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A 1.8-GHz CMOS VCO tuned by an accumulation-mode MOS varactor

Publiceringsår: 2000
Språk: Engelska
Sidor: 315-318
Publikation/Tidskrift/Serie: The 2000 IEEE International Symposium on Circuits and Systems, 2000. Proceedings. ISCAS 2000.
Volym: 1
Dokumenttyp: Konferensbidrag


This work presents a 1.8-GHz VCO tuned by a pMOS capacitor working exclusively in the accumulation and depletion regions. The VCO has been fabricated in a standard 0.6 μm CMOS process. It shows a tuning range of about 11% and a phase noise of -137 dBc/Hz at 3 MHz offset from the carrier, for a current consumption of 2.7 mA. The VCO compares favorably with a CMOS VCO tuned by a reverse biased diode varactor


  • Electrical Engineering, Electronic Engineering, Information Engineering


  • ISBN: 0-7803-5482-6

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