DE69314939T2 - Verfahren zur kaskadierung von sigma-delta modulatoren und ein sigma-delta modulatorsystem - Google Patents
Verfahren zur kaskadierung von sigma-delta modulatoren und ein sigma-delta modulatorsystemInfo
- Publication number
- DE69314939T2 DE69314939T2 DE69314939T DE69314939T DE69314939T2 DE 69314939 T2 DE69314939 T2 DE 69314939T2 DE 69314939 T DE69314939 T DE 69314939T DE 69314939 T DE69314939 T DE 69314939T DE 69314939 T2 DE69314939 T2 DE 69314939T2
- Authority
- DE
- Germany
- Prior art keywords
- sigma
- pct
- delta
- cascading
- modulator
- Prior art date
- 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.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M3/00—Conversion of analogue values to or from differential modulation
- H03M3/02—Delta modulation, i.e. one-bit differential modulation
-
- 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
- H03M3/412—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution
- H03M3/414—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having multiple quantisers arranged in cascaded loops, each of the second and further loops processing the quantisation error of the loop preceding it, i.e. multiple stage noise shaping [MASH] type
- H03M3/418—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having multiple quantisers arranged in cascaded loops, each of the second and further loops processing the quantisation error of the loop preceding it, i.e. multiple stage noise shaping [MASH] type all these quantisers being single bit quantisers
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI920378A FI90296C (fi) | 1992-01-28 | 1992-01-28 | Menetelmä sigma-delta-modulaattorien kytkemiseksi kaskadiin ja sigma-delta-modulaattorijärjestelmä |
PCT/FI1993/000027 WO1993015557A1 (en) | 1992-01-28 | 1993-01-28 | Method for cascading sigma-delta modulators and a sigma-delta modulator system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69314939D1 DE69314939D1 (de) | 1997-12-04 |
DE69314939T2 true DE69314939T2 (de) | 1998-03-05 |
Family
ID=8534274
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69314939T Expired - Fee Related DE69314939T2 (de) | 1992-01-28 | 1993-01-28 | Verfahren zur kaskadierung von sigma-delta modulatoren und ein sigma-delta modulatorsystem |
Country Status (8)
Country | Link |
---|---|
US (1) | US5629701A (de) |
EP (1) | EP0624290B1 (de) |
JP (1) | JP3113277B2 (de) |
KR (1) | KR100343757B1 (de) |
AT (1) | ATE159840T1 (de) |
DE (1) | DE69314939T2 (de) |
FI (1) | FI90296C (de) |
WO (1) | WO1993015557A1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5442354A (en) * | 1993-08-26 | 1995-08-15 | Advanced Micro Devices, Inc. | Fourth-order cascaded sigma-delta modulator |
US6348888B1 (en) * | 1999-03-22 | 2002-02-19 | Texas Instruments Incorporated | Pipelined ADC with noise-shaped interstage gain error |
EP1177634B1 (de) | 1999-05-05 | 2004-09-29 | Infineon Technologies AG | Sigma-delta-analog/digital-wandleranordnung |
US6408031B1 (en) * | 1999-10-27 | 2002-06-18 | Agere Systems Guardian Corp. | Single bit Sigma Delta filter with input gain |
EP1161044B1 (de) * | 2000-05-30 | 2006-11-15 | Matsushita Electric Industrial Co., Ltd. | Quadraturmodulator |
JP3795338B2 (ja) * | 2001-02-27 | 2006-07-12 | 旭化成マイクロシステム株式会社 | 全差動型サンプリング回路及びデルタシグマ型変調器 |
JP2002353815A (ja) * | 2001-05-23 | 2002-12-06 | Pioneer Electronic Corp | デルタシグマ型ad変換器 |
DE10205680B4 (de) * | 2002-02-12 | 2010-06-02 | Infineon Technologies Ag | Ein-Punkt-Modulator mit PLL-Schaltung |
US6788232B1 (en) * | 2003-01-14 | 2004-09-07 | Berkana Wireless, Inc. | Sigma delta modulator |
JP4141865B2 (ja) * | 2003-03-11 | 2008-08-27 | 株式会社ルネサステクノロジ | モジュレータ |
JP3830924B2 (ja) * | 2003-07-04 | 2006-10-11 | 松下電器産業株式会社 | 縦続型デルタシグマ変調器 |
US7034728B2 (en) * | 2004-08-11 | 2006-04-25 | Raytheon Company | Bandpass delta-sigma modulator with distributed feedforward paths |
TWI517596B (zh) * | 2013-07-18 | 2016-01-11 | 瑞昱半導體股份有限公司 | 前饋式三角積分調變器 |
US10128875B1 (en) | 2018-03-30 | 2018-11-13 | Mitsubishi Electric Research Laboratories, Inc. | Methods and system of a digital transmitter with reduced quantization noise |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01204528A (ja) * | 1988-02-10 | 1989-08-17 | Fujitsu Ltd | A/d変換器 |
US4862169A (en) * | 1988-03-25 | 1989-08-29 | Motorola, Inc. | Oversampled A/D converter using filtered, cascaded noise shaping modulators |
US5055846A (en) * | 1988-10-13 | 1991-10-08 | Crystal Semiconductor Corporation | Method for tone avoidance in delta-sigma converters |
FI80548C (fi) * | 1988-11-09 | 1990-06-11 | Nokia Oy Ab | Foerfarande foer kaskadkoppling av tvao eller flera sigma-deltamodulatorer samt ett sigma-delta-modulatorsystem. |
US5153593A (en) * | 1990-04-26 | 1992-10-06 | Hughes Aircraft Company | Multi-stage sigma-delta analog-to-digital converter |
US5442354A (en) * | 1993-08-26 | 1995-08-15 | Advanced Micro Devices, Inc. | Fourth-order cascaded sigma-delta modulator |
-
1992
- 1992-01-28 FI FI920378A patent/FI90296C/fi active
-
1993
- 1993-01-28 US US08/256,567 patent/US5629701A/en not_active Expired - Lifetime
- 1993-01-28 JP JP05512955A patent/JP3113277B2/ja not_active Expired - Fee Related
- 1993-01-28 WO PCT/FI1993/000027 patent/WO1993015557A1/en active IP Right Grant
- 1993-01-28 DE DE69314939T patent/DE69314939T2/de not_active Expired - Fee Related
- 1993-01-28 AT AT93914539T patent/ATE159840T1/de not_active IP Right Cessation
- 1993-01-28 EP EP93914539A patent/EP0624290B1/de not_active Expired - Lifetime
-
1994
- 1994-07-28 KR KR1019940702607A patent/KR100343757B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US5629701A (en) | 1997-05-13 |
KR100343757B1 (ko) | 2002-11-23 |
EP0624290B1 (de) | 1997-10-29 |
FI90296B (fi) | 1993-09-30 |
FI920378A (fi) | 1993-07-29 |
KR950700640A (ko) | 1995-01-16 |
ATE159840T1 (de) | 1997-11-15 |
WO1993015557A1 (en) | 1993-08-05 |
FI90296C (fi) | 1994-01-10 |
JPH07503346A (ja) | 1995-04-06 |
JP3113277B2 (ja) | 2000-11-27 |
FI920378A0 (fi) | 1992-01-28 |
DE69314939D1 (de) | 1997-12-04 |
EP0624290A1 (de) | 1994-11-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: TRITECH MICROELECTRONICS LTD., SINGAPORE, SG |
|
8339 | Ceased/non-payment of the annual fee |