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HoseinAli Jafari, HoseinAli
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Environmental Science

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An Offset-free High linear Low Power High Speed Four-Quadrant MTL Multiplier Jafari, HoseinAli; Abbasi, Zahra; Azhari, Seyed Javad
Emerging Science Journal Vol 1, No 3 (2017): October
Publisher : Ital Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (736.215 KB) | DOI: 10.28991/ijse-01115

Abstract

In this paper a new CMOS current-mode four-quadrant analog multiplier circuit is proposed. The major advantages of this design are high linearity, high speed and low power consumption. Removing dc offset is the most important improvement in this topology. The circuit is designed with 1.8V supply voltage and is simulated using HSPICE simulator by level 49 parameters in 0.18µm standard CMOS TSMC technology. The aspect ratios of the MOSFETs are optimized using Evolutionary algorithm by MATLAB. The simulation results of this analog multiplier demonstrate a maximum linearity error of 2.6%, a THD of 1.77%, maximum power consumption of 157 µW, -3dB bandwidth of 241MHz and almost free from dc offset.
Co-Authors Seyed Javad Azhari, Seyed Javad Zahra Abbasi, Zahra