CN110752828B - 一种用于天然气泄漏激光检测***的多源噪声抑制电路 - Google Patents
一种用于天然气泄漏激光检测***的多源噪声抑制电路 Download PDFInfo
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- CN110752828B CN110752828B CN201910965883.2A CN201910965883A CN110752828B CN 110752828 B CN110752828 B CN 110752828B CN 201910965883 A CN201910965883 A CN 201910965883A CN 110752828 B CN110752828 B CN 110752828B
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- resistor
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- operational amplifier
- capacitor
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 238000001514 detection method Methods 0.000 title claims abstract description 16
- 239000003345 natural gas Substances 0.000 title claims abstract description 12
- 230000001629 suppression Effects 0.000 title claims abstract description 10
- 239000003990 capacitor Substances 0.000 claims abstract description 53
- 238000001914 filtration Methods 0.000 claims abstract description 26
- 238000006243 chemical reaction Methods 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 18
- 230000003321 amplification Effects 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 206010017740 Gas poisoning Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/26—Modifications of amplifiers to reduce influence of noise generated by amplifying elements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
- H03F3/45071—Differential amplifiers with semiconductor devices only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/04—Frequency selective two-port networks
- H03H11/12—Frequency selective two-port networks using amplifiers with feedback
- H03H11/1217—Frequency selective two-port networks using amplifiers with feedback using a plurality of operational amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0219—Compensation of undesirable effects, e.g. quantisation noise, overflow
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/294—Indexing scheme relating to amplifiers the amplifier being a low noise amplifier [LNA]
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- Amplifiers (AREA)
Abstract
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CN201910965883.2A CN110752828B (zh) | 2019-10-12 | 2019-10-12 | 一种用于天然气泄漏激光检测***的多源噪声抑制电路 |
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CN201910965883.2A CN110752828B (zh) | 2019-10-12 | 2019-10-12 | 一种用于天然气泄漏激光检测***的多源噪声抑制电路 |
Publications (2)
Publication Number | Publication Date |
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CN110752828A CN110752828A (zh) | 2020-02-04 |
CN110752828B true CN110752828B (zh) | 2023-11-14 |
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CN201910965883.2A Active CN110752828B (zh) | 2019-10-12 | 2019-10-12 | 一种用于天然气泄漏激光检测***的多源噪声抑制电路 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009212702A (ja) * | 2008-03-03 | 2009-09-17 | Sharp Corp | 受光増幅回路、光ピックアップ装置および光ディスク装置 |
CN104506145A (zh) * | 2014-12-23 | 2015-04-08 | 福建星网视易信息***有限公司 | 一种低噪声的小信号放大电路及其实现方法 |
CN106875666A (zh) * | 2015-12-14 | 2017-06-20 | 韩会义 | 一种红外信号检测电路 |
CN108732606A (zh) * | 2018-06-04 | 2018-11-02 | 成都理工大学 | 数字电流多道的并联型快速电流前放*** |
-
2019
- 2019-10-12 CN CN201910965883.2A patent/CN110752828B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009212702A (ja) * | 2008-03-03 | 2009-09-17 | Sharp Corp | 受光増幅回路、光ピックアップ装置および光ディスク装置 |
CN104506145A (zh) * | 2014-12-23 | 2015-04-08 | 福建星网视易信息***有限公司 | 一种低噪声的小信号放大电路及其实现方法 |
CN106875666A (zh) * | 2015-12-14 | 2017-06-20 | 韩会义 | 一种红外信号检测电路 |
CN108732606A (zh) * | 2018-06-04 | 2018-11-02 | 成都理工大学 | 数字电流多道的并联型快速电流前放*** |
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Inventor after: Li Yushuang Inventor after: Wang Mingji Inventor after: Pu Yu Inventor after: Li Dong Inventor after: Lv Yan Inventor after: Wang Di Inventor after: Liang Tao Inventor before: Wang Mingji Inventor before: Liang Tao Inventor before: Li Dong Inventor before: Li Yushuang Inventor before: Lv Yan Inventor before: Wang Di |
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