91.1 - Feedback System (Part B)
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Practice Questions
Test your understanding with targeted questions
What is the main purpose of sampling in a feedback system?
💡 Hint: Think about the role of feedback in control systems.
Explain the difference between shunt sampling and series mixing.
💡 Hint: How do these configurations affect the flow of signals?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What configuration indicates voltage sampling?
💡 Hint: Remember how we achieved voltage feedback!
The term 'Loop Gain' describes what?
💡 Hint: What happens to output when feedback is strong?
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Challenge Problems
Push your limits with advanced challenges
An amplifier with a transconductance of 3 S has an input voltage of 2 V. Calculate the output current.
💡 Hint: Use the transconductance formula and rearrange it.
If the feedback factor β is 0.1 and the loop gain is -β*A = -0.5, what is A?
💡 Hint: Reorganize the loop gain equation to isolate A.
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