CN100478707C - 精密隔离放大仪前置放大及滤波电路 - Google Patents
精密隔离放大仪前置放大及滤波电路 Download PDFInfo
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- CN100478707C CN100478707C CNB2006100313124A CN200610031312A CN100478707C CN 100478707 C CN100478707 C CN 100478707C CN B2006100313124 A CNB2006100313124 A CN B2006100313124A CN 200610031312 A CN200610031312 A CN 200610031312A CN 100478707 C CN100478707 C CN 100478707C
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- filtering circuit
- circuit
- operational amplifier
- amplification
- resistance
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Abstract
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Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNB2006100313124A CN100478707C (zh) | 2006-03-08 | 2006-03-08 | 精密隔离放大仪前置放大及滤波电路 |
Applications Claiming Priority (1)
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CNB2006100313124A CN100478707C (zh) | 2006-03-08 | 2006-03-08 | 精密隔离放大仪前置放大及滤波电路 |
Publications (2)
Publication Number | Publication Date |
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CN1811487A CN1811487A (zh) | 2006-08-02 |
CN100478707C true CN100478707C (zh) | 2009-04-15 |
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CNB2006100313124A Expired - Fee Related CN100478707C (zh) | 2006-03-08 | 2006-03-08 | 精密隔离放大仪前置放大及滤波电路 |
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CN (1) | CN100478707C (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102944250A (zh) * | 2012-11-20 | 2013-02-27 | 中国航天科技集团公司第五研究院第五一〇研究所 | 一种用于高阻抗弱信号测量的前置调理电路 |
CN107948866B (zh) * | 2018-01-04 | 2023-09-29 | 成都威邦科技有限公司 | 一种反馈干扰低失真音频播放系统 |
CN110260773B (zh) * | 2019-05-22 | 2024-07-05 | 苏州清科思源科技发展有限公司 | 一种低温漂的电涡流传感器前置调理装置 |
CN111366546B (zh) * | 2019-09-11 | 2022-05-31 | 添可智能科技有限公司 | 清洁度检测方法、清洁设备及存储介质 |
CN112910436A (zh) * | 2019-12-03 | 2021-06-04 | 华润微集成电路(无锡)有限公司 | 实现解调采样的二阶低通有源滤波器集成电路 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2632135A1 (fr) * | 1988-05-31 | 1989-12-01 | Liger Rene | Circuit de filtrage |
RU2205428C1 (ru) * | 2001-12-19 | 2003-05-27 | Солодилов Леонид Николаевич | Регистратор сейсмических сигналов |
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2006
- 2006-03-08 CN CNB2006100313124A patent/CN100478707C/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2632135A1 (fr) * | 1988-05-31 | 1989-12-01 | Liger Rene | Circuit de filtrage |
RU2205428C1 (ru) * | 2001-12-19 | 2003-05-27 | Солодилов Леонид Николаевич | Регистратор сейсмических сигналов |
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Publication number | Publication date |
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CN1811487A (zh) | 2006-08-02 |
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C06 | Publication | ||
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20060802 Assignee: HUNAN QIANGJUN TECHNOLOGY CO., LTD. Assignor: Central South University Contract record no.: 2013430000151 Denomination of invention: Preamplification and filtering circuit for precision isolated amplifier Granted publication date: 20090415 License type: Exclusive License Record date: 20130826 |
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LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090415 Termination date: 20160308 |
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CF01 | Termination of patent right due to non-payment of annual fee |