Graduate Thesis Or Dissertation
 

Low-voltage pipeline A/D converter

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https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/nc580q05r

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  • Continuous process scale-down and emerging markets for low-power/low-voltage mobile systems call for low-voltage analog integrated circuits. Switched-capacitor (SC) circuits are the building blocks for analog signal processing and will encounter severe overdrive problems when operating at low voltage conditions. There exist three techniques to solve the problem, but with their own limitations. Multi-threshold process increases cost. Boosted clock will cause life time reliability issues. Switched-opamp slows down the speed of operation. A new low-voltage SC technique without special process and boosted-clock is studied to overcome these drawbacks. To verify the speed advantage of the new scheme over the switched-opamp technique, a 10-bit 20 MS/s pipeline A/D converter operating at 1.5 V supply voltage was designed. A new pseudo-differential structure was proposed and some relevant design issues are discussed. Circuit implementations and layout floorplan are described. All designs are based on Matlab, SWITCAP and Hspice simulation.
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  • File scanned at 300 ppi (Monochrome) using ScandAll PRO 1.8.1 on a Fi-6770A in PDF format. CVista PdfCompressor 4.0 was used for pdf compression and textual OCR.
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