DE69332392D1 - Leistungsverstärker - Google Patents

Leistungsverstärker

Info

Publication number
DE69332392D1
DE69332392D1 DE69332392T DE69332392T DE69332392D1 DE 69332392 D1 DE69332392 D1 DE 69332392D1 DE 69332392 T DE69332392 T DE 69332392T DE 69332392 T DE69332392 T DE 69332392T DE 69332392 D1 DE69332392 D1 DE 69332392D1
Authority
DE
Germany
Prior art keywords
power amplifier
amplifier
power
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
DE69332392T
Other languages
English (en)
Inventor
Risto Vaeisaenen
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.)
Nokia Oyj
Original Assignee
Nokia Oyj
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 Nokia Oyj filed Critical Nokia Oyj
Application granted granted Critical
Publication of DE69332392D1 publication Critical patent/DE69332392D1/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
    • H04B1/3827—Portable transceivers
    • H04B1/3877—Arrangements for enabling portable transceivers to be used in a fixed position, e.g. cradles or boosters
DE69332392T 1992-06-05 1993-06-04 Leistungsverstärker Expired - Lifetime DE69332392D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI922605A FI91201C (fi) 1992-06-05 1992-06-05 Boosteri

Publications (1)

Publication Number Publication Date
DE69332392D1 true DE69332392D1 (de) 2002-11-21

Family

ID=8535428

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69332392T Expired - Lifetime DE69332392D1 (de) 1992-06-05 1993-06-04 Leistungsverstärker

Country Status (6)

Country Link
US (1) US5450620A (de)
EP (1) EP0574189B1 (de)
JP (1) JPH06169277A (de)
DE (1) DE69332392D1 (de)
EE (1) EE03641B1 (de)
FI (1) FI91201C (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2154877C (en) * 1993-02-05 1999-07-20 Akira Ishikura Radio telephone equipment
JPH06265430A (ja) * 1993-03-11 1994-09-22 Nissan Motor Co Ltd 筒内圧センサ
JP2823485B2 (ja) * 1993-07-23 1998-11-11 三菱電機株式会社 バースト送信装置
US5488649A (en) * 1994-05-06 1996-01-30 Motorola, Inc. Method for validating a communication link
FI97179C (fi) * 1994-06-15 1996-10-25 Nokia Mobile Phones Ltd Pulssitetun lähettimen lähtötehon säätö ja tehon verhokäyrän muotoilu
FI105865B (fi) * 1994-11-14 2000-10-13 Nokia Mobile Phones Ltd Menetelmä ja kytkentä radiolaitteen lähetinsignaalin tehon säätämiseksi ja linearisoimiseksi
FI101505B1 (fi) * 1995-05-10 1998-06-30 Nokia Mobile Phones Ltd Menetelmä suuntakytkimellä toteutetun tehonmittauksen parantamiseksi pienillä tehotasoilla
FI98970C (fi) * 1995-06-07 1997-09-10 Nokia Mobile Phones Ltd Käsipuhelimen lisävahvistinjärjestely
KR0167895B1 (ko) * 1995-10-06 1999-02-01 김광호 이동무선 통신시스템에서 공급전원 제어회로
SE511385C2 (sv) * 1996-03-04 1999-09-20 Allgon Ab Sätt och anordning för övervakning av en mobiltelefonrepeater
FI963389A (fi) * 1996-08-30 1998-03-01 Nokia Mobile Phones Ltd Käsipuhelimen opastusjärjestelmä
FI106759B (fi) 1996-11-13 2001-03-30 Nokia Mobile Phones Ltd Matkaviestimen lähetystehon rajoitinjärjestelmä
US5884149A (en) * 1997-02-13 1999-03-16 Nokia Mobile Phones Limited Mobile station having dual band RF detector and gain control
DE19705735A1 (de) * 1997-02-14 1998-08-20 Nokia Mobile Phones Ltd Verfahren und Vorrichtung zur Inspektion wenigstens eines Antennenzweigs, insbesondere in einem Fahrzeug
US6230031B1 (en) 1997-03-31 2001-05-08 Oki Telecom, Inc. Power amplifying circuitry for wireless radio transceivers
US6459915B2 (en) * 1997-09-02 2002-10-01 Matsushita Electric Industrial Co. Ltd. External adapter for a portable cellular phone
JPH11168403A (ja) * 1997-12-04 1999-06-22 Toshiba Corp デュアルモード無線通信装置、電源供給装置およびｒｆ信号増幅装置
JP3090112B2 (ja) * 1998-01-30 2000-09-18 日本電気株式会社 携帯電話用ブースタ
FI105611B (fi) * 1998-03-13 2000-09-15 Nokia Mobile Phones Ltd Radiotajuusvahvistimet
US6370187B1 (en) * 1998-04-01 2002-04-09 Texas Instruments Incorporated Adaptive power dissipation for data communications system
GB9811381D0 (en) 1998-05-27 1998-07-22 Nokia Mobile Phones Ltd Predistortion control for power reduction
GB9811382D0 (en) 1998-05-27 1998-07-22 Nokia Mobile Phones Ltd A transmitter
GB2339113B (en) 1998-06-30 2003-05-21 Nokia Mobile Phones Ltd Data transmission in tdma system
US7024231B2 (en) * 2002-10-28 2006-04-04 Allen Cohen Booster system in a cellular phone base station

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6485431A (en) * 1987-09-28 1989-03-30 Toshiba Corp Radio telephone system
JPH0728231B2 (ja) * 1989-04-10 1995-03-29 三菱電機株式会社 ブースタ装置およびブースタ装置を接続した無線機
JP2769478B2 (ja) * 1989-04-10 1998-06-25 三菱電機株式会社 無線機
JPH0775324B2 (ja) * 1989-08-18 1995-08-09 日本電気株式会社 携帯無線機
FI87028C (fi) * 1989-12-22 1992-11-10 Nokia Mobile Phones Ltd Metod foer att reglera effekt hos en spaenningsstyrd effektfoerstaerkare och koppling foer anvaendning i metoden
US5077540A (en) * 1990-06-14 1991-12-31 University Of Virginia Patents Foundation Minimum pulse width switching power amplifier

Also Published As

Publication number Publication date
JPH06169277A (ja) 1994-06-14
EP0574189A1 (de) 1993-12-15
FI922605A0 (fi) 1992-06-05
EE9400188A (et) 1996-02-15
EP0574189B1 (de) 2002-10-16
EE03641B1 (et) 2002-02-15
FI91201B (fi) 1994-02-15
FI91201C (fi) 1994-05-25
US5450620A (en) 1995-09-12
FI922605A (fi) 1993-12-06

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Legal Events

Date Code Title Description
8332 No legal effect for de