DE3683967D1 - Impedanz-anpassungsschaltung. - Google Patents

Impedanz-anpassungsschaltung.

Info

Publication number
DE3683967D1
DE3683967D1 DE8686304833T DE3683967T DE3683967D1 DE 3683967 D1 DE3683967 D1 DE 3683967D1 DE 8686304833 T DE8686304833 T DE 8686304833T DE 3683967 T DE3683967 T DE 3683967T DE 3683967 D1 DE3683967 D1 DE 3683967D1
Authority
DE
Germany
Prior art keywords
frequency
impedance
adjustment circuit
impedance adjustment
impedance mismatch
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
DE8686304833T
Other languages
English (en)
Inventor
Malcolm John Deacon
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.)
BAE Systems Electronics Ltd
Original Assignee
GEC Marconi Ltd
Marconi 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.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26289561&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3683967(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by GEC Marconi Ltd, Marconi Co Ltd filed Critical GEC Marconi Ltd
Application granted granted Critical
Publication of DE3683967D1 publication Critical patent/DE3683967D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0458—Arrangements for matching and coupling between power amplifier and antenna or between amplifying stages
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/38—Impedance-matching networks
    • H03H7/40—Automatic matching of load impedance to source impedance

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Transceivers (AREA)
  • Electrotherapy Devices (AREA)
  • Surgical Instruments (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Networks Using Active Elements (AREA)
DE8686304833T 1985-07-26 1986-06-24 Impedanz-anpassungsschaltung. Expired - Fee Related DE3683967D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8518967 1985-07-26
GB8530158A GB2178616B (en) 1985-07-26 1985-12-06 Impedance matching arrangement

Publications (1)

Publication Number Publication Date
DE3683967D1 true DE3683967D1 (de) 1992-04-02

Family

ID=26289561

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686304833T Expired - Fee Related DE3683967D1 (de) 1985-07-26 1986-06-24 Impedanz-anpassungsschaltung.

Country Status (5)

Country Link
US (1) US4799066A (de)
EP (1) EP0210746B2 (de)
AT (1) ATE72914T1 (de)
DE (1) DE3683967D1 (de)
GB (1) GB2178616B (de)

Families Citing this family (104)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4109816C1 (de) * 1991-03-26 1992-06-04 Rohde & Schwarz Gmbh & Co Kg, 8000 Muenchen, De
DE4128167C2 (de) * 1991-08-24 2001-12-06 Daimlerchrysler Aerospace Ag Verfahren zur Steuerung der Kanalumschaltung in einem nach dem Frequenz-Hopping-Verfahren arbeitenden Funkgerät
US5386194A (en) * 1991-10-18 1995-01-31 Harris Corporation Digital impedance determination using peak detection of current and voltage samplers
SE500713C2 (sv) * 1992-12-23 1994-08-15 Ericsson Telefon Ab L M Förfarande och anordning för maximering av selektiviteten vid sammankoppling av komponenter
GB2289989B (en) * 1994-05-25 1999-01-06 Nokia Mobile Phones Ltd Adaptive antenna matching
FR2722339B1 (fr) 1994-07-06 1996-10-04 Tech D Applic & De Rech Electr Antenne demi-boucle a accord automatique rapide
EP0747995A3 (de) * 1995-06-09 1997-10-22 Siemens Schweiz Ag Datenübertragungsverfahren und Antennensystem insbesondere für verkehrstechnische Kommunikationssysteme sowie Schaltungsanordnung
US6393264B1 (en) * 1995-09-15 2002-05-21 Siemens Aktiengesellschaft Radio terminal apparatus
US5874926A (en) * 1996-03-11 1999-02-23 Murata Mfg Co. Ltd Matching circuit and antenna apparatus
US6362737B1 (en) 1998-06-02 2002-03-26 Rf Code, Inc. Object Identification system with adaptive transceivers and methods of operation
JPH1075192A (ja) * 1996-08-30 1998-03-17 Matsushita Electric Ind Co Ltd アンテナ装置
EP0976204B1 (de) * 1998-02-17 2005-11-30 Koninklijke Philips Electronics N.V. Sende/empfangsstation mit impedanzangepassten empfangsmitteln für transponderantwortsignale
US6150994A (en) * 1998-09-25 2000-11-21 Centurion Intl., Inc. Antenna for personal mobile communications or locating equipment
US6724890B1 (en) * 1998-11-24 2004-04-20 Premisenet Incorporated Adaptive transmission line impedance matching device and method
JP4342074B2 (ja) 2000-03-22 2009-10-14 パナソニック株式会社 アンテナ装置
GB2380638B (en) 2000-05-22 2004-05-12 Avery Dennison Corp Trackable files and systems for using the same
AU2001276986A1 (en) 2000-07-20 2002-02-05 Paratek Microwave, Inc. Tunable microwave devices with auto-adjusting matching circuit
US8064188B2 (en) 2000-07-20 2011-11-22 Paratek Microwave, Inc. Optimized thin film capacitors
US7865154B2 (en) * 2000-07-20 2011-01-04 Paratek Microwave, Inc. Tunable microwave devices with auto-adjusting matching circuit
US8744384B2 (en) 2000-07-20 2014-06-03 Blackberry Limited Tunable microwave devices with auto-adjusting matching circuit
US7142811B2 (en) * 2001-03-16 2006-11-28 Aura Communications Technology, Inc. Wireless communication over a transducer device
US7394430B2 (en) * 2001-04-11 2008-07-01 Kyocera Wireless Corp. Wireless device reconfigurable radiation desensitivity bracket systems and methods
US7164329B2 (en) 2001-04-11 2007-01-16 Kyocera Wireless Corp. Tunable phase shifer with a control signal generator responsive to DC offset in a mixed signal
US7174147B2 (en) * 2001-04-11 2007-02-06 Kyocera Wireless Corp. Bandpass filter with tunable resonator
US7154440B2 (en) * 2001-04-11 2006-12-26 Kyocera Wireless Corp. Phase array antenna using a constant-gain phase shifter
US7746292B2 (en) * 2001-04-11 2010-06-29 Kyocera Wireless Corp. Reconfigurable radiation desensitivity bracket systems and methods
JP2004530360A (ja) * 2001-04-11 2004-09-30 キョウセラ ワイヤレス コーポレイション チューナブルマルチプレクサ
US6937195B2 (en) 2001-04-11 2005-08-30 Kyocera Wireless Corp. Inverted-F ferroelectric antenna
US7221243B2 (en) * 2001-04-11 2007-05-22 Kyocera Wireless Corp. Apparatus and method for combining electrical signals
US6690251B2 (en) 2001-04-11 2004-02-10 Kyocera Wireless Corporation Tunable ferro-electric filter
US6400336B1 (en) * 2001-05-23 2002-06-04 Sierra Wireless, Inc. Tunable dual band antenna system
US7071776B2 (en) * 2001-10-22 2006-07-04 Kyocera Wireless Corp. Systems and methods for controlling output power in a communication device
US7180467B2 (en) 2002-02-12 2007-02-20 Kyocera Wireless Corp. System and method for dual-band antenna matching
US7184727B2 (en) * 2002-02-12 2007-02-27 Kyocera Wireless Corp. Full-duplex antenna system and method
US7176845B2 (en) * 2002-02-12 2007-02-13 Kyocera Wireless Corp. System and method for impedance matching an antenna to sub-bands in a communication band
JP4048841B2 (ja) * 2002-06-05 2008-02-20 日本電気株式会社 可変型アンテナ整合回路
US6993297B2 (en) * 2002-07-12 2006-01-31 Sony Ericsson Mobile Communications Ab Apparatus and methods for tuning antenna impedance using transmitter and receiver parameters
US7720443B2 (en) * 2003-06-02 2010-05-18 Kyocera Wireless Corp. System and method for filtering time division multiple access telephone communications
US7248845B2 (en) * 2004-07-09 2007-07-24 Kyocera Wireless Corp. Variable-loss transmitter and method of operation
US20060080414A1 (en) * 2004-07-12 2006-04-13 Dedicated Devices, Inc. System and method for managed installation of a computer network
CA2575087A1 (en) * 2004-07-26 2006-02-23 Kyocera Wireless Corp. Full-duplex antenna system and method
US7592961B2 (en) * 2005-10-21 2009-09-22 Sanimina-Sci Corporation Self-tuning radio frequency identification antenna system
US9406444B2 (en) 2005-11-14 2016-08-02 Blackberry Limited Thin film capacitors
US7548762B2 (en) * 2005-11-30 2009-06-16 Kyocera Corporation Method for tuning a GPS antenna matching network
US8325097B2 (en) * 2006-01-14 2012-12-04 Research In Motion Rf, Inc. Adaptively tunable antennas and method of operation therefore
US8125399B2 (en) 2006-01-14 2012-02-28 Paratek Microwave, Inc. Adaptively tunable antennas incorporating an external probe to monitor radiated power
US7711337B2 (en) 2006-01-14 2010-05-04 Paratek Microwave, Inc. Adaptive impedance matching module (AIMM) control architectures
KR100992853B1 (ko) * 2006-03-06 2010-11-09 삼성전자주식회사 방송신호처리장치 및 그 제어방법
US7647035B2 (en) * 2006-09-15 2010-01-12 Broadcom Corporation RF transceiver with undesired signal rejection and methods for use therewith
US7848386B2 (en) * 2006-09-22 2010-12-07 Broadcom Corporation Frequency hopping RF transceiver with programmable antenna and methods for use therewith
US7639199B2 (en) * 2006-09-22 2009-12-29 Broadcom Corporation Programmable antenna with programmable impedance matching and methods for use therewith
US20080076476A1 (en) * 2006-09-22 2008-03-27 Broadcom Corporation, A California Corporation RF transceiver with a plurality of programmable antennas and methods for use therewith
US20080076354A1 (en) * 2006-09-26 2008-03-27 Broadcom Corporation, A California Corporation Cable modem with programmable antenna and methods for use therewith
US20080123568A1 (en) * 2006-09-26 2008-05-29 Broadcom Corporation, A California Corporation Cable modem with wireless voice-over-IP phone and methods for use therewith
US8299867B2 (en) * 2006-11-08 2012-10-30 Research In Motion Rf, Inc. Adaptive impedance matching module
US7535312B2 (en) 2006-11-08 2009-05-19 Paratek Microwave, Inc. Adaptive impedance matching apparatus, system and method with improved dynamic range
US7714676B2 (en) * 2006-11-08 2010-05-11 Paratek Microwave, Inc. Adaptive impedance matching apparatus, system and method
US20080129610A1 (en) * 2006-12-01 2008-06-05 Texas Instruments Incorporated Adaptive antenna matching for portable radio operating at VHF with single-chip based implementation
US7813777B2 (en) * 2006-12-12 2010-10-12 Paratek Microwave, Inc. Antenna tuner with zero volts impedance fold back
WO2008094118A1 (en) * 2007-01-30 2008-08-07 Aerocrine Ab Method and device for testing the measuring function of a measuring device
US7917104B2 (en) * 2007-04-23 2011-03-29 Paratek Microwave, Inc. Techniques for improved adaptive impedance matching
US8213886B2 (en) 2007-05-07 2012-07-03 Paratek Microwave, Inc. Hybrid techniques for antenna retuning utilizing transmit and receive power information
US7991363B2 (en) 2007-11-14 2011-08-02 Paratek Microwave, Inc. Tuning matching circuits for transmitter and receiver bands as a function of transmitter metrics
US20090149136A1 (en) * 2007-12-05 2009-06-11 Broadcom Corporation Terminal with Programmable Antenna and Methods for use Therewith
US8855554B2 (en) 2008-03-05 2014-10-07 Qualcomm Incorporated Packaging and details of a wireless power device
US8213885B2 (en) * 2008-04-11 2012-07-03 Nautel Limited Impedance measurement in an active radio frequency transmitter
CN105471123A (zh) 2008-04-21 2016-04-06 高通股份有限公司 无线功率传送系统及方法
US8072285B2 (en) 2008-09-24 2011-12-06 Paratek Microwave, Inc. Methods for tuning an adaptive impedance matching network with a look-up table
US8067858B2 (en) * 2008-10-14 2011-11-29 Paratek Microwave, Inc. Low-distortion voltage variable capacitor assemblies
US8497658B2 (en) 2009-01-22 2013-07-30 Qualcomm Incorporated Adaptive power control for wireless charging of devices
KR101086569B1 (ko) 2009-08-13 2011-11-23 엘지이노텍 주식회사 적응형 튜닝 안테나 회로의 임피던스 조절장치
US8472888B2 (en) 2009-08-25 2013-06-25 Research In Motion Rf, Inc. Method and apparatus for calibrating a communication device
US9026062B2 (en) 2009-10-10 2015-05-05 Blackberry Limited Method and apparatus for managing operations of a communication device
US8803631B2 (en) 2010-03-22 2014-08-12 Blackberry Limited Method and apparatus for adapting a variable impedance network
US8860525B2 (en) 2010-04-20 2014-10-14 Blackberry Limited Method and apparatus for managing interference in a communication device
TWI407691B (zh) * 2010-08-24 2013-09-01 Htc Corp 天線模組及其阻抗匹配方法
US9379454B2 (en) 2010-11-08 2016-06-28 Blackberry Limited Method and apparatus for tuning antennas in a communication device
US8391806B2 (en) 2011-01-04 2013-03-05 Research In Motion Limited Wireless communications device with an adjustable impedance matching network and associated methods
EP2472728B1 (de) * 2011-01-04 2013-11-27 BlackBerry Limited Drahtlose Kommunikationsvorrichtung mit einem einstellbaren Impedanzanpassungsnetzwerk und zugehörige Verfahren
US8712340B2 (en) 2011-02-18 2014-04-29 Blackberry Limited Method and apparatus for radio antenna frequency tuning
US8655286B2 (en) 2011-02-25 2014-02-18 Blackberry Limited Method and apparatus for tuning a communication device
US8626083B2 (en) 2011-05-16 2014-01-07 Blackberry Limited Method and apparatus for tuning a communication device
US8594584B2 (en) 2011-05-16 2013-11-26 Blackberry Limited Method and apparatus for tuning a communication device
EP2740221B1 (de) 2011-08-05 2019-06-26 BlackBerry Limited Verfahren und vorrichtung zur frequenzbandabstimmung bei einer kommunikationsvorrichtung
US8948889B2 (en) 2012-06-01 2015-02-03 Blackberry Limited Methods and apparatus for tuning circuit components of a communication device
US9853363B2 (en) 2012-07-06 2017-12-26 Blackberry Limited Methods and apparatus to control mutual coupling between antennas
US9246223B2 (en) 2012-07-17 2016-01-26 Blackberry Limited Antenna tuning for multiband operation
US9350405B2 (en) 2012-07-19 2016-05-24 Blackberry Limited Method and apparatus for antenna tuning and power consumption management in a communication device
US9413066B2 (en) 2012-07-19 2016-08-09 Blackberry Limited Method and apparatus for beam forming and antenna tuning in a communication device
US9362891B2 (en) 2012-07-26 2016-06-07 Blackberry Limited Methods and apparatus for tuning a communication device
US10404295B2 (en) 2012-12-21 2019-09-03 Blackberry Limited Method and apparatus for adjusting the timing of radio antenna tuning
US9374113B2 (en) 2012-12-21 2016-06-21 Blackberry Limited Method and apparatus for adjusting the timing of radio antenna tuning
US9438319B2 (en) 2014-12-16 2016-09-06 Blackberry Limited Method and apparatus for antenna selection
US11769949B2 (en) 2016-08-29 2023-09-26 Silicon Laboratories Inc. Apparatus with partitioned radio frequency antenna and matching network and associated methods
US11894622B2 (en) 2016-08-29 2024-02-06 Silicon Laboratories Inc. Antenna structure with double-slotted loop and associated methods
US11764749B2 (en) 2016-08-29 2023-09-19 Silicon Laboratories Inc. Apparatus with partitioned radio frequency antenna and matching network and associated methods
US11749893B2 (en) 2016-08-29 2023-09-05 Silicon Laboratories Inc. Apparatus for antenna impedance-matching and associated methods
US11764473B2 (en) 2016-08-29 2023-09-19 Silicon Laboratories Inc. Apparatus with partitioned radio frequency antenna and matching network and associated methods
US11894621B2 (en) 2017-12-18 2024-02-06 Silicon Laboratories Inc. Radio-frequency apparatus with multi-band balun with improved performance and associated methods
US11894826B2 (en) 2017-12-18 2024-02-06 Silicon Laboratories Inc. Radio-frequency apparatus with multi-band balun and associated methods
US11916514B2 (en) 2017-11-27 2024-02-27 Silicon Laboratories Inc. Radio-frequency apparatus with multi-band wideband balun and associated methods
US11750167B2 (en) 2017-11-27 2023-09-05 Silicon Laboratories Inc. Apparatus for radio-frequency matching networks and associated methods
TWI819324B (zh) * 2021-06-25 2023-10-21 瑞昱半導體股份有限公司 具有迴授校正機制的通訊裝置
US11862872B2 (en) 2021-09-30 2024-01-02 Silicon Laboratories Inc. Apparatus for antenna optimization and associated methods

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2910655A (en) * 1958-10-09 1959-10-27 Collins Radio Co Automatic antenna coupler
US3160832A (en) * 1961-12-22 1964-12-08 Collins Radio Co Automatic coupling and impedance matching network
FR2298903A1 (fr) * 1975-01-22 1976-08-20 Thomson Csf Dispositif d'adaptation d'antenne et antenne munie d'un tel dispositif
FR2346901A1 (fr) * 1976-04-02 1977-10-28 Alliance Tech Ind Dispositif pour accorder en frequence une antenne radio
US4085405A (en) * 1976-11-09 1978-04-18 Mhz Enterprises, Inc. Antenna matching network
US4493112A (en) * 1981-11-19 1985-01-08 Rockwell International Corporation Antenna tuner discriminator
JPS5950619A (ja) * 1982-09-16 1984-03-23 Yaesu Musen Co Ltd アンテナ回路自動整合方式
US4612669A (en) * 1985-04-30 1986-09-16 Rca Corporation Antenna matching system

Also Published As

Publication number Publication date
EP0210746A2 (de) 1987-02-04
GB2178616A (en) 1987-02-11
US4799066A (en) 1989-01-17
EP0210746B2 (de) 1995-07-05
EP0210746A3 (en) 1987-11-11
EP0210746B1 (de) 1992-02-26
GB2178616B (en) 1989-04-26
ATE72914T1 (de) 1992-03-15
GB8530158D0 (en) 1986-02-12

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8339 Ceased/non-payment of the annual fee