Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Rudolf Ritter"'
Publikováno v:
IEEE Journal of Solid-State Circuits. 51:660-670
This paper presents a continuous-time third-order low-pass delta-sigma modulator (DSM) with digitally enhanced out-of-band (OOB) signal filtering for enhanced blocker rejection in receiver analog-to-digital converters (ADCs). It is well known that st
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f8e3d836e2fb71271357183a6e3c19c5
https://doi.org/10.1109/jssc.2015.2509000
https://doi.org/10.1109/jssc.2015.2509000
Publikováno v:
IEEE Transactions on Circuits and Systems I: Regular Papers. 62:1240-1249
In this paper, an enhanced unscented Kalman filter is used for the estimation of non-idealities in sigma-delta modulators. As sigma-delta modulator based analog-to-digital converters are known to be prone to performance degradation from many circuit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5cdbbf188649d0a7a74b5f1e2bcdeae5
https://doi.org/10.1109/tcsi.2015.2395611
https://doi.org/10.1109/tcsi.2015.2395611
Publikováno v:
IEEE Transactions on Circuits and Systems II: Express Briefs. 61:388-392
In this brief, a novel approach to using genetic algorithms (GAs) for estimating nonidealities in continuous-time sigma–delta ( $\Sigma\Delta$ ) modulators during runtime is presented. Since various nonidealities decrease the performance of $\Sigma
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e97a913d3fd730eee4c1c011817439c
https://doi.org/10.1109/tcsii.2014.2319933
https://doi.org/10.1109/tcsii.2014.2319933
Publikováno v:
ICECS
Continuous-time (CT) ΣΔ modulators are well-known for their sensitivity to jitter. This paper intends to compare and clarify the effect of both colored phase noise and white jitter as measures for non-ideal clocks on the performance of CT ΣΔ modu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c576eb5a45511bd48c5d32cc40b29460
https://doi.org/10.1109/icecs.2016.7841242
https://doi.org/10.1109/icecs.2016.7841242
Publikováno v:
Wideband Continuous-time ΣΔ ADCs, Automotive Electronics, and Power Management ISBN: 9783319416694
This article reviews the application and the requirements of Sigma-Delta ADCs with improved interferer robustness. While most power efficient state-of-the-art architectures for Sigma-Delta ADCs are based on forward compensated loop filters, these arc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d81e75059d7417163f5c736d3e1342db
https://doi.org/10.1007/978-3-319-41670-0_3
https://doi.org/10.1007/978-3-319-41670-0_3
Publikováno v:
2016 12th Conference on Ph.D. Research in Microelectronics and Electronics (PRIME).
This paper presents a straightforward method of STF engineering in continuous-time ΣΔ modulators within the web-based design tool www.sigma-delta.de. There are already different well known methods to obtain the STF depending on constraints given by
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c9efddbd67488347aa46e35ef07283b
https://doi.org/10.1109/prime.2016.7519460
https://doi.org/10.1109/prime.2016.7519460
Publikováno v:
ISCAS
For two decades, Excess-Loop-Delay (ELD) is known to degrade the performance of continuous-time (CT) ΣΔ A/D converters. Many methods have been proposed to compensate for this effect, but for their implementation sophisticated knowledge in loop-filt
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5384cb432e5208549caf9ceb52d36233
https://doi.org/10.1109/iscas.2016.7527542
https://doi.org/10.1109/iscas.2016.7527542
Publikováno v:
ISCAS
This paper describes a fundamental limitation of the implicit anti-aliasing filter in continuous-time feedback compensated sigma-delta modulators and a method to overcome it. This anti-aliasing filter can be used to relax an additionally required pre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fbc9129e50c052f013d8d51cad903feb
https://doi.org/10.1109/iscas.2015.7168636
https://doi.org/10.1109/iscas.2015.7168636
Publikováno v:
ISCAS
In this work, an unscented Kalman filter with improved numerical properties is shown to be able to simultaneously estimate the major nonidealities of continuous-time sigma-delta modulators. Circuit imperfections in sigma-delta modulators like, e.g.,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::40e8896787c09cb8188f1e5095283eed
https://doi.org/10.1109/iscas.2014.6865346
https://doi.org/10.1109/iscas.2014.6865346