What type of feedback is featured in the...

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Question 1 of 2066636eed28f7522a1c51dce9

What type of feedback is featured in the transistor amplifier shown in figure "B" of the illustration assuming that the phase relationship between input and output is identical to the transistor amplifier shown in figure "A"? Illustration EL-0045

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Question 1 of 20

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🔍 Key Concepts

• Feedback path from output back to the transistor’s base in figure B • Relationship between feedback signal phase and the original input when it arrives back at the input • Difference between regenerative (positive) and degenerative (negative) feedback terminology

💭 Think About

• Trace the path from the output node in figure B back to the input/base circuit and decide whether that feedback voltage will add to or subtract from the original input signal at the base • Compare the phase of the output in figure A to the input; then ask what must be true of the feedback in figure B if the overall phase relationship is stated to be identical • Recall how positive vs negative feedback affects amplifier gain and stability; which type is usually called regenerative and which is usually called degenerative?

✅ Before You Answer

• Confirm whether the feedback in figure B is in phase or out of phase with the input when it reaches the base • Verify the standard terminology: regenerative = ? feedback and degenerative = ? feedback • Make sure you’re looking at the closed-loop amplifier behavior, not just the transistor’s internal phase shift

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