DE69826563D1 - Mobilfunksender mit selektiv aktivierten Verstärkern - Google Patents

Mobilfunksender mit selektiv aktivierten Verstärkern

Info

Publication number
DE69826563D1
DE69826563D1 DE69826563T DE69826563T DE69826563D1 DE 69826563 D1 DE69826563 D1 DE 69826563D1 DE 69826563 T DE69826563 T DE 69826563T DE 69826563 T DE69826563 T DE 69826563T DE 69826563 D1 DE69826563 D1 DE 69826563D1
Authority
DE
Germany
Prior art keywords
mobile radio
radio transmitter
selectively activated
activated amplifiers
amplifiers
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
DE69826563T
Other languages
English (en)
Other versions
DE69826563T2 (de
Inventor
Masanori Fujita
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 Electronics Corp
Original Assignee
NEC Compound Semiconductor Devices 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
Application filed by NEC Compound Semiconductor Devices Ltd filed Critical NEC Compound Semiconductor Devices Ltd
Application granted granted Critical
Publication of DE69826563D1 publication Critical patent/DE69826563D1/de
Publication of DE69826563T2 publication Critical patent/DE69826563T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0277—Selecting one or more amplifiers from a plurality of amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated
    • 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
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/72—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • H03F2203/7239—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched on or off by putting into parallel or not, by choosing between amplifiers and shunting lines by one or more switch(es)
    • 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
    • H04B2001/0408—Circuits with power amplifiers
    • H04B2001/0416—Circuits with power amplifiers having gain or transmission power control
DE69826563T 1997-06-06 1998-06-08 Mobilfunksender mit selektiv aktivierten Verstärkern Expired - Fee Related DE69826563T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP14922997 1997-06-06
JP14922997A JP3171141B2 (ja) 1997-06-06 1997-06-06 移動体通信用送信機およびその制御方法

Publications (2)

Publication Number Publication Date
DE69826563D1 true DE69826563D1 (de) 2004-11-04
DE69826563T2 DE69826563T2 (de) 2006-02-23

Family

ID=15470699

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69826563T Expired - Fee Related DE69826563T2 (de) 1997-06-06 1998-06-08 Mobilfunksender mit selektiv aktivierten Verstärkern

Country Status (6)

Country Link
US (1) US6215987B1 (de)
EP (1) EP0883250B1 (de)
JP (1) JP3171141B2 (de)
KR (1) KR100293484B1 (de)
CN (1) CN1098566C (de)
DE (1) DE69826563T2 (de)

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JP3587346B2 (ja) * 1998-08-07 2004-11-10 松下電器産業株式会社 無線通信装置および無線通信装置における送信電力制御方法
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US6615028B1 (en) * 1998-12-29 2003-09-02 Skyworks Solutions, Inc. System and method for selecting amplifiers in a communications device
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JP3848068B2 (ja) * 2000-09-12 2006-11-22 株式会社エヌ・ティ・ティ・ドコモ Ｃｄｍａ無線送信装置、ｃｄｍａ無線送受信システムおよびｃｄｍａ無線送信装置の送信電力制御方法ならびにｃｄｍａ無線送受信システムにおける無線送信装置の送信電力制御方法
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US7170341B2 (en) * 2003-08-05 2007-01-30 Motorola, Inc. Low power consumption adaptive power amplifier
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JP4521806B2 (ja) * 2003-09-11 2010-08-11 ソニー・エリクソン・モバイルコミュニケーションズ株式会社 電力増幅装置および送信装置
US7623896B2 (en) * 2004-02-04 2009-11-24 Sharp Kabushiki Kaisha Wireless communication circuit and wireless communication apparatus using the same
US7379714B2 (en) * 2004-04-02 2008-05-27 Interdigital Technology Corporation Method and apparatus for dynamically adjusting a transmitter's impedance
KR20050100300A (ko) * 2004-04-13 2005-10-18 엘지전자 주식회사 이동통신 단말기의 전력증폭기모드 선택장치
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JP4487768B2 (ja) * 2004-12-27 2010-06-23 日本電気株式会社 無線送信装置及びその送信電力調整方法
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JP4584062B2 (ja) * 2005-07-21 2010-11-17 セイコーインスツル株式会社 携帯型電子機器
US20070076666A1 (en) * 2005-10-03 2007-04-05 Riveiro Juan C Multi-Wideband Communications over Power Lines
US7808985B2 (en) * 2006-11-21 2010-10-05 Gigle Networks Sl Network repeater
US8213895B2 (en) * 2005-10-03 2012-07-03 Broadcom Europe Limited Multi-wideband communications over multiple mediums within a network
EP1770870B1 (de) * 2005-10-03 2019-04-03 Avago Technologies International Sales Pte. Limited Verfahren und Vorrichtung zur Stromleitungskommunikation
US8406239B2 (en) * 2005-10-03 2013-03-26 Broadcom Corporation Multi-wideband communications over multiple mediums
US7933567B2 (en) * 2006-01-26 2011-04-26 Qualcomm, Incorporated Method and apparatus for achieving linear monotonic output power
US7860146B2 (en) * 2006-07-06 2010-12-28 Gigle Networks, Inc. Adaptative multi-carrier code division multiple access
US8885814B2 (en) 2006-07-25 2014-11-11 Broadcom Europe Limited Feedback impedance control for driving a signal
EP1892827A1 (de) * 2006-08-24 2008-02-27 Alcatel Lucent Einzelband- Multistandard- Leistungsverstärker
JP5022792B2 (ja) * 2007-07-02 2012-09-12 株式会社日立国際電気 Ｄｃｄｃコンバータユニット、電力増幅器、及び基地局装置
US8619639B2 (en) 2007-07-06 2013-12-31 Lantiq Deutschland Gmbh Power detector radio frequency multiplexer
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JP4957734B2 (ja) * 2009-02-10 2012-06-20 ソニー株式会社 受信装置、撮像装置及び受信方法
US8971830B2 (en) * 2009-05-12 2015-03-03 Qualcomm Incorporated Multi-mode multi-band power amplifier module
US8487705B2 (en) 2010-05-26 2013-07-16 Triquint Semiconductor, Inc. Protection circuit for radio frequency power amplifier
CN102420711B (zh) * 2010-09-28 2014-04-30 鸿富锦精密工业（深圳）有限公司 网络通信设备及其侦测负载异常的方法
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RU2481696C9 (ru) * 2011-05-05 2013-09-10 Евгений Васильевич Прокофьев Генератор автоколебаний прокофьева
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JP2019092131A (ja) * 2017-11-17 2019-06-13 株式会社村田製作所 電力増幅モジュール
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Also Published As

Publication number Publication date
US6215987B1 (en) 2001-04-10
EP0883250A3 (de) 2003-03-19
EP0883250A2 (de) 1998-12-09
CN1202046A (zh) 1998-12-16
JP3171141B2 (ja) 2001-05-28
KR19990006729A (ko) 1999-01-25
EP0883250B1 (de) 2004-09-29
KR100293484B1 (ko) 2001-09-17
CN1098566C (zh) 2003-01-08
JPH10341172A (ja) 1998-12-22
DE69826563T2 (de) 2006-02-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: NEC ELECTRONICS CORP., KAWASAKI, KANAGAWA, JP

8339 Ceased/non-payment of the annual fee