{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/45356"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/45356","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Biosignal acquisition for epidermal electronics","abstract":"Amplifiers for biomedical applications have been a subject of study for more than a century. However, it was not until this last decade that amplifiers that conform to the skin mechanics were introduced. The introduction of such a class of electronics brings along technical challenges from the manufacturing and applications perspective. A technique that increases the gain of NMOS-only amplifiers is presented, analyzed, and tested. A 20-dB gain represents a 6.5x increase over the previous generation of single stage skin-conformal amplifiers. Furthermore, a technique that amplifies the residual voltage of electrode arrays is presented and analyzed.","abstract_html":"Amplifiers for biomedical applications have been a subject of study for more than a century. However, it was not until this last decade that amplifiers that conform to the skin mechanics were introduced. The introduction of such a class of electronics brings along technical challenges from the manufacturing and applications perspective. A technique that increases the gain of NMOS-only amplifiers is presented, analyzed, and tested. A 20-dB gain represents a 6.5x increase over the previous generation of single stage skin-conformal amplifiers. 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