DC Field | Value | Language |
---|---|---|
dc.contributor.author | Kim, Kwantae | ko |
dc.contributor.author | Kim, Ji-Hoon | ko |
dc.contributor.author | Gweon, Surin | ko |
dc.contributor.author | Lee, Jiwon | ko |
dc.contributor.author | Kim, Minseo | ko |
dc.contributor.author | Lee, Yongsu | ko |
dc.contributor.author | Kim, Soyeon | ko |
dc.contributor.author | Yoo, Hoi-Jun | ko |
dc.date.accessioned | 2019-11-28T01:21:10Z | - |
dc.date.available | 2019-11-28T01:21:10Z | - |
dc.date.created | 2019-11-27 | - |
dc.date.created | 2019-11-27 | - |
dc.date.issued | 2019-02 | - |
dc.identifier.citation | 2019 IEEE International Solid-State Circuits Conference, ISSCC 2019, pp.364 - 366 | - |
dc.identifier.uri | http://hdl.handle.net/10203/268658 | - |
dc.description.abstract | Continuous blood-status monitoring by thoracic impedance or impedance phase measurement [1] is critical in reducing chronic heart failure (CHF) because the symptoms of deterioration are not recognized by patients, thus preventing timely treatment. Therefore, a wearable/implantable bio-impedance (Bio-Z) sensor is required for ambulatory patients to detect early signs of deterioration for appropriate intervention in proper time. Continuous monitoring requires ultralow-power consumption (<10μW) and it requires the high resolution (<0.1Ω) to detect small impedance variations [2]. Prior Bio-Z sensor ICs [2-4] do not satisfy these requirements simultaneously because the resolution depends inversely on the power consumption. Furthermore, previous Bio-Z sensors have a large phase error that is unable to accurately (<1°) and continuously measure phase due to the square-wave modulation scheme of the current generator [3], resulting in intolerable measurement errors [2], or the supply and temperature variations of measurement accuracy due to the limited bandwidth (BW) of readout [2]. Although the pre-demodulation [3] technique can relax BW requirement, conversion loss of sine to square wave demodulation causes SNR degradation by 2/π times, leading to 2.47× increased power consumption. | - |
dc.language | English | - |
dc.publisher | Institute of Electrical and Electronics Engineers Inc. | - |
dc.title | 22.3 A 0.5V 9.26μW 15.28mΩ/√Hz Bio-Impedance Sensor IC with 0.55° Overall Phase Error | - |
dc.type | Conference | - |
dc.identifier.scopusid | 2-s2.0-85063455655 | - |
dc.type.rims | CONF | - |
dc.citation.beginningpage | 364 | - |
dc.citation.endingpage | 366 | - |
dc.citation.publicationname | 2019 IEEE International Solid-State Circuits Conference, ISSCC 2019 | - |
dc.identifier.conferencecountry | US | - |
dc.identifier.conferencelocation | San Francisco, CA | - |
dc.identifier.doi | 10.1109/ISSCC.2019.8662466 | - |
dc.contributor.localauthor | Yoo, Hoi-Jun | - |
dc.contributor.nonIdAuthor | Kim, Kwantae | - |
dc.contributor.nonIdAuthor | Kim, Ji-Hoon | - |
dc.contributor.nonIdAuthor | Gweon, Surin | - |
dc.contributor.nonIdAuthor | Lee, Jiwon | - |
dc.contributor.nonIdAuthor | Kim, Minseo | - |
dc.contributor.nonIdAuthor | Lee, Yongsu | - |
dc.contributor.nonIdAuthor | Kim, Soyeon | - |
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