GB2441571A - Digital gain controller - Google Patents

Digital gain controller Download PDF

Info

Publication number
GB2441571A
GB2441571A GB0617596A GB0617596A GB2441571A GB 2441571 A GB2441571 A GB 2441571A GB 0617596 A GB0617596 A GB 0617596A GB 0617596 A GB0617596 A GB 0617596A GB 2441571 A GB2441571 A GB 2441571A
Authority
GB
United Kingdom
Prior art keywords
signal
gain
accordance
magnitude
predetermined
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.)
Withdrawn
Application number
GB0617596A
Other languages
English (en)
Other versions
GB0617596D0 (en
Inventor
Chris Stratford
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siconnect Ltd
Original Assignee
Siconnect Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siconnect Ltd filed Critical Siconnect Ltd
Priority to GB0617596A priority Critical patent/GB2441571A/en
Publication of GB0617596D0 publication Critical patent/GB0617596D0/en
Priority to CN200780033283.8A priority patent/CN101611545B/zh
Priority to PCT/GB2007/003326 priority patent/WO2008029114A1/en
Publication of GB2441571A publication Critical patent/GB2441571A/en
Withdrawn legal-status Critical Current

Links

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
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • 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
    • H03G3/3089—Control of digital or coded signals

Landscapes

  • Control Of Amplification And Gain Control (AREA)
GB0617596A 2006-09-07 2006-09-07 Digital gain controller Withdrawn GB2441571A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB0617596A GB2441571A (en) 2006-09-07 2006-09-07 Digital gain controller
CN200780033283.8A CN101611545B (zh) 2006-09-07 2007-09-04 数字增益控制
PCT/GB2007/003326 WO2008029114A1 (en) 2006-09-07 2007-09-04 Digital gain control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0617596A GB2441571A (en) 2006-09-07 2006-09-07 Digital gain controller

Publications (2)

Publication Number Publication Date
GB0617596D0 GB0617596D0 (en) 2006-10-18
GB2441571A true GB2441571A (en) 2008-03-12

Family

ID=37232503

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0617596A Withdrawn GB2441571A (en) 2006-09-07 2006-09-07 Digital gain controller

Country Status (3)

Country Link
CN (1) CN101611545B (zh)
GB (1) GB2441571A (zh)
WO (1) WO2008029114A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101567672B (zh) * 2009-05-15 2013-04-17 杭州华三通信技术有限公司 获取增益的方法及系统
CN101820259B (zh) * 2010-02-08 2013-04-24 成都市华为赛门铁克科技有限公司 调节信号幅度的方法及装置
CN109274373A (zh) * 2018-09-25 2019-01-25 中国科学院近代物理研究所 提高加速器数据采集分辨率的装置及方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4205553A (en) * 1979-02-21 1980-06-03 The United States of America as represented by the Secretary of the Department of Transporation Automated gain control in rail flaw detection
US5917865A (en) * 1996-12-31 1999-06-29 Lucent Technologies, Inc. Digital automatic gain control employing two-stage gain-determination process
JPH11220395A (ja) * 1998-01-30 1999-08-10 Ando Electric Co Ltd 電磁波検出装置における増幅率切替回路

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3183078B2 (ja) * 1994-02-28 2001-07-03 三菱電機株式会社 制御信号生成回路、これを用いた自動利得制御回路、これを用いた受信機及びこれを用いた通信システム
US5781588A (en) * 1994-11-10 1998-07-14 Matsushita Electric Industrial Co., Ltd. FSK signal receiver
US6324229B1 (en) * 1998-05-11 2001-11-27 Motorola, Inc. Self-clocking automatic digital level control method and apparatus
WO2004109909A1 (en) * 2003-06-10 2004-12-16 Koninklijke Philips Electronics N.V. Automatic gain control system
JP3939276B2 (ja) * 2003-08-06 2007-07-04 松下電器産業株式会社 Ａｇｃ回路

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4205553A (en) * 1979-02-21 1980-06-03 The United States of America as represented by the Secretary of the Department of Transporation Automated gain control in rail flaw detection
US5917865A (en) * 1996-12-31 1999-06-29 Lucent Technologies, Inc. Digital automatic gain control employing two-stage gain-determination process
JPH11220395A (ja) * 1998-01-30 1999-08-10 Ando Electric Co Ltd 電磁波検出装置における増幅率切替回路

Also Published As

Publication number Publication date
WO2008029114A1 (en) 2008-03-13
CN101611545A (zh) 2009-12-23
CN101611545B (zh) 2013-02-06
GB0617596D0 (en) 2006-10-18

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)