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An ultra low-power class-AB sinh integrator

Published: 28 August 2006 Publication History

Abstract

A new ultra low-power Class-AB Sinh integrator is proposed here. The translinear companding integrator is based on hyperbolic-sine transconductors and uses only one grounded capacitor to implement a Class-AB integrator, which saves considerable chip area. Furthermore, the proposed circuit presents excellent performance with respect to power efficiency. To validate the circuit principle, the integrator has been simulated in standard 35 μm CMOS technology and designed to operate from a 1.5-V (± 0.75V) supply voltage, with a current consumption of only 14nA. The THD is kept below 1%, with a modulation index as high as 20 and yields a 75-dB dynamic range at the 1-dB compression point.

References

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D. Frey and A.T. Tola, "A State-Space Formulation for Externally Linear Class AB Dynamical Circuits," IEEE Transactions on Circuits and Systems-II, vol.46, no. 3, pp. 306--314, Mar. 1999.
[2]
E. Seevinck, "Companding current-mode integrator: a new circuit principle for continuous-time monolithic filters," Electronics Letters, 26(24), pp. 2046--2047, 1990.
[3]
W.A. Serdijn, M.H.L. Kouwenhoven, J. Mulder and A.H.M. van Roermund "Design of High Dynamic Range Fully Integratable Translinear Filters," Analog Integrated Circuits and Signal Processing, Kluwer, 19, pp. 223--239, 1999.
[4]
J. Mulder, W.A. Serdijn, A.C. van der Woerd and A.H.M. van Roermund, Dynamic Translinear and Log-Domain Circuits: Analysis and Synthesis, Boston, MA: Kluwer, 1999.
[5]
M. Punzenberger and C. Enz, "A 1.2-V Low-Power BiCMOS Class AB Log-Domain Filter," IEEE Journal of Solid-State Circuits, vol. 32, no. 12, pp. 1968--1978, Dec. 1997.
[6]
M.N. El-Gamal, R.A. Baki and A. Bar-Dor, "30-100-MHz NPN-Only Variable-Gain Class-AB Instantaneous Companding Filters for 1.2-V Applications," IEEE Journal of Solid-State Circuits, vol. 35, no. 12, pp. 1853--1864, Dec. 2000.
[7]
D. Python and C. Enz, "A Micropower Class-AB CMOS Log-Domain Filter for DECT Applications," IEEE Journal of Solid-State Circuits, vol. 36, no. 7, pp. 1067--1075, Jul. 2001.
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X. Redondo and F. Serra-Graells, "1V Compact Class-AB CMOS Log Filters" in Proceedings IEEE International Symposium Circuits and Systems, pp. 2000--2003, May 2005.
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Cited By

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  • (2021)Sinh-ortam süzgeçlerinin biyomedikal uygulama örneklerinin incelenmesiDÜMF Mühendislik Dergisi10.24012/dumf.955658(499-514)Online publication date: 22-Jun-2021
  • (2021)The design of low voltage/power current-mode sinh-domain filter for biomedical applicationsAnalog Integrated Circuits and Signal Processing10.1007/s10470-021-01897-wOnline publication date: 19-Jun-2021
  • (2014)Sinh-domain complex integratorsInternational Journal of Electronics10.1080/00207217.2014.963891102:7(1073-1090)Online publication date: 13-Oct-2014
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      cover image ACM Conferences
      SBCCI '06: Proceedings of the 19th annual symposium on Integrated circuits and systems design
      August 2006
      248 pages
      ISBN:1595934790
      DOI:10.1145/1150343
      Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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      Publication History

      Published: 28 August 2006

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      Author Tags

      1. Sinh integrator
      2. analog electronics
      3. class-AB integrator
      4. log-domain filters
      5. low-power circuit design

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      SBCCI06
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      SBCCI06: 19th Symposium on Integrated Circuits and System Design
      August 28 - September 1, 2006
      MG, Ouro Preto, Brazil

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      Overall Acceptance Rate 133 of 347 submissions, 38%

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      View all
      • (2021)Sinh-ortam süzgeçlerinin biyomedikal uygulama örneklerinin incelenmesiDÜMF Mühendislik Dergisi10.24012/dumf.955658(499-514)Online publication date: 22-Jun-2021
      • (2021)The design of low voltage/power current-mode sinh-domain filter for biomedical applicationsAnalog Integrated Circuits and Signal Processing10.1007/s10470-021-01897-wOnline publication date: 19-Jun-2021
      • (2014)Sinh-domain complex integratorsInternational Journal of Electronics10.1080/00207217.2014.963891102:7(1073-1090)Online publication date: 13-Oct-2014
      • (2014)A simulation study of high-order CMOS hyperbolic-sine filtersInternational Journal of Circuit Theory and Applications10.1002/cta.190342:10(1033-1050)Online publication date: 1-Oct-2014
      • (2013)Sinh-Domain linear transformation filtersInternational Journal of Electronics10.1080/00207217.2013.780265101:2(241-254)Online publication date: 14-Apr-2013
      • (2013)Measured hyperbolic-sine (sinh) CMOS resultsMicroelectronics Journal10.1016/j.mejo.2013.08.01344:12(1268-1277)Online publication date: 1-Dec-2013
      • (2013)Sinh-Domain multiphase sinusoidal oscillatorMicroelectronics Journal10.1016/j.mejo.2013.06.01744:9(834-839)Online publication date: 1-Sep-2013
      • (2012)Design of Sinh-Domain filters using complementary operatorsInternational Journal of Circuit Theory and Applications10.1002/cta.76940:10(1019-1039)Online publication date: 1-Oct-2012
      • (2011)1.2 V BiCMOS Sinh-Domain FiltersCircuits, Systems, and Signal Processing10.1007/s00034-011-9379-531:4(1257-1277)Online publication date: 21-Dec-2011
      • (2009)An 8Hz, 0.1µW, 110+ dBs Sinh CMOS Bessel filter for ECG signals2009 International Conference on Microelectronics - ICM10.1109/ICM.2009.5418668(14-17)Online publication date: Dec-2009
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