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[4, 2017] 

Journal of Electrical Engineering, Vol 68, 4 (2017) 245-255 DOI: 10.1515/jee-2017-0036

Design techniques for low-voltage analog integrated circuits

Matej Rakús – Viera Stopjaková – Daniel Arbet

   In this paper, a review and analysis of different design techniques for (ultra) low-voltage integrated circuits (IC) are performed. This analysis shows that the most suitable design methods for low-voltage analog IC design in a standard CMOS process include techniques using bulk-driven MOS transistors, dynamic threshold MOS transistors and MOS transistors operating in weak or moderate inversion regions. The main advantage of such techniques is that there is no need for any modification of standard CMOS structure or process. Basic circuit building blocks like differential amplifiers or current mirrors designed using these approaches are able to operate with the power supply voltage of 600 mV (or even lower), which is the key feature towards integrated systems for modern portable applications.

Keywords: bulk-driven, dynamic-threshold, inversion region, low-voltage, analog integrated circuits


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