AU1643197A – Variable-gain control
– Google Patents
AU1643197A – Variable-gain control
– Google Patents
Variable-gain control
Info
Publication number
AU1643197A
AU1643197A
AU16431/97A
AU1643197A
AU1643197A
AU 1643197 A
AU1643197 A
AU 1643197A
AU 16431/97 A
AU16431/97 A
AU 16431/97A
AU 1643197 A
AU1643197 A
AU 1643197A
AU 1643197 A
AU1643197 A
AU 1643197A
Authority
AU
Australia
Prior art keywords
variable
gain control
gain
control
Prior art date
1996-03-21
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.)
Granted
Application number
AU16431/97A
Other versions
AU727017B2
(en
Inventor
Soichi Tsumura
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
Nippon Electric Co Ltd
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.)
1996-03-21
Filing date
1997-03-21
Publication date
1997-09-25
1997-03-21
Application filed by Nippon Electric Co Ltd
filed
Critical
Nippon Electric Co Ltd
1997-09-25
Publication of AU1643197A
publication
Critical
patent/AU1643197A/en
2000-11-30
Application granted
granted
Critical
2000-11-30
Publication of AU727017B2
publication
Critical
patent/AU727017B2/en
2017-03-21
Anticipated expiration
legal-status
Critical
Status
Ceased
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
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
H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
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
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
H04R2225/43—Signal processing in hearing aids to enhance the speech intelligibility
AU16431/97A
1996-03-21
1997-03-21
Variable-gain control
Ceased
AU727017B2
(en)
Applications Claiming Priority (2)
Application Number
Priority Date
Filing Date
Title
JP8-64193
1996-03-21
JP6419396A
JP2996170B2
(en)
1996-03-21
1996-03-21
Gain control circuit
Publications (2)
Publication Number
Publication Date
AU1643197A
true
AU1643197A
(en)
1997-09-25
AU727017B2
AU727017B2
(en)
2000-11-30
Family
ID=13250996
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
AU16431/97A
Ceased
AU727017B2
(en)
1996-03-21
1997-03-21
Variable-gain control
Country Status (6)
Country
Link
US
(1)
US6075978A
(en)
EP
(1)
EP0797299A3
(en)
JP
(1)
JP2996170B2
(en)
KR
(1)
KR100292907B1
(en)
AU
(1)
AU727017B2
(en)
CA
(1)
CA2200530A1
(en)
Families Citing this family (24)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
JPH11136154A
(en)
*
1997-10-31
1999-05-21
Sony Corp
Receiver
JP3562967B2
(en)
1998-08-06
2004-09-08
アルプス電気株式会社
QPSK modulated signal receiving unit
JP2000068769A
(en)
*
1998-08-18
2000-03-03
Fujitsu Ltd
Signal processor
JP2000196521A
(en)
*
1998-12-25
2000-07-14
Matsushita Electric Ind Co Ltd
Radio communication unit and transmission power control method for the radio communication unit
US6341219B1
(en)
*
1999-02-05
2002-01-22
Agere Systems Guardian Corp.
Single-source automatic power control method and apparatus for frequency-diverse variable-gain stages of a CDMA cellular handset
JP2001136038A
(en)
*
1999-11-01
2001-05-18
Nec Corp
Gain variable amplifier
US6721368B1
(en)
*
2000-03-04
2004-04-13
Qualcomm Incorporated
Transmitter architectures for communications systems
US6934522B2
(en)
2000-06-26
2005-08-23
Matsushita Electric Industrial Co., Ltd.
Automatic gain control apparatus
JP3479835B2
(en)
*
2000-09-13
2003-12-15
日本電気株式会社
Baseband gain control method and baseband gain control circuit
FR2824986B1
(en)
*
2001-05-18
2003-10-31
St Microelectronics Sa
ELECTRONIC COMPONENT FOR THE DECODING OF A RADIO FREQUENCY TRANSMISSION CHANNEL CARRYING ENCODED DIGITAL INFORMATION, PARTICULARLY FOR DIGITAL SATELLITE BROADCASTING
US6914481B2
(en)
2001-11-26
2005-07-05
Matsushita Electric Industrial Co., Ltd.
High frequency power amplifier apparatus and power amplifier module use the same
US7294567B2
(en)
*
2002-03-11
2007-11-13
Micron Technology, Inc.
Semiconductor contact device and method
US20040097209A1
(en)
*
2002-11-14
2004-05-20
Haub David R.
Automatic gain control apparatus and methods
JP2006523990A
(en)
*
2003-04-17
2006-10-19
コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ
Front-end sensitivity booster
WO2004098052A1
(en)
*
2003-04-29
2004-11-11
Koninklijke Philips Electronics N. V.
Receiver circuit with adjustable if amplifier gain
JP2007500989A
(en)
*
2003-05-27
2007-01-18
コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ
Channel selector with automatic gain control
US7505748B2
(en)
*
2005-09-28
2009-03-17
Freescale Semicondductor, Inc.
Linear voltage controlled variable attenuator with linear DB/V gain slope
JP2007096958A
(en)
*
2005-09-29
2007-04-12
Sharp Corp
Agc circuit and high frequency receiving apparatus equipped with it
US7929650B2
(en)
*
2005-10-18
2011-04-19
Freescale Semiconductor, Inc.
AGC for narrowband receivers
US7953191B2
(en)
*
2005-12-28
2011-05-31
Thomson Licensing
Gain control method and device for a bursty data frame reception system
JP2007329644A
(en)
*
2006-06-07
2007-12-20
Fujitsu Ltd
Radio equipment and control method therefor
JP2011501529A
(en)
*
2007-10-10
2011-01-06
マックス リニアー、インコーポレイテッド
Gain distribution at the receiver
JP5075605B2
(en)
*
2007-12-13
2012-11-21
株式会社東芝
Receiver
US8588348B2
(en)
*
2009-07-10
2013-11-19
Freescale Semiconductor, Inc.
Receiver with automatic gain control
Family Cites Families (18)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
JPS5238823A
(en)
*
1975-09-22
1977-03-25
Sanyo Electric Co Ltd
Agc circuit of television receiver
JPS5242322A
(en)
*
1975-09-30
1977-04-01
Sanyo Electric Co Ltd
Agc circuit for tv receiver
JPS5270733A
(en)
*
1975-12-09
1977-06-13
Matsushita Electric Ind Co Ltd
Tv receiver
JPS53115116A
(en)
*
1977-03-18
1978-10-07
Japan Radio Co Ltd
A3 or a3h system radio transmitter carrier power automatic controlling system
JPS5787244A
(en)
*
1980-11-19
1982-05-31
Toshiba Corp
Wide band television tuner
US4370520A
(en)
*
1981-05-26
1983-01-25
Rca Corporation
AM Stereo receiver
US4456889A
(en)
*
1981-06-04
1984-06-26
The United States Of America As Represented By The Secretary Of The Navy
Dual-gate MESFET variable gain constant output power amplifier
JPS5922415A
(en)
*
1982-07-28
1984-02-04
Fujitsu Ten Ltd
Automatic gain control circuit
JPS61133713A
(en)
*
1984-12-03
1986-06-21
Nec Corp
Agc device
JPS62264778A
(en)
*
1986-05-12
1987-11-17
Toshiba Corp
Agc circuit
JPH01129620A
(en)
*
1987-11-16
1989-05-22
Sanyo Electric Co Ltd
Radio receiver
US5001776A
(en)
*
1988-10-27
1991-03-19
Motorola Inc.
Communication system with adaptive transceivers to control intermodulation distortion
US4977381A
(en)
*
1989-06-05
1990-12-11
Motorola, Inc.
Differential relaxation oscillator
US5307512A
(en)
*
1991-06-03
1994-04-26
Motorola, Inc.
Power control circuitry for achieving wide dynamic range in a transmitter
JPH0514088A
(en)
*
1991-06-27
1993-01-22
Sanyo Electric Co Ltd
Agc circuit
JP3254733B2
(en)
*
1992-06-16
2002-02-12
松下電器産業株式会社
Automatic gain control circuit
US5590418A
(en)
*
1993-09-30
1996-12-31
Motorola, Inc.
Method and apparatus for stabilizing the gain of a control loop in a communication device
GB9508592D0
(en)
*
1995-04-27
1995-06-14
Rca Thomson Licensing Corp
Rf filter and agc circuit
1996
1996-03-21
JP
JP6419396A
patent/JP2996170B2/en
not_active
Expired – Fee Related
1997
1997-03-20
CA
CA002200530A
patent/CA2200530A1/en
not_active
Abandoned
1997-03-21
US
US08/821,470
patent/US6075978A/en
not_active
Expired – Fee Related
1997-03-21
EP
EP97301914A
patent/EP0797299A3/en
not_active
Withdrawn
1997-03-21
KR
KR1019970009875A
patent/KR100292907B1/en
not_active
IP Right Cessation
1997-03-21
AU
AU16431/97A
patent/AU727017B2/en
not_active
Ceased
Also Published As
Publication number
Publication date
JP2996170B2
(en)
1999-12-27
EP0797299A2
(en)
1997-09-24
CA2200530A1
(en)
1997-09-21
US6075978A
(en)
2000-06-13
AU727017B2
(en)
2000-11-30
KR970068141A
(en)
1997-10-13
EP0797299A3
(en)
1999-02-17
JPH09260982A
(en)
1997-10-03
KR100292907B1
(en)
2001-06-15
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Legal Events
Date
Code
Title
Description
2001-03-29
FGA
Letters patent sealed or granted (standard patent)
2004-11-04
MK14
Patent ceased section 143(a) (annual fees not paid) or expired
