CN102545805A - 运算放大器 - Google Patents
运算放大器 Download PDFInfo
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- CN102545805A CN102545805A CN2010106053786A CN201010605378A CN102545805A CN 102545805 A CN102545805 A CN 102545805A CN 2010106053786 A CN2010106053786 A CN 2010106053786A CN 201010605378 A CN201010605378 A CN 201010605378A CN 102545805 A CN102545805 A CN 102545805A
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- 239000004065 semiconductor Substances 0.000 claims description 7
- 230000003321 amplification Effects 0.000 abstract 6
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 6
- 238000004364 calculation method Methods 0.000 description 24
- 238000010586 diagram Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
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CN201010605378.6A CN102545805B (zh) | 2010-12-27 | 2010-12-27 | 两级运算放大器 |
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CN201010605378.6A CN102545805B (zh) | 2010-12-27 | 2010-12-27 | 两级运算放大器 |
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CN102545805A true CN102545805A (zh) | 2012-07-04 |
CN102545805B CN102545805B (zh) | 2017-05-24 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102751956A (zh) * | 2012-08-02 | 2012-10-24 | 电子科技大学 | 一种开关电容共模反馈结构 |
CN104348431A (zh) * | 2013-07-31 | 2015-02-11 | 快捷半导体(苏州)有限公司 | 共模反馈的差分放大电路及方法、集成电路 |
CN107425820A (zh) * | 2017-08-30 | 2017-12-01 | 浙江九州量子信息技术股份有限公司 | 基于电流反馈式运放实现高频信号共模抑制的放大电路 |
CN108768324A (zh) * | 2017-12-28 | 2018-11-06 | 北京时代民芯科技有限公司 | 应用于输出级为反相器结构的衬底调制共模反馈电路 |
CN114900139A (zh) * | 2022-07-14 | 2022-08-12 | 华南理工大学 | 一种全差分运算放大器的共模反馈电路 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101029910A (zh) * | 2007-03-22 | 2007-09-05 | 华为技术有限公司 | 电流检测电路及装置 |
CN101180793A (zh) * | 2005-05-24 | 2008-05-14 | 德克萨斯仪器股份有限公司 | 快速建立的、低噪声、低偏移的运算放大器和方法 |
CN101355346A (zh) * | 2008-09-17 | 2009-01-28 | 清华大学 | 两级运算放大器的宽带共模反馈环路频率补偿方法 |
CN101373956A (zh) * | 2008-09-17 | 2009-02-25 | 清华大学 | 两级放大器的共模反馈电路频率补偿方法 |
CN101399522A (zh) * | 2007-09-27 | 2009-04-01 | 冲电气工业株式会社 | 多输入运算放大电路及使用其的数字/模拟转换器 |
-
2010
- 2010-12-27 CN CN201010605378.6A patent/CN102545805B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101180793A (zh) * | 2005-05-24 | 2008-05-14 | 德克萨斯仪器股份有限公司 | 快速建立的、低噪声、低偏移的运算放大器和方法 |
CN101029910A (zh) * | 2007-03-22 | 2007-09-05 | 华为技术有限公司 | 电流检测电路及装置 |
CN101399522A (zh) * | 2007-09-27 | 2009-04-01 | 冲电气工业株式会社 | 多输入运算放大电路及使用其的数字/模拟转换器 |
CN101355346A (zh) * | 2008-09-17 | 2009-01-28 | 清华大学 | 两级运算放大器的宽带共模反馈环路频率补偿方法 |
CN101373956A (zh) * | 2008-09-17 | 2009-02-25 | 清华大学 | 两级放大器的共模反馈电路频率补偿方法 |
Non-Patent Citations (3)
Title |
---|
翁迪 等: "一种高性能低功耗两级全差分运算放大器设计", 《复旦学报(自然科学版)》 * |
连全文 等: "两级运放中共模反馈电路的分析与设计", 《微电子学》 * |
陈恒江 等: "一种高增益带宽CMOS全差分运算放大器的设计", 《微电子学》 * |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102751956A (zh) * | 2012-08-02 | 2012-10-24 | 电子科技大学 | 一种开关电容共模反馈结构 |
CN102751956B (zh) * | 2012-08-02 | 2014-12-24 | 电子科技大学 | 一种开关电容共模反馈结构 |
CN104348431A (zh) * | 2013-07-31 | 2015-02-11 | 快捷半导体(苏州)有限公司 | 共模反馈的差分放大电路及方法、集成电路 |
CN104348431B (zh) * | 2013-07-31 | 2017-04-26 | 快捷半导体(苏州)有限公司 | 共模反馈的差分放大电路及方法、集成电路 |
CN107425820A (zh) * | 2017-08-30 | 2017-12-01 | 浙江九州量子信息技术股份有限公司 | 基于电流反馈式运放实现高频信号共模抑制的放大电路 |
CN107425820B (zh) * | 2017-08-30 | 2024-02-09 | 浙江九州量子信息技术股份有限公司 | 基于电流反馈式运放实现高频信号共模抑制的放大电路 |
CN108768324A (zh) * | 2017-12-28 | 2018-11-06 | 北京时代民芯科技有限公司 | 应用于输出级为反相器结构的衬底调制共模反馈电路 |
CN108768324B (zh) * | 2017-12-28 | 2022-01-11 | 北京时代民芯科技有限公司 | 应用于输出级为反相器结构的衬底调制共模反馈电路 |
CN114900139A (zh) * | 2022-07-14 | 2022-08-12 | 华南理工大学 | 一种全差分运算放大器的共模反馈电路 |
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Free format text: FORMER OWNER: WUXI HUARUN SHANGHUA TECHNOLOGY CO., LTD. Effective date: 20131216 |
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Effective date of registration: 20131216 Address after: 214028 Wuxi provincial high tech Industrial Development Zone, Hanjiang Road, No. 5, Jiangsu, China Applicant after: Wuxi CSMC Semiconductor Co., Ltd. Address before: 214028 Wuxi provincial high tech Industrial Development Zone, Hanjiang Road, No. 5, Jiangsu, China Applicant before: Wuxi CSMC Semiconductor Co., Ltd. Applicant before: Wuxi Huarun Shanghua Technology Co., Ltd. Effective date of registration: 20131216 Address after: 214028 Wuxi provincial high tech Industrial Development Zone, Hanjiang Road, No. 5, Jiangsu, China Applicant after: Wuxi CSMC Semiconductor Co., Ltd. Address before: 214028 Wuxi provincial high tech Industrial Development Zone, Hanjiang Road, No. 5, Jiangsu, China Applicant before: Wuxi CSMC Semiconductor Co., Ltd. Applicant before: Wuxi Huarun Shanghua Technology Co., Ltd. |
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Address after: 214028 Xinzhou Road, Wuxi national hi tech Industrial Development Zone, Jiangsu, China, No. 8 Patentee after: Wuxi Huarun Shanghua Technology Co., Ltd. Address before: 214028 Wuxi provincial high tech Industrial Development Zone, Hanjiang Road, No. 5, Jiangsu, China Patentee before: Wuxi CSMC Semiconductor Co., Ltd. Address after: 214028 Xinzhou Road, Wuxi national hi tech Industrial Development Zone, Jiangsu, China, No. 8 Patentee after: Wuxi Huarun Shanghua Technology Co., Ltd. Address before: 214028 Wuxi provincial high tech Industrial Development Zone, Hanjiang Road, No. 5, Jiangsu, China Patentee before: Wuxi CSMC Semiconductor Co., Ltd. |
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Correction item: Invention affairs Bulletin Correct: Revoke the notice of the invention business False: Alteration of the name or name and address of the patent holder Number: 52-02 Volume: 33 |
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Address after: 214028 Xinzhou Road, Wuxi national hi tech Industrial Development Zone, Jiangsu, China, No. 8 Patentee after: Wuxi Huarun Shanghua Technology Co., Ltd. Address before: 214028 Wuxi provincial high tech Industrial Development Zone, Hanjiang Road, No. 5, Jiangsu, China Patentee before: Wuxi CSMC Semiconductor Co., Ltd. Address after: 214028 Xinzhou Road, Wuxi national hi tech Industrial Development Zone, Jiangsu, China, No. 8 Patentee after: Wuxi Huarun Shanghua Technology Co., Ltd. Address before: 214028 Wuxi provincial high tech Industrial Development Zone, Hanjiang Road, No. 5, Jiangsu, China Patentee before: Wuxi CSMC Semiconductor Co., Ltd. |
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