Two stage fully differential opamp with common mode feedback
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Two Stage fully differential opamp with Common Mode Feedback PowerPoint PPT Presentation


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Two Stage fully differential opamp with Common Mode Feedback. Design Review 3-31-11 Yuan Ji Curtis Mayberry. Design Schematic. Bias Circuit for First Stage. Bias Circuit for First Stage(Continued). Bias Circuit for Second Stage. Push the Zero to LHP. CMFB. CMFB. First Stage.

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Two Stage fully differential opamp with Common Mode Feedback

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Two Stage fully differential opamp with Common Mode Feedback

Design Review

3-31-11

Yuan Ji

Curtis Mayberry


Design Schematic


Bias Circuit for First Stage


Bias Circuit for First Stage(Continued)


Bias Circuit for Second Stage


Push the Zero to LHP


CMFB


CMFB


First Stage


Results


Performance

  • Power

  • Current

  • Performance


Gain and Phase Bode Plots and GB product


Slew Rate +


Slew Rate -


CMRR-Common Mode Gain


Linear Output Swing Range


ICMR


Overshoot


Settling Time


CMFB Loop Stability


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