CN101414807B - 信号放大电路 - Google Patents
信号放大电路 Download PDFInfo
- Publication number
- CN101414807B CN101414807B CN2008101591677A CN200810159167A CN101414807B CN 101414807 B CN101414807 B CN 101414807B CN 2008101591677 A CN2008101591677 A CN 2008101591677A CN 200810159167 A CN200810159167 A CN 200810159167A CN 101414807 B CN101414807 B CN 101414807B
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- CN
- China
- Prior art keywords
- capacitor
- resistance
- pin
- operational amplifier
- amplifying 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.)
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Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2008101591677A CN101414807B (zh) | 2008-11-24 | 2008-11-24 | 信号放大电路 |
Applications Claiming Priority (1)
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CN2008101591677A CN101414807B (zh) | 2008-11-24 | 2008-11-24 | 信号放大电路 |
Publications (2)
Publication Number | Publication Date |
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CN101414807A CN101414807A (zh) | 2009-04-22 |
CN101414807B true CN101414807B (zh) | 2011-02-09 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2008101591677A Expired - Fee Related CN101414807B (zh) | 2008-11-24 | 2008-11-24 | 信号放大电路 |
Country Status (1)
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CN (1) | CN101414807B (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103293566B (zh) * | 2013-06-08 | 2015-02-25 | 中国科学院大气物理研究所 | 大气臭氧探空仪信号检测电路 |
CN103888092B (zh) * | 2014-03-13 | 2016-11-16 | 南通大学 | 一种差动传感器信号放大调理电路 |
CN104038161B (zh) * | 2014-06-19 | 2016-11-09 | 国网四川省电力公司成都市新都供电分公司 | 放大变电站气体浓度检测系统中信号的模块 |
CN105763163B (zh) * | 2016-02-02 | 2018-07-03 | 合肥工业大学智能制造技术研究院 | 一种超高频微弱信号组合放大电路 |
CN112880710B (zh) * | 2021-01-14 | 2022-04-22 | 安徽科达自动化集团股份有限公司 | 光电检测电路及具有其的区间式光电检测器 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003036791A1 (en) * | 2001-10-25 | 2003-05-01 | Koninklijke Philips Electronics N.V. | Operational amplifier with chopped input transistor pair |
CN200966032Y (zh) * | 2006-10-08 | 2007-10-24 | 薛文伟 | 微弱交流信号前置放大电路 |
CN201332386Y (zh) * | 2008-11-24 | 2009-10-21 | 薛文伟 | 信号放大电路 |
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2008
- 2008-11-24 CN CN2008101591677A patent/CN101414807B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003036791A1 (en) * | 2001-10-25 | 2003-05-01 | Koninklijke Philips Electronics N.V. | Operational amplifier with chopped input transistor pair |
CN200966032Y (zh) * | 2006-10-08 | 2007-10-24 | 薛文伟 | 微弱交流信号前置放大电路 |
CN201332386Y (zh) * | 2008-11-24 | 2009-10-21 | 薛文伟 | 信号放大电路 |
Also Published As
Publication number | Publication date |
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CN101414807A (zh) | 2009-04-22 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Weifang huasairui Analysis Instrument Technology Co. Ltd. Assignor: Xue Wenwei Contract record no.: 2011990001111 Denomination of invention: Audio signal amplifying circuit and electronic device using the same Granted publication date: 20110209 License type: Exclusive License Open date: 20090422 Record date: 20111222 |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20171124 |