FI952268A - Menetelmä suuntakytkimellä toteutetun tehonmittauksen parantamiseksi pienillä tehotasoilla - Google Patents

Menetelmä suuntakytkimellä toteutetun tehonmittauksen parantamiseksi pienillä tehotasoilla Download PDF

Info

Publication number
FI952268A
FI952268A FI952268A FI952268A FI952268A FI 952268 A FI952268 A FI 952268A FI 952268 A FI952268 A FI 952268A FI 952268 A FI952268 A FI 952268A FI 952268 A FI952268 A FI 952268A
Authority
FI
Finland
Prior art keywords
directional switch
low power
improving
power levels
power measurement
Prior art date
Application number
FI952268A
Other languages
English (en)
Swedish (sv)
Other versions
FI952268A0 (fi
FI101505B1 (fi
FI101505B (fi
Inventor
Ari Salminen
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
Priority to FI952268A priority Critical patent/FI101505B/fi
Publication of FI952268A0 publication Critical patent/FI952268A0/fi
Priority to EP96660007A priority patent/EP0742649A3/en
Priority to JP11171396A priority patent/JPH08335809A/ja
Priority to US08/644,037 priority patent/US5745016A/en
Publication of FI952268A publication Critical patent/FI952268A/fi
Application granted granted Critical
Publication of FI101505B1 publication Critical patent/FI101505B1/fi
Publication of FI101505B publication Critical patent/FI101505B/fi

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
    • H03G3/3047—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers for intermittent signals, e.g. burst signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
    • G01R1/24—Transmission-line, e.g. waveguide, measuring sections, e.g. slotted section
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/01—Arrangements for measuring electric power or power factor in circuits having distributed constants

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transmitters (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
FI952268A 1995-05-10 1995-05-10 Menetelmä suuntakytkimellä toteutetun tehonmittauksen parantamiseksi p ienillä tehotasoilla FI101505B (fi)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI952268A FI101505B (fi) 1995-05-10 1995-05-10 Menetelmä suuntakytkimellä toteutetun tehonmittauksen parantamiseksi p ienillä tehotasoilla
EP96660007A EP0742649A3 (en) 1995-05-10 1996-03-26 Directional coupler arrangement for the measurement of power
JP11171396A JPH08335809A (ja) 1995-05-10 1996-05-02 方向性結合器装置およびそれにおける電力測定方法
US08/644,037 US5745016A (en) 1995-05-10 1996-05-09 Method for improving power measurement implemented with a directional coupler at low power levels

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI952268A FI101505B (fi) 1995-05-10 1995-05-10 Menetelmä suuntakytkimellä toteutetun tehonmittauksen parantamiseksi p ienillä tehotasoilla
FI952268 1995-05-10

Publications (4)

Publication Number Publication Date
FI952268A0 FI952268A0 (fi) 1995-05-10
FI952268A true FI952268A (fi) 1996-11-11
FI101505B1 FI101505B1 (fi) 1998-06-30
FI101505B FI101505B (fi) 1998-06-30

Family

ID=8543388

Family Applications (1)

Application Number Title Priority Date Filing Date
FI952268A FI101505B (fi) 1995-05-10 1995-05-10 Menetelmä suuntakytkimellä toteutetun tehonmittauksen parantamiseksi p ienillä tehotasoilla

Country Status (4)

Country Link
US (1) US5745016A (fi)
EP (1) EP0742649A3 (fi)
JP (1) JPH08335809A (fi)
FI (1) FI101505B (fi)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6148220A (en) 1997-04-25 2000-11-14 Triquint Semiconductor, Inc. Battery life extending technique for mobile wireless applications
FR2766272B1 (fr) * 1997-07-15 1999-10-15 Moulinex Sa Dispositif et procede de reflectometrie hyperfrequences, et four a micro-ondes ainsi equipe
FI105611B (fi) * 1998-03-13 2000-09-15 Nokia Mobile Phones Ltd Radiotajuusvahvistimet
US6066994A (en) * 1998-05-18 2000-05-23 Amplifier Research Corporation Broadband directional coupler including amplifying, sampling and combining circuits
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
US6307364B1 (en) 1999-08-27 2001-10-23 Rf Micro Devices, Inc. Power sensor for RF power amplifier
US6329809B1 (en) 1999-08-27 2001-12-11 Rf Micro Devices, Inc. RF power amplifier output power sensor
US6265943B1 (en) 2000-01-27 2001-07-24 Rf Micro Devices, Inc. Integrated RF power sensor that compensates for bias changes
DE10039665A1 (de) 2000-08-14 2002-02-28 Rohde & Schwarz Leistungssensor
US20030054780A1 (en) * 2000-09-05 2003-03-20 Hitachi, Ltd. High frequency power amplifying circuit, and mobile communication apparatus using it
US6753734B2 (en) 2001-06-06 2004-06-22 Anadigics, Inc. Multi-mode amplifier bias circuit
US6842075B2 (en) * 2001-06-06 2005-01-11 Anadigics, Inc. Gain block with stable internal bias from low-voltage power supply
DE10205359A1 (de) 2002-02-08 2003-08-21 Rohde & Schwarz Leistungsdetektor mit Gleichspannungsentkopplung
US6624702B1 (en) 2002-04-05 2003-09-23 Rf Micro Devices, Inc. Automatic Vcc control for optimum power amplifier efficiency
US7010284B2 (en) 2002-11-06 2006-03-07 Triquint Semiconductor, Inc. Wireless communications device including power detector circuit coupled to sample signal at interior node of amplifier
US20040070454A1 (en) * 2002-10-15 2004-04-15 Triquint Semiconductor, Inc. Continuous bias circuit and method for an amplifier
US20040072554A1 (en) * 2002-10-15 2004-04-15 Triquint Semiconductor, Inc. Automatic-bias amplifier circuit
US7177370B2 (en) * 2003-12-17 2007-02-13 Triquint Semiconductor, Inc. Method and architecture for dual-mode linear and saturated power amplifier operation
JP3900433B2 (ja) * 2004-02-18 2007-04-04 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 通信端末
US20070176665A1 (en) * 2006-02-01 2007-08-02 Analog Devices, Inc. Variable voltage attenuator circuits
JP2009055117A (ja) * 2007-08-23 2009-03-12 Sanyo Electric Co Ltd Ａｇｃ回路
US8175554B2 (en) * 2008-05-07 2012-05-08 Intel Mobile Communications GmbH Radio frequency communication devices and methods
CN101626103B (zh) * 2008-07-07 2012-12-12 华为技术有限公司 耦合器及信号收发系统
US8417196B2 (en) * 2010-06-07 2013-04-09 Skyworks Solutions, Inc. Apparatus and method for directional coupling
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
KR101399902B1 (ko) * 2012-08-31 2014-05-29 주식회사 뉴파워 프라즈마 방향성 결합기 센서 장치
US9755670B2 (en) 2014-05-29 2017-09-05 Skyworks Solutions, Inc. Adaptive load for coupler in broadband multimode multiband front end module
CN106575812B (zh) 2014-06-12 2020-10-30 天工方案公司 与定向耦合器相关的设备和方法
US9553617B2 (en) 2014-07-24 2017-01-24 Skyworks Solutions, Inc. Apparatus and methods for reconfigurable directional couplers in an RF transceiver with controllable capacitive coupling
US9685687B2 (en) * 2014-09-15 2017-06-20 Infineon Technologies Ag System and method for a directional coupler
EP3026441A1 (en) * 2014-11-27 2016-06-01 Nxp B.V. Apparatus for measuring RF power and associated methods
US9692103B2 (en) * 2014-12-10 2017-06-27 Skyworks Solutions, Inc. RF coupler with switch between coupler port and adjustable termination impedance circuit
US9947985B2 (en) * 2015-07-20 2018-04-17 Infineon Technologies Ag System and method for a directional coupler
WO2017044729A1 (en) 2015-09-10 2017-03-16 Skyworks Solutions, Inc. Electromagnetic couplers for multi-frequency power detection
TWI716539B (zh) 2016-02-05 2021-01-21 美商天工方案公司 具有多波段濾波的電磁耦合器
WO2017151321A1 (en) 2016-02-29 2017-09-08 Skyworks Solutions, Inc. Integrated filter and directional coupler assemblies
TW201801360A (zh) 2016-03-30 2018-01-01 天工方案公司 用於耦合器線性改良及重組態的可調主動矽
US10084224B2 (en) 2016-04-29 2018-09-25 Skyworks Solutions, Inc. Compensated electromagnetic coupler
CN109314299B (zh) 2016-04-29 2021-09-21 天工方案公司 可调谐电磁耦合器和使用其的模块和装置
US10284167B2 (en) 2016-05-09 2019-05-07 Skyworks Solutions, Inc. Self-adjusting electromagnetic coupler with automatic frequency detection
US10164681B2 (en) 2016-06-06 2018-12-25 Skyworks Solutions, Inc. Isolating noise sources and coupling fields in RF chips
KR102291940B1 (ko) 2016-06-22 2021-08-23 스카이워크스 솔루션즈, 인코포레이티드 다중 주파수 전력 검출을 위한 전자기 커플러 배열들 및 이를 포함하는 디바이스들
US10742189B2 (en) 2017-06-06 2020-08-11 Skyworks Solutions, Inc. Switched multi-coupler apparatus and modules and devices using same
JP7523755B2 (ja) * 2018-01-26 2024-07-29 ラインビジョン，インコーポレイテッド 送電線監視のシステムおよび方法
CN110632533B (zh) * 2019-08-08 2022-09-27 苏州博维仪器科技有限公司 一种rf射频电源的功率检测系统
TW202324831A (zh) 2021-06-02 2023-06-16 美商天工方案公司 具有終端之多個配置的定向耦合器

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2833203A1 (de) * 1978-07-27 1980-02-07 Siemens Ag Messwandler mit einer von einem zu messenden strom durchflossenen primaerwicklung
JPS6110327Y2 (fi) * 1980-01-10 1986-04-03
JPH0630031B2 (ja) * 1986-09-25 1994-04-20 日本電気株式会社 自動電力制御回路
US4967159A (en) * 1989-02-23 1990-10-30 Abbott Laboratories Self-balancing reflectometer
FI87030C (fi) * 1989-03-29 1992-11-10 Nokia Mobira Oy Analog pulsformare
US5214372A (en) * 1989-05-11 1993-05-25 Nokia Mobile Phones Ltd. Linearizing circuit for dectection of a RF-power sensor
FI81931C (fi) * 1989-05-12 1990-12-10 Nokia Mobira Oy Foerfarande foer alstring av laoga effektnivaoer i saendaren av en radiotelefon.
FI82796C (fi) * 1989-05-12 1991-04-10 Nokia Mobira Oy Koppling foer alstring av laoga effektnivaoer i saendaren av en radiotelefon.
FI83717C (fi) * 1989-09-25 1991-08-12 Nokia Mobile Phones Ltd Foerfarande foer intrimning och kompensation av effektnivaoer i en radiotelefon.
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
JPH03219714A (ja) * 1990-01-24 1991-09-27 Fujitsu Ltd 自動レベル制御回路
US5109532A (en) * 1990-01-30 1992-04-28 General Instrument Corporation Elimination of phase noise and drift incident to up and down conversion in a broadcast communication system
US5214393A (en) * 1990-08-20 1993-05-25 Matsushita Electric Industrial Co., Ltd. Transmission output control circuit
FR2667999B1 (fr) * 1990-10-10 1996-11-22 Alcatel Espace Dispositif micro-onde correcteur de pente, notamment dans le domaine spatial.
FI88564C (fi) * 1991-01-14 1993-05-25 Nokia Mobile Phones Ltd Styrbar hoegfrekvensdaempare
TW225619B (fi) * 1991-07-19 1994-06-21 Nippon Electric Co
FI92531C (fi) * 1991-07-23 1994-11-25 Nokia Mobile Phones Ltd Suurtaajuusilmaisin laajalla dynamiikalla
JPH0555936A (ja) * 1991-08-21 1993-03-05 Matsushita Electric Ind Co Ltd 送信電力制御装置
US5212815A (en) * 1991-09-03 1993-05-18 Motorola, Inc. Radio equipment directional coupler
FI89845C (fi) * 1991-09-04 1993-11-25 Nokia Mobile Phones Ltd Koppling foer alstring av saendningssignal i en radiotelefon
FI89110C (fi) * 1991-09-19 1993-08-10 Nokia Mobile Phones Ltd Effektdetektor
US5276917A (en) * 1991-10-22 1994-01-04 Nokia Mobile Phones Ltd. Transmitter switch-on in a dual-mode mobile phone
US5304961A (en) * 1992-03-30 1994-04-19 Motorola, Inc. Impedance transforming directional coupler
FI91201C (fi) * 1992-06-05 1994-05-25 Nokia Mobile Phones Ltd Boosteri
FI930632A (fi) * 1993-02-12 1994-08-13 Nokia Mobile Phones Ltd Kytkentä lähetinvahvistimen tehon säätämiseksi
US5432473A (en) * 1993-07-14 1995-07-11 Nokia Mobile Phones, Limited Dual mode amplifier with bias control
US5392464A (en) * 1993-08-19 1995-02-21 Nokia Mobile Phones Ltd. Directional detector for power level control
US5493255A (en) * 1995-03-21 1996-02-20 Nokia Mobile Phones Ltd. Bias control circuit for an RF power amplifier

Also Published As

Publication number Publication date
JPH08335809A (ja) 1996-12-17
US5745016A (en) 1998-04-28
FI952268A0 (fi) 1995-05-10
EP0742649A2 (en) 1996-11-13
EP0742649A3 (en) 1999-01-07
FI101505B1 (fi) 1998-06-30
FI101505B (fi) 1998-06-30

Similar Documents

Publication Publication Date Title
FI101505B1 (fi) Menetelmä suuntakytkimellä toteutetun tehonmittauksen parantamiseksi pienillä tehotasoilla
DE69830295D1 (de) Steuerungsverfahren
NO990643L (no) Tienopyrimidiner
DE69925204D1 (de) Robotersteuerung
FI980343A (fi) Tehonsäätömenetelmä
IS8368A (is) Ný aðferð
DE69529446D1 (de) Tunnelstromsensor
DE69906861D1 (de) Steuermethode
NO20002702D0 (no) Tienopyrimidiner
FI950512A0 (fi) Ny konserveringssammansaettning
DE69818066D1 (de) Verbessertes detektionsverfahren
IS5106A (is) Ný aðferð
DE69533712D1 (de) Überlastungsregelungsverfahren
NO20006531D0 (no) Kontrollmetode
DE69816734D1 (de) Steuerungsverfahren
DE69928197D1 (de) Atzverfahren
DE69617382D1 (de) Stromspeicherzelle
FI981431A0 (fi) Mittausmenetelmä
DE69617383D1 (de) Stromspeicherzelle
NO950475D0 (no) Retningsbestemt jordfeilindikator for luftnett
DE69604765D1 (de) Bf3-promoter-verfahren
FI960710A0 (fi) Framstaellning av dimetylnaftalen genom cyklisering
FI962150A0 (fi) Foerfarande foer framstaellning av ett genom svetsning hopsaettbart trappsteg
KR960037560U (ko) 차선표시구
FI970906A0 (fi) Säätelymenetelmä