A novel higly accurate current mirror

  • Authors:
  • Munir A. Al-Absi

  • Affiliations:
  • Department of Electrical Engineering, King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia

  • Venue:
  • COMPUCHER'07 Proceedings of the 1st WSEAS International Conference on Computational Chemistry
  • Year:
  • 2007

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Abstract

A novel current mirror that can work in weak and strong inversion is proposed. The mirror is capable of copying current down to nano-ampere range. The proposed scheme eliminates the DC matching error caused by the difference between drain-to-source voltages of both input and output transistors. The proposed configuration was verified using ORCAD simulator in 0.8µm CMOS process technology. Simulation results confirm the functionality and accuracy of the approach.