Design of Low Power Current Mode Square-Root Circuit | Zendy

Bindu Thakral | Zendy

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Design of Low Power Current Mode Square-Root Circuit

Author(s) -

Bindu Thakral

Publication year - 2015

Publication title -

international journal of engineering and manufacturing

Language(s) - English

Resource type - Journals

eISSN - 2306-5982

pISSN - 2305-3631

DOI - 10.5815/ijem.2015.04.03

Subject(s) - subthreshold conduction , electronic circuit , electronic engineering , cmos , electrical engineering , analogue electronics , transistor , square root , engineering , voltage , computer science , mathematics , geometry

Analog circuits have been viewed as a voltage dominated type of signal processing. With the advent of CMOS technology, shrinking feature size, and reduction of supply voltage a new class of circuits developed: currentmode circuits. Among current-mode circuits “Translinear circuits” is one of the important and emerging research interests for low power analog designers. It is the practical means of implementing nonlinear signal processing functions. The performance of analog circuits strongly depends upon techniques used to exploit the characteristics of the transistors. In this paper, using exponential current-voltage relationship of MOS transistor when biased in subthreshold-mode, a square-root circuit is proposed. The circuit simulations were carried on TSMC 0.18 micrometer technology using ELDO Simulator.

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