Article,

Comparison of CMOS Current Mirror Sources

(Eds.)
Int. J. on Recent Trends in Engineering and Technology,, 8 (2): 5 (January 2013)

Abstract

The benefits of using good current sources in analog signal conditioning circuit are well known. The objectives of this paper are to built and compare the CMOS current mirror sources fit for the desired applications. The current sources are developed by using current mirror circuits fed from identical input current source. A straightforward approach to design and compare the current sources based on four parameters is presented here. The current mirror, Cascode current mirror and Wilson current mirror sources are compared with output resistance, systematic gain error, input voltage and minimum output voltage. The simulation results are included in the paper and validated with the derived values. The proposed current sources circuits have designed in 0.25μm CMOS technology with the help of EDA tool Tanner V14.1.

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