Development of dual band digitally controlled oscillator using Fibonacci sequence in 0.18 um CMOS process

K. Miyahara; D. Kanemoto; R. K. Pokharel; K. Yoshida; H. Kanaya

doi:10.1109/TENCON.2013.6718451

Development of dual band digitally controlled oscillator using Fibonacci sequence in 0.18 um CMOS process

K. Miyahara, D. Kanemoto, R. K. Pokharel, K. Yoshida, H. Kanaya

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

This paper presents a digitally controlled oscillator (DCO) in inductor-capacitor (LC) topology with dual -band and fine frequency tuning steps. Using special Fibonacci sequence method and additional capacitor in the capacitor bank, this DCO operates two differential frequency bands and achieves finer tuning range than that of a conventional binary sequence DCO. The proposed circuit is implemented in 0.18 um CMOS technology and tested. It has a high-band frequency of 4.01-4.54 GHz and low-band frequency of 3.41-3.74 GHz. The measured phase noise is -119.3 and -104.5 (dBc/Hz at 1MHz offset) at carrier frequency at 4.54 GHz and 3.41 GHz.

Original language	English
Title of host publication	2013 IEEE International Conference of IEEE Region 10, IEEE TENCON 2013 - Conference Proceedings
DOIs	https://doi.org/10.1109/TENCON.2013.6718451
Publication status	Published - 2013
Event	2013 IEEE International Conference of IEEE Region 10, IEEE TENCON 2013 - Xi'an, Shaanxi, China Duration: Oct 22 2013 → Oct 25 2013

Publication series

Name	IEEE Region 10 Annual International Conference, Proceedings/TENCON
ISSN (Print)	2159-3442
ISSN (Electronic)	2159-3450

Other

Other	2013 IEEE International Conference of IEEE Region 10, IEEE TENCON 2013
Country/Territory	China
City	Xi'an, Shaanxi
Period	10/22/13 → 10/25/13

All Science Journal Classification (ASJC) codes

Computer Science Applications
Electrical and Electronic Engineering

Access to Document

10.1109/TENCON.2013.6718451

Cite this

Miyahara, K., Kanemoto, D., Pokharel, R. K., Yoshida, K., & Kanaya, H. (2013). Development of dual band digitally controlled oscillator using Fibonacci sequence in 0.18 um CMOS process. In 2013 IEEE International Conference of IEEE Region 10, IEEE TENCON 2013 - Conference Proceedings Article 6718451 (IEEE Region 10 Annual International Conference, Proceedings/TENCON). https://doi.org/10.1109/TENCON.2013.6718451

Development of dual band digitally controlled oscillator using Fibonacci sequence in 0.18 um CMOS process. / Miyahara, K.; Kanemoto, D.; Pokharel, R. K. et al.
2013 IEEE International Conference of IEEE Region 10, IEEE TENCON 2013 - Conference Proceedings. 2013. 6718451 (IEEE Region 10 Annual International Conference, Proceedings/TENCON).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Miyahara, K, Kanemoto, D, Pokharel, RK, Yoshida, K & Kanaya, H 2013, Development of dual band digitally controlled oscillator using Fibonacci sequence in 0.18 um CMOS process. in 2013 IEEE International Conference of IEEE Region 10, IEEE TENCON 2013 - Conference Proceedings., 6718451, IEEE Region 10 Annual International Conference, Proceedings/TENCON, 2013 IEEE International Conference of IEEE Region 10, IEEE TENCON 2013, Xi'an, Shaanxi, China, 10/22/13. https://doi.org/10.1109/TENCON.2013.6718451

Miyahara K, Kanemoto D, Pokharel RK, Yoshida K, Kanaya H. Development of dual band digitally controlled oscillator using Fibonacci sequence in 0.18 um CMOS process. In 2013 IEEE International Conference of IEEE Region 10, IEEE TENCON 2013 - Conference Proceedings. 2013. 6718451. (IEEE Region 10 Annual International Conference, Proceedings/TENCON). doi: 10.1109/TENCON.2013.6718451

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abstract = "This paper presents a digitally controlled oscillator (DCO) in inductor-capacitor (LC) topology with dual -band and fine frequency tuning steps. Using special Fibonacci sequence method and additional capacitor in the capacitor bank, this DCO operates two differential frequency bands and achieves finer tuning range than that of a conventional binary sequence DCO. The proposed circuit is implemented in 0.18 um CMOS technology and tested. It has a high-band frequency of 4.01-4.54 GHz and low-band frequency of 3.41-3.74 GHz. The measured phase noise is -119.3 and -104.5 (dBc/Hz at 1MHz offset) at carrier frequency at 4.54 GHz and 3.41 GHz.",

author = "K. Miyahara and D. Kanemoto and Pokharel, {R. K.} and K. Yoshida and H. Kanaya",

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AB - This paper presents a digitally controlled oscillator (DCO) in inductor-capacitor (LC) topology with dual -band and fine frequency tuning steps. Using special Fibonacci sequence method and additional capacitor in the capacitor bank, this DCO operates two differential frequency bands and achieves finer tuning range than that of a conventional binary sequence DCO. The proposed circuit is implemented in 0.18 um CMOS technology and tested. It has a high-band frequency of 4.01-4.54 GHz and low-band frequency of 3.41-3.74 GHz. The measured phase noise is -119.3 and -104.5 (dBc/Hz at 1MHz offset) at carrier frequency at 4.54 GHz and 3.41 GHz.

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Development of dual band digitally controlled oscillator using Fibonacci sequence in 0.18 um CMOS process

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