Linearity-Enhanced Ring Amplifier Using Adaptive Slew-Rate Feed-Forward Path
This brief presents a novel adaptive slew-rate ring amplifier. The proposed technique enhances the linearity, without stability degradation, using a rail-to-rail controlled feed-forward path used in parallel with the main ring amplifier. It offers additional degrees of freedom to improve the lineari...
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| Veröffentlicht in: | IEEE transactions on circuits and systems. II, Express briefs Express briefs, 2020-12, Vol.67 (12), p.2908-2912 |
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| container_title | IEEE transactions on circuits and systems. II, Express briefs |
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| creator | Gadel-Karim, Ahmed Gharib Mohieldin, Ahmed N. Hussien, Faisal Aboudina, Mohamed |
| description | This brief presents a novel adaptive slew-rate ring amplifier. The proposed technique enhances the linearity, without stability degradation, using a rail-to-rail controlled feed-forward path used in parallel with the main ring amplifier. It offers additional degrees of freedom to improve the linearity/power consumption trade-off proposed in other reported slew-rate enhancement techniques. The proposed design has been implemented and simulated in a low-cost CMOS 65 nm technology. Operating from a single 0.9 V power supply, it consumes 186μA for switching frequency of 210MHz. For the same current consumption, it achieves an improvement of 10 dB in the total harmonic distortion (THD) compared to state-of-the-art. |
| doi_str_mv | 10.1109/TCSII.2020.2984322 |
| format | Article |
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For the same current consumption, it achieves an improvement of 10 dB in the total harmonic distortion (THD) compared to state-of-the-art.</description><subject>adaptive slew-rate</subject><subject>ADC</subject><subject>Amplifiers</subject><subject>Circuit stability</subject><subject>CMOS</subject><subject>Control stability</subject><subject>Delays</subject><subject>feed-forward</subject><subject>Feedforward control</subject><subject>Generators</subject><subject>Harmonic distortion</subject><subject>high precision</subject><subject>Inverters</subject><subject>Linearity</subject><subject>linearity enhancement</subject><subject>Logic gates</subject><subject>Power consumption</subject><subject>Ring amplifier</subject><subject>Slew rate</subject><subject>Transistors</subject><issn>1549-7747</issn><issn>1558-3791</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kFtrwjAYhsPYYM7tD2w3hV3H5dA0yaWIboKw4eE6xPTLjGjbpXXiv1-rsqvv_eA9wIPQMyUDSol-W44W0-mAEUYGTKuUM3aDelQIhbnU9LbTqcZSpvIePdT1lhCmCWc9NJuFAmwMzQmPi40tHOTJPBTfyXBf7YIPEJNVff5zWzXhF5LFDo54bhtIJgA5npTxaGOefNlm84juvN3V8HS9fbSajJejDzz7fJ-OhjPsWJo1WHgmcuHWWrKcE0Uy57iibq28ZzylrcxAUqk190I6bh3PgGngXirHqeO8j14vvVUsfw5QN2ZbHmLRTpp2QKSpJqxzsYvLxbKuI3hTxbC38WQoMR01c6ZmOmrmSq0NvVxCAQD-A5oIqpXifw2XZ2k</recordid><startdate>20201201</startdate><enddate>20201201</enddate><creator>Gadel-Karim, Ahmed Gharib</creator><creator>Mohieldin, Ahmed N.</creator><creator>Hussien, Faisal</creator><creator>Aboudina, Mohamed</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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II, Express briefs</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Gadel-Karim, Ahmed Gharib</au><au>Mohieldin, Ahmed N.</au><au>Hussien, Faisal</au><au>Aboudina, Mohamed</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Linearity-Enhanced Ring Amplifier Using Adaptive Slew-Rate Feed-Forward Path</atitle><jtitle>IEEE transactions on circuits and systems. II, Express briefs</jtitle><stitle>TCSII</stitle><date>2020-12-01</date><risdate>2020</risdate><volume>67</volume><issue>12</issue><spage>2908</spage><epage>2912</epage><pages>2908-2912</pages><issn>1549-7747</issn><eissn>1558-3791</eissn><coden>ICSPE5</coden><abstract>This brief presents a novel adaptive slew-rate ring amplifier. The proposed technique enhances the linearity, without stability degradation, using a rail-to-rail controlled feed-forward path used in parallel with the main ring amplifier. 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| ispartof | IEEE transactions on circuits and systems. II, Express briefs, 2020-12, Vol.67 (12), p.2908-2912 |
| issn | 1549-7747 1558-3791 |
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| source | IEEE Electronic Library (IEL) |
| subjects | adaptive slew-rate ADC Amplifiers Circuit stability CMOS Control stability Delays feed-forward Feedforward control Generators Harmonic distortion high precision Inverters Linearity linearity enhancement Logic gates Power consumption Ring amplifier Slew rate Transistors |
| title | Linearity-Enhanced Ring Amplifier Using Adaptive Slew-Rate Feed-Forward Path |
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