JP2004179739A5 - - Google Patents
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- Publication number
- JP2004179739A5 JP2004179739A5 JP2002340745A JP2002340745A JP2004179739A5 JP 2004179739 A5 JP2004179739 A5 JP 2004179739A5 JP 2002340745 A JP2002340745 A JP 2002340745A JP 2002340745 A JP2002340745 A JP 2002340745A JP 2004179739 A5 JP2004179739 A5 JP 2004179739A5
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- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002340745A JP3902120B2 (ja) | 2002-11-25 | 2002-11-25 | デルタシグマ変調器およびディジタルアンプ |
| US10/716,508 US20040122544A1 (en) | 2002-11-25 | 2003-11-20 | Delta-sigma modulator, method of switching delta-sigma modulator, and digital amplifier |
| EP03257351A EP1424780B1 (en) | 2002-11-25 | 2003-11-21 | Delta-sigma modulator, method of switching delta-sigma modulator, and digital amplifier |
| DE60308983T DE60308983T2 (de) | 2002-11-25 | 2003-11-21 | Delta-Sigma Modulator, Verfahren zur Schaltung eines Delta-Sigma Modulators, und Digitalverstärker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002340745A JP3902120B2 (ja) | 2002-11-25 | 2002-11-25 | デルタシグマ変調器およびディジタルアンプ |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2004179739A JP2004179739A (ja) | 2004-06-24 |
| JP2004179739A5 true JP2004179739A5 (ja) | 2005-11-17 |
| JP3902120B2 JP3902120B2 (ja) | 2007-04-04 |
Family
ID=32290392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002340745A Expired - Fee Related JP3902120B2 (ja) | 2002-11-25 | 2002-11-25 | デルタシグマ変調器およびディジタルアンプ |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20040122544A1 (ja) |
| EP (1) | EP1424780B1 (ja) |
| JP (1) | JP3902120B2 (ja) |
| DE (1) | DE60308983T2 (ja) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006054545A (ja) * | 2004-08-10 | 2006-02-23 | Matsushita Electric Ind Co Ltd | ディジタルゲイン制御装置とそれを用いたオーディオ信号電力増幅装置、並びにそれらの方法 |
| KR101572121B1 (ko) | 2014-10-10 | 2015-11-26 | 이재석 | 저전압 직류전원을 이용한 발광 다이오드 조명제어 시스템 및 발광 다이오드 조명제어 방법 |
| CN105450199B (zh) * | 2015-11-19 | 2019-02-22 | 厦门大学 | 具有快速建立时间的级联积分梳状滤波器及其设计方法 |
| US9985646B1 (en) | 2017-10-18 | 2018-05-29 | Schweitzer Engineering Laboratories, Inc. | Analog-to-digital converter verification using quantization noise properties |
| US10033400B1 (en) | 2017-10-18 | 2018-07-24 | Schweitzer Engineering Laboratories, Inc. | Analog-to-digital converter verification using quantization noise properties |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5012244A (en) * | 1989-10-27 | 1991-04-30 | Crystal Semiconductor Corporation | Delta-sigma modulator with oscillation detect and reset circuit |
| FI88765C (fi) * | 1991-04-09 | 1993-06-28 | Nokia Mobile Phones Ltd | Foerfarande och arrangemang foer stabilering av en hoegre grads sigma-delta-modulator |
| US5742246A (en) * | 1996-03-22 | 1998-04-21 | National Science Council | Stabilizing mechanism for sigma-delta modulator |
| US5757301A (en) * | 1997-05-01 | 1998-05-26 | National Science Council | Instability recovery method for sigma-delta modulators |
| US5959562A (en) * | 1997-09-03 | 1999-09-28 | Analog Devices, Inc. | Sigma-delta modulator and method for operating such modulator |
| US6064326A (en) * | 1998-03-30 | 2000-05-16 | Silicon Laboratories, Inc. | Analog-to-digital conversion overload detection and suppression |
| JP2001237707A (ja) * | 2000-02-18 | 2001-08-31 | Sony Corp | デジタル信号処理装置及び方法、並びにδς変調器 |
| EP1202461B1 (en) * | 2000-10-25 | 2005-03-09 | STMicroelectronics S.r.l. | A method of improving the signal/noise ratio of a sigma-delta modulator and a circuit which uses the method |
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2002
- 2002-11-25 JP JP2002340745A patent/JP3902120B2/ja not_active Expired - Fee Related
-
2003
- 2003-11-20 US US10/716,508 patent/US20040122544A1/en not_active Abandoned
- 2003-11-21 EP EP03257351A patent/EP1424780B1/en not_active Expired - Lifetime
- 2003-11-21 DE DE60308983T patent/DE60308983T2/de not_active Expired - Fee Related