98.5 - Conclusion
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Practice Questions
Test your understanding with targeted questions
What is the primary purpose of feedback in amplifier circuits?
💡 Hint: Think about what happens when feedback is applied.
Define trans-impedance.
💡 Hint: It relates output effects based on input actions.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main effect of negative feedback in amplifier design?
💡 Hint: Consider how feedback mechanisms directly influence performance.
True or False: The trans-impedance remains constant despite changes in circuit parameters once feedback is applied.
💡 Hint: Reflect on how feedback interacts with circuit parameters.
1 more question available
Challenge Problems
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Given an amplifier with a trans-impedance of 250 kΩ, and β of 3, calculate the new trans-impedance when feedback is applied.
💡 Hint: Use the trans-impedance formula involving feedback.
Discuss how changing the value of feedback resistor affects the performance of a common emitter amplifier.
💡 Hint: Consider the balance between gain and stability.
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