68.1.2 - Introduction
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Practice Questions
Test your understanding with targeted questions
What is an active load?
💡 Hint: Think about how load affects amplifier performance.
Why is it beneficial to match β values in BJTs?
💡 Hint: Consider how current impacts overall circuit behavior.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary purpose of using active loads in amplifiers?
💡 Hint: Consider how load type affects the gain.
True or False: The collector current of both transistors in an active load design should be unequal to maintain performance.
💡 Hint: Remember the importance of balance in multi-transistor configurations.
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Challenge Problems
Push your limits with advanced challenges
Given a circuit diagram of a CE amplifier, analyze the impact of varying the active load resistance on voltage gain and output impedance.
💡 Hint: Consider the relationships established in previous exercises about load resistance.
Determine the effects on the amplifier’s performance if one BJT has a significantly lower beta than its counterpart when both are configured with an active load.
💡 Hint: Think about how effective biasing could mitigate the issue.
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Reference links
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