SE438223B - Krets for automatisk reglering av forsterkning som appliceras pa en insignal - Google Patents

Krets for automatisk reglering av forsterkning som appliceras pa en insignal

Info

Publication number
SE438223B
SE438223B SE7908627A SE7908627A SE438223B SE 438223 B SE438223 B SE 438223B SE 7908627 A SE7908627 A SE 7908627A SE 7908627 A SE7908627 A SE 7908627A SE 438223 B SE438223 B SE 438223B
Authority
SE
Sweden
Prior art keywords
signal
gain
digital
corrected
control signal
Prior art date
Application number
SE7908627A
Other languages
English (en)
Swedish (sv)
Other versions
SE7908627L (sv
Inventor
R F Chiu
Iii P F Kromer
H H Parrish
M L Kao
Original Assignee
Racal Milgo Inc
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 Racal Milgo Inc filed Critical Racal Milgo Inc
Publication of SE7908627L publication Critical patent/SE7908627L/
Publication of SE438223B publication Critical patent/SE438223B/sv

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/001—Digital control of analog signals
    • 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

Landscapes

  • Control Of Amplification And Gain Control (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Analogue/Digital Conversion (AREA)
  • Amplifiers (AREA)
SE7908627A 1978-10-19 1979-10-17 Krets for automatisk reglering av forsterkning som appliceras pa en insignal SE438223B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/952,650 US4213097A (en) 1978-10-19 1978-10-19 Hybrid automatic gain control circuit

Publications (2)

Publication Number Publication Date
SE7908627L SE7908627L (sv) 1980-06-05
SE438223B true SE438223B (sv) 1985-04-01

Family

ID=25493107

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7908627A SE438223B (sv) 1978-10-19 1979-10-17 Krets for automatisk reglering av forsterkning som appliceras pa en insignal

Country Status (9)

Country Link
US (1) US4213097A (fr)
JP (1) JPS5597714A (fr)
BE (1) BE879540A (fr)
CA (1) CA1138058A (fr)
CH (1) CH650884A5 (fr)
DE (1) DE2942106A1 (fr)
FR (1) FR2439506A1 (fr)
GB (1) GB2035732B (fr)
SE (1) SE438223B (fr)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1121030B (it) * 1979-09-18 1986-03-26 Cselt Centro Studi Lab Telecom Procedimento e circuito per il controllo automatico del guadagno in apparecchiature elettroniche
JPS57138208A (en) * 1981-02-20 1982-08-26 Hitachi Ltd Power detecting circuit and gain control circuit using it
US4398153A (en) * 1981-05-06 1983-08-09 The United States Of America As Represented By The Secretary Of The Army Harmonic generator
JPS583406A (ja) * 1981-06-30 1983-01-10 Fujitsu Ltd ディジタル形自動利得制御方法
US4464723A (en) * 1981-12-31 1984-08-07 Rca Corporation Digital gain control system
US4434439A (en) * 1982-02-22 1984-02-28 Rca Corporation Digital television AGC arrangement
GB2116793B (en) * 1982-03-03 1986-01-29 Perkin Elmer Corp Variable gain amplifier
US4494212A (en) * 1982-03-03 1985-01-15 The Perkin-Elmer Corporation Variable gain amplifier
US4447826A (en) * 1982-03-18 1984-05-08 Rca Corporation Digital television receiver automatic chroma control system
US4477779A (en) * 1982-07-30 1984-10-16 The United States Of America As Represented By The Secretary Of The Navy Dual channel gated peak detector
US4609788A (en) * 1983-03-01 1986-09-02 Racal Data Communications Inc. Digital voice transmission having improved echo suppression
US4611342A (en) * 1983-03-01 1986-09-09 Racal Data Communications Inc. Digital voice compression having a digitally controlled AGC circuit and means for including the true gain in the compressed data
US4604645A (en) * 1983-09-30 1986-08-05 Rca Corporation Coarse/fine automatic chrominance gain control using a gain adjustable IF amplifier in a digital television receiver
US4689804A (en) * 1985-08-14 1987-08-25 Racal Data Communications Inc. Method and apparatus for reduction of sinusoidal phase jitter in a high speed data modem
DE3577167D1 (de) * 1985-08-28 1990-05-17 Ibm Verfahren zur schnellen verstaerkungseinstellung in einem modemempfaenger.
US4747065A (en) * 1985-10-11 1988-05-24 International Business Machines Corporation Automatic gain control in a digital signal processor
US4785418A (en) * 1986-08-29 1988-11-15 International Business Machines Corporation Proportional automatic gain control
FI92778C (fi) * 1986-09-24 1994-12-27 Rca Licensing Corp Digitaalisignaalin amplitudinsäätöjärjestelmä digitaalisignaalien muuttamiseksi jokseenkin tasaisin dB-askelin
US4731851A (en) * 1986-09-24 1988-03-15 Rca Corporation Digital signal gain control circuitry for varying digital signals in substantially equal db steps
US4870370A (en) * 1988-02-19 1989-09-26 Silicon Systems, Inc. Method and apparatus for two stage automatic gain control
DE69024870T2 (de) * 1989-07-26 1996-05-30 Northern Telecom Ltd Automatische Steuerung eines Signalparameters
FR2676875B1 (fr) * 1991-05-24 1997-01-03 Alcatel Espace Dispositif amplificateur programmable.
US5375145A (en) * 1992-08-27 1994-12-20 Quantum Corporation Multi-mode gain control loop for PRML class IV sampling data detection channel
DE19549399B4 (de) * 1994-03-18 2004-03-04 Fujitsu Ltd., Kawasaki Phasensynchronisationsschaltung
GB2297443B (en) * 1995-01-26 1999-09-08 Sony Uk Ltd Amplifier
JP3120737B2 (ja) * 1996-08-23 2000-12-25 日本電気株式会社 自動利得制御回路
US6137533A (en) * 1997-05-14 2000-10-24 Cirrus Logic, Inc. System and method for enhancing dynamic range in images
JPH1127068A (ja) * 1997-06-30 1999-01-29 Nec Ic Microcomput Syst Ltd 利得制御増幅器及びその制御方法
US6141169A (en) * 1997-10-23 2000-10-31 Cirrus Logic, Inc. System and method for control of low frequency input levels to an amplifier and compensation of input offsets of the amplifier
US6069866A (en) * 1997-10-23 2000-05-30 Cirrus Logic, Inc. System and method for coarse gain control of wide band amplifiers
DE69942964D1 (de) * 1998-02-19 2011-01-05 Nippon Telegraph & Telephone Verstärker zur radioübertragung
US6011437A (en) * 1998-05-04 2000-01-04 Marvell Technology Group, Ltd. High precision, high bandwidth variable gain amplifier and method
US7076225B2 (en) * 2001-02-16 2006-07-11 Qualcomm Incorporated Variable gain selection in direct conversion receiver
ES2364630T3 (es) * 2001-02-16 2011-09-08 Qualcomm Incorporated Arquitectura de receptor de conversión directa.
US6577185B1 (en) * 2001-03-19 2003-06-10 Cisco Systems Wireless Networking (Australia) Pty. Limited Multi-stage operational amplifier for interstage amplification in a pipeline analog-to-digital converter
US6959055B2 (en) * 2002-07-26 2005-10-25 Thomson Licensing Multi-stage automatic gain control for spread-spectrum receivers
US7085334B2 (en) * 2002-09-30 2006-08-01 Lsi Logic Corporation Automatic gain control with analog and digital gain
US7206030B2 (en) * 2003-01-30 2007-04-17 Texas Instruments Incorporated Fast-convergence two-stage automatic gain control (AGC)
US7443455B2 (en) * 2003-12-30 2008-10-28 Texas Instruments Incorporated Automatic gain control based on multiple input references in a video decoder
US7222037B2 (en) * 2004-10-15 2007-05-22 Genesis Microchip Inc. Hybrid automatic gain control (AGC)
DE102006005032B4 (de) * 2006-02-03 2018-06-28 Intel Deutschland Gmbh Empfangsverfahren mit digitaler Pegeleinstellung im Analogteil und stufenweiser Pegelveränderung im Digitalteil
US8198940B2 (en) 2009-05-04 2012-06-12 Maxlinear, Inc. Self-calibrating gain control system
CN102457239B (zh) * 2010-11-02 2014-06-04 安凯(广州)微电子技术有限公司 一种增益控制系统及方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1466163A1 (de) * 1964-05-21 1969-05-29 Marconi Co Ltd Selbsttaetig abgestimmte Hochfrequenzschaltung mit einer Anordnung zur selbsttaetigen Verstaerkungsregelung
US3525948A (en) * 1966-03-25 1970-08-25 Sds Data Systems Inc Seismic amplifiers
US3813609A (en) * 1972-11-27 1974-05-28 Petty Ray Geophysical Inc Multiple stage sample normalizing amplifier with automatic gain prediction
US3931584A (en) * 1974-09-12 1976-01-06 Hycom Incorporated Automatic gain control
US3983381A (en) * 1974-12-18 1976-09-28 International Business Machines Corporation Digital automatic gain control circuit
US3969683A (en) * 1975-04-21 1976-07-13 Bell Telephone Laboratories, Incorporated Automatic level control circuit
US4052598A (en) * 1976-05-03 1977-10-04 Hycom Incorporated Control system with fast response

Also Published As

Publication number Publication date
FR2439506A1 (fr) 1980-05-16
CH650884A5 (de) 1985-08-15
JPH0454405B2 (fr) 1992-08-31
JPS5597714A (en) 1980-07-25
DE2942106A1 (de) 1980-05-08
DE2942106C2 (fr) 1989-08-10
GB2035732B (en) 1982-11-10
GB2035732A (en) 1980-06-18
US4213097A (en) 1980-07-15
FR2439506B1 (fr) 1983-08-19
CA1138058A (fr) 1982-12-21
SE7908627L (sv) 1980-06-05
BE879540A (fr) 1980-02-15

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