52.1.1. Prof. Pradip Mandal

Try these first

1. 1.

   Define what a common base amplifier is.

   Hint

   Think about its characteristics.

2. 2.

   What is biasing in the context of amplifiers?

   Hint

   Consider how it affects amplification.

3. 3.

   What is the primary function of a common base amplifier?

   • Current Amplification
   • Voltage Amplification
   • Power Amplification

   Hint

   Recall the main applications of amplifiers.

4. 4.

   True or False: The input impedance of a common base amplifier is high.

   • True
   • False

   Hint

   Think about how the amplifier interacts with its source.

5. 5.

   Design a common base amplifier circuit with specific requirements: input signal of 1V, required output signal of 5V, and calculate the necessary values for resistors and transistor parameters.

   Hint

   Focus on understanding the necessary gain calculations.

6. 6.

   Assess the trade-offs between using a high β BJT versus a low β BJT in common base amplifier applications where power consumption must be minimized.

   Hint

   Evaluate performance vs. efficiency in power applications.