7.6. BJT Configurations

Try these first

1. 1.

   What is the voltage gain characteristic of the Common Emitter configuration?

   Hint

   Consider its ability to amplify signals.

2. 2.

   Which configuration is known for having no phase shift?

   Hint

   Think about when the output phase aligns with the input phase.

3. 3.

   What is the main advantage of the Common Emitter configuration?

   • Low input impedance
   • High voltage gain
   • No phase shift

   Hint

   Consider which configuration is typically used for amplifying audio signals.

4. 4.

   True or False: The Common Collector configuration has a voltage gain greater than 1.

   • True
   • False

   Hint

   Remember what happens to the voltage in a buffer configuration.

5. 5.

   Consider a scenario where a Common Emitter amplifier circuit is used for audio applications. Design the circuit with specified parameters for input, gain, and output. Explain your design choices.

   Hint

   Stay focused on what the audio applications demand in terms of quality and gain.

6. 6.

   A project requires you to use a Common Collector configuration to drive a load. Discuss the consideration metrics for selecting the transistor and analyze the impedance impact on the load.

   Hint

   Remember, Common Collector should not change the signal but keep it strong.