CN101325401A - Circuit for restraining start-up and closedown noise of whole difference audio power amplifier - Google Patents
Circuit for restraining start-up and closedown noise of whole difference audio power amplifier Download PDFInfo
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- CN101325401A CN101325401A CNA2007100419072A CN200710041907A CN101325401A CN 101325401 A CN101325401 A CN 101325401A CN A2007100419072 A CNA2007100419072 A CN A2007100419072A CN 200710041907 A CN200710041907 A CN 200710041907A CN 101325401 A CN101325401 A CN 101325401A
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CN2007100419072A CN101325401B (en) | 2007-06-12 | 2007-06-12 | Circuit for restraining start-up and closedown noise of whole difference audio power amplifier |
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CN2007100419072A CN101325401B (en) | 2007-06-12 | 2007-06-12 | Circuit for restraining start-up and closedown noise of whole difference audio power amplifier |
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CN101325401A true CN101325401A (en) | 2008-12-17 |
CN101325401B CN101325401B (en) | 2012-05-02 |
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CN2007100419072A Active CN101325401B (en) | 2007-06-12 | 2007-06-12 | Circuit for restraining start-up and closedown noise of whole difference audio power amplifier |
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Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101834565A (en) * | 2010-04-23 | 2010-09-15 | 美商威睿电通公司 | Signal amplifying circuit and signal amplifying method |
CN101888217A (en) * | 2009-05-15 | 2010-11-17 | 佳能株式会社 | Fully-differential amplifier circuit |
CN102547529A (en) * | 2012-02-24 | 2012-07-04 | 四川和芯微电子股份有限公司 | Pop noise suppression circuit and system |
CN102783017A (en) * | 2010-01-07 | 2012-11-14 | 德州仪器公司 | Amplifier with improved input resistance and controlled common mode |
CN103248985A (en) * | 2012-02-03 | 2013-08-14 | 安凯(广州)微电子技术有限公司 | Noise-suppression circuit provided with blocking capacitor of audio amplifier |
CN101534463B (en) * | 2009-04-07 | 2013-09-11 | 中兴通讯股份有限公司 | A noise elimination device |
CN103346745A (en) * | 2013-07-03 | 2013-10-09 | 中国科学院微电子研究所 | Input stage fully differential operational amplifier of class D audio power amplifier |
CN103391050A (en) * | 2013-06-05 | 2013-11-13 | 泉芯电子技术(深圳)有限公司 | CMOS (Complementary Metal Oxide Semiconductor) low noise amplifying device |
CN103532400A (en) * | 2013-10-22 | 2014-01-22 | 中国科学院上海微系统与信息技术研究所 | Switching power amplifier circuit based on commercial power |
CN106292818A (en) * | 2016-08-24 | 2017-01-04 | 西安电子科技大学 | Be suitable to fully differential generating circuit from reference voltage and the Wireless Telecom Equipment of pipeline ADC |
CN108389595A (en) * | 2018-02-28 | 2018-08-10 | 江苏华存电子科技有限公司 | USB3.0 Portable disks filtering method and filter circuit |
WO2019007310A1 (en) * | 2017-07-03 | 2019-01-10 | 无锡华润上华科技有限公司 | Common mode voltage generation device and successive approximation register type analogue-to-digital converter |
WO2019024478A1 (en) * | 2017-08-01 | 2019-02-07 | 深圳市中移联半导体科技有限公司 | Amplifier device having ultrahigh power supply rejection ratio |
CN109922394A (en) * | 2017-12-13 | 2019-06-21 | 华为终端有限公司 | Bias voltage output circuit and driving circuit |
CN110392324A (en) * | 2018-04-16 | 2019-10-29 | 瑞昱半导体股份有限公司 | It can avoid the audio coding decoding circuit that popcorn noise generates |
CN112187196A (en) * | 2020-09-28 | 2021-01-05 | 上海艾为电子技术股份有限公司 | Class D power amplifier and electronic equipment |
CN112491376A (en) * | 2020-12-08 | 2021-03-12 | 聚辰半导体股份有限公司 | Pop-noise-free high-voltage class-D audio power amplifier system and power-on starting sequence thereof |
CN112737904A (en) * | 2020-07-29 | 2021-04-30 | 晶焱科技股份有限公司 | Receiver circuit with input common mode voltage detection |
CN114337600A (en) * | 2022-03-11 | 2022-04-12 | 华南理工大学 | On-chip differential active RC filter calibration and tuning method |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5339285A (en) * | 1993-04-12 | 1994-08-16 | The United States Of America As Represented By The Secretary Of The Navy | Monolithic low noise preamplifier for piezoelectric sensors |
WO2004068031A1 (en) * | 2003-01-28 | 2004-08-12 | Koninklijke Philips Electronics N.V. | An hid lamp assembly and a method for fixing an hid lamp in a reflector |
JP4349136B2 (en) * | 2004-01-27 | 2009-10-21 | ミツミ電機株式会社 | Signal output circuit |
-
2007
- 2007-06-12 CN CN2007100419072A patent/CN101325401B/en active Active
Cited By (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101534463B (en) * | 2009-04-07 | 2013-09-11 | 中兴通讯股份有限公司 | A noise elimination device |
CN101888217B (en) * | 2009-05-15 | 2013-06-05 | 佳能株式会社 | Fully-differential amplifier circuit |
CN101888217A (en) * | 2009-05-15 | 2010-11-17 | 佳能株式会社 | Fully-differential amplifier circuit |
CN102783017A (en) * | 2010-01-07 | 2012-11-14 | 德州仪器公司 | Amplifier with improved input resistance and controlled common mode |
CN102783017B (en) * | 2010-01-07 | 2016-05-04 | 德州仪器公司 | There is the amplifier of improved input resistance and controlled common mode |
CN101834565A (en) * | 2010-04-23 | 2010-09-15 | 美商威睿电通公司 | Signal amplifying circuit and signal amplifying method |
CN103248985A (en) * | 2012-02-03 | 2013-08-14 | 安凯(广州)微电子技术有限公司 | Noise-suppression circuit provided with blocking capacitor of audio amplifier |
CN103248985B (en) * | 2012-02-03 | 2015-12-09 | 安凯(广州)微电子技术有限公司 | A kind of audio frequency power amplifier squelch-circuit with the straight electric capacity of isolation |
CN102547529A (en) * | 2012-02-24 | 2012-07-04 | 四川和芯微电子股份有限公司 | Pop noise suppression circuit and system |
CN102547529B (en) * | 2012-02-24 | 2014-07-30 | 四川和芯微电子股份有限公司 | Pop noise suppression circuit and system |
CN103391050A (en) * | 2013-06-05 | 2013-11-13 | 泉芯电子技术(深圳)有限公司 | CMOS (Complementary Metal Oxide Semiconductor) low noise amplifying device |
CN103391050B (en) * | 2013-06-05 | 2016-05-11 | 泉芯电子技术(深圳)有限公司 | A kind of CMOS low-noise amplifier |
CN103346745A (en) * | 2013-07-03 | 2013-10-09 | 中国科学院微电子研究所 | Input stage fully differential operational amplifier of class D audio power amplifier |
CN103532400A (en) * | 2013-10-22 | 2014-01-22 | 中国科学院上海微系统与信息技术研究所 | Switching power amplifier circuit based on commercial power |
CN103532400B (en) * | 2013-10-22 | 2016-03-16 | 中国科学院上海微系统与信息技术研究所 | Based on the close power amplifier circuit of civil power |
CN106292818B (en) * | 2016-08-24 | 2017-09-08 | 西安电子科技大学 | Fully differential generating circuit from reference voltage and Wireless Telecom Equipment suitable for pipeline ADC |
CN106292818A (en) * | 2016-08-24 | 2017-01-04 | 西安电子科技大学 | Be suitable to fully differential generating circuit from reference voltage and the Wireless Telecom Equipment of pipeline ADC |
CN109217873B (en) * | 2017-07-03 | 2020-02-11 | 无锡华润上华科技有限公司 | Common mode voltage generating device and successive approximation register analog-to-digital converter |
WO2019007310A1 (en) * | 2017-07-03 | 2019-01-10 | 无锡华润上华科技有限公司 | Common mode voltage generation device and successive approximation register type analogue-to-digital converter |
CN109217873A (en) * | 2017-07-03 | 2019-01-15 | 无锡华润上华科技有限公司 | Common-mode voltage generation device and successive approximation register type analog-to-digital converter |
WO2019024478A1 (en) * | 2017-08-01 | 2019-02-07 | 深圳市中移联半导体科技有限公司 | Amplifier device having ultrahigh power supply rejection ratio |
CN109922394B (en) * | 2017-12-13 | 2020-09-29 | 华为终端有限公司 | Bias voltage output circuit and drive circuit |
CN109922394A (en) * | 2017-12-13 | 2019-06-21 | 华为终端有限公司 | Bias voltage output circuit and driving circuit |
CN108389595A (en) * | 2018-02-28 | 2018-08-10 | 江苏华存电子科技有限公司 | USB3.0 Portable disks filtering method and filter circuit |
CN110392324A (en) * | 2018-04-16 | 2019-10-29 | 瑞昱半导体股份有限公司 | It can avoid the audio coding decoding circuit that popcorn noise generates |
CN110392324B (en) * | 2018-04-16 | 2021-06-18 | 瑞昱半导体股份有限公司 | Audio coding and decoding circuit capable of avoiding explosive noise |
CN112737904A (en) * | 2020-07-29 | 2021-04-30 | 晶焱科技股份有限公司 | Receiver circuit with input common mode voltage detection |
CN112737904B (en) * | 2020-07-29 | 2022-06-03 | 晶焱科技股份有限公司 | Receiver circuit with input common mode voltage detection |
CN112187196A (en) * | 2020-09-28 | 2021-01-05 | 上海艾为电子技术股份有限公司 | Class D power amplifier and electronic equipment |
CN112187196B (en) * | 2020-09-28 | 2023-04-14 | 上海艾为电子技术股份有限公司 | Class D power amplifier and electronic equipment |
CN112491376A (en) * | 2020-12-08 | 2021-03-12 | 聚辰半导体股份有限公司 | Pop-noise-free high-voltage class-D audio power amplifier system and power-on starting sequence thereof |
CN114337600A (en) * | 2022-03-11 | 2022-04-12 | 华南理工大学 | On-chip differential active RC filter calibration and tuning method |
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Publication number | Publication date |
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CN101325401B (en) | 2012-05-02 |
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Owner name: SHANGHAI XINDI INFORMATION TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SHANGHAI SANDHILL MICROELECTRONICS CO., LTD. Effective date: 20130705 |
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Effective date of registration: 20130705 Address after: 201108, No. 4299 Jin Du Road, Shanghai, Minhang District Patentee after: Shanghai Xindi Information Technology Co., Ltd. Address before: 203 room 1508, Guanghua Road, Shanghai, Minhang District 201100 Patentee before: Shanghai SandHill Microelectronics Co., Ltd. |
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Owner name: XIAO GUOQING Free format text: FORMER OWNER: SHANGHAI XINDI INFORMATION TECHNOLOGY CO., LTD. Effective date: 20150217 |
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Effective date of registration: 20150217 Address after: 201199 Shanghai city Minhang District No. 6269 humin road Yinxiao building B building room 1704 Patentee after: Xiao Guoqing Address before: 201108, No. 4299 Jin Du Road, Shanghai, Minhang District Patentee before: Shanghai Xindi Information Technology Co., Ltd. |
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Effective date of registration: 20151203 Address after: 330114, 399, Lake Avenue, Airport Economic Zone, Nanchang, Jiangxi Patentee after: Jiangxi Star core Microelectronics Co. Ltd. Address before: 201199 Shanghai city Minhang District No. 6269 humin road Yinxiao building B building room 1704 Patentee before: Xiao Guoqing |