Nano-power switched-capacitor bandpass filters for medical implantable pacemakers and defibrillators
This paper presents switched-capacitor bandpass filters used within the sense system of implantable medical devices such as cardiac pacemakers and defibrillators. This work examines the methods; including filter architecture, discrete-time transformation, and operational amplifier (opamp) topology;...
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| creator | Zadeh, A.E. |
| description | This paper presents switched-capacitor bandpass filters used within the sense system of implantable medical devices such as cardiac pacemakers and defibrillators. This work examines the methods; including filter architecture, discrete-time transformation, and operational amplifier (opamp) topology; to reduce current consumption and to lower supply voltages for switched capacitor filters to reach nano-watt level of power consumption. The implemented fourth-order intra-cardiac signal bandpass filter is in a standard analog CMOS process and has power consumption of 210 nW using 1024 Hz system clock. |
| doi_str_mv | 10.1109/MWSCAS.2008.4616728 |
| format | Conference Proceeding |
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This work examines the methods; including filter architecture, discrete-time transformation, and operational amplifier (opamp) topology; to reduce current consumption and to lower supply voltages for switched capacitor filters to reach nano-watt level of power consumption. The implemented fourth-order intra-cardiac signal bandpass filter is in a standard analog CMOS process and has power consumption of 210 nW using 1024 Hz system clock.</description><subject>Active filters</subject><subject>Band pass filters</subject><subject>Capacitors</subject><subject>Filtering theory</subject><subject>Gain</subject><subject>Pacemakers</subject><subject>Transfer functions</subject><issn>1548-3746</issn><issn>1558-3899</issn><isbn>9781424421664</isbn><isbn>1424421667</isbn><isbn>1424421675</isbn><isbn>9781424421671</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2008</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNo1kMtOwzAQRc1Loi39gm7yAwm24-eyqnhJBRYFsawmzlgYnDaKI1X8Pa4oq6uZM_fqaghZMFoxRu3t88dmtdxUnFJTCcWU5uaMTJngQvA8yXMyYVKasjbWXpC51eafKXF5ZCIzLdQ1mab0RSmvNbMT0r7Abl_2-wMORTqE0X1iWzrowYVxPxQN7NoeUip8iCMOWfOywzY4iEXo-gi7EZqIRTZgB9_Hk2wpWvShGUKMkFPSDbnyEBPOTzoj7_d3b6vHcv368LRarsvAtBxL6YyTXHqDIG1ja0cb6xRVXnmJnoNwqvGodO6uwAkprOdKaynBWOocr2dk8ZcbEHHbD6GD4Wd7-lb9C7rYXKk</recordid><startdate>200808</startdate><enddate>200808</enddate><creator>Zadeh, A.E.</creator><general>IEEE</general><scope>6IE</scope><scope>6IH</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIO</scope></search><sort><creationdate>200808</creationdate><title>Nano-power switched-capacitor bandpass filters for medical implantable pacemakers and defibrillators</title><author>Zadeh, A.E.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i175t-5c8c525f8ea59b93c0b9c606f6f5ef2a4c6bfe670236ac4549f267755a890cc23</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Active filters</topic><topic>Band pass filters</topic><topic>Capacitors</topic><topic>Filtering theory</topic><topic>Gain</topic><topic>Pacemakers</topic><topic>Transfer functions</topic><toplevel>online_resources</toplevel><creatorcontrib>Zadeh, A.E.</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan (POP) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP) 1998-present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Zadeh, A.E.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Nano-power switched-capacitor bandpass filters for medical implantable pacemakers and defibrillators</atitle><btitle>2008 51st Midwest Symposium on Circuits and Systems</btitle><stitle>MWSCAS</stitle><date>2008-08</date><risdate>2008</risdate><spage>29</spage><epage>32</epage><pages>29-32</pages><issn>1548-3746</issn><eissn>1558-3899</eissn><isbn>9781424421664</isbn><isbn>1424421667</isbn><eisbn>1424421675</eisbn><eisbn>9781424421671</eisbn><abstract>This paper presents switched-capacitor bandpass filters used within the sense system of implantable medical devices such as cardiac pacemakers and defibrillators. This work examines the methods; including filter architecture, discrete-time transformation, and operational amplifier (opamp) topology; to reduce current consumption and to lower supply voltages for switched capacitor filters to reach nano-watt level of power consumption. The implemented fourth-order intra-cardiac signal bandpass filter is in a standard analog CMOS process and has power consumption of 210 nW using 1024 Hz system clock.</abstract><pub>IEEE</pub><doi>10.1109/MWSCAS.2008.4616728</doi><tpages>4</tpages></addata></record> |
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| ispartof | 2008 51st Midwest Symposium on Circuits and Systems, 2008, p.29-32 |
| issn | 1548-3746 1558-3899 |
| language | eng |
| recordid | cdi_ieee_primary_4616728 |
| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Active filters Band pass filters Capacitors Filtering theory Gain Pacemakers Transfer functions |
| title | Nano-power switched-capacitor bandpass filters for medical implantable pacemakers and defibrillators |
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