A multi-band frequency synthesizer for GSM/DCS/WIMAX/WLAN applications with ripple-free circuit

Po Heng Chen*, Che Sheng Chen, Mei Fen Chou, Kuei-Ann Wen

*Corresponding author for this work

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

    2 Scopus citations

    Abstract

    This paper presents a fully integrated multi-band frequency synthesizer implemented in CMOS 0.18μm process with ripple-free circuit in a single loop. The synthesizer is designed for GSM/DCS/WIMAX/WLAN (802.11a/b/g) systems applying to IQ phase based transceivers. The proposed synthesizer with ripple-free circuit can reduce the amplitude of control voltage ripple. The synthesizer performs the suppression of 31.4dB in the spectrum of reference-spur and the peak-to-peak jitter with 74% improvement compared to the conventional single loop synthesizer design.

    Original languageEnglish
    Title of host publicationInternational Conference on Signals and Electronic Systems, ICSES'10 - Conference Proceedings
    Pages169-172
    Number of pages4
    StatePublished - 29 Nov 2010
    EventInternational Conference on Signals and Electronic Systems, ICSES'10 - Gliwice, Poland
    Duration: 7 Sep 201010 Sep 2010

    Publication series

    NameInternational Conference on Signals and Electronic Systems, ICSES'10 - Conference Proceeding

    Conference

    ConferenceInternational Conference on Signals and Electronic Systems, ICSES'10
    Country/TerritoryPoland
    CityGliwice
    Period7/09/1010/09/10

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