Development of 13 bit digitally controlled oscillator using fibonacci sequence in 0.18 um CMOS process

M. Ishihara, R. K. Pokharel, A. Tomar, D. Kanemoto, H. Kanaya, K. Yoshida

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper presents a digitally controlled oscillator (DCO) in Inductor-Capacitor (LC) topology with an enhanced frequency-steps and power consumption. Using special Fibonacci sequence method for optimizing capacitor sizes, this digitally-controlled oscillator (DCO) realizes frequency-tuning steps superior than a conventional DCO using binary sequence without increasing the power consumption. The proposed circuit is implemented in 0.18 um CMOS technology and tested. It has a center frequency of 7.9 GHz. The measured phase noise is 117.1 dBc/Hz(@1MHz offset) at carrier frequency of 7.7 GHz.

Original languageEnglish
Title of host publicationAsia-Pacific Microwave Conference Proceedings, APMC 2011
Pages1634-1637
Number of pages4
Publication statusPublished - Dec 1 2011
EventAsia-Pacific Microwave Conference, APMC 2011 - Melbourne, VIC, Australia
Duration: Dec 5 2011Dec 8 2011

Publication series

NameAsia-Pacific Microwave Conference Proceedings, APMC

Other

OtherAsia-Pacific Microwave Conference, APMC 2011
CountryAustralia
CityMelbourne, VIC
Period12/5/1112/8/11

Fingerprint

Electric power utilization
Capacitors
Binary sequences
Phase noise
Tuning
Topology
Networks (circuits)

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

Cite this

Ishihara, M., Pokharel, R. K., Tomar, A., Kanemoto, D., Kanaya, H., & Yoshida, K. (2011). Development of 13 bit digitally controlled oscillator using fibonacci sequence in 0.18 um CMOS process. In Asia-Pacific Microwave Conference Proceedings, APMC 2011 (pp. 1634-1637). [6174080] (Asia-Pacific Microwave Conference Proceedings, APMC).

Development of 13 bit digitally controlled oscillator using fibonacci sequence in 0.18 um CMOS process. / Ishihara, M.; Pokharel, R. K.; Tomar, A.; Kanemoto, D.; Kanaya, H.; Yoshida, K.

Asia-Pacific Microwave Conference Proceedings, APMC 2011. 2011. p. 1634-1637 6174080 (Asia-Pacific Microwave Conference Proceedings, APMC).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ishihara, M, Pokharel, RK, Tomar, A, Kanemoto, D, Kanaya, H & Yoshida, K 2011, Development of 13 bit digitally controlled oscillator using fibonacci sequence in 0.18 um CMOS process. in Asia-Pacific Microwave Conference Proceedings, APMC 2011., 6174080, Asia-Pacific Microwave Conference Proceedings, APMC, pp. 1634-1637, Asia-Pacific Microwave Conference, APMC 2011, Melbourne, VIC, Australia, 12/5/11.
Ishihara M, Pokharel RK, Tomar A, Kanemoto D, Kanaya H, Yoshida K. Development of 13 bit digitally controlled oscillator using fibonacci sequence in 0.18 um CMOS process. In Asia-Pacific Microwave Conference Proceedings, APMC 2011. 2011. p. 1634-1637. 6174080. (Asia-Pacific Microwave Conference Proceedings, APMC).
Ishihara, M. ; Pokharel, R. K. ; Tomar, A. ; Kanemoto, D. ; Kanaya, H. ; Yoshida, K. / Development of 13 bit digitally controlled oscillator using fibonacci sequence in 0.18 um CMOS process. Asia-Pacific Microwave Conference Proceedings, APMC 2011. 2011. pp. 1634-1637 (Asia-Pacific Microwave Conference Proceedings, APMC).
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