CA2519884A1 - Digital pulse width controlled oscillation modulator - Google Patents
Digital pulse width controlled oscillation modulator Download PDFInfo
- Publication number
- CA2519884A1 CA2519884A1 CA002519884A CA2519884A CA2519884A1 CA 2519884 A1 CA2519884 A1 CA 2519884A1 CA 002519884 A CA002519884 A CA 002519884A CA 2519884 A CA2519884 A CA 2519884A CA 2519884 A1 CA2519884 A1 CA 2519884A1
- Authority
- CA
- Canada
- Prior art keywords
- modulator
- integrator
- output
- comparator
- filter
- 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.)
- Abandoned
Links
- 230000010355 oscillation Effects 0.000 title claims description 21
- 238000013139 quantization Methods 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000006870 function Effects 0.000 description 16
- 238000010586 diagram Methods 0.000 description 9
- 230000004044 response Effects 0.000 description 8
- 238000012546 transfer Methods 0.000 description 7
- 230000035945 sensitivity Effects 0.000 description 6
- 238000013459 approach Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M5/00—Conversion of the form of the representation of individual digits
- H03M5/02—Conversion to or from representation by pulses
- H03M5/04—Conversion to or from representation by pulses the pulses having two levels
- H03M5/06—Code representation, e.g. transition, for a given bit cell depending only on the information in that bit cell
- H03M5/08—Code representation by pulse width
-
- 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
- H03M3/50—Digital/analogue converters using delta-sigma modulation as an intermediate step
- H03M3/502—Details of the final digital/analogue conversion following the digital delta-sigma modulation
- H03M3/506—Details of the final digital/analogue conversion following the digital delta-sigma modulation the final digital/analogue converter being constituted by a pulse width modulator
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/3002—Conversion to or from differential modulation
- H03M7/3004—Digital delta-sigma modulation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/3002—Conversion to or from differential modulation
- H03M7/3004—Digital delta-sigma modulation
- H03M7/3015—Structural details of digital delta-sigma modulators
- H03M7/302—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution
- H03M7/3024—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only
- H03M7/3028—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only the quantiser being a single bit one
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/3002—Conversion to or from differential modulation
- H03M7/3004—Digital delta-sigma modulation
- H03M7/3015—Structural details of digital delta-sigma modulators
- H03M7/3031—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path
- H03M7/3033—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path the modulator having a higher order loop filter in the feedforward path, e.g. with distributed feedforward inputs
- H03M7/304—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path the modulator having a higher order loop filter in the feedforward path, e.g. with distributed feedforward inputs with distributed feedback, i.e. with feedback paths from the quantiser output to more than one filter stage
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Amplifiers (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Dc-Dc Converters (AREA)
- Analogue/Digital Conversion (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Medicines Containing Plant Substances (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0300780-4 | 2003-03-24 | ||
| SE0300780A SE0300780D0 (sv) | 2003-03-24 | 2003-03-24 | Digital pulse width controlled oscillation modulator |
| PCT/IB2004/000852 WO2004086629A1 (en) | 2003-03-24 | 2004-03-23 | Digital pulse width controlled oscillation modulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2519884A1 true CA2519884A1 (en) | 2004-10-07 |
Family
ID=20290741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002519884A Abandoned CA2519884A1 (en) | 2003-03-24 | 2004-03-23 | Digital pulse width controlled oscillation modulator |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US7479840B2 (enExample) |
| EP (1) | EP1606885B1 (enExample) |
| JP (1) | JP4477623B2 (enExample) |
| KR (1) | KR101076636B1 (enExample) |
| CN (1) | CN1765055B (enExample) |
| AT (1) | ATE422730T1 (enExample) |
| AU (1) | AU2004223010B2 (enExample) |
| CA (1) | CA2519884A1 (enExample) |
| DE (1) | DE602004019401D1 (enExample) |
| ES (1) | ES2319423T3 (enExample) |
| SE (1) | SE0300780D0 (enExample) |
| WO (1) | WO2004086629A1 (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007098766A1 (en) * | 2006-03-01 | 2007-09-07 | Danmarks Teknishe Universitet | Digital self-oscillating modulator |
| US7868803B2 (en) * | 2006-10-13 | 2011-01-11 | Panasonic Corporation | Semiconductor device having ΔΣ modulator, and semiconductor system |
| US7714675B2 (en) * | 2006-12-05 | 2010-05-11 | Broadcom Corporation | All digital Class-D modulator and its saturation protection techniques |
| KR100963847B1 (ko) * | 2008-02-12 | 2010-06-16 | 주식회사 씨자인 | 교차 입력신호 변조기 |
| TW201015863A (en) * | 2008-10-07 | 2010-04-16 | Unisonic Technologies Co Ltd | PWM control circuit using city power-line electricity frequency modulation to reduce electromagnetic interference and method thereof |
| JP5413216B2 (ja) * | 2010-01-25 | 2014-02-12 | 富士通株式会社 | 遅延時間差測定回路 |
| US8081041B2 (en) * | 2010-02-19 | 2011-12-20 | Exar Corporation | Glue-logic based method and system for minimizing losses in oversampled digitally controlled DC-DC converters |
| CN110850923B (zh) | 2014-05-22 | 2022-05-13 | 德克萨斯仪器股份有限公司 | 具有双计数器数字积分器的直流到直流转换器控制器装置 |
| EP3416285B1 (en) * | 2017-06-16 | 2021-06-02 | ICEpower a/s | Self-oscillating amplifier system |
| KR102905493B1 (ko) * | 2019-12-26 | 2025-12-29 | 시냅틱스 인코포레이티드 | 저 지연, 저 전력 및 고 선형성 클래스-d 변조 루프 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05304475A (ja) * | 1992-04-10 | 1993-11-16 | Nec Corp | ノイズシェイパ |
| ATE366483T1 (de) | 1996-03-28 | 2007-07-15 | Texas Instr Denmark As | Umwandlung eines pcm-signals in ein gleichmässig pulsbreitenmoduliertes signal |
| US5777512A (en) * | 1996-06-20 | 1998-07-07 | Tripath Technology, Inc. | Method and apparatus for oversampled, noise-shaping, mixed-signal processing |
| US5886586A (en) * | 1996-09-06 | 1999-03-23 | The Regents Of The University Of California | General constant frequency pulse-width modulators |
| EP1042865B8 (en) * | 1997-04-02 | 2005-01-19 | Bang & Olufsen Icepower A/S | Pulse referenced control method for enhanced power amplification of a pulse modulated signal |
| US6390579B1 (en) * | 1999-04-15 | 2002-05-21 | Hewlett-Packard Company | Pulse width modulator using delay-line technology with automatic calibration of delays to desired operating frequency |
| SE0003342D0 (sv) * | 2000-09-19 | 2000-09-19 | Bang & Olufsen Powerhouse As | Controlled self-oscillation modulator and power conversion system using such a modulator |
| GB0110340D0 (en) * | 2001-04-27 | 2001-06-20 | Watts Robert D | A signal processing circuit |
-
2003
- 2003-03-24 SE SE0300780A patent/SE0300780D0/xx unknown
-
2004
- 2004-03-23 KR KR1020057017984A patent/KR101076636B1/ko not_active Expired - Fee Related
- 2004-03-23 AU AU2004223010A patent/AU2004223010B2/en not_active Ceased
- 2004-03-23 WO PCT/IB2004/000852 patent/WO2004086629A1/en not_active Ceased
- 2004-03-23 CA CA002519884A patent/CA2519884A1/en not_active Abandoned
- 2004-03-23 CN CN2004800079817A patent/CN1765055B/zh not_active Expired - Fee Related
- 2004-03-23 JP JP2006506372A patent/JP4477623B2/ja not_active Expired - Fee Related
- 2004-03-23 EP EP04722600A patent/EP1606885B1/en not_active Expired - Lifetime
- 2004-03-23 ES ES04722600T patent/ES2319423T3/es not_active Expired - Lifetime
- 2004-03-23 US US10/548,432 patent/US7479840B2/en not_active Expired - Fee Related
- 2004-03-23 DE DE602004019401T patent/DE602004019401D1/de not_active Expired - Lifetime
- 2004-03-23 AT AT04722600T patent/ATE422730T1/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR20060005346A (ko) | 2006-01-17 |
| EP1606885A1 (en) | 2005-12-21 |
| EP1606885B1 (en) | 2009-02-11 |
| WO2004086629A1 (en) | 2004-10-07 |
| US20060232351A1 (en) | 2006-10-19 |
| US7479840B2 (en) | 2009-01-20 |
| AU2004223010A1 (en) | 2004-10-07 |
| JP4477623B2 (ja) | 2010-06-09 |
| AU2004223010B2 (en) | 2006-12-07 |
| ATE422730T1 (de) | 2009-02-15 |
| JP2006521736A (ja) | 2006-09-21 |
| KR101076636B1 (ko) | 2011-10-26 |
| ES2319423T3 (es) | 2009-05-07 |
| CN1765055B (zh) | 2012-01-11 |
| DE602004019401D1 (de) | 2009-03-26 |
| CN1765055A (zh) | 2006-04-26 |
| SE0300780D0 (sv) | 2003-03-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |