Implementation of a Biopotential Amplifier with a Conventional and Current-Balancing Approach for Foetal ECG Monitoring
Abstract In a biopotential monitoring system, the sensors, the front end circuit, microprocessor, digital signal processor and transmitter are important blocks. The front end circuit is capable of amplifying and conditioning the biosignal. The power requirement of a biopotential monitoring system de...
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| Autor*in: |
Sutha, P. [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2019 |
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| Anmerkung: |
© Springer Science+Business Media, LLC, part of Springer Nature 2019 |
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| Übergeordnetes Werk: |
Enthalten in: Circuits, systems and signal processing - Springer US, 1982, 39(2019), 6 vom: 20. Nov., Seite 2860-2879 |
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| Übergeordnetes Werk: |
volume:39 ; year:2019 ; number:6 ; day:20 ; month:11 ; pages:2860-2879 |
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| DOI / URN: |
10.1007/s00034-019-01311-x |
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| 520 | |a Abstract In a biopotential monitoring system, the sensors, the front end circuit, microprocessor, digital signal processor and transmitter are important blocks. The front end circuit is capable of amplifying and conditioning the biosignal. The power requirement of a biopotential monitoring system depends on the individual blocks present in the system. Direct reduction of the power is not possible in the conventional instrumentation amplifier. The conventional instrumentation amplifier is not suitable for portable applications because it consumes much power and has a low common mode rejection ratio (CMRR). To optimize the power consumption and simplify the system architecture, the front end system adopts two-stage amplifiers. A current-balancing instrumentation amplifier approach that amplifies a biosignal is proposed to improve the noise performance and CMRR and minimize the area, power consumption, and cost. In this CBIA design, passive component mismatch is minimized. To obtain an ECG signal, the output of an instrumentation amplifier signal is further processed by high pass, low pass and notch filters to eliminate muscular noise, motion artefacts and power line interference. The resultant signal is interfaced to a personal computer through a USB/SPI interface after the conversion of the analogue biosignal into digital signals. | ||
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10.1007/s00034-019-01311-x doi (DE-627)OLC2034858034 (DE-He213)s00034-019-01311-x-p DE-627 ger DE-627 rakwb eng 600 VZ Sutha, P. verfasserin aut Implementation of a Biopotential Amplifier with a Conventional and Current-Balancing Approach for Foetal ECG Monitoring 2019 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC, part of Springer Nature 2019 Abstract In a biopotential monitoring system, the sensors, the front end circuit, microprocessor, digital signal processor and transmitter are important blocks. The front end circuit is capable of amplifying and conditioning the biosignal. The power requirement of a biopotential monitoring system depends on the individual blocks present in the system. Direct reduction of the power is not possible in the conventional instrumentation amplifier. The conventional instrumentation amplifier is not suitable for portable applications because it consumes much power and has a low common mode rejection ratio (CMRR). To optimize the power consumption and simplify the system architecture, the front end system adopts two-stage amplifiers. A current-balancing instrumentation amplifier approach that amplifies a biosignal is proposed to improve the noise performance and CMRR and minimize the area, power consumption, and cost. In this CBIA design, passive component mismatch is minimized. To obtain an ECG signal, the output of an instrumentation amplifier signal is further processed by high pass, low pass and notch filters to eliminate muscular noise, motion artefacts and power line interference. The resultant signal is interfaced to a personal computer through a USB/SPI interface after the conversion of the analogue biosignal into digital signals. Instrumentation amplifier Conventional approach Current-balancing instrumentation amplifier Common mode rejection ratio Power consumption Jayanthi, V. E. aut Enthalten in Circuits, systems and signal processing Springer US, 1982 39(2019), 6 vom: 20. Nov., Seite 2860-2879 (DE-627)130312134 (DE-600)588684-3 (DE-576)015889939 0278-081X nnns volume:39 year:2019 number:6 day:20 month:11 pages:2860-2879 https://doi.org/10.1007/s00034-019-01311-x lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_70 GBV_ILN_2244 AR 39 2019 6 20 11 2860-2879 |
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10.1007/s00034-019-01311-x doi (DE-627)OLC2034858034 (DE-He213)s00034-019-01311-x-p DE-627 ger DE-627 rakwb eng 600 VZ Sutha, P. verfasserin aut Implementation of a Biopotential Amplifier with a Conventional and Current-Balancing Approach for Foetal ECG Monitoring 2019 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC, part of Springer Nature 2019 Abstract In a biopotential monitoring system, the sensors, the front end circuit, microprocessor, digital signal processor and transmitter are important blocks. The front end circuit is capable of amplifying and conditioning the biosignal. The power requirement of a biopotential monitoring system depends on the individual blocks present in the system. Direct reduction of the power is not possible in the conventional instrumentation amplifier. The conventional instrumentation amplifier is not suitable for portable applications because it consumes much power and has a low common mode rejection ratio (CMRR). To optimize the power consumption and simplify the system architecture, the front end system adopts two-stage amplifiers. A current-balancing instrumentation amplifier approach that amplifies a biosignal is proposed to improve the noise performance and CMRR and minimize the area, power consumption, and cost. In this CBIA design, passive component mismatch is minimized. To obtain an ECG signal, the output of an instrumentation amplifier signal is further processed by high pass, low pass and notch filters to eliminate muscular noise, motion artefacts and power line interference. The resultant signal is interfaced to a personal computer through a USB/SPI interface after the conversion of the analogue biosignal into digital signals. Instrumentation amplifier Conventional approach Current-balancing instrumentation amplifier Common mode rejection ratio Power consumption Jayanthi, V. E. aut Enthalten in Circuits, systems and signal processing Springer US, 1982 39(2019), 6 vom: 20. Nov., Seite 2860-2879 (DE-627)130312134 (DE-600)588684-3 (DE-576)015889939 0278-081X nnns volume:39 year:2019 number:6 day:20 month:11 pages:2860-2879 https://doi.org/10.1007/s00034-019-01311-x lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_70 GBV_ILN_2244 AR 39 2019 6 20 11 2860-2879 |
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10.1007/s00034-019-01311-x doi (DE-627)OLC2034858034 (DE-He213)s00034-019-01311-x-p DE-627 ger DE-627 rakwb eng 600 VZ Sutha, P. verfasserin aut Implementation of a Biopotential Amplifier with a Conventional and Current-Balancing Approach for Foetal ECG Monitoring 2019 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC, part of Springer Nature 2019 Abstract In a biopotential monitoring system, the sensors, the front end circuit, microprocessor, digital signal processor and transmitter are important blocks. The front end circuit is capable of amplifying and conditioning the biosignal. The power requirement of a biopotential monitoring system depends on the individual blocks present in the system. Direct reduction of the power is not possible in the conventional instrumentation amplifier. The conventional instrumentation amplifier is not suitable for portable applications because it consumes much power and has a low common mode rejection ratio (CMRR). To optimize the power consumption and simplify the system architecture, the front end system adopts two-stage amplifiers. A current-balancing instrumentation amplifier approach that amplifies a biosignal is proposed to improve the noise performance and CMRR and minimize the area, power consumption, and cost. In this CBIA design, passive component mismatch is minimized. To obtain an ECG signal, the output of an instrumentation amplifier signal is further processed by high pass, low pass and notch filters to eliminate muscular noise, motion artefacts and power line interference. The resultant signal is interfaced to a personal computer through a USB/SPI interface after the conversion of the analogue biosignal into digital signals. Instrumentation amplifier Conventional approach Current-balancing instrumentation amplifier Common mode rejection ratio Power consumption Jayanthi, V. E. aut Enthalten in Circuits, systems and signal processing Springer US, 1982 39(2019), 6 vom: 20. Nov., Seite 2860-2879 (DE-627)130312134 (DE-600)588684-3 (DE-576)015889939 0278-081X nnns volume:39 year:2019 number:6 day:20 month:11 pages:2860-2879 https://doi.org/10.1007/s00034-019-01311-x lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_70 GBV_ILN_2244 AR 39 2019 6 20 11 2860-2879 |
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10.1007/s00034-019-01311-x doi (DE-627)OLC2034858034 (DE-He213)s00034-019-01311-x-p DE-627 ger DE-627 rakwb eng 600 VZ Sutha, P. verfasserin aut Implementation of a Biopotential Amplifier with a Conventional and Current-Balancing Approach for Foetal ECG Monitoring 2019 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC, part of Springer Nature 2019 Abstract In a biopotential monitoring system, the sensors, the front end circuit, microprocessor, digital signal processor and transmitter are important blocks. The front end circuit is capable of amplifying and conditioning the biosignal. The power requirement of a biopotential monitoring system depends on the individual blocks present in the system. Direct reduction of the power is not possible in the conventional instrumentation amplifier. The conventional instrumentation amplifier is not suitable for portable applications because it consumes much power and has a low common mode rejection ratio (CMRR). To optimize the power consumption and simplify the system architecture, the front end system adopts two-stage amplifiers. A current-balancing instrumentation amplifier approach that amplifies a biosignal is proposed to improve the noise performance and CMRR and minimize the area, power consumption, and cost. In this CBIA design, passive component mismatch is minimized. To obtain an ECG signal, the output of an instrumentation amplifier signal is further processed by high pass, low pass and notch filters to eliminate muscular noise, motion artefacts and power line interference. The resultant signal is interfaced to a personal computer through a USB/SPI interface after the conversion of the analogue biosignal into digital signals. Instrumentation amplifier Conventional approach Current-balancing instrumentation amplifier Common mode rejection ratio Power consumption Jayanthi, V. E. aut Enthalten in Circuits, systems and signal processing Springer US, 1982 39(2019), 6 vom: 20. Nov., Seite 2860-2879 (DE-627)130312134 (DE-600)588684-3 (DE-576)015889939 0278-081X nnns volume:39 year:2019 number:6 day:20 month:11 pages:2860-2879 https://doi.org/10.1007/s00034-019-01311-x lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_70 GBV_ILN_2244 AR 39 2019 6 20 11 2860-2879 |
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Abstract In a biopotential monitoring system, the sensors, the front end circuit, microprocessor, digital signal processor and transmitter are important blocks. The front end circuit is capable of amplifying and conditioning the biosignal. The power requirement of a biopotential monitoring system depends on the individual blocks present in the system. Direct reduction of the power is not possible in the conventional instrumentation amplifier. The conventional instrumentation amplifier is not suitable for portable applications because it consumes much power and has a low common mode rejection ratio (CMRR). To optimize the power consumption and simplify the system architecture, the front end system adopts two-stage amplifiers. A current-balancing instrumentation amplifier approach that amplifies a biosignal is proposed to improve the noise performance and CMRR and minimize the area, power consumption, and cost. In this CBIA design, passive component mismatch is minimized. To obtain an ECG signal, the output of an instrumentation amplifier signal is further processed by high pass, low pass and notch filters to eliminate muscular noise, motion artefacts and power line interference. The resultant signal is interfaced to a personal computer through a USB/SPI interface after the conversion of the analogue biosignal into digital signals. © Springer Science+Business Media, LLC, part of Springer Nature 2019 |
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Abstract In a biopotential monitoring system, the sensors, the front end circuit, microprocessor, digital signal processor and transmitter are important blocks. The front end circuit is capable of amplifying and conditioning the biosignal. The power requirement of a biopotential monitoring system depends on the individual blocks present in the system. Direct reduction of the power is not possible in the conventional instrumentation amplifier. The conventional instrumentation amplifier is not suitable for portable applications because it consumes much power and has a low common mode rejection ratio (CMRR). To optimize the power consumption and simplify the system architecture, the front end system adopts two-stage amplifiers. A current-balancing instrumentation amplifier approach that amplifies a biosignal is proposed to improve the noise performance and CMRR and minimize the area, power consumption, and cost. In this CBIA design, passive component mismatch is minimized. To obtain an ECG signal, the output of an instrumentation amplifier signal is further processed by high pass, low pass and notch filters to eliminate muscular noise, motion artefacts and power line interference. The resultant signal is interfaced to a personal computer through a USB/SPI interface after the conversion of the analogue biosignal into digital signals. © Springer Science+Business Media, LLC, part of Springer Nature 2019 |
| abstract_unstemmed |
Abstract In a biopotential monitoring system, the sensors, the front end circuit, microprocessor, digital signal processor and transmitter are important blocks. The front end circuit is capable of amplifying and conditioning the biosignal. The power requirement of a biopotential monitoring system depends on the individual blocks present in the system. Direct reduction of the power is not possible in the conventional instrumentation amplifier. The conventional instrumentation amplifier is not suitable for portable applications because it consumes much power and has a low common mode rejection ratio (CMRR). To optimize the power consumption and simplify the system architecture, the front end system adopts two-stage amplifiers. A current-balancing instrumentation amplifier approach that amplifies a biosignal is proposed to improve the noise performance and CMRR and minimize the area, power consumption, and cost. In this CBIA design, passive component mismatch is minimized. To obtain an ECG signal, the output of an instrumentation amplifier signal is further processed by high pass, low pass and notch filters to eliminate muscular noise, motion artefacts and power line interference. The resultant signal is interfaced to a personal computer through a USB/SPI interface after the conversion of the analogue biosignal into digital signals. © Springer Science+Business Media, LLC, part of Springer Nature 2019 |
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Implementation of a Biopotential Amplifier with a Conventional and Current-Balancing Approach for Foetal ECG Monitoring |
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