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Circuits, Systems, and Signal Processing

, Volume 38, Issue 12, pp 5883–5895 | Cite as

A 0.5-V Bulk-Driven Active Voltage Attenuator

  • Spyridon Vlassis
  • George Souliotis
  • Fabian KhatebEmail author
  • Tomasz Kulej
Short Paper
  • 51 Downloads

Abstract

In this work, a novel differential active voltage attenuator that is capable of operating under low supply voltage and power consumption is presented. The proposed attenuator is based on bulk-driven MOS devices. Thanks to the use of the fully balanced differential structure, the attenuator demonstrates improved common-mode rejection capability. The attenuator has been fabricated using 180-nm TSMC CMOS technology with 0.5 V power supply and 0.366 µW power consumption. The experimental results give a voltage attenuation around − 6 dB, rail-to-rail input common-mode range and common-mode rejection ratio around 27.8 dB. As an application example, a fully balanced differential amplifier is designed and simulated. The simulated and measurement results agree with the theory and confirm the robustness of the design.

Keywords

Bulk-driven Active attenuator Low-voltage CMOS Low-power CMOS 

Notes

Acknowledgements

The research described in this paper was financed by the National Sustainability Program under Grant LO1401. For the research, infrastructure of the SIX Center was used.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Electronics Laboratory, Physics DepartmentUniversity of PatrasRio, AchaiaGreece
  2. 2.Department of Electrical EngineeringTechnological Educational Institute of Western GreecePatrasGreece
  3. 3.Department of MicroelectronicsBrno University of TechnologyBrnoCzech Republic
  4. 4.Faculty of Biomedical EngineeringCzech Technical University in PragueKladnoCzech Republic
  5. 5.Department of Electrical EngineeringTechnical University of CzęstochowaCzestochowaPoland

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