BR9105733A - Processo e aparelho para controle de ganho automatico em receptor - Google Patents

Processo e aparelho para controle de ganho automatico em receptor

Info

Publication number
BR9105733A
BR9105733A BR919105733A BR9105733A BR9105733A BR 9105733 A BR9105733 A BR 9105733A BR 919105733 A BR919105733 A BR 919105733A BR 9105733 A BR9105733 A BR 9105733A BR 9105733 A BR9105733 A BR 9105733A
Authority
BR
Brazil
Prior art keywords
receiver
gain control
automatic gain
automatic
control
Prior art date
Application number
BR919105733A
Other languages
English (en)
Inventor
John W Arens
David E Borth
James F Kepler
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of BR9105733A publication Critical patent/BR9105733A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/52—TPC using AGC [Automatic Gain Control] circuits or amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • 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 without distortion of the input signal
    • 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
    • H03G3/3078—Circuits generating control signals for digitally modulated signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
BR919105733A 1990-04-27 1991-04-09 Processo e aparelho para controle de ganho automatico em receptor BR9105733A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US51590090A 1990-04-27 1990-04-27
PCT/US1991/002409 WO1991017606A1 (en) 1990-04-27 1991-04-09 Digital automatic gain control

Publications (1)

Publication Number Publication Date
BR9105733A true BR9105733A (pt) 1992-05-19

Family

ID=24053240

Family Applications (1)

Application Number Title Priority Date Filing Date
BR919105733A BR9105733A (pt) 1990-04-27 1991-04-09 Processo e aparelho para controle de ganho automatico em receptor

Country Status (8)

Country Link
EP (1) EP0484476A4 (pt)
JP (1) JP2586214B2 (pt)
KR (1) KR950009559B1 (pt)
AU (1) AU635134B2 (pt)
BR (1) BR9105733A (pt)
CA (1) CA2062776C (pt)
FI (1) FI107089B (pt)
WO (1) WO1991017606A1 (pt)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5509030A (en) * 1992-03-04 1996-04-16 Alcatel Network Systems, Inc. RF receiver AGC incorporating time domain equalizer circuity
JPH05327378A (ja) * 1992-05-22 1993-12-10 Toshiba Corp 無線通信装置の自動利得制御回路
DE4332161A1 (de) * 1993-09-22 1995-03-23 Thomson Brandt Gmbh Hochfrequenzempfänger
DE69429274T2 (de) * 1993-09-30 2002-05-23 Conexant Systems Inc Basisstation für ein digitales schnurloses telefon mit mehrfachantennenanordnung
JP3274055B2 (ja) * 1996-01-29 2002-04-15 沖電気工業株式会社 スペクトル拡散方式に従う受信機の飽和防止回路
JP3373216B2 (ja) * 1996-09-05 2003-02-04 三菱電機株式会社 利得制御方法及び受信装置
KR100595839B1 (ko) * 1999-10-04 2006-07-05 에스케이 텔레콤주식회사 잡음신호를 이용한 이득 보상 장치 및 그 방법
SG93224A1 (en) * 2000-02-02 2002-12-17 Koninkl Philips Electronics Nv Measuring antenna signal strength with automatic gain control receiver
US7085255B2 (en) 2000-10-19 2006-08-01 Interdigital Technology Corporation Selectively activated AGC signal measurement unit
EP1458117B1 (en) * 2000-10-19 2006-07-05 Interdigital Technology Corporation TDD receiver with selectively activated agc signal measurement unit
GB2400272B (en) * 2003-04-04 2006-08-02 Ubinetics Ltd Method of controlling the transmit power of a mobile communications device
US7817731B2 (en) 2003-09-22 2010-10-19 Infineon Technologies Ag Amplitude compression of signals in a multicarrier system
DE10343835B4 (de) * 2003-09-22 2005-07-28 Infineon Technologies Ag Amplitudenkomprimierung von Signalen in einem Mehrträgersystem
JP5407596B2 (ja) * 2009-06-30 2014-02-05 株式会社リコー 無線通信装置及び信号強度の測定方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4227256A (en) * 1978-01-06 1980-10-07 Quadracast Systems, Inc. AM Broadcast tuner with automatic gain control
JPS5544225A (en) * 1978-09-25 1980-03-28 Nec Corp Time sharing gain adjustment circuit
US4191995A (en) * 1979-01-02 1980-03-04 Bell Telephone Laboratories, Incorporated Digital automatic gain control circuit
JPS5752741A (en) * 1980-09-12 1982-03-29 Toshiba Corp Liquid heating apparatus
FR2520952A1 (fr) 1982-02-03 1983-08-05 Trt Telecom Radio Electr Dispositif de controle automatique de gain (cag) a action rapide
JPS6027234A (ja) * 1983-07-22 1985-02-12 Nec Corp 受信機
FR2576472B1 (fr) * 1985-01-22 1988-02-12 Alcatel Thomson Faisceaux Procede et dispositif de commande automatique de gain d'un recepteur en acces multiple a repartition temporelle
DK163699C (da) * 1986-02-11 1992-08-17 Poul Richter Joergensen Fremgangsmaade til automatisk forstaerkningsstyring af et signal samt et kredsloeb til udoevelse af fremgangsmaaden
US4696027A (en) * 1986-08-01 1987-09-22 Motorola, Inc. Handoff apparatus and method with interference reduction for a radio system
IE64560B1 (en) * 1988-11-30 1995-08-23 Motorola Inc Digital automatic gain control

Also Published As

Publication number Publication date
FI107089B (fi) 2001-05-31
WO1991017606A1 (en) 1991-11-14
AU7689591A (en) 1991-11-27
JP2586214B2 (ja) 1997-02-26
EP0484476A4 (en) 1993-02-24
FI916141A0 (fi) 1991-12-27
EP0484476A1 (en) 1992-05-13
AU635134B2 (en) 1993-03-11
CA2062776A1 (en) 1991-10-28
CA2062776C (en) 1996-06-04
KR920702803A (ko) 1992-10-06
KR950009559B1 (ko) 1995-08-24
JPH04507182A (ja) 1992-12-10

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Legal Events

Date Code Title Description
EG Technical examination (opinion): publication of technical examination (opinion)
FB19 Grant procedure suspended (art. 19)
HKEG Application refused (deleted)
FF Decision: intention to grant
FA11 Dismissal: dismissal - article 38, par. 2 of industrial property law