Double Modulation Scheme for Switching Mixers Controlled by Sigma-Delta Modulators

Per Asbeck Nielsen, Carsten Fallesen

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    Abstract

    A new method of modulating a signal, using sigma delta modulation in conjunction with switching- and sub-sampling mixers, is presented. Besides the normal functionality provided by the mixer, an additional mixing or modulation function can be achieved with a small modification to the existing mixer. This modification can be carried out on a large variety of mixers including the above mentioned. Although the principle was meant to be used to down convert analog signals, the principle is general and can be used in digital circuits too. This paper verifies the new mixing scheme and compares it to the traditional mixing scheme. Also the most suitable applications of the different mixing schemes are discussed
    Original languageEnglish
    Title of host publicationElectronics, Circuits and Systems, 1998 IEEE International Conference on
    Volume1
    PublisherIEEE
    Publication date1998
    Pages363-366
    ISBN (Print)0-7803-5008-1
    DOIs
    Publication statusPublished - 1998
    Event1998 IEEE International Conference on Electronics, Circuits and Systems - Lisbon, Portugal
    Duration: 7 Sep 199810 Sep 1998
    http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=6599

    Conference

    Conference1998 IEEE International Conference on Electronics, Circuits and Systems
    Country/TerritoryPortugal
    CityLisbon
    Period07/09/199810/09/1998
    Internet address

    Bibliographical note

    Copyright: 1998 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE

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