JP2006500871A5 - - Google Patents
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- Publication number
- JP2006500871A5 JP2006500871A5 JP2004540042A JP2004540042A JP2006500871A5 JP 2006500871 A5 JP2006500871 A5 JP 2006500871A5 JP 2004540042 A JP2004540042 A JP 2004540042A JP 2004540042 A JP2004540042 A JP 2004540042A JP 2006500871 A5 JP2006500871 A5 JP 2006500871A5
- Authority
- JP
- Japan
- Prior art keywords
- pulse modulated
- signals
- signal
- full
- sum
- 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.)
- Granted
Links
- 238000013139 quantization Methods 0.000 claims 10
- 238000007493 shaping process Methods 0.000 claims 8
- 238000000034 method Methods 0.000 claims 7
- 238000006243 chemical reaction Methods 0.000 claims 2
- 230000010354 integration Effects 0.000 claims 2
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/255,213 US7142597B2 (en) | 2002-09-26 | 2002-09-26 | Full bridge integral noise shaping for quantization of pulse width modulation signals |
| PCT/US2003/027431 WO2004030223A2 (en) | 2002-09-26 | 2003-08-22 | Full bridge integral noise shaping for quantization of pulse width modulation signals |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2006500871A JP2006500871A (ja) | 2006-01-05 |
| JP2006500871A5 true JP2006500871A5 (enExample) | 2006-10-05 |
| JP4313760B2 JP4313760B2 (ja) | 2009-08-12 |
Family
ID=32029078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004540042A Expired - Fee Related JP4313760B2 (ja) | 2002-09-26 | 2003-08-22 | パルス幅変調信号の量子化のためのフルブリッジ積分ノイズ・シェーピング |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7142597B2 (enExample) |
| EP (1) | EP1547251A2 (enExample) |
| JP (1) | JP4313760B2 (enExample) |
| KR (1) | KR100998164B1 (enExample) |
| CN (1) | CN100481732C (enExample) |
| AU (1) | AU2003268371A1 (enExample) |
| TW (1) | TWI322578B (enExample) |
| WO (1) | WO2004030223A2 (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7130346B2 (en) * | 2004-05-14 | 2006-10-31 | Freescale Semiconductor, Inc. | Method and apparatus having a digital PWM signal generator with integral noise shaping |
| EP1944656B1 (en) | 2005-11-02 | 2016-05-04 | Ricoh Company, Ltd. | Toner for developing electrostatic images, toner kits, and image formation equipment |
| JP5152741B2 (ja) * | 2007-04-03 | 2013-02-27 | フリースケール セミコンダクター インコーポレイテッド | パルス幅変調波出力回路 |
| US20090261902A1 (en) * | 2008-04-17 | 2009-10-22 | Freescale Semiconductor, Inc. | Asynchronous Error Correction Circuit for Switching Amplifier |
| US9106214B1 (en) | 2013-07-05 | 2015-08-11 | Adx Research, Inc. | PCM to digital PWM using predistortion |
| US10020783B2 (en) | 2015-07-01 | 2018-07-10 | Bei Electronics Llc | Class D amplifier using Fs/4 modulation and envelope tracking power supplies |
| US9825645B1 (en) * | 2016-12-22 | 2017-11-21 | Infineon Technologies Ag | Self-oscillating dual-slope integrating quantizer for sigma delta modulators |
| CN110739970B (zh) * | 2019-11-01 | 2023-12-26 | 上海艾为电子技术股份有限公司 | 模数转换电路、便携式设备以及模数转换方法 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4633425A (en) * | 1981-10-13 | 1986-12-30 | Intel Corporation | Switched capacitor filter utilizing a differential input and output circuit |
| US5012244A (en) * | 1989-10-27 | 1991-04-30 | Crystal Semiconductor Corporation | Delta-sigma modulator with oscillation detect and reset circuit |
| US5559467A (en) * | 1995-01-27 | 1996-09-24 | The Regents Of The University Of California | Digital, pulse width modulation audio power amplifier with noise and ripple shaping |
| CN1123116C (zh) * | 1997-04-02 | 2003-10-01 | 邦及奥卢夫森发电站公司 | 用于脉冲调制信号的增强功率放大的以脉冲为基准的控制方法 |
| US6169765B1 (en) * | 1997-05-28 | 2001-01-02 | Integration Associates, Inc. | Apparatus and method for output signal pulse width error correction in a communications receiver |
| IT1296023B1 (it) * | 1997-07-16 | 1999-06-04 | Sgs Thomson Microelectronics | Sistema di pilotaggio misto pwm/lineare impiegante due distinti stadi di pilotaggio |
| EP1028524B1 (en) * | 1999-02-11 | 2004-08-18 | STMicroelectronics S.r.l. | PWM power amplifier with digital input |
| US6107876A (en) * | 1999-04-13 | 2000-08-22 | Ravisent Technologies, Inc. | Digital input switching audio power amplifier |
| EP1088397B1 (en) * | 1999-04-21 | 2004-11-17 | Koninklijke Philips Electronics N.V. | Sigma-delta analog-to-digital converter |
| US6414613B1 (en) | 2000-01-05 | 2002-07-02 | Motorola, Inc. | Apparatus for noise shaping a pulse width modulation (PWM) signal and method therefor |
| US6466087B2 (en) * | 2000-12-28 | 2002-10-15 | Nokia Mobile Phones, Ltd. | Method and apparatus providing digital error correction for a class D power stage |
| DE60211872T2 (de) * | 2001-03-26 | 2006-10-26 | Harman International Industries, Incorporated, Northridge | Pulsbreitemodulationsverstärker mit digitalem signalprozessor |
| CN1345121A (zh) * | 2001-09-06 | 2002-04-17 | 长征火箭技术股份有限公司 | 提高脉冲宽度调制量化精度的方法 |
| US6933871B2 (en) * | 2001-09-17 | 2005-08-23 | Cirrus Logic, Inc. | Feedback steering delta-sigma modulators and systems using the same |
| CN1714502A (zh) * | 2002-11-22 | 2005-12-28 | 皇家飞利浦电子股份有限公司 | 经脉冲宽度调制的噪声整形器 |
| US6741123B1 (en) * | 2002-12-26 | 2004-05-25 | Cirrus Logic, Inc. | Delta-sigma amplifiers with output stage supply voltage variation compensation and methods and digital amplifier systems using the same |
| US6922100B2 (en) * | 2003-07-29 | 2005-07-26 | Freescale Semiconductor, Inc. | Method and apparatus for switching amplification having variable sample point and variable order correction |
-
2002
- 2002-09-26 US US10/255,213 patent/US7142597B2/en not_active Expired - Fee Related
-
2003
- 2003-08-22 CN CNB038229714A patent/CN100481732C/zh not_active Expired - Fee Related
- 2003-08-22 KR KR1020057005161A patent/KR100998164B1/ko not_active Expired - Fee Related
- 2003-08-22 JP JP2004540042A patent/JP4313760B2/ja not_active Expired - Fee Related
- 2003-08-22 AU AU2003268371A patent/AU2003268371A1/en not_active Abandoned
- 2003-08-22 EP EP03749333A patent/EP1547251A2/en not_active Withdrawn
- 2003-08-22 WO PCT/US2003/027431 patent/WO2004030223A2/en not_active Ceased
- 2003-09-10 TW TW092125056A patent/TWI322578B/zh not_active IP Right Cessation
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