CN103309389B - 低通滤波电路和电压调节器 - Google Patents
低通滤波电路和电压调节器 Download PDFInfo
- Publication number
- CN103309389B CN103309389B CN201310078000.9A CN201310078000A CN103309389B CN 103309389 B CN103309389 B CN 103309389B CN 201310078000 A CN201310078000 A CN 201310078000A CN 103309389 B CN103309389 B CN 103309389B
- Authority
- CN
- China
- Prior art keywords
- reference voltage
- pass filter
- low
- filter circuit
- transistor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
-
- 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
- H03H11/1213—Frequency selective two-port networks using amplifiers with feedback using transistor amplifiers
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
- G05F1/575—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices characterised by the feedback circuit
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Continuous-Control Power Sources That Use Transistors (AREA)
Abstract
Description
Claims (4)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012054844A JP5952035B2 (ja) | 2012-03-12 | 2012-03-12 | ローパスフィルタ回路及びボルテージレギュレータ |
JP2012-054844 | 2012-03-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103309389A CN103309389A (zh) | 2013-09-18 |
CN103309389B true CN103309389B (zh) | 2016-12-28 |
Family
ID=49113517
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310078000.9A Expired - Fee Related CN103309389B (zh) | 2012-03-12 | 2013-03-12 | 低通滤波电路和电压调节器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8922188B2 (zh) |
JP (1) | JP5952035B2 (zh) |
KR (1) | KR101956933B1 (zh) |
CN (1) | CN103309389B (zh) |
TW (1) | TWI590583B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114489215A (zh) * | 2022-04-06 | 2022-05-13 | 江苏长晶科技股份有限公司 | 一种低噪声基准电路及其低压差线性稳压电路 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104714584B (zh) * | 2013-12-13 | 2016-04-06 | 芯视达系统公司 | 具有多输出范围的电压调节器及其控制方法 |
US10156860B2 (en) | 2015-03-31 | 2018-12-18 | Skyworks Solutions, Inc. | Pre-charged fast wake up low-dropout regulator |
US9625926B1 (en) * | 2015-11-18 | 2017-04-18 | Qualcomm Incorporated | Multiple input regulator circuit |
JP6713373B2 (ja) * | 2016-08-02 | 2020-06-24 | エイブリック株式会社 | ボルテージレギュレータ |
US10574212B2 (en) * | 2017-11-21 | 2020-02-25 | Mediatek Inc. | Method and circuit for low-noise reference signal generation |
TWI829663B (zh) * | 2018-01-19 | 2024-01-21 | 日商半導體能源研究所股份有限公司 | 半導體裝置以及其工作方法 |
JP7000187B2 (ja) * | 2018-02-08 | 2022-01-19 | エイブリック株式会社 | 基準電圧回路及び半導体装置 |
CN108459649A (zh) * | 2018-03-13 | 2018-08-28 | 李启同 | 一种高稳定性的低压差稳压器以及多路供电装置 |
CN114460994A (zh) * | 2020-11-09 | 2022-05-10 | 扬智科技股份有限公司 | 电压调整器 |
TWI800223B (zh) * | 2021-11-17 | 2023-04-21 | 香港商科奇芯有限公司 | 低通濾波電路 |
US11909369B2 (en) * | 2021-11-17 | 2024-02-20 | Gutschsemi Limited | Low-pass filter circuit |
US11616505B1 (en) * | 2022-02-17 | 2023-03-28 | Qualcomm Incorporated | Temperature-compensated low-pass filter |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05127761A (ja) | 1991-10-31 | 1993-05-25 | Fujitsu Ltd | 安定化電源回路 |
US5999043A (en) * | 1996-12-19 | 1999-12-07 | Texas Instruments Incorporated | On-chip high resistance device for passive low pass filters with programmable poles |
US6522114B1 (en) * | 2001-12-10 | 2003-02-18 | Koninklijke Philips Electronics N.V. | Noise reduction architecture for low dropout voltage regulators |
JP2004094788A (ja) * | 2002-09-03 | 2004-03-25 | Seiko Instruments Inc | ボルテージ・レギュレータ |
CN100373281C (zh) * | 2003-06-05 | 2008-03-05 | 联发科技股份有限公司 | 低噪声快速稳定的稳压电路 |
US7397226B1 (en) | 2005-01-13 | 2008-07-08 | National Semiconductor Corporation | Low noise, low power, fast startup, and low drop-out voltage regulator |
JP4804156B2 (ja) * | 2006-02-01 | 2011-11-02 | 株式会社リコー | 定電圧回路 |
JP5006580B2 (ja) * | 2006-05-31 | 2012-08-22 | ルネサスエレクトロニクス株式会社 | 保護回路を備える半導体装置 |
JP4495695B2 (ja) * | 2006-06-09 | 2010-07-07 | ザインエレクトロニクス株式会社 | 発振回路 |
CN101459378B (zh) * | 2007-12-14 | 2011-03-09 | 英业达股份有限公司 | 线性降压调节器 |
WO2010151270A1 (en) * | 2009-06-25 | 2010-12-29 | Nanoamp Mobile, Inc. | Even-order harmonics calibration |
JP5446529B2 (ja) * | 2009-07-14 | 2014-03-19 | 株式会社リコー | ローパスフィルタ回路、そのローパスフィルタ回路を使用した定電圧回路及び半導体装置 |
JP5438477B2 (ja) * | 2009-11-26 | 2014-03-12 | トレックス・セミコンダクター株式会社 | 基準電圧回路 |
JP5713616B2 (ja) * | 2010-09-21 | 2015-05-07 | ラピスセミコンダクタ株式会社 | 液晶駆動用のソースドライバのオフセットキャンセル出力回路 |
-
2012
- 2012-03-12 JP JP2012054844A patent/JP5952035B2/ja not_active Expired - Fee Related
-
2013
- 2013-02-27 US US13/779,253 patent/US8922188B2/en not_active Expired - Fee Related
- 2013-03-04 TW TW102107487A patent/TWI590583B/zh not_active IP Right Cessation
- 2013-03-07 KR KR1020130024387A patent/KR101956933B1/ko active IP Right Grant
- 2013-03-12 CN CN201310078000.9A patent/CN103309389B/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114489215A (zh) * | 2022-04-06 | 2022-05-13 | 江苏长晶科技股份有限公司 | 一种低噪声基准电路及其低压差线性稳压电路 |
Also Published As
Publication number | Publication date |
---|---|
TWI590583B (zh) | 2017-07-01 |
CN103309389A (zh) | 2013-09-18 |
US8922188B2 (en) | 2014-12-30 |
KR101956933B1 (ko) | 2019-03-11 |
JP2013190855A (ja) | 2013-09-26 |
US20130234688A1 (en) | 2013-09-12 |
JP5952035B2 (ja) | 2016-07-13 |
KR20130105394A (ko) | 2013-09-25 |
TW201401769A (zh) | 2014-01-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20160304 Address after: Chiba County, Japan Applicant after: DynaFine Semiconductor Co.,Ltd. Address before: Chiba, Chiba, Japan Applicant before: Seiko Instruments Inc. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: Chiba County, Japan Patentee after: ABLIC Inc. Address before: Chiba County, Japan Patentee before: DynaFine Semiconductor Co.,Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 |