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Study on a second-order bandpass Σ∆-modulator for flexible AD-conversion
Linköping University, Department of Electrical Engineering.
2008 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

An important component in many communication system is the digital to analog converter. The component is needed in order to convert real world analog quantities to digital quantities which are easier to process. As the market for hand held devices with wireless communication with the outer world has increased new approaches for sharing the frequency spectrum are needed. Therefore it would be interesting to look at the possibility to design an analog to digital converter that, in runtime, can change the frequency band converted, and hence the used standard. This thesis study one of the possibilities to design such an ADC, as a Σ∆ modulator, and more precise the structure called Cascade of resonators with distributed feedback and input (CRFB). The order of the modulator in this study is two.

Place, publisher, year, edition, pages
Institutionen för systemteknik , 2008. , 141 p.
Keyword [en]
Sigma-Delta, Delta-Sigma, bandpass modulators, flexible ADC
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:liu:diva-12105ISRN: LiTH-ISY-EX--08/4064--SEOAI: diva2:18423
2008-02-21, Nollstället, B-huset, Linköpings Universitet, 581 83 LINKÖPING, 10:15 (English)
Available from: 2008-06-11 Created: 2008-06-11Bibliographically approved

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