Graduate Thesis Or Dissertation

 

Design Considerations and Circuit Techniques for Robust Ring-Amplifiers Public Deposited

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https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/kp78gp14p

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  • Ring amplifiers (ringamps) have shown excellent power efficiency in the latest state-of-the-art analog to digital converters (ADCs). This thesis describes circuit techniques to ensure robust operation of ringamps using standard analog techniques and proportional-integral-derivative(PID) controller analogy. Large-signal and small-signal analysis of a ringamp are performed using simple RC settling and operational transconductance amplifier (OTA) based analysis. Dead-zone regulation technique is discussed which employs replica biasing and current mirrors for PVT-tolerant operation of ringamp. A passive-compensation technique is discussed for improved large-signal response of ringamps.
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  • Pending Publication
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  • 2019-09-24 to 2020-10-25

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