Graduate Thesis Or Dissertation
 

Single-Ended Techniques for Delta-Sigma Modulators

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https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/nk322m90n

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  • This work presents a high-resolution Delta-Sigma ADC which combines the use of the pseudo-pseudo-differential noise filtering technique with single-ended ring amplifier based integrators. The pseudo-pseudo-differential noise filtering technique utilizes single-ended circuits while maintaining the even-order rejection found in fully-differential structures which alleviates, in the active analog blocks, the need for differential matching and circuit overhead such as common-mode feedback. Additionally, pseudo-pseudo-differential provides a cancellation of low frequency flicker noise without the need for traditional techniques such as auto-zero, correlated-double-sampling, or chopping and mitigates double-sampling thermal noise penalties by processing input signal twice. Several prototypes are implemented in 180nm CMOS processes which demonstrate the high performance capabilities of these switched-capacitor techniques.
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  • Pending Publication
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  • 2021-05-26 to 2023-06-27

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file details LeeCalvinY2021.pdf 2021-05-26 Público Baixar