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Dynamic biasing scheme for high-speed= low-power switched-capacitor stages

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2 Author(s)
Y. Wang ; Dept. of Electr. Eng. & Comput. Sci., Oregon State Univ., Kelley Eng. Center, OR ; G. C. Temes

A scheme is proposed for adjusting the bias current of the op-amp in a switched-capacitor stage so that it follows the swing of the input signal, minimising the power consumption of the stage. Simulations indicate that a 60% power saving is possible using the method

Published in:

Electronics Letters  (Volume:43 ,  Issue: 4 )