Practice Input Impedance Calculation - 51.1.6 | 51. Common Base and Common Gate Amplifiers (Contd.) : Numerical Examples (Part A) | Analog Electronic Circuits - Vol 3
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define input impedance in your own words.

πŸ’‘ Hint: Think about how resistance works with electric signals.

Question 2

Easy

What is the primary role of a common base amplifier?

πŸ’‘ Hint: Consider where the input and output terminals are located.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the main purpose of a common base amplifier?

  • To increase current
  • To increase voltage
  • To decrease impedance

πŸ’‘ Hint: Consider what is typically measured in amplifiers.

Question 2

True or False: Input impedance in a common base amplifier is generally high.

  • True
  • False

πŸ’‘ Hint: Remember how this type of amplifier operates.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Consider a common base amplifier with a source resistance of 10k Ohms, and an input impedance of 26 Ohms. What would be the expected impact on output voltage?

πŸ’‘ Hint: Use concepts from voltage division to guide your analysis.

Question 2

Design an amplifier circuit aiming for a gain of 50 with the lowest possible input impedance. What components would you select?

πŸ’‘ Hint: Use the voltage gain formula and consider the importance of bypass capacitors.

Challenge and get performance evaluation