95.2.1 - Changes in Pole Locations
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Practice Questions
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What is the role of feedback in amplifiers?
💡 Hint: Think about stability.
Define a pole in the context of frequency response.
💡 Hint: What happens to gain at specific frequencies?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What effect does feedback have on amplifier stability?
💡 Hint: Consider the relationship between feedback and stability.
True or False: Poles indicate frequencies where gain increases.
💡 Hint: Recall what happens to gain at poles.
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Challenge Problems
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Given an amplifier with a pole at -2+j4 and a feedback factor of 0.1, calculate the new pole location after feedback.
💡 Hint: Substitute the current location and feedback value in the formula.
A two-pole system has poles at -1 and -10. If a feedback network applies a β value of 0.5, analyze the impact on the response characteristics.
💡 Hint: Calculate each pole's new position and analyze stability.
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