CN113252956B - 一种具有adc线性校准功能的示波器 - Google Patents
一种具有adc线性校准功能的示波器 Download PDFInfo
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- CN113252956B CN113252956B CN202110379916.2A CN202110379916A CN113252956B CN 113252956 B CN113252956 B CN 113252956B CN 202110379916 A CN202110379916 A CN 202110379916A CN 113252956 B CN113252956 B CN 113252956B
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- 238000012545 processing Methods 0.000 claims abstract description 55
- 238000006243 chemical reaction Methods 0.000 claims abstract description 32
- 230000009466 transformation Effects 0.000 claims description 23
- 239000003990 capacitor Substances 0.000 claims description 20
- 238000005070 sampling Methods 0.000 claims description 15
- 238000001914 filtration Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000012935 Averaging Methods 0.000 description 4
- 101100165799 Arabidopsis thaliana CYP86A2 gene Proteins 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 2
- 101100524516 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) RFA2 gene Proteins 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000004164 analytical calibration Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R13/00—Arrangements for displaying electric variables or waveforms
- G01R13/02—Arrangements for displaying electric variables or waveforms for displaying measured electric variables in digital form
- G01R13/0209—Arrangements for displaying electric variables or waveforms for displaying measured electric variables in digital form in numerical form
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references
Abstract
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CN202110379916.2A CN113252956B (zh) | 2021-04-08 | 2021-04-08 | 一种具有adc线性校准功能的示波器 |
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CN113252956A CN113252956A (zh) | 2021-08-13 |
CN113252956B true CN113252956B (zh) | 2023-01-17 |
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Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3332408B2 (ja) * | 1992-04-09 | 2002-10-07 | 株式会社日立国際電気 | 自動電力制御回路 |
JP2000013227A (ja) * | 1998-06-23 | 2000-01-14 | Denso Corp | A/d変換装置 |
US6445317B2 (en) * | 1998-11-20 | 2002-09-03 | Telefonaktiebolaget L M Ericsson (Publ) | Adaptively calibrating analog-to-digital conversion |
US7046179B1 (en) * | 2004-02-13 | 2006-05-16 | National Semiconductor Corporation | Apparatus and method for on-chip ADC calibration |
US8427175B2 (en) * | 2010-02-18 | 2013-04-23 | Intersil Americas Inc. | Correction of non-linearities in ADCS |
CN203224544U (zh) * | 2013-03-27 | 2013-10-02 | 东莞市路晨电子科技有限公司 | 一种示波器前端处理模块电路 |
CN103346793B (zh) * | 2013-07-19 | 2016-12-28 | 深圳创维-Rgb电子有限公司 | 一种adc自动校正的方法及装置 |
JP2017123531A (ja) * | 2016-01-06 | 2017-07-13 | ルネサスエレクトロニクス株式会社 | アナログ/デジタル変換回路 |
CN108254608B (zh) * | 2016-12-29 | 2022-04-05 | 北京普源精电科技有限公司 | 数字示波器及数字示波器的自校准方法 |
CN107231140B (zh) * | 2017-06-07 | 2020-12-04 | 广州致远电子有限公司 | 一种阻抗变换网络电路结构 |
CN107179519A (zh) * | 2017-06-09 | 2017-09-19 | 中国电子科技集团公司第四十研究所 | 一种用于数字示波器的通道校准装置及方法 |
CN109298236B (zh) * | 2018-11-15 | 2021-05-07 | 中电科思仪科技股份有限公司 | 一种微波功率测量线性偏置表的测量方法 |
CN112583405B (zh) * | 2019-09-30 | 2024-04-09 | 珠海格力电器股份有限公司 | Adc误差自动校正方法、装置、模数转换电路及存储介质 |
CN112051535B (zh) * | 2020-09-28 | 2021-10-22 | 珠海格力电器股份有限公司 | 信号的确定方法和装置、存储介质、电子装置 |
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Address after: 510000 room 306, 3rd floor, 43 Sicheng Road, software park, Tianhe District, Guangzhou City, Guangdong Province Applicant after: GUANGZHOU ZHIYUAN ELECTRONICS Co.,Ltd. Address before: 510000 room 306, 3rd floor, 43 Sicheng Road, software park, Tianhe District, Guangzhou City, Guangdong Province Applicant before: GUANGZHOU ZHIYUAN ELECTRONICS Co.,Ltd. |
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Application publication date: 20210813 Assignee: Guangzhou Zhiyuan Instrument Co.,Ltd. Assignor: GUANGZHOU ZHIYUAN ELECTRONICS Co.,Ltd. Contract record no.: X2023980054685 Denomination of invention: An oscilloscope with ADC linear calibration function Granted publication date: 20230117 License type: Common License Record date: 20240104 |