CN101632222B - 一种自动增益控制电路及其系统以及自动增益控制方法 - Google Patents
一种自动增益控制电路及其系统以及自动增益控制方法 Download PDFInfo
- Publication number
- CN101632222B CN101632222B CN200680056657.3A CN200680056657A CN101632222B CN 101632222 B CN101632222 B CN 101632222B CN 200680056657 A CN200680056657 A CN 200680056657A CN 101632222 B CN101632222 B CN 101632222B
- Authority
- CN
- China
- Prior art keywords
- gain
- variable gain
- gain amplifier
- amplifier
- control circuit
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
- H03G7/06—Volume compression or expansion in amplifiers having semiconductor devices
- H03G7/08—Volume compression or expansion in amplifiers having semiconductor devices incorporating negative feedback
-
- 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
- H03M1/18—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging
-
- 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
- H03M1/18—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging
- H03M1/181—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values
- H03M1/183—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values the feedback signal controlling the gain of an amplifier or attenuator preceding the analogue/digital converter
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Control Of Amplification And Gain Control (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
Description
Claims (13)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IB2006/002988 WO2008050171A1 (en) | 2006-10-25 | 2006-10-25 | Automatic gain control circuit, system including such circuit and method for atuomatic gain control |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101632222A CN101632222A (zh) | 2010-01-20 |
CN101632222B true CN101632222B (zh) | 2016-04-13 |
Family
ID=38153207
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200680056657.3A Active CN101632222B (zh) | 2006-10-25 | 2006-10-25 | 一种自动增益控制电路及其系统以及自动增益控制方法 |
Country Status (9)
Country | Link |
---|---|
US (1) | US8228121B2 (zh) |
EP (1) | EP2076961B1 (zh) |
JP (1) | JP5050210B2 (zh) |
KR (1) | KR20090088882A (zh) |
CN (1) | CN101632222B (zh) |
AT (1) | ATE539486T1 (zh) |
CA (1) | CA2667164A1 (zh) |
EA (1) | EA014210B1 (zh) |
WO (1) | WO2008050171A1 (zh) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8692809B2 (en) * | 2006-07-06 | 2014-04-08 | Elo Touch Solutions, Inc. | Auto-gain switching module for acoustic touch systems |
US20110051954A1 (en) * | 2008-01-29 | 2011-03-03 | Audioasics A/S | Signal conditioner with suppression of interfering signals |
US9189109B2 (en) | 2012-07-18 | 2015-11-17 | Sentons Inc. | Detection of type of object used to provide a touch contact input |
US10198097B2 (en) | 2011-04-26 | 2019-02-05 | Sentons Inc. | Detecting touch input force |
US9639213B2 (en) | 2011-04-26 | 2017-05-02 | Sentons Inc. | Using multiple signals to detect touch input |
US11327599B2 (en) | 2011-04-26 | 2022-05-10 | Sentons Inc. | Identifying a contact type |
US9477350B2 (en) | 2011-04-26 | 2016-10-25 | Sentons Inc. | Method and apparatus for active ultrasonic touch devices |
JP5336554B2 (ja) * | 2011-06-21 | 2013-11-06 | 日本電信電話株式会社 | 自動利得調整回路 |
CN102355214B (zh) * | 2011-10-31 | 2014-01-15 | 四川和芯微电子股份有限公司 | 可调增益音频功率放大电路 |
CN104169848B (zh) | 2011-11-18 | 2017-10-20 | 森顿斯公司 | 检测触摸输入力 |
US10235004B1 (en) | 2011-11-18 | 2019-03-19 | Sentons Inc. | Touch input detector with an integrated antenna |
EP3627296B1 (en) | 2011-11-18 | 2021-06-23 | Sentons Inc. | Localized haptic feedback |
US8638249B2 (en) * | 2012-04-16 | 2014-01-28 | Infineon Technologies Ag | System and method for high input capacitive signal amplifier |
US9513727B2 (en) | 2012-07-18 | 2016-12-06 | Sentons Inc. | Touch input surface microphone |
US9524063B2 (en) | 2012-07-18 | 2016-12-20 | Sentons Inc. | Detection of a number of touch contacts of a multi-touch input |
US9348468B2 (en) | 2013-06-07 | 2016-05-24 | Sentons Inc. | Detecting multi-touch inputs |
US9588552B2 (en) | 2013-09-11 | 2017-03-07 | Sentons Inc. | Attaching electrical components using non-conductive adhesive |
US9459715B1 (en) | 2013-09-20 | 2016-10-04 | Sentons Inc. | Using spectral control in detecting touch input |
US9880671B2 (en) | 2013-10-08 | 2018-01-30 | Sentons Inc. | Damping vibrational wave reflections |
TWI525496B (zh) * | 2013-11-15 | 2016-03-11 | 瑞鼎科技股份有限公司 | 觸控訊號增益控制裝置及方法 |
US9077363B2 (en) | 2013-12-03 | 2015-07-07 | Analog Devices, Inc. | Stochastic encoding in analog to digital conversion |
US9413319B2 (en) * | 2014-03-24 | 2016-08-09 | Analog Devices, Inc. | Gain calibration |
US10048811B2 (en) | 2015-09-18 | 2018-08-14 | Sentons Inc. | Detecting touch input provided by signal transmitting stylus |
CN105534542B (zh) * | 2015-12-08 | 2018-04-27 | 沈阳东软医疗系统有限公司 | 一种pet系统的实现方法和装置 |
US10908741B2 (en) | 2016-11-10 | 2021-02-02 | Sentons Inc. | Touch input detection along device sidewall |
US10296144B2 (en) | 2016-12-12 | 2019-05-21 | Sentons Inc. | Touch input detection with shared receivers |
US10126877B1 (en) | 2017-02-01 | 2018-11-13 | Sentons Inc. | Update of reference data for touch input detection |
US10585522B2 (en) | 2017-02-27 | 2020-03-10 | Sentons Inc. | Detection of non-touch inputs using a signature |
US11009411B2 (en) | 2017-08-14 | 2021-05-18 | Sentons Inc. | Increasing sensitivity of a sensor using an encoded signal |
US11580829B2 (en) | 2017-08-14 | 2023-02-14 | Sentons Inc. | Dynamic feedback for haptics |
CN107911093A (zh) * | 2017-12-08 | 2018-04-13 | 锐捷网络股份有限公司 | 自动增益控制agc电路、方法和装置 |
KR102593635B1 (ko) | 2018-04-11 | 2023-10-26 | 한국전자통신연구원 | 공진기 기반 센서 및 그의 감지 방법 |
EP4216432A4 (en) * | 2020-09-16 | 2024-03-27 | Sony Semiconductor Solutions Corporation | SIGNAL PROCESSING DEVICE, SIGNAL PROCESSING METHOD AND RECEIVER |
CN117176097B (zh) * | 2023-08-31 | 2024-06-07 | 苏州赫米兹健康科技有限公司 | 心音数字采样系统自动增益控制方法及心音数字采样系统 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0604295A1 (fr) * | 1992-12-23 | 1994-06-29 | Alcatel Mobile Communication France | Procédé de contrôle automatique de gain pour un récepteur numérique, notamment un récepteur à accès multiple à répartition dans le temps et dispositif pour sa mise en oeuvre |
EP0803977A2 (en) * | 1996-04-24 | 1997-10-29 | Sony Corporation | Automatic gain control |
EP0929150A1 (en) * | 1997-12-31 | 1999-07-14 | TELEFONAKTIEBOLAGET L M ERICSSON (publ) | A method of and a circuit for automatic gain control (AGC) |
CN1364361A (zh) * | 2000-03-24 | 2002-08-14 | 松下电器产业株式会社 | 接收装置和增益控制方法 |
Family Cites Families (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3997914A (en) * | 1976-02-02 | 1976-12-14 | The United States Of America As Represented By The Secretary Of The Navy | Analog encoder decoder circuit |
JPS57159107A (en) * | 1981-03-25 | 1982-10-01 | Yokogawa Hokushin Electric Corp | Range changeover amplifier |
JPS61244111A (ja) * | 1985-04-22 | 1986-10-30 | Nec Corp | 増幅回路装置 |
JPH0669128B2 (ja) | 1985-05-17 | 1994-08-31 | 沖電気工業株式会社 | 自動利得制御増幅器 |
JPH069357B2 (ja) | 1985-05-17 | 1994-02-02 | 沖電気工業株式会社 | 自動利得制御増幅器 |
DE69414741T2 (de) * | 1993-03-19 | 1999-06-10 | Koninkl Philips Electronics Nv | Tonfrequenzverstärkeranordnung |
JPH0779124A (ja) * | 1993-06-30 | 1995-03-20 | Mitsubishi Electric Corp | ゲインコントロールアンプ回路 |
JPH07263986A (ja) | 1994-03-22 | 1995-10-13 | Fujitsu Ten Ltd | 自動利得制御装置 |
US5606284A (en) | 1994-08-26 | 1997-02-25 | Matsushita Electric Industrial Co., Ltd. | Automatic gain control device for producing constant amplitude output signal |
JPH10322152A (ja) * | 1997-05-19 | 1998-12-04 | Fujitsu Ltd | デジタルagc回路 |
CN1103135C (zh) * | 1997-09-30 | 2003-03-12 | 夸尔柯姆股份有限公司 | 用于增加接收机抗干扰性的方法和装置 |
JP3944662B2 (ja) * | 1998-03-04 | 2007-07-11 | ソニー株式会社 | 利得制御アンプ |
WO2000030025A1 (en) | 1998-11-16 | 2000-05-25 | The Whitaker Corporation | Segmented gain controller |
US6757018B1 (en) | 1998-12-18 | 2004-06-29 | Agilent Technologies, Inc. | CMOS image sensor with pixel level gain control |
JP3534233B2 (ja) * | 1999-01-08 | 2004-06-07 | 松下電器産業株式会社 | 自動利得制御方法及びその装置、自動利得制御機能を持った無線通信装置 |
US6744826B2 (en) * | 1999-03-03 | 2004-06-01 | Intel Corporation | AGC window detector |
JP2001274645A (ja) * | 2000-03-24 | 2001-10-05 | Sanyo Electric Co Ltd | 演算増幅回路および集積回路 |
JP2002064349A (ja) * | 2000-08-22 | 2002-02-28 | Nissin Electric Co Ltd | アナログ信号入力装置 |
US6420934B1 (en) * | 2000-08-24 | 2002-07-16 | Telencomm, Inc. | Automatic gain control circuit for signal with diverse power level range |
US7606378B2 (en) * | 2001-04-11 | 2009-10-20 | Chrysler Group Llc | Radio distortion processing |
GB0116310D0 (en) | 2001-07-04 | 2001-08-29 | New Transducers Ltd | Contact sensitive device |
US6510188B1 (en) * | 2001-07-26 | 2003-01-21 | Wideband Computers, Inc. | All digital automatic gain control circuit |
ATE557337T1 (de) | 2002-02-06 | 2012-05-15 | Soundtouch Ltd | Touch pad |
TW518819B (en) * | 2002-03-22 | 2003-01-21 | Via Tech Inc | Automatic gain control circuit and method |
KR100689400B1 (ko) | 2002-10-24 | 2007-03-08 | 삼성전자주식회사 | 자동 이득의 이득 보상 제어 장치 및 방법 |
JP2004153718A (ja) | 2002-10-31 | 2004-05-27 | Samsung Yokohama Research Institute Co Ltd | Agc制御回路及びagc増幅器制御方法 |
JP2005051380A (ja) * | 2003-07-31 | 2005-02-24 | Sanyo Electric Co Ltd | 移動体用受信装置の自動利得制御回路、自動利得制御回路付き増幅回路、集積回路、及び移動体用受信装置の自動利得制御方法 |
JP4139800B2 (ja) * | 2004-08-24 | 2008-08-27 | 松下電器産業株式会社 | Agc回路 |
US8692809B2 (en) * | 2006-07-06 | 2014-04-08 | Elo Touch Solutions, Inc. | Auto-gain switching module for acoustic touch systems |
JP2009153007A (ja) * | 2007-12-21 | 2009-07-09 | Fujitsu Microelectronics Ltd | 自動利得制御増幅器及びそれを有する音声記録装置 |
-
2006
- 2006-10-25 CA CA002667164A patent/CA2667164A1/en not_active Abandoned
- 2006-10-25 EA EA200900589A patent/EA014210B1/ru not_active IP Right Cessation
- 2006-10-25 CN CN200680056657.3A patent/CN101632222B/zh active Active
- 2006-10-25 AT AT06820800T patent/ATE539486T1/de active
- 2006-10-25 EP EP06820800A patent/EP2076961B1/en not_active Not-in-force
- 2006-10-25 WO PCT/IB2006/002988 patent/WO2008050171A1/en active Application Filing
- 2006-10-25 KR KR1020097010378A patent/KR20090088882A/ko active IP Right Grant
- 2006-10-25 US US12/446,943 patent/US8228121B2/en active Active
- 2006-10-25 JP JP2009533967A patent/JP5050210B2/ja not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0604295A1 (fr) * | 1992-12-23 | 1994-06-29 | Alcatel Mobile Communication France | Procédé de contrôle automatique de gain pour un récepteur numérique, notamment un récepteur à accès multiple à répartition dans le temps et dispositif pour sa mise en oeuvre |
AU5262793A (en) * | 1992-12-23 | 1994-07-07 | Societe Anonyme Dite Alcatel Radiotelephone | Automatic gain control method and device for a digital receiver, especially a time division multiple access receiver |
EP0803977A2 (en) * | 1996-04-24 | 1997-10-29 | Sony Corporation | Automatic gain control |
EP0929150A1 (en) * | 1997-12-31 | 1999-07-14 | TELEFONAKTIEBOLAGET L M ERICSSON (publ) | A method of and a circuit for automatic gain control (AGC) |
CN1364361A (zh) * | 2000-03-24 | 2002-08-14 | 松下电器产业株式会社 | 接收装置和增益控制方法 |
Also Published As
Publication number | Publication date |
---|---|
EP2076961B1 (en) | 2011-12-28 |
EA014210B1 (ru) | 2010-10-29 |
CA2667164A1 (en) | 2008-05-02 |
WO2008050171A1 (en) | 2008-05-02 |
US20100090763A1 (en) | 2010-04-15 |
ATE539486T1 (de) | 2012-01-15 |
EP2076961A1 (en) | 2009-07-08 |
KR20090088882A (ko) | 2009-08-20 |
JP2010507957A (ja) | 2010-03-11 |
US8228121B2 (en) | 2012-07-24 |
JP5050210B2 (ja) | 2012-10-17 |
EA200900589A1 (ru) | 2009-10-30 |
CN101632222A (zh) | 2010-01-20 |
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ASS | Succession or assignment of patent right |
Owner name: TYCO ELECTRONICS SERVICE CO., LTD. Free format text: FORMER OWNER: SENSITIVE OBJECT Effective date: 20120224 |
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Effective date of registration: 20120224 Address after: Schaffhausen Applicant after: Sensitive Object Address before: French Boulogne Billancourt Applicant before: Sensitive Object |
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ASS | Succession or assignment of patent right |
Owner name: ELO TOUCH SOLUTIONS, INC. Free format text: FORMER OWNER: TYCO ELECTRONICS SERVICE CO., LTD. Effective date: 20120827 |
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