91.2 - Configuration 1: Voltage Sampling and Voltage Mixing Feedback
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Practice Questions
Test your understanding with targeted questions
What is voltage sampling?
💡 Hint: Think about how you can measure without touching the wire.
Explain the purpose of voltage mixing.
💡 Hint: Consider how ingredients are mixed in a recipe.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary function of a voltage sampler?
💡 Hint: Think about measuring water levels without opening the faucet.
The output voltage in a mixing configuration can be expressed as:
💡 Hint: What happens when you take feedback away from the input?
1 more question available
Challenge Problems
Push your limits with advanced challenges
Given a feedback system with a gain A of 2 and feedback ratio β of 0.5, calculate the loop gain. What does this imply for the system's stability?
💡 Hint: Remember how feedback is calculated!
Design a feedback circuit using voltage sampling and mixing where the output needs to be ten times the input voltage, assuming ideal conditions. What values would you propose for the components involved?
💡 Hint: Think about how you can balance the resistor values to achieve the desired gain.
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