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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-μm CMOS technology, show a slew rate of 92 V/μs for an 80-pF load and 120
μW of static power consumption.
Analog Integrated Circuits and Signal Processing 01/2006; 46(2):149-152. · 0.59 Impact Factor