5.2GHz帯DCOの開発と高性能化の検討

Translated title of the contribution: Discussion on the method of the performance improvement of 5.2GHz-Band DCO

内田 健太, アビェシク トマル, ラメシュ ポカレル, 金谷 晴一, 吉田 啓二

Research output: Contribution to journalArticle

Abstract

In this paper, we designed and measured the digitally controlled oscillator (DCO) and compared this DCO with the frequency characteristics of the conventional LC cross-coupled voltage controlled oscillator (VCO). In order to improve the frequency resolution, we applied the transmission line based capacitors instead of MIM capacitors. These transmission line based capacitors are obtained by using electro-magnetic field simulator, and co-designed by using SPICE simulator (ADS, agilent tech.). Finally, we designed and simulated the 15-bit high-resolution DCO implemented on the TSMC 0.18um CMOS
Translated title of the contributionDiscussion on the method of the performance improvement of 5.2GHz-Band DCO
Original languageJapanese
Pages (from-to)11-16
Number of pages6
JournalIEICE technical report
Volume109
Issue number14
Publication statusPublished - Apr 16 2009

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