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2 cards from this section. Quick, good the night before a test.
What is the effect of feedback on output resistance in an ideal situation?
Consider what happens with an ideal feedback network.
Define the feedback factor (β) in your own words.
Think about how feedback influences circuit behavior.
What is the output resistance in an ideal feedback system?
Think about how feedback works in circuit theory.
True or False: Negative feedback always increases gain.
Consider the trade-off between stability and amplification.
A voltage amplifier has an open-loop gain of 150 and a feedback factor of 0.05. Calculate the closed-loop gain and the output resistance given an input resistance of 2k Ohms and a feedback resistance of 1k Ohms.
Use formulas for gain and resistance considering feedback components.
Design a feedback circuit for a trans-conductance amplifier that ensures stable output characteristics with finite input resistance. What design modifications would you propose to maintain performance?
Think about how you can balance input/output resistances effectively.
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