Title :
Jitter error cancellation technique in digital domain for ADC
Author :
Chin-Yu Lin ; Tai-Cheng Lee
Author_Institution :
Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei, Taiwan
Abstract :
The impact on performance of Nyquist-rate analog-to-digital converters (ADC) with the presence of sampling clock jitter is first reviewed. Then the sampling clock jitter requirement is investigated based on the linearly approximated sampling model as well as the generic autocorrelation function approach. This leads to the motivation for cancelling the jitter-induced error in the digital domain. Two key points are desired in this method-acquisition of jitter quantities and signal derivative estimation. With the cancellation mechanism, the performance of a Nyquist ADC is improved to extend the performance at high-frequency input.
Keywords :
analogue-digital conversion; correlation methods; jitter; signal sampling; ADC; Nyquist-rate analog-to-digital converters; digital domain; generic autocorrelation function approach; jitter error cancellation technique; jitter quantities acquisition; linearly approximated sampling model; sampling clock jitter requirement; signal derivative estimation; Clocks; Correlation; Estimation; Frequency estimation; Jitter; Linear approximation; Signal to noise ratio; ADC; SNR; TDC; derivative; jitter error cancellation; jitter requirement; period jitter; sampling process;
Conference_Titel :
VLSI Design, Automation, and Test (VLSI-DAT), 2013 International Symposium on
Conference_Location :
Hsinchu
Print_ISBN :
978-1-4673-4435-7
DOI :
10.1109/VLDI-DAT.2013.6533875