Abstract
A new CMOS current-mode four-quadrant analog multiplier is presented. The design is based on the square-difference approach using short-channel MOSFETs operating in saturation region and a rectifier. The squaring circuit used is free of error due to carrier mobility reduction and hence an accurate multiplier is achieved. Tanner T-spice is used to confirm the functionality of the proposed design using 0.18μm TCMS CMOS process technology. Simulation results shows that the relative error is 1.8% and –3dB frequency is 230MHz.
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Al-Absi, M.A., As-Sabban, I.A. A New Highly Accurate CMOS Current-Mode Four-Quadrant Multiplier. Arab J Sci Eng 40, 551–558 (2015). https://doi.org/10.1007/s13369-014-1551-3
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DOI: https://doi.org/10.1007/s13369-014-1551-3