Experimental study and modeling of pseudo-resistor's non-linearity
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2017-09-01
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PEREIRA, C. F.
BENKO, P. L.
Milene Galeti
LUCCHI, J. C.
Renato Giacomini
BENKO, P. L.
Milene Galeti
LUCCHI, J. C.
Renato Giacomini
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SBMicro 2017 - 32nd Symposium on Microelectronics Technology and Devices: Chip on the Sands, co-located Symposia: 30th SBCCI - Circuits and Systems Design, 2nd INSCIT - Electronic Instrumentation, 7th WCAS - IC Design Cases and 17th SForum - Undergraduate-Student Forum
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PEREIRA, C. F.; BENKO, P. L.; GALETI, M.; LUCCHI, J. C.; GIACOMINI, R. Experimental study and modeling of pseudo-resistor's non-linearity. SBMicro 2017 - 32nd Symposium on Microelectronics Technology and Devices: Chip on the Sands, co-located Symposia: 30th SBCCI - Circuits and Systems Design, 2nd INSCIT - Electronic Instrumentation, 7th WCAS - IC Design Cases and 17th SForum - Undergraduate-Student Forum. Sept. 2017.
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© 2017 IEEE.This paper characterizes experimentally the non-linearity of MOSFET pseudo-resistors and proposes an accurate and simple model to be implemented into SPICE simulators. The work is based in an indirect measure of the resistance, due to its high value. An application example considers the transitory response of a bio signal amplifier that is dependent on the pseudo-resistors situated in its feedback network. The pseudo-resistor's non-linear behavior is used to decrease de undesirable recovering time of the amplifier. An integrated circuit was implemented in IBM 8HP 0.13 μm technology. Experimental measurements were made and compared to the simulation outputs, obtained using the proposed model, showing a good agreement.