CN100481721C - 自动增益控制电路 - Google Patents
自动增益控制电路 Download PDFInfo
- Publication number
- CN100481721C CN100481721C CNB2003101179025A CN200310117902A CN100481721C CN 100481721 C CN100481721 C CN 100481721C CN B2003101179025 A CNB2003101179025 A CN B2003101179025A CN 200310117902 A CN200310117902 A CN 200310117902A CN 100481721 C CN100481721 C CN 100481721C
- Authority
- CN
- China
- Prior art keywords
- incremented
- count value
- decremented counter
- voltage
- circuit
- 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
- 230000009471 action Effects 0.000 claims description 167
- 230000003321 amplification Effects 0.000 claims description 87
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 87
- 230000005540 biological transmission Effects 0.000 claims description 14
- 230000008676 import Effects 0.000 claims description 10
- 239000003990 capacitor Substances 0.000 abstract description 13
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract description 3
- 230000014509 gene expression Effects 0.000 description 38
- 238000010586 diagram Methods 0.000 description 15
- 238000011084 recovery Methods 0.000 description 11
- 230000008859 change Effects 0.000 description 10
- 230000006870 function Effects 0.000 description 7
- 230000004044 response Effects 0.000 description 5
- 230000005236 sound signal Effects 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 244000145845 chattering Species 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
Landscapes
- Control Of Amplification And Gain Control (AREA)
Abstract
Description
Claims (12)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003064980A JP4027822B2 (ja) | 2003-03-11 | 2003-03-11 | Agc回路 |
JP64980/03 | 2003-03-11 | ||
JP64980/2003 | 2003-03-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1531197A CN1531197A (zh) | 2004-09-22 |
CN100481721C true CN100481721C (zh) | 2009-04-22 |
Family
ID=32959167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2003101179025A Expired - Fee Related CN100481721C (zh) | 2003-03-11 | 2003-11-20 | 自动增益控制电路 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6977550B2 (zh) |
JP (1) | JP4027822B2 (zh) |
KR (1) | KR20040080906A (zh) |
CN (1) | CN100481721C (zh) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3939276B2 (ja) | 2003-08-06 | 2007-07-04 | 松下電器産業株式会社 | Agc回路 |
JP2005072983A (ja) * | 2003-08-25 | 2005-03-17 | Matsushita Electric Ind Co Ltd | 音声信号増幅装置及び音響装置 |
JP4578169B2 (ja) * | 2004-07-23 | 2010-11-10 | 三洋電機株式会社 | 自動レベル調整回路 |
US7340229B2 (en) * | 2004-08-20 | 2008-03-04 | Matsushita Electric Industrial Co., Ltd. | High frequency amplification circuit and mobile communication terminal using the same |
JP4139800B2 (ja) * | 2004-08-24 | 2008-08-27 | 松下電器産業株式会社 | Agc回路 |
JP4368321B2 (ja) * | 2005-03-16 | 2009-11-18 | 富士通マイクロエレクトロニクス株式会社 | 増幅回路及び増幅回路の制御方法 |
JP2007006260A (ja) | 2005-06-24 | 2007-01-11 | Sanyo Electric Co Ltd | Agc回路 |
US7760799B2 (en) * | 2005-09-28 | 2010-07-20 | Altera Corporation | Programmable digital equalization control circuitry and methods |
US7265626B2 (en) * | 2005-12-20 | 2007-09-04 | Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. | Fast-setting digital automatic gain control |
US7724090B2 (en) * | 2006-06-05 | 2010-05-25 | Mediatek Inc. | Loop control apparatus and method thereof |
US7684291B2 (en) * | 2006-06-05 | 2010-03-23 | Mediatek Inc. | Method and apparatus for blank detection of an optical disc |
US7796480B2 (en) * | 2006-06-05 | 2010-09-14 | Mediatek Inc. | Apparatus and methods for light spot servo signal detection |
US7782088B1 (en) | 2007-02-15 | 2010-08-24 | Altera Corporation | Sharing adaptive dispersion compensation engine among programmable logic device serial interface channels |
JP4879783B2 (ja) * | 2007-03-09 | 2012-02-22 | パナソニック株式会社 | 自動利得制御回路 |
JP2009010469A (ja) * | 2007-06-26 | 2009-01-15 | Oki Electric Ind Co Ltd | 高周波受信装置及び高周波受信方法と高周波信号用lsi及びベースバンド信号用lsi |
US7961083B2 (en) * | 2007-08-29 | 2011-06-14 | Infineon Technologies Ag | Digital satellite receiver controller |
US7573335B2 (en) * | 2007-10-23 | 2009-08-11 | Seiko Epson Corporation | Automatic gain control (AGC) with lock detection |
US8208528B1 (en) | 2007-12-13 | 2012-06-26 | Altera Corporation | Programmable adaptation convergence detection |
US8552803B2 (en) * | 2007-12-18 | 2013-10-08 | Qualcomm Incorporated | Amplifier with dynamic bias |
US8175143B1 (en) | 2008-02-26 | 2012-05-08 | Altera Corporation | Adaptive equalization using data level detection |
US8000671B2 (en) * | 2008-04-01 | 2011-08-16 | Seiko Epson Corporation | Dual threshold demodulation in an amplitude modulation radio receiver |
US8238571B2 (en) * | 2008-07-21 | 2012-08-07 | Nissan North America, Inc. | Automatic input sensitivity selector for auxiliary devices |
TWM349649U (en) * | 2008-09-10 | 2009-01-21 | Amazing Microelectronic Corp | Bias balancing circuit |
WO2010056236A1 (en) * | 2008-11-12 | 2010-05-20 | Freescale Semiconductor Inc. | Charge amplifiers with dc stabilization |
US8223900B2 (en) * | 2009-03-02 | 2012-07-17 | Maxim Integrated Products, Inc. | Receiver with mixed-mode automatic gain control |
JP2010251885A (ja) | 2009-04-13 | 2010-11-04 | Panasonic Corp | Agc回路 |
CN101557205B (zh) * | 2009-05-26 | 2011-04-06 | 中国科学院微电子研究所 | 一种混合模式agc环路 |
EP2546982A1 (en) * | 2011-07-12 | 2013-01-16 | Nxp B.V. | A variable gain amplifier circuit |
JP5788739B2 (ja) * | 2011-08-29 | 2015-10-07 | セミコンダクター・コンポーネンツ・インダストリーズ・リミテッド・ライアビリティ・カンパニー | 電圧可変利得増幅回路 |
JP5867281B2 (ja) * | 2012-05-09 | 2016-02-24 | ソニー株式会社 | ゲイン制御回路および受信システム |
CN104410429A (zh) * | 2014-12-11 | 2015-03-11 | 中国电子科技集团公司第二十研究所 | 一种基于数据链端机的自动增益控制装置 |
CN104485910B (zh) * | 2014-12-31 | 2017-12-19 | 上海艾为电子技术股份有限公司 | 增益控制方法及装置 |
US9654074B2 (en) * | 2015-05-31 | 2017-05-16 | Mediatek Inc. | Variable gain amplifier circuit, controller of main amplifier and associated control method |
WO2018080511A1 (en) * | 2016-10-28 | 2018-05-03 | Siemens Industry, Inc. | Gas chromatograph (gc) detector to provide gc measurement in digital form |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2924644B2 (ja) * | 1994-06-15 | 1999-07-26 | 三菱電機株式会社 | 送信電力制御回路、基地局、移動機及び移動体通信システム |
JP2901899B2 (ja) | 1994-08-26 | 1999-06-07 | 松下電器産業株式会社 | 自動利得制御装置 |
US5606284A (en) * | 1994-08-26 | 1997-02-25 | Matsushita Electric Industrial Co., Ltd. | Automatic gain control device for producing constant amplitude output signal |
JPH08316756A (ja) * | 1995-05-22 | 1996-11-29 | Saitama Nippon Denki Kk | 送信出力制御方式 |
JPH11112366A (ja) * | 1997-10-07 | 1999-04-23 | Fujitsu Ltd | 自動送信電力制御回路 |
JP3493424B2 (ja) * | 1998-05-29 | 2004-02-03 | 京セラ株式会社 | Cdma方式の送信電力制御方法 |
-
2003
- 2003-03-11 JP JP2003064980A patent/JP4027822B2/ja not_active Expired - Fee Related
- 2003-11-17 US US10/713,274 patent/US6977550B2/en not_active Expired - Fee Related
- 2003-11-20 KR KR1020030082534A patent/KR20040080906A/ko not_active Application Discontinuation
- 2003-11-20 CN CNB2003101179025A patent/CN100481721C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP4027822B2 (ja) | 2007-12-26 |
US20040178851A1 (en) | 2004-09-16 |
CN1531197A (zh) | 2004-09-22 |
US6977550B2 (en) | 2005-12-20 |
JP2004274571A (ja) | 2004-09-30 |
KR20040080906A (ko) | 2004-09-20 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: KELAIBO INNOVATION CO., LTD. Free format text: FORMER OWNER: MATSUSHITA ELECTRIC INDUSTRIAL CO, LTD. Effective date: 20141126 |
|
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee | ||
CP02 | Change in the address of a patent holder |
Address after: Osaka Patentee after: Matsushita Electric Industrial Co.,Ltd. Address before: Japan Osaka kamato City Patentee before: Matsushita Electric Industrial Co.,Ltd. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20141126 Address after: California, USA Patentee after: Craib Innovations Ltd. Address before: Osaka Patentee before: Matsushita Electric Industrial Co.,Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090422 Termination date: 20161120 |
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CF01 | Termination of patent right due to non-payment of annual fee |