An Improved Tail Current Source For Low Voltage Applications - Solid-State Circuits, IEEE Journal of
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چکیده
A new current source for low-voltage applications is proposed. This current source is well suited for biasing differential pairs and source followers. Measured compliance voltage is slightly smaller than that of a single transistor. Its output resistance is a factor of 25 larger than that of a single transistor current source and was measured to be 8 M : The use of the new current source improves the common-mode input range and the common-mode rejection ratio of fully balanced and single-ended differential amplifiers.
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تاریخ انتشار 1998