Multipath Polyphase Circuits and their Application to Radio Transceivers

Eric A.M. Klumperink, R. Shrestha, E. Mensink, Gerhardus J.M. Wienk, Z. Ru, Bram Nauta

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

    6 Citations (Scopus)
    161 Downloads (Pure)


    Abstract—Nonlinearity and time-variance in Radio Frequency (RF) circuits leads to unwanted harmonics and intermodulation products, e.g. in power amplifiers and mixers. This paper reviews a recently proposed multipath polyphase circuit technique which can cancel such harmonics and intermodulation products. This will be illustrated using a power upconverter IC as an example. The upconverter works from DC to 2.4 GHz, and the multipath polyphase technique cleans its spectrum up to the 17th harmonic, keeping unwanted spurious responses more than 40dB below the carrier. The technique can also be useful for other applications, and some possible applications will be discussed.
    Original languageEnglish
    Title of host publication 2007 IEEE International Symposium on Circuits and Systems
    Place of PublicationPiscataway
    Number of pages4
    ISBN (Print)1-4244-0921-7
    Publication statusPublished - 28 May 2007
    EventIEEE International Symposium on Circuits and Systems, ISCAS 2007 - New Orleans, United States
    Duration: 27 May 200730 May 2007


    ConferenceIEEE International Symposium on Circuits and Systems, ISCAS 2007
    Abbreviated titleISCAS 2007
    Country/TerritoryUnited States
    CityNew Orleans
    Internet address


    • EWI-10332
    • METIS-241716
    • IR-58149


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