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A practical op-amp has a bandwidth of only 10 Hz. Gain is 106, and the required bandwidth is 100 kHz. How much feedback is required?

A practical op-amp has a bandwidth of only 10 Hz. Gain is 106, and the required bandwidth is 100 kHz. How much feedback is required? Correct Answer 0.99% negative feedback

B2 = B1(1+βA) = 10(1+β106) = 100k 1 + β106 = 10k β = 9.999×10-3 In percentage, feedback β = 0.99% negative feedback.

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