Author： Baswa Sushmita
Publisher： Springer Publishing Company
ISSN： 0925-1030
Source： Analog Integrated Circuits and Signal Processing, Vol.46, Iss.2, 2006-02, pp. : 149-152
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Abstract
A novel technique to implement class AB differential amplifier input stages is proposed. It is based on the use of Winner-Take-All circuits for achieving dynamic current boosting, and is well suited for low-voltage operation. Experimental measurements of an OTA using this technique, fabricated in a 0.5-m CMOS technology, show a slew rate of 92 V/s for an 80-pF load and 120 W of static power consumption.
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