Teraohm pseudo-resistor experimental characterization aiming at implementation of bio-amplifiers
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2016-09-03
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PEREIRA, C. F.
BENKO, P. L.
LUCCHI, J. C.
Renato Giacomini
BENKO, P. L.
LUCCHI, J. C.
Renato Giacomini
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SBMicro 2016 - 31st Symposium on Microelectronics Technology and Devices: Chip on the Mountains, co-located 29th SBCCI - Circuits and Systems Design, 6th WCAS - IC Design Cases, 1st INSCIT - Electronic Instrumentation and 16th SForum - Undergraduate-Student Forum
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PEREIRA, C. F.; BENKO, P. L.; LUCCHI, J. C.; GIACOMINI, R.Teraohm pseudo-resistor experimental characterization aiming at implementation of bio-amplifiers. SBMicro 2016 - 31st Symposium on Microelectronics Technology and Devices: Chip on the Mountains, co-located 29th SBCCI - Circuits and Systems Design, 6th WCAS - IC Design Cases, 1st INSCIT - Electronic Instrumentation and 16th SForum - Undergraduate-Student Forum, Sept. 2016.
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© 2016 IEEE.This paper describes the experimental characterization of MOS bipolar pseudo-resistors for a general purpose technology. Very-high resistance values can be obtained in small footprint layouts, allowing the development of high-pass filters with RC constants over 1 second. The pseudo-resistor presents two different behavior regions, and as described in this work, in bio-amplifiers applications, important functions are assigned to each of these regions. 0.13 μm 8HP technology from GlobalFoundries was chosen as the target technology for the prototypes, because of its versatility. Due to the very-low current of pseudo-resistors, a circuit for indirect resistance measurement was proposed and applied. The fabricated devices presented resistances over 1 teraohm and preserved both the linear and the exponential operation regions, proving that they are well suited for bio-amplifier applications.