98.4.2 - Calculating Feedback Effects
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Practice Questions
Test your understanding with targeted questions
What is the definition of trans-impedance?
💡 Hint: Think about the amplifier's gain.
Explain the function of negative feedback.
💡 Hint: Consider how feedback can improve stability.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does feedback do in amplifier circuits?
💡 Hint: Remember the primary purpose of feedback.
True or False: Feedback increases input resistance.
💡 Hint: Think about its impact on signal reception.
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Challenge Problems
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Design a feedback circuit where the output resistance must not exceed 100 Ω. Given R = 5 kΩ and β = 200, how will you adjust values to meet this criterion?
💡 Hint: What factors in the feedback mechanism can help control resistance?
In a common emitter amplifier circuit with a given feedback network, Z' is measured at 300 kΩ. If the input resistance is 10 kΩ, how might this affect the design?
💡 Hint: Consider how Z' influences total circuit performance.
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