Assume that the CMFB circuit in the example in Section 12.6.1 is changed so that the CM-sense

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Assume that the CMFB circuit in the example in Section 12.6.1 is changed so that the CM-sense amplifier has a low-frequency gain |acms0| = 2.5. Determine the compensation capacitor C needed in the op amp to assure that the CMC and DM feedback loops in the example have a phase margin of 45◦ or larger.

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Analysis and Design of Analog Integrated Circuits

ISBN: 978-0470245996

5th edition

Authors: Paul R. Gray, ‎ Paul J. Hurst Stephen H. Lewis, ‎ Robert G. Meyer

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