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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the purpose of using an active load in a common source amplifier?
💡 Hint: Consider how active components differ from passive ones.
Question 2
Easy
Define voltage gain in the context of amplifiers.
💡 Hint: Think about the relation between input and output signals.
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 reason to use an active load in a common source amplifier?
- To increase voltage gain
- To decrease output resistance
- To simplify design
- To use less power
💡 Hint: Consider the main function of an amplifier.
Question 2
True or False: In a common source amplifier, both MOSFETs must operate in saturation for proper gain.
- True
- False
💡 Hint: Think about the operating regions of a MOSFET.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given the following parameters of a common source amplifier: \(g_m = 3 mS\), \(r_{ds1} = 2 k\Omega\), and \(r_{ds2} = 4 k\Omega\). Calculate the voltage gain and explain if the active load indeed increases the gain.
💡 Hint: Use the rules for parallel resistances to calculate equivalent resistance.
Question 2
Compare the impact of load line slopes on gain when switching from passive to active loading in a common source amplifier setup, offering numerical examples.
💡 Hint: Highlight you can compare directly by evaluating the slope characteristics.
Challenge and get performance evaluation