JP4754941B2 - 線形補正器 - Google Patents
線形補正器 Download PDFInfo
- Publication number
- JP4754941B2 JP4754941B2 JP2005321544A JP2005321544A JP4754941B2 JP 4754941 B2 JP4754941 B2 JP 4754941B2 JP 2005321544 A JP2005321544 A JP 2005321544A JP 2005321544 A JP2005321544 A JP 2005321544A JP 4754941 B2 JP4754941 B2 JP 4754941B2
- Authority
- JP
- Japan
- Prior art keywords
- filter
- order
- multiplier
- adc
- signal
- 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
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Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
- H03M1/0617—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence
- H03M1/0626—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence by filtering
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Amplifiers (AREA)
- Analogue/Digital Conversion (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Noise Elimination (AREA)
Description
18、24 乗算器
28 加算器
29 減算器
100 線形補正器
102、104、106、108、110、112、140、142、144、146、160、162、164 フィルタ
120、122、148、166 乗算器
124 加算器
190 補償済みADC
192 ADCモジュール
Claims (1)
- 入力信号を受けて1次信号を供給する1次信号経路と、
上記入力信号を受け並列接続された2個のフィルタ、及び該2個のフィルタの出力信号を乗算して2次フィルタ積を発生する乗算器を有する2次フィルタ乗算回路と、
上記入力信号を受け並列接続された3個のフィルタ、及び該3個のフィルタの出力信号を乗算して3次フィルタ積を発生する乗算器を有する3次フィルタ乗算回路と、
上記1次信号経路に接続されると共に、上記2次フィルタ乗算回路及び上記3次フィルタ乗算回に直接接続されて、上記1次信号、上記2次フィルタ積及び上記3次フィルタ積を加算して、補償済信号を発生する加算器とを具え、
上記補償済信号では、上記補償信号により上記1次信号内の歪が低減されていることを特徴とする線形補正器。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US62537204P | 2004-11-04 | 2004-11-04 | |
US60/625,372 | 2004-11-04 | ||
US11/258,030 | 2005-10-26 | ||
US11/258,030 US7348908B2 (en) | 2004-11-04 | 2005-10-26 | Linearity corrector using filter products |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006135993A JP2006135993A (ja) | 2006-05-25 |
JP4754941B2 true JP4754941B2 (ja) | 2011-08-24 |
Family
ID=36168910
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005321544A Expired - Fee Related JP4754941B2 (ja) | 2004-11-04 | 2005-11-04 | 線形補正器 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7348908B2 (ja) |
EP (1) | EP1655838B1 (ja) |
JP (1) | JP4754941B2 (ja) |
DE (1) | DE602005014922D1 (ja) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20100126484A (ko) * | 2008-03-10 | 2010-12-01 | 뉴랜스, 인코포레이티드. | 광대역 신호처리 방법, 시스템 및 장치 |
EP2301152A1 (en) * | 2008-06-23 | 2011-03-30 | Kapik Inc. | System and method for processing a signal with a filter employing fir and iir elements |
WO2011152896A1 (en) | 2010-02-12 | 2011-12-08 | Newlans, Inc. | Broadband analog radio-frequency components |
WO2012061385A1 (en) | 2010-11-01 | 2012-05-10 | Newlans, Inc. | Method and apparatus for power amplifier linearization |
WO2012064551A2 (en) | 2010-11-08 | 2012-05-18 | Newlans, Inc. | Field programmable analog array |
JP5653319B2 (ja) | 2011-08-15 | 2015-01-14 | 株式会社東芝 | 歪み補正装置 |
CN103959726A (zh) | 2011-11-01 | 2014-07-30 | 纽兰斯公司 | 宽带信号处理 |
KR20150053784A (ko) | 2012-09-05 | 2015-05-18 | 뉴랜스, 인코포레이티드. | 바이쿼드 캘리브레이션 |
US9031177B2 (en) * | 2012-12-20 | 2015-05-12 | Broadcom Corporation | Digital calibration of analog distortion using split analog front-end |
JP6182869B2 (ja) * | 2013-01-16 | 2017-08-23 | オンキヨー株式会社 | 音声再生装置 |
GB2541379A (en) * | 2015-08-14 | 2017-02-22 | Csir | Method and system for improving spurious free dynamic range of signal processing systems |
CN105553904B (zh) * | 2015-12-09 | 2019-01-15 | 西安星通通信科技有限公司 | 一种数字信号幅度和相位校准方法及系统 |
US10547942B2 (en) | 2015-12-28 | 2020-01-28 | Samsung Electronics Co., Ltd. | Control of electrodynamic speaker driver using a low-order non-linear model |
US10462565B2 (en) | 2017-01-04 | 2019-10-29 | Samsung Electronics Co., Ltd. | Displacement limiter for loudspeaker mechanical protection |
US10506347B2 (en) | 2018-01-17 | 2019-12-10 | Samsung Electronics Co., Ltd. | Nonlinear control of vented box or passive radiator loudspeaker systems |
US10701485B2 (en) | 2018-03-08 | 2020-06-30 | Samsung Electronics Co., Ltd. | Energy limiter for loudspeaker protection |
US11777434B2 (en) | 2018-07-30 | 2023-10-03 | Sew-Eurodrive Gmbh & Co. Kg | Method for operating a drive system, and drive system |
US10542361B1 (en) | 2018-08-07 | 2020-01-21 | Samsung Electronics Co., Ltd. | Nonlinear control of loudspeaker systems with current source amplifier |
US11012773B2 (en) | 2018-09-04 | 2021-05-18 | Samsung Electronics Co., Ltd. | Waveguide for smooth off-axis frequency response |
US10797666B2 (en) | 2018-09-06 | 2020-10-06 | Samsung Electronics Co., Ltd. | Port velocity limiter for vented box loudspeakers |
US11356773B2 (en) | 2020-10-30 | 2022-06-07 | Samsung Electronics, Co., Ltd. | Nonlinear control of a loudspeaker with a neural network |
JP2023543270A (ja) * | 2020-11-25 | 2023-10-13 | 日本電信電話株式会社 | 波形等化器、波形等化方法および波形等化プログラム |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4019997A (en) * | 1974-02-04 | 1977-04-26 | General Electric Company | Silicone fluid useful as a brae fluid |
US4606538A (en) * | 1985-04-04 | 1986-08-19 | Wang Kuo L | Physical exercise device |
US5308296A (en) * | 1992-07-16 | 1994-05-03 | Donald Eckstein | Interactive video and exercise apparatus |
JPH0662284A (ja) * | 1992-08-04 | 1994-03-04 | Sharp Corp | 雑音除去装置 |
US5594612A (en) * | 1994-08-24 | 1997-01-14 | Crystal Semiconductor Corporation | Analog-to-digital converter with digital linearity correction |
JP2000253486A (ja) * | 1999-02-26 | 2000-09-14 | Victor Co Of Japan Ltd | 二次歪み付加装置 |
US6639537B1 (en) * | 2000-03-31 | 2003-10-28 | Massachusetts Institute Of Technology | Highly linear analog-to-digital conversion system and method thereof |
US6570514B1 (en) * | 2001-12-21 | 2003-05-27 | Scott R. Velazquez | Linearity error compensator |
JP4033794B2 (ja) * | 2003-03-24 | 2008-01-16 | 株式会社エヌ・ティ・ティ・ドコモ | 高効率線形電力増幅器 |
US6911925B1 (en) * | 2004-04-02 | 2005-06-28 | Tektronix, Inc. | Linearity compensation by harmonic cancellation |
US20070123390A1 (en) * | 2005-11-29 | 2007-05-31 | Mathis Christopher E | Exercise equipment with interactive gaming component |
-
2005
- 2005-10-26 US US11/258,030 patent/US7348908B2/en not_active Expired - Fee Related
- 2005-10-31 EP EP05256742A patent/EP1655838B1/en not_active Expired - Fee Related
- 2005-10-31 DE DE602005014922T patent/DE602005014922D1/de active Active
- 2005-11-04 JP JP2005321544A patent/JP4754941B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1655838A3 (en) | 2006-06-14 |
EP1655838B1 (en) | 2009-06-17 |
US7348908B2 (en) | 2008-03-25 |
JP2006135993A (ja) | 2006-05-25 |
DE602005014922D1 (de) | 2009-07-30 |
US20060092057A1 (en) | 2006-05-04 |
EP1655838A2 (en) | 2006-05-10 |
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