An Optimal Design of CMOS Two Stage Comparator Circuit using Swarm Intelligence Technique

Sasikumar Sasikumar, Muthaiah Muthaiah

Abstract


A swarm intelligent based optimization technique named as Flower pollination algorithm (FPA) is applied for the design of the CMOS two stage comparator circuit. The basic idea of FPA mimics the flower pollination process of flowering plants. The input control parameters of FPA improve the exploration and exploitation capabilities of optimization problem. This paper presents the design of a CMOS two-stage comparator circuit using simulation based model called swarm intelligence technique. Simulation results shows that the proposed method is capable to determine the transistor sizes and bias current values of the CMOS comparator. The results obtained from the FPA improved the design performance of comparator in terms of power consumption, MOS transistor area and gain. To investigate the efficiency of proposed approach, comparisons have been carried out with differential evolution (DE) and harmony search (HS) algorithm based circuit design. The performances of FPA based comparator design are better than the previously reported works

Keywords


Swarm intelligence; CMOS comparator; Circuit sizing; Flower pollination algorithm; design automation

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DOI: http://doi.org/10.11591/ijres.v7.i3.pp131-137
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Creative Commons License
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.