DK1143611T3 - Digital automatisk gainstyring - Google Patents

Digital automatisk gainstyring

Info

Publication number
DK1143611T3
DK1143611T3 DK01107436T DK01107436T DK1143611T3 DK 1143611 T3 DK1143611 T3 DK 1143611T3 DK 01107436 T DK01107436 T DK 01107436T DK 01107436 T DK01107436 T DK 01107436T DK 1143611 T3 DK1143611 T3 DK 1143611T3
Authority
DK
Denmark
Prior art keywords
gain control
automatic gain
input
variable gain
digital automatic
Prior art date
Application number
DK01107436T
Other languages
English (en)
Inventor
Leonid Kazakevich
Fatih Ozluturk
Original Assignee
Interdigital Tech Corp
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 Interdigital Tech Corp filed Critical Interdigital Tech Corp
Application granted granted Critical
Publication of DK1143611T3 publication Critical patent/DK1143611T3/da

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/001—Volume compression or expansion in amplifiers without controlling loop
    • 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

Landscapes

  • Control Of Amplification And Gain Control (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Circuits Of Receivers In General (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
DK01107436T 2000-03-27 2001-03-27 Digital automatisk gainstyring DK1143611T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19228900P 2000-03-27 2000-03-27

Publications (1)

Publication Number Publication Date
DK1143611T3 true DK1143611T3 (da) 2005-11-14

Family

ID=22709059

Family Applications (1)

Application Number Title Priority Date Filing Date
DK01107436T DK1143611T3 (da) 2000-03-27 2001-03-27 Digital automatisk gainstyring

Country Status (7)

Country Link
US (2) US6934344B2 (da)
EP (1) EP1143611B1 (da)
AT (1) ATE299622T1 (da)
DE (1) DE60111885T2 (da)
DK (1) DK1143611T3 (da)
ES (1) ES2245957T3 (da)
HK (1) HK1040577B (da)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6934344B2 (en) * 2000-03-27 2005-08-23 Interdigital Technology Corporation Digital automatic gain control
US8094869B2 (en) 2001-07-02 2012-01-10 Digimarc Corporation Fragile and emerging digital watermarks
EP1435688A1 (en) * 2001-10-12 2004-07-07 Mitsubishi Denki Kabushiki Kaisha Amplifier apparatus and receiver
US7440491B2 (en) * 2003-01-16 2008-10-21 Texas Instruments Incorporated Ultra-wideband communications system devices
DE102004021867B4 (de) * 2004-05-04 2012-02-16 Infineon Technologies Ag Verfahren zur Signalverarbeitung, insbesondere in einem Hochfrequenzempfänger und Signalaufbereitungsschaltung
US7817755B2 (en) 2007-03-05 2010-10-19 Hanan Cohen System, device and method for generating a logarithmic function according to a plurality of communication signals
WO2009089404A1 (en) * 2008-01-11 2009-07-16 Clemson University Rejection of a close-in-frequency interferer employing a log detector and classical down converter
CN103457561B (zh) * 2013-09-16 2016-07-06 浙江嘉科电子有限公司 一种多通道输入微波增益控制模块
US10063667B2 (en) * 2015-12-09 2018-08-28 Audio-Technica, U.S., Inc. Plug-on networked audio adapter
CN106230398A (zh) * 2016-08-31 2016-12-14 北京和利时智能技术有限公司 一种自动增益控制电路及其控制方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4188587A (en) * 1978-06-26 1980-02-12 Motorola, Inc. Linear gain control apparatus utilizing feed forward level control
US4193034A (en) * 1978-07-06 1980-03-11 International Standard Electric Corporation Radio receiver for FSK signals
US4785418A (en) * 1986-08-29 1988-11-15 International Business Machines Corporation Proportional automatic gain control
JP2671595B2 (ja) * 1990-10-25 1997-10-29 日本電気株式会社 復調装置
US6408017B1 (en) * 1993-12-21 2002-06-18 Unisys Corporation High speed demux parallel correlator system
US6195399B1 (en) * 1994-03-28 2001-02-27 Ericsson Inc. Method and apparatus for converting a wideband if signal to a complex (quadrature) baseband signal
JP3455934B2 (ja) * 1995-04-11 2003-10-14 日本電信電話株式会社 変調器
US5914990A (en) * 1995-11-22 1999-06-22 Telefonaktiebolaget Lm Ericsson Filtering in a receiver that uses log-polar signal processing
FR2742611B1 (fr) * 1995-12-19 1998-01-16 Alcatel Telspace Systeme de codage/decodage utilisant la modulation maq-16 codee en blocs a multiniveaux
JPH09186729A (ja) * 1996-01-08 1997-07-15 Hitachi Denshi Ltd 直交変調器および直交復調器の振幅誤差制御方法
US5852772A (en) * 1997-02-25 1998-12-22 Ericsson Inc. Receiver IF system with active filters
DE19736660C1 (de) * 1997-08-22 1999-03-11 Siemens Ag Regelanordnung zur Linearisierung einer Verstärkerschaltung
US6873663B1 (en) * 2000-02-16 2005-03-29 Telefonaktiebolaget Lm Ericsson Reception of M-ary PSK-modulated signals
US6721368B1 (en) * 2000-03-04 2004-04-13 Qualcomm Incorporated Transmitter architectures for communications systems
US6934344B2 (en) * 2000-03-27 2005-08-23 Interdigital Technology Corporation Digital automatic gain control

Also Published As

Publication number Publication date
HK1040577B (zh) 2005-12-09
US6934344B2 (en) 2005-08-23
DE60111885D1 (de) 2005-08-18
ATE299622T1 (de) 2005-07-15
DE60111885T2 (de) 2006-04-20
HK1040577A1 (en) 2002-06-14
EP1143611B1 (en) 2005-07-13
US20020012409A1 (en) 2002-01-31
US7664201B2 (en) 2010-02-16
US20050190866A1 (en) 2005-09-01
ES2245957T3 (es) 2006-02-01
EP1143611A1 (en) 2001-10-10

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