DE69033545T2 - Schaltungsanordnung zur Amplitudenregelung - Google Patents

Schaltungsanordnung zur Amplitudenregelung

Info

Publication number
DE69033545T2
DE69033545T2 DE69033545T DE69033545T DE69033545T2 DE 69033545 T2 DE69033545 T2 DE 69033545T2 DE 69033545 T DE69033545 T DE 69033545T DE 69033545 T DE69033545 T DE 69033545T DE 69033545 T2 DE69033545 T2 DE 69033545T2
Authority
DE
Germany
Prior art keywords
circuit arrangement
amplitude control
amplitude
control
arrangement
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
DE69033545T
Other languages
English (en)
Other versions
DE69033545D1 (de
Inventor
Simon Philip O'neil
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 Mobile Phones UK Ltd
Original Assignee
Nokia Mobile Phones UK 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 UK Ltd filed Critical Nokia Mobile Phones UK Ltd
Application granted granted Critical
Publication of DE69033545D1 publication Critical patent/DE69033545D1/de
Publication of DE69033545T2 publication Critical patent/DE69033545T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
DE69033545T 1989-06-20 1990-03-21 Schaltungsanordnung zur Amplitudenregelung Expired - Fee Related DE69033545T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8914142A GB2233515B (en) 1989-06-20 1989-06-20 Levelling control circuit

Publications (2)

Publication Number Publication Date
DE69033545D1 DE69033545D1 (de) 2000-06-21
DE69033545T2 true DE69033545T2 (de) 2001-02-01

Family

ID=10658735

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69033545T Expired - Fee Related DE69033545T2 (de) 1989-06-20 1990-03-21 Schaltungsanordnung zur Amplitudenregelung

Country Status (4)

Country Link
US (1) US5038112A (de)
EP (1) EP0404294B1 (de)
DE (1) DE69033545T2 (de)
GB (1) GB2233515B (de)

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EP0431896B1 (de) * 1989-12-05 1995-06-21 Nec Corporation Leistungsverstärkereinheit mit Leistungsverstärkermodul
US5182527A (en) * 1990-03-30 1993-01-26 Oki Electric Industry Co., Ltd. Power amplifying apparatus for wireless transmitter
US5150075A (en) * 1991-06-03 1992-09-22 Motorola, Inc. Power amplifier ramp up method and apparatus
US5164679A (en) * 1992-01-08 1992-11-17 Harris Corporation AC power amplifier having current limit control
JP3180424B2 (ja) * 1992-03-11 2001-06-25 ソニー株式会社 出力制御回路
US5423082A (en) * 1993-06-24 1995-06-06 Motorola, Inc. Method for a transmitter to compensate for varying loading without an isolator
FI97179C (fi) * 1994-06-15 1996-10-25 Nokia Mobile Phones Ltd Pulssitetun lähettimen lähtötehon säätö ja tehon verhokäyrän muotoilu
US5678209A (en) * 1995-03-31 1997-10-14 Lucent Technologies Inc. Transmit power level detection circuit with enhanced gain characteristics
US5673001A (en) * 1995-06-07 1997-09-30 Motorola, Inc. Method and apparatus for amplifying a signal
FR2745091B1 (fr) * 1996-02-15 1998-04-24 Matra Communication Dispositif de mesure de puissance radiofrequence
US6018650A (en) * 1996-12-18 2000-01-25 Aironet Wireless Communications, Inc. Cellular communication devices with automated power level adjust
FR2766031B1 (fr) * 1997-07-11 1999-10-08 Thomson Csf Procede de commande du gain d'un amplificateur et amplificateur mettant en oeuvre ce procede
JP2001217663A (ja) * 2000-02-02 2001-08-10 Nec Saitama Ltd 送信回路
US6600307B2 (en) 2000-03-02 2003-07-29 Sarnoff Corporation Method and apparatus for measuring true transmitted power using a broadband dual directional coupler
US6960956B2 (en) * 2001-01-12 2005-11-01 Telefonatiebolaget L.M. Ericsson Telefonplan Apparatus and methods for monitoring and controlling power amplifier linearity using detected fundamental and harmonic components
US7071776B2 (en) * 2001-10-22 2006-07-04 Kyocera Wireless Corp. Systems and methods for controlling output power in a communication device
US20040198261A1 (en) * 2002-06-28 2004-10-07 Wei Xiong Method of self-calibration in a wireless transmitter
DE60332867D1 (de) * 2002-12-12 2010-07-15 Nxp Bv Erhaltung der linearität eines isolatorfreien leistungsverstärkers durch dynamisches umschalten aktiver bauelemente
US6924698B2 (en) * 2003-07-31 2005-08-02 Agilent Technologies, Inc. Power detector for mismatched load
JP2005210316A (ja) * 2004-01-21 2005-08-04 Matsushita Electric Ind Co Ltd 反射電力抑制回路
US7256573B2 (en) * 2004-03-31 2007-08-14 Axiom Microdevices, Inc. Distributed active transformer power control techiques
JP4064379B2 (ja) * 2004-07-26 2008-03-19 富士通メディアデバイス株式会社 送信モジュール
US7515884B2 (en) * 2005-03-02 2009-04-07 Cisco Technology, Inc. Method and system for self-calibrating transmit power
US7440731B2 (en) * 2005-07-27 2008-10-21 Freescale Semiconductor, Inc. Power amplifier with VSWR detection and correction feature
WO2009003087A2 (en) * 2007-06-26 2008-12-31 Skyworks Solutions, Inc. Error vector magnitude control within a linear transmitter
DE102011106234A1 (de) * 2011-06-27 2012-12-27 Tesat-Spacecom Gmbh & Co.Kg Verfahren und Vorrichtung zum Schutz eines Hochfrequenz-Leistungsverstärkers gegen Fehlabschluss
US10062680B2 (en) 2014-05-08 2018-08-28 Qualcomm Incorporated Silicon-on-insulator (SOI) complementary metal oxide semiconductor (CMOS) standard library cell circuits having a gate back-bias rail(s), and related systems and methods
US9755670B2 (en) 2014-05-29 2017-09-05 Skyworks Solutions, Inc. Adaptive load for coupler in broadband multimode multiband front end module
GB2542057B (en) 2014-06-12 2021-09-29 Skyworks Solutions Inc Devices and methods related to directional couplers
US9496902B2 (en) 2014-07-24 2016-11-15 Skyworks Solutions, Inc. Apparatus and methods for reconfigurable directional couplers in an RF transceiver with selectable phase shifters
US9685687B2 (en) * 2014-09-15 2017-06-20 Infineon Technologies Ag System and method for a directional coupler
US9692103B2 (en) * 2014-12-10 2017-06-27 Skyworks Solutions, Inc. RF coupler with switch between coupler port and adjustable termination impedance circuit
US10009193B2 (en) * 2015-02-23 2018-06-26 Photonic Systems, Inc. Methods and apparatus for source and load power transfer control
US9947985B2 (en) * 2015-07-20 2018-04-17 Infineon Technologies Ag System and method for a directional coupler
US9634697B2 (en) * 2015-09-09 2017-04-25 Qualcomm Incorporated Antenna selection and tuning
TWI720014B (zh) 2015-09-10 2021-03-01 美商西凱渥資訊處理科技公司 用於多頻功率偵測之電磁耦合器及具有電磁耦合器之系統
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
WO2017172575A1 (en) 2016-03-30 2017-10-05 Skyworks Solutions, Inc. Tunable active silicon for coupler linearity improvement and reconfiguration
KR20180132933A (ko) 2016-04-29 2018-12-12 스카이워크스 솔루션즈, 인코포레이티드 보상된 전자기 커플러
WO2017189825A1 (en) 2016-04-29 2017-11-02 Skyworks Solutions, Inc. Tunable electromagnetic coupler and modules and devices using same
US10284167B2 (en) 2016-05-09 2019-05-07 Skyworks Solutions, Inc. Self-adjusting electromagnetic coupler with automatic frequency detection
US10027292B1 (en) 2016-05-13 2018-07-17 Macom Technology Solutions Holdings, Inc. Compact dual diode RF power detector for integrated power amplifiers
US10164681B2 (en) 2016-06-06 2018-12-25 Skyworks Solutions, Inc. Isolating noise sources and coupling fields in RF chips
CN109565292B (zh) 2016-06-22 2021-02-05 天工方案公司 用于多频功率检测的电磁耦合器装置和包含其的设备
US10573950B2 (en) * 2017-04-11 2020-02-25 Qualcomm Incorporated Directional coupler
US10742189B2 (en) 2017-06-06 2020-08-11 Skyworks Solutions, Inc. Switched multi-coupler apparatus and modules and devices using same
CA3076973C (en) * 2019-03-29 2023-10-31 Neptune Technology Group Inc. Antenna detection using antenna return loss
US20240097333A1 (en) * 2022-09-21 2024-03-21 Qualcomm Incorporated Antenna impedance detection and tuning

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US3449680A (en) * 1966-03-29 1969-06-10 Motorola Inc Transistor protection circuit
US3641451A (en) * 1970-02-24 1972-02-08 Motorola Inc Amplifier protection circuit
US4122400A (en) * 1976-11-08 1978-10-24 Rca Corporation Amplifier protection circuit
US4165493A (en) * 1978-04-17 1979-08-21 Rockwell International Corporation Protected amplifier apparatus
US4353037A (en) * 1980-08-11 1982-10-05 Motorola, Inc. Amplifier protection circuit
US4422047A (en) * 1981-11-23 1983-12-20 E-Systems, Inc. Solid state autotune power amplifier
US4547746A (en) * 1984-04-09 1985-10-15 Rockwell International Corporation VSWR Tolerant linear power amplifier
US4602218A (en) * 1985-04-30 1986-07-22 Motorola, Inc. Automatic output control circuitry for RF power amplifiers with wide dynamic range
US4859967A (en) * 1988-11-09 1989-08-22 Harris Corporation RF power amplifier protection

Also Published As

Publication number Publication date
US5038112A (en) 1991-08-06
GB2233515B (en) 1993-12-15
EP0404294A1 (de) 1990-12-27
GB8914142D0 (en) 1989-08-09
DE69033545D1 (de) 2000-06-21
GB2233515A (en) 1991-01-09
EP0404294B1 (de) 2000-05-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee