DE60111885D1 - Digitale automatische Verstärkungsregelung - Google Patents

Digitale automatische Verstärkungsregelung

Info

Publication number
DE60111885D1
DE60111885D1 DE60111885T DE60111885T DE60111885D1 DE 60111885 D1 DE60111885 D1 DE 60111885D1 DE 60111885 T DE60111885 T DE 60111885T DE 60111885 T DE60111885 T DE 60111885T DE 60111885 D1 DE60111885 D1 DE 60111885D1
Authority
DE
Germany
Prior art keywords
gain control
automatic gain
input
variable gain
digital automatic
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 - Lifetime
Application number
DE60111885T
Other languages
English (en)
Other versions
DE60111885T2 (de
Inventor
Leonid Kazakevich
Fatih Ozluturk
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.)
InterDigital Technology Corp
Original Assignee
InterDigital Technology 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 Technology Corp filed Critical InterDigital Technology Corp
Application granted granted Critical
Publication of DE60111885D1 publication Critical patent/DE60111885D1/de
Publication of DE60111885T2 publication Critical patent/DE60111885T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
DE60111885T 2000-03-27 2001-03-27 Digitale automatische Verstärkungsregelung Expired - Lifetime DE60111885T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US19228900P 2000-03-27 2000-03-27
US192289P 2000-03-27

Publications (2)

Publication Number Publication Date
DE60111885D1 true DE60111885D1 (de) 2005-08-18
DE60111885T2 DE60111885T2 (de) 2006-04-20

Family

ID=22709059

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60111885T Expired - Lifetime DE60111885T2 (de) 2000-03-27 2001-03-27 Digitale automatische Verstärkungsregelung

Country Status (7)

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

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
JPWO2003034588A1 (ja) * 2001-10-12 2005-02-10 三菱電機株式会社 増幅装置および受信機
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
EP1143611A1 (de) 2001-10-10
US6934344B2 (en) 2005-08-23
ES2245957T3 (es) 2006-02-01
ATE299622T1 (de) 2005-07-15
DE60111885T2 (de) 2006-04-20
HK1040577A1 (en) 2002-06-14
US7664201B2 (en) 2010-02-16
US20050190866A1 (en) 2005-09-01
EP1143611B1 (de) 2005-07-13
US20020012409A1 (en) 2002-01-31
DK1143611T3 (da) 2005-11-14

Similar Documents

Publication Publication Date Title
EP0372793B1 (de) Verstärker mit Pegelregelung anhand modulierter Widerstände
DE60111885D1 (de) Digitale automatische Verstärkungsregelung
EP0707433A3 (de) Hörhilfegerät
CA2268918A1 (en) Compression systems for hearing aids
WO2006071932A3 (en) System for dynamic control of automatic gain control take-over-point and method of operation
DK0426792T3 (da) Digital signalproccessorbaseret AGC
AU2002302637A1 (en) Automatic gain control circuit and an rf receiver and method using such a circuit
ES2103320T3 (es) Transductor de señal optica con margen dinamico extendido.
EP1313350A3 (de) Multi-mode Lautsprecher zum Betreiben mit digitalen und analogen Eingangssignalen
EP1130772A3 (de) Automatischer Verstärkungsregler und Verfahren zur automatischen Verstärkungsregelung, und Kommunikationsvorrichtung für Radiowellen mit automatischer Verstärkungsregelungsfunktion
EP1104222A3 (de) Hörhilfegerät
WO2002027925A3 (en) Apparatus and method for optimizing the level of rf signals
TW200520377A (en) Integrated loss of signal detection with wide threshold range and precise hysteresis
ATE311037T1 (de) Automatische verstärkungsregelschleife mit kurzer ansprechzeit für schmalbandige systeme
KR970063155A (ko) 신호 처리를 위한 광디스크의 프리앰프
EP0834986A3 (de) Verstärkungsregelungsschaltung und Verstärkungsregelungsverfahren
KR920005466A (ko) 서보 회로
WO2002039733A3 (en) Frequency agile adaptive automatic gain control circuit
DK0945044T3 (da) Høreapparat med forbedret percentilestimator
CA2053124A1 (en) Speech detection circuit
WO2002013379A3 (en) Amplifier with a universal automatic gain control circuit
WO2007110556A1 (en) Amplifier gain control
KR930007291A (ko) 니캠 스테레오에서의 자동입력게인 조절회로
KR950022892A (ko) 영상처리 시스템의 자동이득 조절회로
CA2058482A1 (en) Baseband signal processing circuit for a radio communication apparatus

Legal Events

Date Code Title Description
8364 No opposition during term of opposition