HK1180462A1 - Chopping amplifier and method of reducing its offset voltage - Google Patents
Chopping amplifier and method of reducing its offset voltageInfo
- Publication number
- HK1180462A1 HK1180462A1 HK13107638.8A HK13107638A HK1180462A1 HK 1180462 A1 HK1180462 A1 HK 1180462A1 HK 13107638 A HK13107638 A HK 13107638A HK 1180462 A1 HK1180462 A1 HK 1180462A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- reducing
- offset voltage
- chopping amplifier
- chopping
- amplifier
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210573925.6A CN103117713B (en) | 2012-12-26 | 2012-12-26 | A kind of chopper amplifier and reduce the method for its offset voltage |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1180462A1 true HK1180462A1 (en) | 2013-10-18 |
Family
ID=48416005
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK13107638.8A HK1180462A1 (en) | 2012-12-26 | 2013-06-28 | Chopping amplifier and method of reducing its offset voltage |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN103117713B (en) |
HK (1) | HK1180462A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10003306B1 (en) * | 2017-03-23 | 2018-06-19 | Texas Instruments Incorporated | Ripple reduction filter for chopped amplifiers |
CN117526946A (en) * | 2024-01-02 | 2024-02-06 | 上海安其威微电子科技有限公司 | Logarithmic conversion circuit and chip |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007049285A (en) * | 2005-08-08 | 2007-02-22 | Seiko Instruments Inc | Chopper amplifier circuit and semiconductor device |
US7724080B2 (en) * | 2008-06-11 | 2010-05-25 | Intersil Americas Inc. | Chopper stabilized amplifier |
CN202334440U (en) * | 2011-11-25 | 2012-07-11 | 无锡力芯微电子股份有限公司 | Chopped wave amplification circuit and multistage amplification system |
-
2012
- 2012-12-26 CN CN201210573925.6A patent/CN103117713B/en not_active Expired - Fee Related
-
2013
- 2013-06-28 HK HK13107638.8A patent/HK1180462A1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN103117713A (en) | 2013-05-22 |
CN103117713B (en) | 2015-08-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20211228 |