Digitally controlled ring oscillator using fraction-based series optimization for inductorless reconfigurable all-digital PLL

Ramesh K. Pokharel; Satoshi Hamada; Abhishek Tomar; Shashank Lingala; Prapto Nugroho; Haruichi Kanaya; Keiji Yoshida

doi:10.1109/SIRF.2011.5719321

Digitally controlled ring oscillator using fraction-based series optimization for inductorless reconfigurable all-digital PLL

Ramesh K. Pokharel, Satoshi Hamada, Abhishek Tomar, Shashank Lingala, Prapto Nugroho, Haruichi Kanaya, Keiji Yoshida

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

4 Citations (Scopus)

Abstract

Design and implementation of a CMOS multiphase 10b digitally controlled oscillator (DCO) in ring topology that employs fraction-based series to optimize the transistors size, are presented. One of the advantages of using fraction-based series is that it can reduce the power consumption compared to the binary series without any cost of tuning range and phase noise. The proposed DCO, which was implemented on 0.18 μm CMOS technology, features the tuning frequency 600 MHz to 4.27 GHz with power consumption from 10 mW-40 mW. The measured phase noise is -114.7 dBc/Hz (@4 MHz offset) of the carrier frequency 2.75 GHz.

Original language	English
Title of host publication	2011 IEEE 11th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, SiRF 2011 - Digest of Papers
Pages	69-72
Number of pages	4
DOIs	https://doi.org/10.1109/SIRF.2011.5719321
Publication status	Published - 2011
Event	2011 IEEE 11th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, SiRF 2011 - Phoenix, AR, United States Duration: Jan 16 2011 → Jan 19 2011

Publication series

Name	2011 IEEE 11th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, SiRF 2011 - Digest of Papers

Other

Other	2011 IEEE 11th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, SiRF 2011
Country/Territory	United States
City	Phoenix, AR
Period	1/16/11 → 1/19/11

All Science Journal Classification (ASJC) codes

Hardware and Architecture
Electrical and Electronic Engineering

Access to Document

10.1109/SIRF.2011.5719321

Cite this

Pokharel, R. K., Hamada, S., Tomar, A., Lingala, S., Nugroho, P., Kanaya, H., & Yoshida, K. (2011). Digitally controlled ring oscillator using fraction-based series optimization for inductorless reconfigurable all-digital PLL. In 2011 IEEE 11th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, SiRF 2011 - Digest of Papers (pp. 69-72). Article 5719321 (2011 IEEE 11th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, SiRF 2011 - Digest of Papers). https://doi.org/10.1109/SIRF.2011.5719321

Digitally controlled ring oscillator using fraction-based series optimization for inductorless reconfigurable all-digital PLL. / Pokharel, Ramesh K.; Hamada, Satoshi; Tomar, Abhishek et al.
2011 IEEE 11th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, SiRF 2011 - Digest of Papers. 2011. p. 69-72 5719321 (2011 IEEE 11th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, SiRF 2011 - Digest of Papers).

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

Pokharel, RK, Hamada, S, Tomar, A, Lingala, S, Nugroho, P, Kanaya, H & Yoshida, K 2011, Digitally controlled ring oscillator using fraction-based series optimization for inductorless reconfigurable all-digital PLL. in 2011 IEEE 11th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, SiRF 2011 - Digest of Papers., 5719321, 2011 IEEE 11th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, SiRF 2011 - Digest of Papers, pp. 69-72, 2011 IEEE 11th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, SiRF 2011, Phoenix, AR, United States, 1/16/11. https://doi.org/10.1109/SIRF.2011.5719321

Pokharel RK, Hamada S, Tomar A, Lingala S, Nugroho P, Kanaya H et al. Digitally controlled ring oscillator using fraction-based series optimization for inductorless reconfigurable all-digital PLL. In 2011 IEEE 11th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, SiRF 2011 - Digest of Papers. 2011. p. 69-72. 5719321. (2011 IEEE 11th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, SiRF 2011 - Digest of Papers). doi: 10.1109/SIRF.2011.5719321

Pokharel, Ramesh K. ; Hamada, Satoshi ; Tomar, Abhishek et al. / Digitally controlled ring oscillator using fraction-based series optimization for inductorless reconfigurable all-digital PLL. 2011 IEEE 11th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, SiRF 2011 - Digest of Papers. 2011. pp. 69-72 (2011 IEEE 11th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, SiRF 2011 - Digest of Papers).

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abstract = "Design and implementation of a CMOS multiphase 10b digitally controlled oscillator (DCO) in ring topology that employs fraction-based series to optimize the transistors size, are presented. One of the advantages of using fraction-based series is that it can reduce the power consumption compared to the binary series without any cost of tuning range and phase noise. The proposed DCO, which was implemented on 0.18 μm CMOS technology, features the tuning frequency 600 MHz to 4.27 GHz with power consumption from 10 mW-40 mW. The measured phase noise is -114.7 dBc/Hz (@4 MHz offset) of the carrier frequency 2.75 GHz.",

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Digitally controlled ring oscillator using fraction-based series optimization for inductorless reconfigurable all-digital PLL

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