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Analyzing the effect of clock jitter on self-oscillating sigma delta modulators

Dries Vercaemer (UGent) and Pieter Rombouts (UGent)
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Abstract
This paper presents simple but accurate expressions for the noise components caused by clock jitter, in the output signal of self-oscillating sigma delta modulators (SOSDM). Contrary to conventional continuous time sigma delta modulators (CTSDM), the SOSDM's loop contains a strong oscillation, whose attribution to the system's jitter caused noise has not previously been explored. In this paper, the SOSDM system is modeled, and the effect of the self oscillation, the input signal and the quantization noise on the jitter caused noise in the output signal, is calculated. Results are confirmed by system level simulations.
Keywords
jitter, Analog-to-digital conversion, limit cycle, pulse-width modulation, self-oscillating sigma delta modulator, time-encoding, TO-DIGITAL CONVERSION, MM(2), CONVERTER, QUANTIZER, CYCLE, CMOS

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Citation

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

Chicago
Vercaemer, Dries, and Pieter Rombouts. 2016. “Analyzing the Effect of Clock Jitter on Self-oscillating Sigma Delta Modulators.” Ieee Transactions on Circuits and Systems I-regular Papers 63 (2): 200–210.
APA
Vercaemer, D., & Rombouts, P. (2016). Analyzing the effect of clock jitter on self-oscillating sigma delta modulators. IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS, 63(2), 200–210.
Vancouver
1.
Vercaemer D, Rombouts P. Analyzing the effect of clock jitter on self-oscillating sigma delta modulators. IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS. 2016;63(2):200–10.
MLA
Vercaemer, Dries, and Pieter Rombouts. “Analyzing the Effect of Clock Jitter on Self-oscillating Sigma Delta Modulators.” IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS 63.2 (2016): 200–210. Print.
@article{7240687,
  abstract     = {This paper presents simple but accurate expressions for the noise components caused by clock jitter, in the output signal of self-oscillating sigma delta modulators (SOSDM). Contrary to conventional continuous time sigma delta modulators (CTSDM), the SOSDM's loop contains a strong oscillation, whose attribution to the system's jitter caused noise has not previously been explored. In this paper, the SOSDM system is modeled, and the effect of the self oscillation, the input signal and the quantization noise on the jitter caused noise in the output signal, is calculated. Results are confirmed by system level simulations.},
  author       = {Vercaemer, Dries and Rombouts, Pieter},
  issn         = {1549-8328},
  journal      = {IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS},
  keyword      = {jitter,Analog-to-digital conversion,limit cycle,pulse-width modulation,self-oscillating sigma delta modulator,time-encoding,TO-DIGITAL CONVERSION,MM(2),CONVERTER,QUANTIZER,CYCLE,CMOS},
  language     = {eng},
  number       = {2},
  pages        = {200--210},
  title        = {Analyzing the effect of clock jitter on self-oscillating sigma delta modulators},
  url          = {http://dx.doi.org/10.1109/TCSI.2015.2512738},
  volume       = {63},
  year         = {2016},
}

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