CN101632222A - 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
- CN101632222A CN101632222A CN200680056657A CN200680056657A CN101632222A CN 101632222 A CN101632222 A CN 101632222A CN 200680056657 A CN200680056657 A CN 200680056657A CN 200680056657 A CN200680056657 A CN 200680056657A CN 101632222 A CN101632222 A CN 101632222A
- Authority
- CN
- China
- Prior art keywords
- gain
- variable gain
- amplifier
- gain 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.)
- Granted
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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
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- 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 true CN101632222A (zh) | 2010-01-20 |
CN101632222B 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) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104660196A (zh) * | 2013-11-15 | 2015-05-27 | 瑞鼎科技股份有限公司 | 触控信号增益控制装置及方法 |
CN104953971A (zh) * | 2014-03-24 | 2015-09-30 | 美国亚德诺半导体公司 | 增益校准 |
CN106059509A (zh) * | 2012-04-16 | 2016-10-26 | 英飞凌科技股份有限公司 | 用于放大电容信号源提供的信号的系统和集成电路 |
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 |
CN117176097A (zh) * | 2023-08-31 | 2023-12-05 | 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 |
Families Citing this family (29)
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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 |
US9477350B2 (en) | 2011-04-26 | 2016-10-25 | Sentons Inc. | Method and apparatus for active ultrasonic touch devices |
US9639213B2 (en) | 2011-04-26 | 2017-05-02 | Sentons Inc. | Using multiple signals to detect touch input |
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 |
US11327599B2 (en) | 2011-04-26 | 2022-05-10 | Sentons Inc. | Identifying a contact type |
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 |
KR102070612B1 (ko) | 2011-11-18 | 2020-01-30 | 센톤스 아이엔씨. | 국소형 햅틱 피드백 |
US10248262B2 (en) | 2011-11-18 | 2019-04-02 | Sentons Inc. | User interface interaction using touch input force |
US11262253B2 (en) | 2017-08-14 | 2022-03-01 | Sentons Inc. | Touch input detection using a piezoresistive sensor |
US10235004B1 (en) | 2011-11-18 | 2019-03-19 | Sentons Inc. | Touch input detector with an integrated antenna |
US9513727B2 (en) | 2012-07-18 | 2016-12-06 | Sentons Inc. | Touch input surface microphone |
US9348468B2 (en) | 2013-06-07 | 2016-05-24 | Sentons Inc. | Detecting multi-touch inputs |
US9524063B2 (en) | 2012-07-18 | 2016-12-20 | Sentons Inc. | Detection of a number of touch contacts of a multi-touch input |
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 |
US9077363B2 (en) | 2013-12-03 | 2015-07-07 | Analog Devices, Inc. | Stochastic encoding in analog to digital conversion |
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 |
US11580829B2 (en) | 2017-08-14 | 2023-02-14 | Sentons Inc. | Dynamic feedback for haptics |
KR102593635B1 (ko) | 2018-04-11 | 2023-10-26 | 한국전자통신연구원 | 공진기 기반 센서 및 그의 감지 방법 |
JPWO2022059496A1 (zh) * | 2020-09-16 | 2022-03-24 |
Citations (6)
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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 |
US5633940A (en) * | 1993-03-19 | 1997-05-27 | U.S. Philips Corporation | Audio amplifier arrangement |
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) |
CN1239610A (zh) * | 1997-09-30 | 1999-12-22 | 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 |
US20020150266A1 (en) * | 2001-04-11 | 2002-10-17 | Hinkle Joseph A. | Radio distortion processing |
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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 |
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 |
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 |
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 |
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 |
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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 |
JP3519338B2 (ja) * | 2000-03-24 | 2004-04-12 | 松下電器産業株式会社 | 受信装置及び利得制御方法 |
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 |
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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 EA EA200900589A patent/EA014210B1/ru not_active IP Right Cessation
- 2006-10-25 EP EP06820800A patent/EP2076961B1/en not_active Not-in-force
- 2006-10-25 CA CA002667164A patent/CA2667164A1/en not_active Abandoned
- 2006-10-25 JP JP2009533967A patent/JP5050210B2/ja not_active Expired - Fee Related
- 2006-10-25 WO PCT/IB2006/002988 patent/WO2008050171A1/en active Application Filing
- 2006-10-25 AT AT06820800T patent/ATE539486T1/de active
- 2006-10-25 KR KR1020097010378A patent/KR20090088882A/ko active IP Right Grant
- 2006-10-25 CN CN200680056657.3A patent/CN101632222B/zh active Active
- 2006-10-25 US US12/446,943 patent/US8228121B2/en active Active
Patent Citations (6)
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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 |
US5633940A (en) * | 1993-03-19 | 1997-05-27 | U.S. Philips Corporation | Audio amplifier arrangement |
EP0803977A2 (en) * | 1996-04-24 | 1997-10-29 | Sony Corporation | Automatic gain control |
CN1239610A (zh) * | 1997-09-30 | 1999-12-22 | 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 |
EP0929150A1 (en) * | 1997-12-31 | 1999-07-14 | TELEFONAKTIEBOLAGET L M ERICSSON (publ) | A method of and a circuit for automatic gain control (AGC) |
US20020150266A1 (en) * | 2001-04-11 | 2002-10-17 | Hinkle Joseph A. | Radio distortion processing |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106059509A (zh) * | 2012-04-16 | 2016-10-26 | 英飞凌科技股份有限公司 | 用于放大电容信号源提供的信号的系统和集成电路 |
CN104660196A (zh) * | 2013-11-15 | 2015-05-27 | 瑞鼎科技股份有限公司 | 触控信号增益控制装置及方法 |
CN104953971A (zh) * | 2014-03-24 | 2015-09-30 | 美国亚德诺半导体公司 | 增益校准 |
CN104953971B (zh) * | 2014-03-24 | 2019-05-28 | 美国亚德诺半导体公司 | 数据采集系统中的增益校准 |
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 |
CN117176097A (zh) * | 2023-08-31 | 2023-12-05 | 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 |
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 |
Also Published As
Publication number | Publication date |
---|---|
KR20090088882A (ko) | 2009-08-20 |
EA200900589A1 (ru) | 2009-10-30 |
US8228121B2 (en) | 2012-07-24 |
ATE539486T1 (de) | 2012-01-15 |
EP2076961B1 (en) | 2011-12-28 |
CN101632222B (zh) | 2016-04-13 |
JP2010507957A (ja) | 2010-03-11 |
US20100090763A1 (en) | 2010-04-15 |
EA014210B1 (ru) | 2010-10-29 |
JP5050210B2 (ja) | 2012-10-17 |
EP2076961A1 (en) | 2009-07-08 |
CA2667164A1 (en) | 2008-05-02 |
WO2008050171A1 (en) | 2008-05-02 |
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