A new design topology for low-voltage CMOS current feedback amplifiers

@article{Maundy2006AND,
  title={A new design topology for low-voltage CMOS current feedback amplifiers},
  author={Brent Maundy and Ataur R. Sarkar and Stephan J. G. Gift},
  journal={IEEE Transactions on Circuits and Systems II: Express Briefs},
  year={2006},
  volume={53},
  pages={34-38}
}
A new topology for designing low-voltage current feedback amplifiers (CFAs) is presented. By employing a second-generation positive current conveyor followed by an operational amplifier in an unconventional manner, the design circumvents the problem of trying to achieve large transimpedance in a low-voltage environment. It is shown that this CFA configuration also results in near gain independent closed-loop bandwidth defined by a single feedback resistor. The proposed amplifier was verified… CONTINUE READING

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