國立虎尾科技大學 |

Design methodology for continuous -time bandpass sigma -delta modulators.

紀錄類型:	書目-語言資料,手稿 : Monograph/item
正題名/作者:	Design methodology for continuous -time bandpass sigma -delta modulators./
作者:	Sobot, Robert.
面頁冊數:	1 online resource (114 pages)
附註:	Source: Dissertation Abstracts International, Volume: 67-07, Section: B, page: 4013.
Contained By:	Dissertation Abstracts International67-07B.
標題:	Electrical engineering. -
電子資源:	click for full text (PQDT)
ISBN:	9780494169650

Design methodology for continuous -time bandpass sigma -delta modulators.
Sobot, Robert.

Design methodology for continuous -time bandpass sigma -delta modulators. - 1 online resource (114 pages)

Source: Dissertation Abstracts International, Volume: 67-07, Section: B, page: 4013.

Thesis (Ph.D.)

Includes bibliographical references

This dissertation concerns the investigation of current problems associated with the analysis and design of tunable continuous time bandpass (CT BP) sigma-delta (SigmaDelta) modulators. This specific modulator group is particularly promising within the context of software-defined radios. However, due to the nonlinear sampling element within a closed-loop s-domain system, the high level of analytical complexity makes current CT BP SigmaDelta modulators difficult to implement.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2018

Mode of access: World Wide Web

ISBN: 9780494169650Subjects--Topical Terms:

596380
Electrical engineering.
Index Terms--Genre/Form:

554714
Electronic books.

Design methodology for continuous -time bandpass sigma -delta modulators.
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100 1 $a Sobot, Robert. $3 890663
245 1 0 $a Design methodology for continuous -time bandpass sigma -delta modulators.
264 0 $c 2005
300 $a 1 online resource (114 pages)
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500 $a Source: Dissertation Abstracts International, Volume: 67-07, Section: B, page: 4013.
502 $a Thesis (Ph.D.) $c Simon Fraser University (Canada) $d 2005.
504 $a Includes bibliographical references
520 $a This dissertation concerns the investigation of current problems associated with the analysis and design of tunable continuous time bandpass (CT BP) sigma-delta (SigmaDelta) modulators. This specific modulator group is particularly promising within the context of software-defined radios. However, due to the nonlinear sampling element within a closed-loop s-domain system, the high level of analytical complexity makes current CT BP SigmaDelta modulators difficult to implement.
520 $a Specific problems addressed in this research were the fundamental principles of the SigmaDelta modulation process, analytical and design methodology, loop delay compensation techniques, monolithic implementation and possible application areas. Theoretical general closed form solutions for the center frequency tunable CT BP SigmaDelta modulator with fractional delays were derived, defining a new sub-class of fractional CT BP SigmaDelta modulators. The developed sub-class offers numerous possible solutions to existing problems in SigmaDelta modulator based circuits, such as loop delay compensation and signal upconversion. A theoretical CT BP SigmaDelta design methodology was then modified to be suitable for mixed-signal integrated circuit (IC) design flow, currently used in both industrial and academic environments. In order to experimentally demonstrate these new analytical concepts, an IC prototype of the proposed fractional SigmaDelta modulator was designed, manufactured in SiGe technology, and tested.
520 $a This research showed that the developed fractional CT BP SigmaDelta modulator concept is a feasible option for future wireless networks; thus providing the crucial element required for software-defined radios.
533 $a Electronic reproduction. $b Ann Arbor, Mich. : $c ProQuest, $d 2018
538 $a Mode of access: World Wide Web
650 4 $a Electrical engineering. $3 596380
655 7 $a Electronic books. $2 local $3 554714
690 $a 0544
710 2 $a ProQuest Information and Learning Co. $3 1178819
710 2 $a Simon Fraser University (Canada). $3 1184300
773 0 $t Dissertation Abstracts International $g 67-07B.
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=NR16965 $z click for full text (PQDT)