An offset cancellation technique of complementary input pair buffers for continuous time applications
Summary This letter describes an offset cancellation technique for rail‐to‐rail complementary input pair operational amplifiers in unity gain loop configuration that overcomes the variable offset and minimizes distortion. The simulated buffer exhibits up to 40 dB increase in spurious‐free dynamic ra...
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| Veröffentlicht in: | International journal of circuit theory and applications 2017-05, Vol.45 (5), p.720-726 |
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| container_title | International journal of circuit theory and applications |
| container_volume | 45 |
| creator | Mountrichas, L. Siskos, S. |
| description | Summary
This letter describes an offset cancellation technique for rail‐to‐rail complementary input pair operational amplifiers in unity gain loop configuration that overcomes the variable offset and minimizes distortion. The simulated buffer exhibits up to 40 dB increase in spurious‐free dynamic range and up to 30 dB increase in signal‐to‐noise and distortion ratio. When used to buffer a continuous time modulator, the performance matches that of chopping. Measurement results verify the technique, illustrating effective offset cancellation regardless of the input signal level. Copyright © 2016 John Wiley & Sons, Ltd.
An offset cancellation technique for complementary input amplifiers in unity gain buffer configuration that overcomes the variable offset and minimizes distortion is presented. The proposed technique is geared toward continuous time applications. Simulation results show up to 40 dB increase in spurious‐free dynamic range and up to 30 dB increase in signal‐to‐noise and distortion ratio. Buffering a continuous time modulator, the proposed technique matches the performance of chopping amplifier. Measurement results verify the technique, illustrating effective offset cancellation regardless of the input signal level. |
| doi_str_mv | 10.1002/cta.2253 |
| format | Article |
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This letter describes an offset cancellation technique for rail‐to‐rail complementary input pair operational amplifiers in unity gain loop configuration that overcomes the variable offset and minimizes distortion. The simulated buffer exhibits up to 40 dB increase in spurious‐free dynamic range and up to 30 dB increase in signal‐to‐noise and distortion ratio. When used to buffer a continuous time modulator, the performance matches that of chopping. Measurement results verify the technique, illustrating effective offset cancellation regardless of the input signal level. Copyright © 2016 John Wiley & Sons, Ltd.
An offset cancellation technique for complementary input amplifiers in unity gain buffer configuration that overcomes the variable offset and minimizes distortion is presented. The proposed technique is geared toward continuous time applications. Simulation results show up to 40 dB increase in spurious‐free dynamic range and up to 30 dB increase in signal‐to‐noise and distortion ratio. Buffering a continuous time modulator, the proposed technique matches the performance of chopping amplifier. Measurement results verify the technique, illustrating effective offset cancellation regardless of the input signal level.</description><identifier>ISSN: 0098-9886</identifier><identifier>EISSN: 1097-007X</identifier><identifier>DOI: 10.1002/cta.2253</identifier><language>eng</language><publisher>Bognor Regis: Wiley Subscription Services, Inc</publisher><subject>Amplification ; analogue buffer ; auto‐zero ; Buffers ; Cancellation ; complementary input pair ; continuous time ; Cutting ; Distortion ; Dynamic range ; Gain ; offset cancellation ; Operational amplifiers ; Sigma–Delta</subject><ispartof>International journal of circuit theory and applications, 2017-05, Vol.45 (5), p.720-726</ispartof><rights>Copyright © 2016 John Wiley & Sons, Ltd.</rights><rights>Copyright © 2017 John Wiley & Sons, Ltd.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c2543-40a150c051c61213ec0a6ee7409b79a909188631c728dc4028e7a168701ea3fe3</cites><orcidid>0000-0003-4357-6731</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fcta.2253$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fcta.2253$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1416,27922,27923,45572,45573</link.rule.ids></links><search><creatorcontrib>Mountrichas, L.</creatorcontrib><creatorcontrib>Siskos, S.</creatorcontrib><title>An offset cancellation technique of complementary input pair buffers for continuous time applications</title><title>International journal of circuit theory and applications</title><description>Summary
This letter describes an offset cancellation technique for rail‐to‐rail complementary input pair operational amplifiers in unity gain loop configuration that overcomes the variable offset and minimizes distortion. The simulated buffer exhibits up to 40 dB increase in spurious‐free dynamic range and up to 30 dB increase in signal‐to‐noise and distortion ratio. When used to buffer a continuous time modulator, the performance matches that of chopping. Measurement results verify the technique, illustrating effective offset cancellation regardless of the input signal level. Copyright © 2016 John Wiley & Sons, Ltd.
An offset cancellation technique for complementary input amplifiers in unity gain buffer configuration that overcomes the variable offset and minimizes distortion is presented. The proposed technique is geared toward continuous time applications. Simulation results show up to 40 dB increase in spurious‐free dynamic range and up to 30 dB increase in signal‐to‐noise and distortion ratio. Buffering a continuous time modulator, the proposed technique matches the performance of chopping amplifier. Measurement results verify the technique, illustrating effective offset cancellation regardless of the input signal level.</description><subject>Amplification</subject><subject>analogue buffer</subject><subject>auto‐zero</subject><subject>Buffers</subject><subject>Cancellation</subject><subject>complementary input pair</subject><subject>continuous time</subject><subject>Cutting</subject><subject>Distortion</subject><subject>Dynamic range</subject><subject>Gain</subject><subject>offset cancellation</subject><subject>Operational amplifiers</subject><subject>Sigma–Delta</subject><issn>0098-9886</issn><issn>1097-007X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp1kM1LAzEQxYMoWKvgnxDw4mXrJPuR5FiKX1DwUsFbSOMspuxm1ySL9L83bb16msP83pt5j5BbBgsGwB9sMgvO6_KMzBgoUQCIj3MyA1CyUFI2l-Qqxh0ASF6qGcGlp0PbRkzUGm-x60xyg6cJ7Zd33xPmLbVDP3bYo08m7Knz45ToaFyg26ltMUTaDiFDPjk_DVOkyfVIzTh2zh7d4jW5aE0X8eZvzsn70-Nm9VKs355fV8t1YXldlUUFhtVgoWa2YZyVaME0iKICtRXKKFAsJyiZFVx-2gq4RGFYIwUwNGWL5ZzcnXzHMOTfY9K7YQo-n9RMqoMaKpGp-xNlwxBjwFaPwfU5mmagDyXqXKI-lJjR4oT-uA73_3J6tVke-V8zonOB</recordid><startdate>201705</startdate><enddate>201705</enddate><creator>Mountrichas, L.</creator><creator>Siskos, S.</creator><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0003-4357-6731</orcidid></search><sort><creationdate>201705</creationdate><title>An offset cancellation technique of complementary input pair buffers for continuous time applications</title><author>Mountrichas, L. ; Siskos, S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2543-40a150c051c61213ec0a6ee7409b79a909188631c728dc4028e7a168701ea3fe3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Amplification</topic><topic>analogue buffer</topic><topic>auto‐zero</topic><topic>Buffers</topic><topic>Cancellation</topic><topic>complementary input pair</topic><topic>continuous time</topic><topic>Cutting</topic><topic>Distortion</topic><topic>Dynamic range</topic><topic>Gain</topic><topic>offset cancellation</topic><topic>Operational amplifiers</topic><topic>Sigma–Delta</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Mountrichas, L.</creatorcontrib><creatorcontrib>Siskos, S.</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>International journal of circuit theory and applications</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Mountrichas, L.</au><au>Siskos, S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>An offset cancellation technique of complementary input pair buffers for continuous time applications</atitle><jtitle>International journal of circuit theory and applications</jtitle><date>2017-05</date><risdate>2017</risdate><volume>45</volume><issue>5</issue><spage>720</spage><epage>726</epage><pages>720-726</pages><issn>0098-9886</issn><eissn>1097-007X</eissn><abstract>Summary
This letter describes an offset cancellation technique for rail‐to‐rail complementary input pair operational amplifiers in unity gain loop configuration that overcomes the variable offset and minimizes distortion. The simulated buffer exhibits up to 40 dB increase in spurious‐free dynamic range and up to 30 dB increase in signal‐to‐noise and distortion ratio. When used to buffer a continuous time modulator, the performance matches that of chopping. Measurement results verify the technique, illustrating effective offset cancellation regardless of the input signal level. Copyright © 2016 John Wiley & Sons, Ltd.
An offset cancellation technique for complementary input amplifiers in unity gain buffer configuration that overcomes the variable offset and minimizes distortion is presented. The proposed technique is geared toward continuous time applications. Simulation results show up to 40 dB increase in spurious‐free dynamic range and up to 30 dB increase in signal‐to‐noise and distortion ratio. Buffering a continuous time modulator, the proposed technique matches the performance of chopping amplifier. Measurement results verify the technique, illustrating effective offset cancellation regardless of the input signal level.</abstract><cop>Bognor Regis</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/cta.2253</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0003-4357-6731</orcidid></addata></record> |
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| issn | 0098-9886 1097-007X |
| language | eng |
| recordid | cdi_proquest_journals_1899188047 |
| source | Wiley Online Library All Journals |
| subjects | Amplification analogue buffer auto‐zero Buffers Cancellation complementary input pair continuous time Cutting Distortion Dynamic range Gain offset cancellation Operational amplifiers Sigma–Delta |
| title | An offset cancellation technique of complementary input pair buffers for continuous time applications |
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