Integrated Circuit for Super-Regenerative Low-Frequency Amplification
An improved topology for the baseband super-regenerative sampling amplifier is proposed and analyzed, which employs a series-capacitors output load to realize positive feedback. As in the conventional circuit, the gain of the amplifier is continuously variable by controlling the length of the capaci...
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| Veröffentlicht in: | IEEE transactions on circuits and systems. II, Express briefs Express briefs, 2018-01, Vol.65 (1), p.31-35 |
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| container_title | IEEE transactions on circuits and systems. II, Express briefs |
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| creator | Rieger, Robert Sulistiyanto, Nanang |
| description | An improved topology for the baseband super-regenerative sampling amplifier is proposed and analyzed, which employs a series-capacitors output load to realize positive feedback. As in the conventional circuit, the gain of the amplifier is continuously variable by controlling the length of the capacitor charging phase. It is shown that decreasing feedback enhances the linearity of the circuit while trading off with a lower sampling speed. Entirely removing the feedback yields the integrating amplifier circuit. This is a practical implementation in terms of linearity, power, noise, and gain in low-frequency applications, including biomedical signal amplification. The analysis is verified by measured results from an integrated circuit prototype in 180-nm CMOS technology. |
| doi_str_mv | 10.1109/TCSII.2017.2672782 |
| format | Article |
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The analysis is verified by measured results from an integrated circuit prototype in 180-nm CMOS technology.</description><subject>Bandwidth</subject><subject>Capacitors</subject><subject>circuit analysis</subject><subject>Clocks</subject><subject>CMOS integrated circuit</subject><subject>feedback circuit</subject><subject>Gain control</subject><subject>Integrated circuits</subject><subject>Linearity</subject><subject>low frequency amplification</subject><subject>Tuning</subject><subject>Variable gain amplifier</subject><issn>1549-7747</issn><issn>1558-3791</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kF1LwzAYhYMoOKd_QG_6BzLz0eZNLkfZtFAQ3LwuWfpmRLZ2pp2yf2_rhlfnwOE5Fw8hj5zNOGfmeZ2vimImGIeZUCBAiysy4VmmqQTDr8eeGgqQwi2567pPxoRhUkzIomh63EbbY53kIbpj6BPfxmR1PGCk77jFBoc1fGNStj90GfHriI07JfP9YRd8cMPWNvfkxttdhw-XnJKP5WKdv9Ly7aXI5yV13EBPayE3aMGrOtNZumEp8wJ8qpzmGUoGDMFJm9asrq1SGlEC23iD1ggJGSo5JeL862LbdRF9dYhhb-Op4qwaRVR_IqpRRHURMUBPZygg4j8AWgkutfwFqG9a9A</recordid><startdate>201801</startdate><enddate>201801</enddate><creator>Rieger, Robert</creator><creator>Sulistiyanto, Nanang</creator><general>IEEE</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0001-9793-531X</orcidid></search><sort><creationdate>201801</creationdate><title>Integrated Circuit for Super-Regenerative Low-Frequency Amplification</title><author>Rieger, Robert ; Sulistiyanto, Nanang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c197t-d23bea7f6d5854b040f27f46c815e3070e7c3a4d0dda668ee370bf9ea92375e63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Bandwidth</topic><topic>Capacitors</topic><topic>circuit analysis</topic><topic>Clocks</topic><topic>CMOS integrated circuit</topic><topic>feedback circuit</topic><topic>Gain control</topic><topic>Integrated circuits</topic><topic>Linearity</topic><topic>low frequency amplification</topic><topic>Tuning</topic><topic>Variable gain amplifier</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Rieger, Robert</creatorcontrib><creatorcontrib>Sulistiyanto, Nanang</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>CrossRef</collection><jtitle>IEEE transactions on circuits and systems. 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| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Bandwidth Capacitors circuit analysis Clocks CMOS integrated circuit feedback circuit Gain control Integrated circuits Linearity low frequency amplification Tuning Variable gain amplifier |
| title | Integrated Circuit for Super-Regenerative Low-Frequency Amplification |
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