55.2. Introduction to Multi Transistor Amplifiers

Try these first

1. 1.

   What is the main benefit of using a common collector amplifier?

   Hint

   Think about what makes a good buffer.

2. 2.

   Define multi-transistor amplifiers.

   Hint

   What is the purpose of mixing different configurations?

3. 3.

   What is the primary advantage of a common emitter amplifier?

   • High input impedance
   • High voltage gain
   • Low output impedance

   Hint

   Consider which configuration is known for its voltage amplification capabilities.

4. 4.

   True or False: Common collector amplifiers are primarily used for voltage amplification.

   • True
   • False

   Hint

   Reflect on the primary use of the common collector configuration.

5. 5.

   Design a multi-transistor amplifier circuit combining CE, CC, and CB configurations. Explain your design choices and how they enhance overall performance.

   Hint

   Think about how the characteristics of each configuration will impact your design goals.

6. 6.

   Examine the performance of a multi-transistor amplifier when increasing source resistance from 10 Ohms to 1k Ohm. Discuss the implications on voltage gain.

   Hint

   Consider the relationship between source resistance and the input impedance of different configurations.