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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