Abstract
A comparative study of a voltage mode sense amplifier (VMSA) using different techniques to understand their performance and applicability has been presented in this paper. The circuits to be studied are VMSA using a coupling capacitor and body biasing along with the conventional circuit. Various performance measuring parameters of the sense amplifiers (SA) have been examined and analyzed. It has been realized that both the techniques heighten the performance of the sense amplifier in comparison to the conventional method, but their mutual comparison reveals that the coupling capacitor has better performance than the body biasing technique. Detail analysis of the circuits in term of sensitivity, power consumption and delay has been made for a better understanding of their performances. The circuits in the paper have been simulated by using Tanner EDA tool of 0.25 um technology.
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