| Citation: |
Qiao Fei, Yang Huazhong. Low Power Switched-Capacitor Circuits Powered by AC-Power Supply[J]. Journal of Semiconductors, 2006, In Press.
Qiao F, Yang H Z. Low Power Switched-Capacitor Circuits Powered by AC-Power Supply[J]. Chin. J. Semicond., 2006, 27(12): 2203.
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Low Power Switched-Capacitor Circuits Powered by AC-Power Supply
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Abstract
A novel design method for low power switched-capacitor (SC) circuits is presented. The new SC circuits make the best of the characteristics of switched-capacitor circuits and can be directly powered by alternative-current (AC) power supply; the power consuming OTA is powered OFF during sampling phase. Compared with the traditional direct-current-powered SC (DCPSC) circuits, AC-powered SC (ACPSC) circuits achieve a power saving ratio up to 40% without obvious damage to the settling behavior, which is simulated with CSMC 5-V 0.6-μm technology. Also, the functionality of ACPSC circuits is proven by fabricated chips. -
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