DE69623199T2 - Hochfrequenzschaltung für ein tragbares Funkgerät - Google Patents

Hochfrequenzschaltung für ein tragbares Funkgerät

Info

Publication number
DE69623199T2
DE69623199T2 DE69623199T DE69623199T DE69623199T2 DE 69623199 T2 DE69623199 T2 DE 69623199T2 DE 69623199 T DE69623199 T DE 69623199T DE 69623199 T DE69623199 T DE 69623199T DE 69623199 T2 DE69623199 T2 DE 69623199T2
Authority
DE
Germany
Prior art keywords
high frequency
frequency circuit
portable radio
portable
radio
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 - Lifetime
Application number
DE69623199T
Other languages
English (en)
Other versions
DE69623199D1 (de
Inventor
Yoshiaki Tarusawa
Toshio Nojima
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.)
NTT Docomo Inc
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
NTT Mobile Communications Networks 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 Nippon Telegraph and Telephone Corp, NTT Mobile Communications Networks Inc filed Critical Nippon Telegraph and Telephone Corp
Application granted granted Critical
Publication of DE69623199D1 publication Critical patent/DE69623199D1/de
Publication of DE69623199T2 publication Critical patent/DE69623199T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/44—Transmit/receive switching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
    • 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/44—Transmit/receive switching
    • H04B1/48—Transmit/receive switching in circuits for connecting transmitter and receiver to a common transmission path, e.g. by energy of transmitter

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)
  • Radio Transmission System (AREA)
DE69623199T 1995-06-26 1996-06-25 Hochfrequenzschaltung für ein tragbares Funkgerät Expired - Lifetime DE69623199T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP07159350A JP3100111B2 (ja) 1995-06-26 1995-06-26 移動無線機のマルチバンド高周波回路

Publications (2)

Publication Number Publication Date
DE69623199D1 DE69623199D1 (de) 2002-10-02
DE69623199T2 true DE69623199T2 (de) 2003-04-30

Family

ID=15691933

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69623199T Expired - Lifetime DE69623199T2 (de) 1995-06-26 1996-06-25 Hochfrequenzschaltung für ein tragbares Funkgerät

Country Status (4)

Country Link
US (1) US5715525A (de)
EP (1) EP0751631B1 (de)
JP (1) JP3100111B2 (de)
DE (1) DE69623199T2 (de)

Families Citing this family (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI100286B (fi) * 1996-04-01 1997-10-31 Nokia Mobile Phones Ltd Lähetin/vastaanotin RF-signaalin lähettämiseksi ja vastaanottamiseksi kahdella taajuusalueella
US5915212A (en) * 1996-08-29 1999-06-22 Ericsson Inc. System and method for achieving extended radio coverage and additional capacity using extended frequency bands
US6108526A (en) * 1997-05-07 2000-08-22 Lucent Technologies, Inc. Antenna system and method thereof
US5987010A (en) * 1997-05-15 1999-11-16 Advanced Micro Devices, Inc. System and method for providing FDD and TDD modes of operation for a wireless communications device
JPH118577A (ja) * 1997-06-17 1999-01-12 Saitama Nippon Denki Kk 無線機
US6006112A (en) * 1997-11-26 1999-12-21 Lucent Technologies, Inc. Transceiver with RF loopback and downlink frequency scanning
TW368617B (en) * 1997-11-27 1999-09-01 Eta S A Fabriques D Edauches Portable object, in particular a watch, including multiple selectable electronic modules
US6091343A (en) * 1997-12-18 2000-07-18 Prince Corporation Trainable RF transmitter having expanded learning capabilities
EP1070392B1 (de) 1998-03-11 2002-07-03 Infineon Technologies AG Integrierter schaltkreis für mobilfunk- und mobiltelefonanlagen
JPH11308144A (ja) * 1998-04-24 1999-11-05 Mitsumi Electric Co Ltd 通信装置
GB9811380D0 (en) * 1998-05-27 1998-07-22 Nokia Mobile Phones Ltd A transciever for wireless communication
FR2783654B1 (fr) * 1998-09-23 2006-07-28 Sagem Emetteur-recepteur bibande a double dispositif de rayonnement
GB9825412D0 (en) * 1998-11-19 1999-01-13 Central Research Lab Ltd A transceiver
US6560443B1 (en) * 1999-05-28 2003-05-06 Nokia Corporation Antenna sharing switching circuitry for multi-transceiver mobile terminal and method therefor
JP3347099B2 (ja) * 1999-07-23 2002-11-20 エヌイーシーアクセステクニカ株式会社 簡易携帯電話内蔵型携帯電話機におけるアンテナ切替回路
EP1164719A4 (de) * 2000-01-04 2004-12-08 Mitsubishi Electric Corp Zellulares telefon
US6405061B1 (en) * 2000-05-11 2002-06-11 Youngbo Engineering, Inc. Method and apparatus for data entry in a wireless network access device
JP3831575B2 (ja) * 2000-05-15 2006-10-11 三洋電機株式会社 化合物半導体スイッチ回路装置
JP2002204135A (ja) * 2000-12-28 2002-07-19 Matsushita Electric Ind Co Ltd 高周波低域通過フィルタ
FI20002881A (fi) * 2000-12-29 2002-06-30 Nokia Corp Järjestely ja menetelmä radiolähettimen häviöiden vähentämiseksi
EP1508974B1 (de) * 2001-02-27 2007-09-19 Matsushita Electric Industrial Co., Ltd. Antennenweiche und deren Verwendung in einem mobilen Kommunikationsgerät
JP2003060408A (ja) * 2001-06-05 2003-02-28 Murata Mfg Co Ltd フィルタ部品および通信機装置
JP2002368725A (ja) * 2001-06-11 2002-12-20 Kddi Corp マルチモード通信装置
US6873835B2 (en) * 2001-09-13 2005-03-29 Symbol Technologies, Inc. Antenna selection circuit for use in mobile computers
GB2382954B (en) * 2001-12-04 2004-03-10 Lucent Technologies Inc A telecommunications station such as a umts base station and a method of detecting a parameter of a signal transmitted therefrom
FI20012598A (fi) 2001-12-31 2003-07-01 Nokia Corp Menetelmä vastaanottimen toiminnan varmistamiseksi ja radiolaite
JP2003332940A (ja) * 2002-05-09 2003-11-21 Matsushita Electric Ind Co Ltd 移動体通信装置
JP3790734B2 (ja) * 2002-10-04 2006-06-28 松下電器産業株式会社 高周波装置、高周波増幅方法
JP3672196B2 (ja) * 2002-10-07 2005-07-13 松下電器産業株式会社 アンテナ装置
KR100472757B1 (ko) * 2002-11-15 2005-03-11 자화전자 주식회사 다중대역 안테나 스위치 모듈 회로
DE10315046B4 (de) * 2003-04-02 2006-02-02 Siemens Ag Schaltungsanordnung für ein Kommunikationsendgerät mit Multi-Mode-Betrieb
CN1765065B (zh) 2003-04-17 2010-12-01 富士通株式会社 具有天线切换功能的信息处理装置
KR20050034966A (ko) * 2003-10-10 2005-04-15 삼성전기주식회사 Ｄｍｂ용 이중대역지원 수신기
US20050113133A1 (en) * 2003-11-25 2005-05-26 Kevin Li Dynamically tuned antenna used for multiple purposes
KR100592767B1 (ko) * 2003-12-26 2006-06-26 한국전자통신연구원 개선된 전력증폭기 효율을 가진 듀얼 안테나 다이버시티송신기 및 시스템
US7155178B2 (en) * 2004-01-29 2006-12-26 Mediatek Inc. Circuit system for wireless communications
US20050245201A1 (en) 2004-04-30 2005-11-03 Nokia Corporation Front-end topology for multiband multimode communication engines
US9172404B1 (en) * 2005-02-07 2015-10-27 Rf Micro Devices, Inc. Switch architecture for TDMA and FDD multiplexing
US20060286941A1 (en) * 2005-06-17 2006-12-21 Tropos Networks Selection of antenna patterns
KR100821157B1 (ko) * 2006-10-20 2008-04-14 삼성전자주식회사 휴대 단말기의 다중 대역 안테나 장치
JP4641021B2 (ja) * 2006-11-16 2011-03-02 株式会社日立メディアエレクトロニクス マルチバンド無線機及び半導体集積回路
US7738539B2 (en) * 2006-12-01 2010-06-15 Sony Ericsson Mobile Communications Ab Current consumption reduction with low power amplifier
US8862081B2 (en) * 2007-01-19 2014-10-14 Wi-Lan, Inc. Transceiver with receive path performance diversity and combiner with jammer detect feedback
US8107906B2 (en) * 2007-01-19 2012-01-31 Wi-Lan Inc. Transceiver with receive and transmit path performance diversity
KR100951089B1 (ko) * 2007-02-15 2010-04-05 삼성전자주식회사 무선통신 시스템에서 시간 분할 복신 및 주파수 분할복신을 선택적으로 지원하기 위한 장치
US7962161B1 (en) * 2007-11-21 2011-06-14 L-3 Communications Corp. Method and apparatus for FDD and TDD terminal entry into a wireless communication network
JP4479931B2 (ja) * 2008-03-11 2010-06-09 日本電気株式会社 通信装置、歪み補償回路、および歪み補償方法
DE102008061474B4 (de) * 2008-12-10 2019-07-04 Snaptrack, Inc. Frontendmodul und Verfahren zum Testen eines Frontendmoduls
US8219157B2 (en) * 2009-03-26 2012-07-10 Apple Inc. Electronic device with shared multiband antenna and antenna diversity circuitry
US8208867B2 (en) * 2009-04-09 2012-06-26 Apple Inc. Shared multiband antennas and antenna diversity circuitry for electronic devices
CN102790638A (zh) * 2011-05-20 2012-11-21 中兴通讯股份有限公司 一种天线性能优化方法和系统
JP5630493B2 (ja) * 2012-11-07 2014-11-26 株式会社村田製作所 フロントエンドデバイス
GB2512586B (en) 2013-04-02 2015-08-12 Broadcom Corp Switch arrangement
US9780866B2 (en) 2014-08-12 2017-10-03 Qorvo Us, Inc. Configurable RF transmit/receive multiplexer
US10312960B2 (en) * 2014-08-12 2019-06-04 Qorvo Us, Inc. Switchable RF transmit/receive multiplexer
US9843342B2 (en) 2014-08-12 2017-12-12 Qorvo Us, Inc. Tunable RF transmit/receive multiplexer
US10498415B2 (en) * 2016-12-20 2019-12-03 Raytheon Company Systems and methods for a multi-mode active electronically scanned array

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0779299B2 (ja) * 1986-08-30 1995-08-23 日本電気株式会社 携帯無線機
DE3641109A1 (de) * 1986-12-02 1988-08-25 Lindenmeier Heinz Signaldiversity-anlage fuer den mobilen empfang
FI84537C (fi) * 1990-01-18 1991-12-10 Nokia Mobile Phones Ltd Diversitetsantennkoppling foer en digital mobiltelefon.
JPH03293822A (ja) * 1990-04-12 1991-12-25 Pioneer Electron Corp ダイバシティー受信機
US5276914A (en) * 1990-10-18 1994-01-04 Sony Corporation Dual-mode transceiver that switches out a large insertion loss filter during transmission
FI90703C (fi) * 1992-02-14 1994-03-10 Nokia Mobile Phones Ltd Diversiteettiboosteri
DE4396900T1 (de) * 1992-12-22 1997-07-31 Motorola Inc HF-Antennenschalter und Verfahren zu dessen Betrieb
GB9309353D0 (en) * 1993-05-06 1993-06-16 Ncr Int Inc Wireless communication system having antenna diversity
JPH077449A (ja) * 1993-06-17 1995-01-10 Oki Electric Ind Co Ltd アンテナ切り替えスイッチ
DE4322863C2 (de) * 1993-07-09 1995-05-18 Ant Nachrichtentech Mobilfunkantennenanlage
US5465409A (en) * 1994-03-07 1995-11-07 Motorola, Inc. Radio architecture with dual frequency source selection
US5475677A (en) * 1994-12-29 1995-12-12 Bell Communications Research Inc. Compatible licensed and unlicensed band portable handset unit for TDMA wireless communications system

Also Published As

Publication number Publication date
EP0751631B1 (de) 2002-08-28
JPH0918397A (ja) 1997-01-17
US5715525A (en) 1998-02-03
JP3100111B2 (ja) 2000-10-16
DE69623199D1 (de) 2002-10-02
EP0751631A1 (de) 1997-01-02

Similar Documents

Publication Publication Date Title
DE69623199D1 (de) Hochfrequenzschaltung für ein tragbares Funkgerät
DE69433263D1 (de) Antenne für ein tragbares elektronisches gerät
DE69700244T2 (de) Hochfrequenzmodul
DE69528940D1 (de) Halterung für ein Funktelefon
DE69733908D1 (de) Schaltungsanordnung für ein Kommunikationsgerät
DE59602644D1 (de) Kühlvorrichtung für einen hochfrequenzempfänger
DE19782146T1 (de) Radiofrequenzschaltungsmodul
DE69835863D1 (de) Handapparat für Funkgerät
DE69834875D1 (de) Frequenzumsetzungsschaltung
DE69416309T2 (de) Frequenzplan fur ein zellulares netzwerk
DE69826091D1 (de) Handapparat für Funkgerät
DE69626540D1 (de) Antennenanordnung und damit verbundenes verfahren für ein funkkommunikationsgerät
DE69614151D1 (de) Radiofrequenzidentifizierungslesegerät
DE69808576D1 (de) Elektronischer Hochfrequenzschalter
DE69627838D1 (de) Geneigte antenne für ein zellulares funkgerät
DE69223368D1 (de) Leistungsverstärker für ein Funktelefon
DE69609386D1 (de) Antennenanordnung für einen Funksenderempfänger
DE59611283D1 (de) Gehäuse für ein Funkgerät
ITFI940194A0 (it) Sorgente di plasma a radiofrequenza
DE69530163T2 (de) Frequenzsynthetisierer für einen VHF-UHF Breitbandempfänger
DE59307051D1 (de) Stromversorgungsschaltung für ein Funkgerät
DE59610922D1 (de) Durchführung für ein elektrisches Hochfrequenzsignal
DE69807622T2 (de) Resonanzschaltung für Gegentaktoszillator
FI961944A0 (fi) Radioantennisovitelma
DE69621581T2 (de) Abstimmschaltung für Radioempfänger

Legal Events

Date Code Title Description
8364 No opposition during term of opposition