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The gain-bandwidth conflict is one the most important limitations of high gain feedback amplifiers. In this tutorial paper we will discuss in a unified manner the most important approaches aimed to design amplifiers with a constant closed-loop bandwidth. Advantages and drawbacks are evidenced and new potential solutions are also formulated.
Circuits and Systems I: Regular Papers, IEEE Transactions on (Volume:58 , Issue: 9 )
Date of Publication: Sept. 2011