Graduate Thesis Or Dissertation

 

Low-power design techniques for low-voltage analog-to-digital converters Pubblico Deposited

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https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/vd66w4615

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  • The demand for portable electronic systems and the continued down-scaling of device dimensions resulted in rapid improvement in the performance of integrated systems. Several low-voltage design techniques have been proposed to operate analog circuits with sub-1V supply. However, these techniques require higher power consumption to achieve large dynamic range while operating with low supply voltage. In this thesis, two low-power design techniques for low-voltage data converters are proposed. The first technique is low-voltage double-sampling method for delta-sigma analog-to-digital converters using a combination of switched-RC technique and floating switched-capacitor configuration. The second technique is an improved clocking scheme for algorithmic analog-to-digital converters with on-chip delay-locked-loop. A 0.9V 92dB delta-sigma audio ADC and a 10MS/s 11-b algorithmic ADC were implemented to demonstrate the proposed design techniques.
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