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收集所有交通大學研究人員與學生個人或團體所發表之各項學術著作，涵蓋期刊論文、教師專書、學位論文等項。;;Collections of Publications of NCTU Researchers and Students Like Journal Papers and Thesis.

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Author: search.filters.author.Chen, Kuan-HanSubject: search.filters.subject.transformer feedback

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    A Low-Power K-Band CMOS VCO With Four-Coil Transformer Feedback
    (2010-08-01)
    Liu, Szu-Ling
    ;
    Chen, Kuan-Han
    ;
    Chang, Tsu
    ;
    Chin, Albert
    ;
    電子工程學系及電子研究所
    A K-band low-power and low-phase-noise voltagec-ontrolled oscillator (VCO) is presented in this letter. By utilizing four-coil transformer feedback and forward body bias topology, good performances are obtained under a low-power supply with a 5.1% tuning range and a phase noise of -109.8 dBc/Hz at 1 MHz offset from the 21.37-GHz carrier frequency. The core circuit of this VCO only consumes 3.5 mW with a 0.6-V supply voltage and a 0.55-V body bias.