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3 cards from this section. Quick, good the night before a test.
What is the formula for voltage gain in a feedback system?
Consider how forward amplifier gain and feedback factor interplay.
Define the desensitization factor in the context of feedback systems.
Think about how feedback changes circuit behavior.
What is the primary function of the feedback factor (β) in a feedback system?
Think about how feedback impacts circuit stability.
Output resistance decreases with feedback: True or False?
Remember how feedback is used in designs.
A feedback amplifier has a forward gain of 150, a feedback factor of 0.05, and an output resistance of 1 kΩ. Calculate the resulting input and output resistances.
Start with the formulas and substitute the known values.
If the input voltage to a feedback system is 200 mV and the calculated gain is 12, what is the expected output voltage?
Remember the role of voltage gain!
4 more questions in this section. Enroll free to practise them all.
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