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High-precision MOS-trans-linear loop-based squarer/divider circuit free from mobility reduction

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3 Author(s)
Mahdi Tavassoli ; Microelectronics Research Laboratory, Urmia University, Urmia, Iran ; A. Khoei ; Kh. Hadidi

Considering second order effects caused by mobility reduction, an MTL-based squarer/divider circuit is designed. Although mobility reduction is a difficult phenomenon to be modelled in a MOS translinear loop, the presented analysis provides a good way to cancel this effect. Our design results in a simpler solution than previous works and since it is not based on the simple square-law behaviour of MOS transistor, we can use transistors with shorter channel length in comparison with conventional MTL-based circuits, so lower silicon area and more accuracy is achieved.

Published in:

2011 19th Iranian Conference on Electrical Engineering

Date of Conference:

17-19 May 2011