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Enhanced circuit for linear ring VCO-ADCs

Jonas Borgmans (UGent) and Pieter Rombouts (UGent)
(2019) ELECTRONICS LETTERS. 55(10). p.583-585
Author
Organization
Abstract
Recently an extremely linear voltage-controlled ring-oscillator for use in VCO-ADCs was proposed by Babaie-Fishani and Rombouts. In this current Letter, a circuit-level technique to improve the bandwidth and noise performance of such a linear VCO is proposed. The key element is the modified delay cell, where the traditional cross-coupled inverters are modified into ` feed-forward' coupling inverters that pre-charge the subsequent elements in the ring. The resulting circuit maintains the excellent linearity, but has greatly enhanced bandwidth (up to 3 times higher) and considerably reduced power for the same circuit noise level (up to 2.5 times lower).
Keywords
Electrical and Electronic Engineering

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Citation

Please use this url to cite or link to this publication:

MLA
Borgmans, Jonas, and Pieter Rombouts. “Enhanced Circuit for Linear Ring VCO-ADCs.” ELECTRONICS LETTERS, vol. 55, no. 10, 2019, pp. 583–85.
APA
Borgmans, J., & Rombouts, P. (2019). Enhanced circuit for linear ring VCO-ADCs. ELECTRONICS LETTERS, 55(10), 583–585.
Chicago author-date
Borgmans, Jonas, and Pieter Rombouts. 2019. “Enhanced Circuit for Linear Ring VCO-ADCs.” ELECTRONICS LETTERS 55 (10): 583–85.
Chicago author-date (all authors)
Borgmans, Jonas, and Pieter Rombouts. 2019. “Enhanced Circuit for Linear Ring VCO-ADCs.” ELECTRONICS LETTERS 55 (10): 583–585.
Vancouver
1.
Borgmans J, Rombouts P. Enhanced circuit for linear ring VCO-ADCs. ELECTRONICS LETTERS. 2019;55(10):583–5.
IEEE
[1]
J. Borgmans and P. Rombouts, “Enhanced circuit for linear ring VCO-ADCs,” ELECTRONICS LETTERS, vol. 55, no. 10, pp. 583–585, 2019.
@article{8616616,
  abstract     = {Recently an extremely linear voltage-controlled ring-oscillator for use in VCO-ADCs was proposed by Babaie-Fishani and Rombouts. In this current Letter, a circuit-level technique to improve the bandwidth and noise performance of such a linear VCO is proposed. The key element is the modified delay cell, where the traditional cross-coupled inverters are modified into ` feed-forward' coupling inverters that pre-charge the subsequent elements in the ring. The resulting circuit maintains the excellent linearity, but has greatly enhanced bandwidth (up to 3 times higher) and considerably reduced power for the same circuit noise level (up to 2.5 times lower).},
  author       = {Borgmans, Jonas and Rombouts, Pieter},
  issn         = {0013-5194},
  journal      = {ELECTRONICS LETTERS},
  keywords     = {Electrical and Electronic Engineering},
  language     = {eng},
  number       = {10},
  pages        = {583--585},
  title        = {Enhanced circuit for linear ring VCO-ADCs},
  url          = {http://dx.doi.org/10.1049/el.2019.0241},
  volume       = {55},
  year         = {2019},
}

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