amplifier can operate as a voltage amplifier.

   • True
   • False

   Hint

   Consider the gain characteristics of each configuration.

5. 5.

   Design a multi-stage amplifier using a common emitter followed by a common collector stage, and analyze the advantages of this configuration.

   Hint

   Refer to the benefits of each stage in terms of input/output impedance and gain characteristics.

6. 6.

   Evaluate the performance metrics of a common base amplifier when placed after a common emitter stage.

   Hint

   Consider how cascading affects the overall gain and impedance characteristics.