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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