DE69028077T2 - Automatische Verstärkerschaltung - Google Patents

Automatische Verstärkerschaltung

Info

Publication number
DE69028077T2
DE69028077T2 DE69028077T DE69028077T DE69028077T2 DE 69028077 T2 DE69028077 T2 DE 69028077T2 DE 69028077 T DE69028077 T DE 69028077T DE 69028077 T DE69028077 T DE 69028077T DE 69028077 T2 DE69028077 T2 DE 69028077T2
Authority
DE
Germany
Prior art keywords
amplifier circuit
automatic amplifier
automatic
circuit
amplifier
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 - Fee Related
Application number
DE69028077T
Other languages
English (en)
Other versions
DE69028077D1 (de
Inventor
Hizuru Nawata
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE69028077D1 publication Critical patent/DE69028077D1/de
Publication of DE69028077T2 publication Critical patent/DE69028077T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H03G3/3078—Circuits generating control signals for digitally modulated signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
DE69028077T 1989-11-21 1990-11-20 Automatische Verstärkerschaltung Expired - Fee Related DE69028077T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1300889A JPH0812979B2 (ja) 1989-11-21 1989-11-21 自動利得制御装置

Publications (2)

Publication Number Publication Date
DE69028077D1 DE69028077D1 (de) 1996-09-19
DE69028077T2 true DE69028077T2 (de) 1996-12-19

Family

ID=17890345

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69028077T Expired - Fee Related DE69028077T2 (de) 1989-11-21 1990-11-20 Automatische Verstärkerschaltung

Country Status (6)

Country Link
US (1) US5050192A (de)
EP (1) EP0430034B1 (de)
JP (1) JPH0812979B2 (de)
AU (1) AU630053B2 (de)
CA (1) CA2030355C (de)
DE (1) DE69028077T2 (de)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970000793B1 (ko) * 1991-01-16 1997-01-20 모토로라 인코포레이티드 수신기 버스트 신호의 진폭제어
US5184349A (en) * 1991-01-16 1993-02-02 Motorola, Inc. Amplitude control of a burst signal in a receiver
JPH056943U (ja) * 1991-02-28 1993-01-29 株式会社東芝 ゲインコントロール回路
JP2730347B2 (ja) * 1991-10-09 1998-03-25 松下電器産業株式会社 受信機の自動利得制御方法
EP0547832B1 (de) * 1991-12-18 1997-06-25 Texas Instruments Incorporated System zur Dynamikerhöhung eines Empfängers
US5347537A (en) * 1992-03-17 1994-09-13 Clarion Co., Ltd. Spread spectrum communication device
JP3254733B2 (ja) * 1992-06-16 2002-02-12 松下電器産業株式会社 自動利得制御回路
US5369533A (en) * 1992-12-30 1994-11-29 International Business Machines Corporation Data storage device having different storage densities for differing types of data
US5408695A (en) * 1992-12-31 1995-04-18 Coded Communications Corporation Intelligent automatic deviation compensation for wireless modems
AU673390B2 (en) * 1993-01-20 1996-11-07 Nec Corporation An AGC circuit for burst signal
JPH06244889A (ja) * 1993-02-15 1994-09-02 Fujitsu Ltd モデム復調部用受信レベル調整回路
CA2199815C (en) * 1994-09-12 2001-07-24 Catherine W. Jelinek Cable television apparatus employing two-way communication
US5568518A (en) * 1994-09-14 1996-10-22 Ericsson Ge Mobile Communications Inc. Fast automatic gain control
US5563916A (en) * 1995-06-05 1996-10-08 Hitachi America, Ltd. Apparatus and method for varying the slew rate of a digital automatic gain control circuit
GB2314705B (en) * 1996-06-25 2000-06-28 Nec Technologies Frequency hopping communications receivers
JP2993558B2 (ja) * 1996-10-23 1999-12-20 日本電気株式会社 受信機
KR100208942B1 (ko) * 1997-01-20 1999-07-15 윤종용 부호분할다중접속 통신시스템의 수신신호 전력레벨 추적장치 및 방법
US6148048A (en) * 1997-09-26 2000-11-14 Cirrus Logic, Inc. Receive path implementation for an intermediate frequency transceiver
JP3185872B2 (ja) * 1998-05-21 2001-07-11 日本電気株式会社 自動利得制御回路
US7221921B2 (en) 1998-05-29 2007-05-22 Silicon Laboratories Partitioning of radio-frequency apparatus
US6804497B2 (en) * 2001-01-12 2004-10-12 Silicon Laboratories, Inc. Partitioned radio-frequency apparatus and associated methods
US7035607B2 (en) 1998-05-29 2006-04-25 Silicon Laboratories Inc. Systems and methods for providing an adjustable reference signal to RF circuitry
US7228109B2 (en) * 2001-01-12 2007-06-05 Silicon Laboratories Inc. DC offset reduction in radio-frequency apparatus and associated methods
US7242912B2 (en) 1998-05-29 2007-07-10 Silicon Laboratories Inc. Partitioning of radio-frequency apparatus
US6970717B2 (en) * 2001-01-12 2005-11-29 Silicon Laboratories Inc. Digital architecture for radio-frequency apparatus and associated methods
US7092675B2 (en) * 1998-05-29 2006-08-15 Silicon Laboratories Apparatus and methods for generating radio frequencies in communication circuitry using multiple control signals
US7024221B2 (en) * 2001-01-12 2006-04-04 Silicon Laboratories Inc. Notch filter for DC offset reduction in radio-frequency apparatus and associated methods
US6993314B2 (en) 1998-05-29 2006-01-31 Silicon Laboratories Inc. Apparatus for generating multiple radio frequencies in communication circuitry and associated methods
JP2001024454A (ja) * 1999-07-07 2001-01-26 Matsushita Electric Ind Co Ltd 自動利得制御装置及び方法、並びに自動利得制御機能を持った無線通信装置
JP2001077714A (ja) * 1999-09-03 2001-03-23 Matsushita Electric Ind Co Ltd 無線受信機、無線受信方法および記録媒体
US20010048727A1 (en) * 2000-01-10 2001-12-06 Schmutz Thomas R. Method and apparatus for automatic gain control on a time slot by time slot basis
US6903617B2 (en) 2000-05-25 2005-06-07 Silicon Laboratories Inc. Method and apparatus for synthesizing high-frequency signals for wireless communications
US7035611B2 (en) * 2001-01-12 2006-04-25 Silicon Laboratories Inc. Apparatus and method for front-end circuitry in radio-frequency apparatus
US7177610B2 (en) * 2001-01-12 2007-02-13 Silicon Laboratories Inc. Calibrated low-noise current and voltage references and associated methods
US20030232613A1 (en) * 2001-01-12 2003-12-18 Kerth Donald A. Quadrature signal generation in radio-frequency apparatus and associated methods
US7031683B2 (en) * 2001-01-12 2006-04-18 Silicon Laboratories Inc. Apparatus and methods for calibrating signal-processing circuitry
US7158574B2 (en) * 2001-01-12 2007-01-02 Silicon Laboratories Inc. Digital interface in radio-frequency apparatus and associated methods
US7138858B2 (en) 2001-01-12 2006-11-21 Silicon Laboratories, Inc. Apparatus and methods for output buffer circuitry with constant output power in radio-frequency circuitry
KR101031735B1 (ko) * 2002-03-15 2011-04-29 실리콘 래버래토리즈 인코포레이티드 무선주파수장치 및 관련 방법
US7443455B2 (en) * 2003-12-30 2008-10-28 Texas Instruments Incorporated Automatic gain control based on multiple input references in a video decoder
EP2096754B1 (de) 2006-12-21 2011-10-26 Mitsubishi Electric Corporation Optische empfänger

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3958213A (en) * 1975-01-03 1976-05-18 Gte Sylvania Incorporated Adaptive gain control and method for signal processor
JPS568916A (en) * 1979-07-04 1981-01-29 Fujitsu Ltd Unique word detecting circuit
FR2520952A1 (fr) * 1982-02-03 1983-08-05 Trt Telecom Radio Electr Dispositif de controle automatique de gain (cag) a action rapide
JPS6094513A (ja) * 1983-10-28 1985-05-27 Victor Co Of Japan Ltd 音量調整装置
US4625240A (en) * 1984-07-25 1986-11-25 Eeco, Inc. Adaptive automatic gain control
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
JPH063894B2 (ja) * 1985-12-14 1994-01-12 日本電気株式会社 非同期デ−タ変換回路
US4852126A (en) * 1986-02-07 1989-07-25 Matsushita Electric Industrial Co., Ltd. Digital information reproducing apparatus
JPS62216511A (ja) * 1986-03-18 1987-09-24 Nec Corp 自動利得制御装置
US4864244A (en) * 1987-09-21 1989-09-05 Nec Corporation Stepped square-QAM demodulator utilizing all signal points to generate control signals
US4989074A (en) * 1988-09-27 1991-01-29 Matsushita Electric Industrial Co., Ltd. Digital automatic gain control apparatus

Also Published As

Publication number Publication date
AU6682190A (en) 1991-05-30
JPH0812979B2 (ja) 1996-02-07
US5050192A (en) 1991-09-17
JPH03162115A (ja) 1991-07-12
DE69028077D1 (de) 1996-09-19
CA2030355A1 (en) 1991-05-22
EP0430034A3 (en) 1991-10-16
CA2030355C (en) 1994-01-11
EP0430034A2 (de) 1991-06-05
AU630053B2 (en) 1992-10-15
EP0430034B1 (de) 1996-08-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee