DE69504711D1 - Verfahren zur Abstimmung für automatische Antennenkoppler - Google Patents

Verfahren zur Abstimmung für automatische Antennenkoppler

Info

Publication number
DE69504711D1
DE69504711D1 DE69504711T DE69504711T DE69504711D1 DE 69504711 D1 DE69504711 D1 DE 69504711D1 DE 69504711 T DE69504711 T DE 69504711T DE 69504711 T DE69504711 T DE 69504711T DE 69504711 D1 DE69504711 D1 DE 69504711D1
Authority
DE
Germany
Prior art keywords
tuning procedure
automatic antenna
antenna couplers
couplers
automatic
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
DE69504711T
Other languages
English (en)
Other versions
DE69504711T2 (de
Inventor
Robert D Talbot
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.)
Harris Corp
Original Assignee
Harris 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 Harris Corp filed Critical Harris Corp
Publication of DE69504711D1 publication Critical patent/DE69504711D1/de
Application granted granted Critical
Publication of DE69504711T2 publication Critical patent/DE69504711T2/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)
DE69504711T 1994-01-07 1995-01-06 Verfahren zur Abstimmung für automatische Antennenkoppler Expired - Fee Related DE69504711T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/178,818 US5483680A (en) 1994-01-07 1994-01-07 Tuning method for automatic antenna couplers

Publications (2)

Publication Number Publication Date
DE69504711D1 true DE69504711D1 (de) 1998-10-22
DE69504711T2 DE69504711T2 (de) 1999-03-18

Family

ID=22654057

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69504711T Expired - Fee Related DE69504711T2 (de) 1994-01-07 1995-01-06 Verfahren zur Abstimmung für automatische Antennenkoppler

Country Status (3)

Country Link
US (1) US5483680A (de)
EP (1) EP0662753B1 (de)
DE (1) DE69504711T2 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE506487C2 (sv) * 1994-02-23 1997-12-22 Allgon Ab System med provsändare och sensorer för övervakning av en mottagarantenn
GB2289989B (en) * 1994-05-25 1999-01-06 Nokia Mobile Phones Ltd Adaptive antenna matching
JP2728018B2 (ja) * 1995-04-18 1998-03-18 日本電気株式会社 送信回路
US5589844A (en) * 1995-06-06 1996-12-31 Flash Comm, Inc. Automatic antenna tuner for low-cost mobile radio
JPH08340290A (ja) * 1995-06-09 1996-12-24 Tsujita Masao 短波送信装置
US6122490A (en) * 1998-02-02 2000-09-19 Crosslink, Inc. System for ensuring type acceptance requirements and enhancing equipment capabilities in a RF system
JP3214448B2 (ja) * 1998-05-28 2001-10-02 日本電気株式会社 無線機器および無線機器の制御方法
FI106995B (fi) * 1999-02-26 2001-05-15 Nokia Mobile Phones Ltd Menetelmä häiriöiden pienentämiseksi vastaanottimessa
US6337975B1 (en) * 1999-04-02 2002-01-08 Qualcomm Inc. System and method for power measurement in outdoor antenna units
US6438360B1 (en) 1999-07-22 2002-08-20 Motorola, Inc. Amplifier system with load control to produce an amplitude envelope
US6166598A (en) * 1999-07-22 2000-12-26 Motorola, Inc. Power amplifying circuit with supply adjust to control adjacent and alternate channel power
US6160449A (en) * 1999-07-22 2000-12-12 Motorola, Inc. Power amplifying circuit with load adjust for control of adjacent and alternate channel power
US6349216B1 (en) 1999-07-22 2002-02-19 Motorola, Inc. Load envelope following amplifier system
US6845126B2 (en) * 2001-01-26 2005-01-18 Telefonaktiebolaget L.M. Ericsson (Publ) System and method for adaptive antenna impedance matching
US7071776B2 (en) * 2001-10-22 2006-07-04 Kyocera Wireless Corp. Systems and methods for controlling output power in a communication device
US7190933B2 (en) * 2002-11-01 2007-03-13 Intergration Associates Inc. Method and apparatus for automatic tuning of a resonant loop antenna in a transceiver circuit
US7058372B1 (en) * 2002-11-01 2006-06-06 Integration Associates Inc. Method and apparatus for automatic tuning of a resonant loop antenna
CN101019032A (zh) * 2004-09-14 2007-08-15 皇家飞利浦电子股份有限公司 检测负载阻抗的电路
DE602005024845D1 (de) * 2004-10-06 2010-12-30 Epcos Ag Impedanzdetektor
EP2595323B1 (de) * 2004-11-19 2015-03-11 Qualcomm Technologies, Inc. Vorrichtung mit einer gesteuerten Anpassungsstufe
US7977947B1 (en) * 2006-09-13 2011-07-12 Rf Micro Devices, Inc. Low impedance series coupled radio frequency directional power detector
US8081940B2 (en) * 2006-09-29 2011-12-20 Broadcom Corporation Method and system for dynamically tuning and calibrating an antenna using an on-chip digitally controlled array of capacitors
US20080181144A1 (en) * 2007-01-30 2008-07-31 Broadcom Corporation, A California Corporation RF transceiver system with impedance mismatch detection and control and methods for use therewith
EP2151921B1 (de) * 2008-08-07 2013-10-02 Epcos AG Dynamisches Impedanzausgleichsnetzwerk und Verfahren zum Ausgleich einer Impedanz zwischen einer Quelle und einer Last
US9143172B2 (en) * 2009-06-03 2015-09-22 Qualcomm Incorporated Tunable matching circuits for power amplifiers
US8963611B2 (en) * 2009-06-19 2015-02-24 Qualcomm Incorporated Power and impedance measurement circuits for a wireless communication device
US8750810B2 (en) * 2009-07-24 2014-06-10 Qualcomm Incorporated Power amplifier with switched output matching for multi-mode operation
US9559639B2 (en) * 2009-08-19 2017-01-31 Qualcomm Incorporated Protection circuit for power amplifier
US8072272B2 (en) 2009-08-19 2011-12-06 Qualcomm, Incorporated Digital tunable inter-stage matching circuit
US20140268948A1 (en) * 2013-03-15 2014-09-18 Hamilton Sundstrand Corporation Electromagnetic interference (emi) reduction in interleaved power converter
US9270168B2 (en) 2013-03-15 2016-02-23 Hamilton Sundstrand Corporation Electromagnetic interference (EMI) reduction in multi-level power converter
GB201309953D0 (en) * 2013-06-04 2013-07-17 Renesas Mobile Corp Method and apparatus for controlling parameters of an antenna tuner
KR20220085669A (ko) * 2020-12-15 2022-06-22 현대모비스 주식회사 무선전력전송을 위한 적응형 임피던스 매칭 장치 및 방법

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3601717A (en) * 1969-11-20 1971-08-24 Gen Dynamics Corp System for automatically matching a radio frequency power output circuit to a load
US3794941A (en) * 1972-05-08 1974-02-26 Hughes Aircraft Co Automatic antenna impedance tuner including digital control circuits
US3778731A (en) * 1972-06-05 1973-12-11 Cincinnati Electronics Corp Tuning method for t-network couplers
US3959746A (en) * 1973-10-17 1976-05-25 International Telephone And Telegraph Corporation Automatic antenna coupler tuning control circuit
US3906411A (en) * 1974-11-04 1975-09-16 Hughes Aircraft Co Antenna tuning apparatus
FR2298903A1 (fr) * 1975-01-22 1976-08-20 Thomson Csf Dispositif d'adaptation d'antenne et antenne munie d'un tel dispositif
US4028645A (en) * 1976-06-21 1977-06-07 The United States Of America As Represented By The Secretary Of The Army Automatic impedance matching using resistive and reactive diodes
US4339827A (en) * 1980-11-25 1982-07-13 Rca Corporation Automatic tuning circuit arrangement with switched impedances
US4375051A (en) * 1981-02-19 1983-02-22 The Perkin-Elmer Corporation Automatic impedance matching between source and load
US4493112A (en) * 1981-11-19 1985-01-08 Rockwell International Corporation Antenna tuner discriminator
US4621242A (en) * 1984-03-19 1986-11-04 The Perkin-Elmer Corporation R.F. impedance match control system
US4636771A (en) * 1984-12-10 1987-01-13 Westinghouse Electric Corp. Power line communications terminal and interface circuit associated therewith
US4951009A (en) * 1989-08-11 1990-08-21 Applied Materials, Inc. Tuning method and control system for automatic matching network
US5125108A (en) * 1990-02-22 1992-06-23 American Nucleonics Corporation Interference cancellation system for interference signals received with differing phases
US5117505A (en) * 1990-02-22 1992-05-26 American Nucleonics Corporation Interference cancellation system having noise reduction features and method
US5187454A (en) * 1992-01-23 1993-02-16 Applied Materials, Inc. Electronically tuned matching network using predictor-corrector control system

Also Published As

Publication number Publication date
EP0662753B1 (de) 1998-09-16
EP0662753A1 (de) 1995-07-12
US5483680A (en) 1996-01-09
DE69504711T2 (de) 1999-03-18

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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