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An input buffer with monolithic JFET in standard BCD technology for sensor applications
Conference paper

An input buffer with monolithic JFET in standard BCD technology for sensor applications

Klaus Y. J. Hsu and Tsu-Wei Chuang
Proceedings of the 2015 IEEE International Conference on Electron Devices and Solid-State Circuits, EDSSC 2015, pp.784-787
30/09/2015
DOI: https://doi.org/10.1109/EDSSC.2015.7285235

Abstract

Input Buffer JFET Standard BCD Process
A new input buffer with monolithic integrated JFET in standard BCD technologies is presented in this work. The JFET has been implemented without any modification to the standard BCD process. An input buffer with PMOSFET was also fabricated for comparison. Measurements showed that the low-frequency input referred noise of the JFET input buffer is much smaller than that of the PMOSFET buffer. The proposed circuit can be applied to low-noise front-end amplifiers of sensors.

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