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On the use of MOS varactors in RF VCOs

Publiceringsår: 2000
Språk: Engelska
Sidor: 905-910
Publikation/Tidskrift/Serie: IEEE Journal of Solid-State Circuits
Volym: 35
Nummer: 6
Dokumenttyp: Artikel i tidskrift
Förlag: IEEE--Institute of Electrical and Electronics Engineers Inc.


This paper presents two 1.8 GHz CMOS voltage-controlled oscillators (VCOs), tuned by an inversion-mode MOS varactor and an accumulation-mode MOS varactor, respectively. Both VCOs show a lower power consumption and a lower phase noise than a reference VCO tuned by a more commonly used diode varactor. The best overall performance is displayed by the accumulation-mode MOS varactor VCO. The VCOs were implemented in a standard 0.6 um CMOS process


  • Electrical Engineering, Electronic Engineering, Information Engineering


  • ISSN: 0018-9200

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