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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the formula for voltage gain in a common source amplifier?
💡 Hint: Recall the relationship between output voltage, input voltage, and weights.
Question 2
Easy
Define transconductance.
💡 Hint: Focus on what transconductance measures in circuits.
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 primary purpose of small signal analysis in amplifiers?
- To optimize DC performance
- To analyze AC performance ignoring DC
- To reduce circuit complexity
💡 Hint: Think about types of signals analyzed in this approach.
Question 2
True or False: The output resistance decreases as the gain increases in an amplifier.
- True
- False
💡 Hint: Consider relationships between amplifier performance parameters.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a small signal equivalent circuit for a common source amplifier with given parameters. Calculate voltage gain and input/output resistances.
💡 Hint: Start by determining the DC operating point and work through the analysis step by step.
Question 2
Explore how varying $g_m$ in a transconductance amplifier affects output current for a fixed input voltage.
💡 Hint: Consider the relationship: output current = g_m × input voltage.
Challenge and get performance evaluation