KR100850420B1 - 시그마델타 아날로그-디지털 변환기의 공진기 구조 - Google Patents
시그마델타 아날로그-디지털 변환기의 공진기 구조 Download PDFInfo
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- KR100850420B1 KR100850420B1 KR1020050038298A KR20050038298A KR100850420B1 KR 100850420 B1 KR100850420 B1 KR 100850420B1 KR 1020050038298 A KR1020050038298 A KR 1020050038298A KR 20050038298 A KR20050038298 A KR 20050038298A KR 100850420 B1 KR100850420 B1 KR 100850420B1
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- Prior art keywords
- integrator
- resonator
- analog
- digital
- digital converter
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M3/00—Conversion of analogue values to or from differential modulation
- H03M3/30—Delta-sigma modulation
- H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M3/00—Conversion of analogue values to or from differential modulation
- H03M3/30—Delta-sigma modulation
- H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Description
Claims (4)
- 아날로그-디지털 변환기의 공진기 구조로서,각각 두개의 적분기로 이루어진 첫 번째 공진기 및 두 번째 공진기를 구비하며,상기 첫 번째 공진기의 첫 번째 적분기의 출력이 상기 두 번째 공진기의 첫 번째 적분기의 입력으로 가해지는 시그마델타 아날로그-디지털 변환기의 공진기 구조.
- 제 1항에 있어서,상기 첫 번째 공진기 및 상기 두 번째 공진기 각각의 첫 번째 적분기와 두 번째 적분기가 그 사이에 가산기가 없이 직렬 연결되며, 상기 첫 번째 공진기의 두 번째 적분기의 출력은 상기 첫 번째 공진기의 첫 번째 적분기로 입력되고, 상기 두 번째 공진기의 두 번째 적분기의 출력은 상기 두 번째 공진기의 첫 번째 적분기의 입력으로 피드백되는 시그마델타 아날로그-디지털 변환기의 공진기 구조.
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KR1020050038298A KR100850420B1 (ko) | 2005-05-09 | 2005-05-09 | 시그마델타 아날로그-디지털 변환기의 공진기 구조 |
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KR1020050038298A KR100850420B1 (ko) | 2005-05-09 | 2005-05-09 | 시그마델타 아날로그-디지털 변환기의 공진기 구조 |
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KR20060116281A KR20060116281A (ko) | 2006-11-15 |
KR100850420B1 true KR100850420B1 (ko) | 2008-08-04 |
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KR1020050038298A KR100850420B1 (ko) | 2005-05-09 | 2005-05-09 | 시그마델타 아날로그-디지털 변환기의 공진기 구조 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20220091079A (ko) | 2020-12-23 | 2022-06-30 | (주)다빛센스 | 아날로그-디지털 변환기 |
KR20230060265A (ko) | 2021-10-27 | 2023-05-04 | (주)다빛센스 | 아날로그-디지털 변환기 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5181032A (en) * | 1991-09-09 | 1993-01-19 | General Electric Company | High-order, plural-bit-quantization sigma-delta modulators using single-bit digital-to-analog conversion feedback |
US5392042A (en) * | 1993-08-05 | 1995-02-21 | Martin Marietta Corporation | Sigma-delta analog-to-digital converter with filtration having controlled pole-zero locations, and apparatus therefor |
US5673044A (en) * | 1995-08-24 | 1997-09-30 | Lockheed Martin Corporation | Cascaded recursive transversal filter for sigma-delta modulators |
WO1999014860A1 (en) | 1997-09-12 | 1999-03-25 | Qualcomm Incorporated | An analog-to-digital converter |
EP1324497A1 (en) | 2001-12-27 | 2003-07-02 | STMicroelectronics S.r.l. | Method for self-calibrating a frequency of a modulator circuit, and circuit using said method |
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2005
- 2005-05-09 KR KR1020050038298A patent/KR100850420B1/ko active IP Right Grant
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5181032A (en) * | 1991-09-09 | 1993-01-19 | General Electric Company | High-order, plural-bit-quantization sigma-delta modulators using single-bit digital-to-analog conversion feedback |
US5392042A (en) * | 1993-08-05 | 1995-02-21 | Martin Marietta Corporation | Sigma-delta analog-to-digital converter with filtration having controlled pole-zero locations, and apparatus therefor |
US5673044A (en) * | 1995-08-24 | 1997-09-30 | Lockheed Martin Corporation | Cascaded recursive transversal filter for sigma-delta modulators |
WO1999014860A1 (en) | 1997-09-12 | 1999-03-25 | Qualcomm Incorporated | An analog-to-digital converter |
EP1324497A1 (en) | 2001-12-27 | 2003-07-02 | STMicroelectronics S.r.l. | Method for self-calibrating a frequency of a modulator circuit, and circuit using said method |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20220091079A (ko) | 2020-12-23 | 2022-06-30 | (주)다빛센스 | 아날로그-디지털 변환기 |
KR20230060265A (ko) | 2021-10-27 | 2023-05-04 | (주)다빛센스 | 아날로그-디지털 변환기 |
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KR20060116281A (ko) | 2006-11-15 |
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