DE69428316D1 - Richtkoppler-Detektor zur Leistungspegelsteuerung - Google Patents

Richtkoppler-Detektor zur Leistungspegelsteuerung

Info

Publication number
DE69428316D1
DE69428316D1 DE69428316T DE69428316T DE69428316D1 DE 69428316 D1 DE69428316 D1 DE 69428316D1 DE 69428316 T DE69428316 T DE 69428316T DE 69428316 T DE69428316 T DE 69428316T DE 69428316 D1 DE69428316 D1 DE 69428316D1
Authority
DE
Germany
Prior art keywords
power level
level control
directional coupler
coupler detector
detector
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
DE69428316T
Other languages
English (en)
Other versions
DE69428316T2 (de
Inventor
Hannu Pakonen
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 Mobile Phones 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 Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Publication of DE69428316D1 publication Critical patent/DE69428316D1/de
Application granted granted Critical
Publication of DE69428316T2 publication Critical patent/DE69428316T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • 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
DE69428316T 1993-08-19 1994-07-26 Richtkoppler-Detektor zur Leistungspegelsteuerung Expired - Lifetime DE69428316T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/109,309 US5392464A (en) 1993-08-19 1993-08-19 Directional detector for power level control

Publications (2)

Publication Number Publication Date
DE69428316D1 true DE69428316D1 (de) 2001-10-25
DE69428316T2 DE69428316T2 (de) 2002-05-29

Family

ID=22326986

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69428316T Expired - Lifetime DE69428316T2 (de) 1993-08-19 1994-07-26 Richtkoppler-Detektor zur Leistungspegelsteuerung

Country Status (4)

Country Link
US (1) US5392464A (de)
EP (1) EP0639890B1 (de)
JP (1) JP3568994B2 (de)
DE (1) DE69428316T2 (de)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
GB2296145B (en) * 1994-12-15 1999-09-22 Nokia Mobile Phones Ltd Radio transmitters and methods of operation
US5678209A (en) * 1995-03-31 1997-10-14 Lucent Technologies Inc. Transmit power level detection circuit with enhanced gain characteristics
FI101505B1 (fi) * 1995-05-10 1998-06-30 Nokia Mobile Phones Ltd Menetelmä suuntakytkimellä toteutetun tehonmittauksen parantamiseksi pienillä tehotasoilla
US5752172A (en) * 1996-08-16 1998-05-12 Nokia Mobile Phones Limited Distributed transmitter output power control circuit and method for a radio telephone
US5757237A (en) * 1996-08-28 1998-05-26 Motorola, Inc. Method for dynamically biasing an amplifier and circuit therefor
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
US6173160B1 (en) 1996-11-18 2001-01-09 Nokia Mobile Phones Limited Mobile station having drift-free pulsed power detection method and apparatus
FI108177B (fi) 1997-01-03 2001-11-30 Nokia Mobile Phones Ltd Matkaviestinlaitteiden lähetin
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
US5956627A (en) * 1997-07-08 1999-09-21 Uniden San Diego Research & Development Center, Inc. Temperature compensated power control circuit
EP0895351B1 (de) * 1997-07-31 2005-05-11 Matsushita Electric Industrial Co., Ltd. Vorrichtung zur automatischen Verstärkungsregelung für Mikrowellen
FI105611B (fi) * 1998-03-13 2000-09-15 Nokia Mobile Phones Ltd Radiotajuusvahvistimet
GB9811382D0 (en) 1998-05-27 1998-07-22 Nokia Mobile Phones Ltd A transmitter
GB9811381D0 (en) 1998-05-27 1998-07-22 Nokia Mobile Phones Ltd Predistortion control for power reduction
GB2339113B (en) 1998-06-30 2003-05-21 Nokia Mobile Phones Ltd Data transmission in tdma system
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
JP2000101456A (ja) * 1998-09-24 2000-04-07 Fujitsu Ltd 無線送信装置
US6271727B1 (en) 1999-08-06 2001-08-07 Rf Micro Devices, Inc. High isolation RF power amplifier with self-bias attenuator
US6680652B2 (en) 2001-08-06 2004-01-20 Rf Micro Devices, Inc. Load switching for transmissions with different peak-to-average power ratios
US7228114B2 (en) * 2003-05-21 2007-06-05 Harris Stratex Networks Operating Corporation Wide dynamic range power detection scheme
JP2005210316A (ja) * 2004-01-21 2005-08-04 Matsushita Electric Ind Co Ltd 反射電力抑制回路
KR100593901B1 (ko) * 2004-04-22 2006-06-28 삼성전기주식회사 방향성 커플러 및 이를 이용한 듀얼밴드 송신기
EP1626508B1 (de) * 2004-05-27 2010-03-17 Panasonic Corporation Schaltung zur regelung des sendeausgangs und dieselbe verwendende drahtlose vorrichtung
JP4735366B2 (ja) * 2006-03-27 2011-07-27 日本電気株式会社 検波回路
US8301091B2 (en) * 2009-01-30 2012-10-30 Avago Technologies General Ip (Singapore) Pte. Ltd. Power detector for multi-band network access
US8487705B2 (en) 2010-05-26 2013-07-16 Triquint Semiconductor, Inc. Protection circuit for radio frequency power amplifier
JP2012015591A (ja) * 2010-06-29 2012-01-19 Fujitsu Ltd 出力制御装置及び送信機
JP2012213108A (ja) * 2011-03-31 2012-11-01 Nec Corp 検波回路、検波方法およびマイクロ波無線通信装置
US8538368B1 (en) * 2011-11-14 2013-09-17 Triquint Semiconductor, Inc. Dynamic power limiter circuit

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA896718A (en) * 1970-05-07 1972-03-28 El-Banna Mahmoud Power supply and control circuit
JPS6110327Y2 (de) * 1980-01-10 1986-04-03
JPS58218234A (ja) * 1982-06-12 1983-12-19 Nec Corp 送信出力制御方式
JPS61158204A (ja) * 1984-12-29 1986-07-17 Mitsubishi Electric Corp 自動電力制御回路
US4602218A (en) * 1985-04-30 1986-07-22 Motorola, Inc. Automatic output control circuitry for RF power amplifiers with wide dynamic range
JPS6260321A (ja) * 1985-09-10 1987-03-17 Alps Electric Co Ltd 送信機の出力電力制御装置
JPS63226124A (ja) * 1986-10-29 1988-09-20 Oki Electric Ind Co Ltd 無線装置用レベル制御回路
US4884077A (en) * 1988-01-27 1989-11-28 Rockwell International Corporation Weather radar temperature controlled impatt diodes circuit and method of operation
FI85316C (fi) * 1989-05-12 1992-03-25 Nokia Mobira Oy Koppling foer utvidgning av effektomraodet hos en saendare.
US5126686A (en) * 1989-08-15 1992-06-30 Astec International, Ltd. RF amplifier system having multiple selectable power output levels
JPH03283716A (ja) * 1990-03-30 1991-12-13 Oki Electric Ind Co Ltd 無線送信機の電力増幅装置
US5051705A (en) * 1990-07-10 1991-09-24 Pacific Monolithics Gain-tilt amplifier
US5119042A (en) * 1990-08-30 1992-06-02 Hughes Aircraft Company Solid state power amplifier with dynamically adjusted operating point
JP2871889B2 (ja) * 1991-04-16 1999-03-17 三菱電機株式会社 高周波電力増幅装置
US5204637A (en) * 1992-04-17 1993-04-20 Hughes Aircraft Company Power detection technique for automatic amplifier power control

Also Published As

Publication number Publication date
EP0639890B1 (de) 2001-09-19
EP0639890A1 (de) 1995-02-22
US5392464A (en) 1995-02-21
JPH07176965A (ja) 1995-07-14
JP3568994B2 (ja) 2004-09-22
DE69428316T2 (de) 2002-05-29

Similar Documents

Publication Publication Date Title
DE69428316D1 (de) Richtkoppler-Detektor zur Leistungspegelsteuerung
DE69732822D1 (de) Lichtstrahl-Steuerungssystem
NO992774D0 (no) UtblÕsingssikring-styresystem
GB2279779B (en) Amplifier power control system
DE69413245D1 (de) Entwicklungssteuersystem
DE69306721D1 (de) Handsteuerungsystem
DE69422223D1 (de) Infrarotsystem zur Richtstrahlsteuerung
DE69736502D1 (de) Verstärkungsregler
DE19781999T1 (de) Strahlungsbündel-Steuersystem
DE69402724D1 (de) Führungsanlage
DE59403208D1 (de) Hydrauliksteuersystem
NO955229D0 (no) Fjernmåle-styresystem
DE4480327T1 (de) Kransteuervorrichtung
FI942569A0 (fi) Automaattinen vahvistuksen säätölaite
FI964909A (fi) Substituoidut aryylialkyylitioalkyylipyridiinit Helicobacter-bakteerien torjumiseksi
DE69819826D1 (de) Servosteuersystem
DE59707588D1 (de) Steuerungssystem
DE69521262D1 (de) Steuersystem
FI924990A0 (fi) Styrsystem
DE69723940D1 (de) Verstärkungsregler
KR960702801A (ko) 유압 제어 시스템
KR950019045U (ko) 맨 홀
ATA255093A (de) Wandlerschaltung
DK0878783T3 (da) Møntkontrolsystem
KR950019942U (ko) 전자레인지의 가습장치

Legal Events

Date Code Title Description
8364 No opposition during term of opposition