DE3788498T2 - Vektor-Modulatoren und deren Kalibrierung. - Google Patents

Vektor-Modulatoren und deren Kalibrierung.

Info

Publication number
DE3788498T2
DE3788498T2 DE3788498T DE3788498T DE3788498T2 DE 3788498 T2 DE3788498 T2 DE 3788498T2 DE 3788498 T DE3788498 T DE 3788498T DE 3788498 T DE3788498 T DE 3788498T DE 3788498 T2 DE3788498 T2 DE 3788498T2
Authority
DE
Germany
Prior art keywords
calibration
vector modulators
modulators
vector
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
DE3788498T
Other languages
English (en)
Other versions
DE3788498D1 (de
Inventor
Allen P Edwards
David R Gildea
Chung Yiu Lau
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.)
Agilent Technologies Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Application granted granted Critical
Publication of DE3788498D1 publication Critical patent/DE3788498D1/de
Publication of DE3788498T2 publication Critical patent/DE3788498T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H04L27/362—Modulation using more than one carrier, e.g. with quadrature carriers, separately amplitude modulated
    • H04L27/364—Arrangements for overcoming imperfections in the modulator, e.g. quadrature error or unbalanced I and Q levels
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
    • G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0016—Stabilisation of local oscillators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0018—Arrangements at the transmitter end
DE3788498T 1986-10-23 1987-10-20 Vektor-Modulatoren und deren Kalibrierung. Expired - Lifetime DE3788498T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/922,383 US4717894A (en) 1986-10-23 1986-10-23 Calibration of vector modulators using a scalar detector

Publications (2)

Publication Number Publication Date
DE3788498D1 DE3788498D1 (de) 1994-01-27
DE3788498T2 true DE3788498T2 (de) 1994-05-26

Family

ID=25446958

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3788498T Expired - Lifetime DE3788498T2 (de) 1986-10-23 1987-10-20 Vektor-Modulatoren und deren Kalibrierung.

Country Status (4)

Country Link
US (1) US4717894A (de)
EP (1) EP0265218B1 (de)
JP (1) JPH07105775B2 (de)
DE (1) DE3788498T2 (de)

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DE10342583A1 (de) * 2003-09-15 2005-04-14 Infineon Technologies Ag Verfahren zur Trägerrestunterdrückung in einer einen Vektormodulator umfassenden Anordnung

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US20030119473A1 (en) * 1998-11-09 2003-06-26 Smith Stephen H. Adjustable balanced modulator
DE19934215C1 (de) * 1999-07-21 2001-03-29 Rohde & Schwarz Quadraturmischer mit adaptiver Fehlerkompensation
US6265949B1 (en) * 1999-12-22 2001-07-24 Lg Information & Communications, Ltd. Phase compensation apparatus and method for a digital modulator
US6421398B1 (en) 2000-01-28 2002-07-16 Alcatel Canada Inc. Modulation system having on-line IQ calibration
US6421397B1 (en) 2000-01-28 2002-07-16 Alcatel Canada Inc. Modulation system having on-line IQ calibration
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US6760577B2 (en) 2001-03-29 2004-07-06 Maxim Integrated Products, Inc. Alignment methods and apparatus for I/Q phase and amplitude error correction and image rejection improvement
US7039382B2 (en) * 2001-05-15 2006-05-02 Broadcom Corporation DC offset calibration for a radio transceiver mixer
US6771709B2 (en) 2001-10-16 2004-08-03 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Industry System and method for direct transmitter self-calibration
US6763227B2 (en) * 2001-11-07 2004-07-13 Texas Instruments Incorporated Systems and methods for modulator calibration
JP3712985B2 (ja) * 2002-02-22 2005-11-02 アンリツ株式会社 直交変調器のキャリアリーク調整点検出方法、そのキャリアリーク調整方法、及び直交変調装置
US6576841B1 (en) * 2002-03-26 2003-06-10 Office Of Intellectual Property Counsel 3M Innovative Properties Company Cable sealing cover including stress relief
JP3737819B2 (ja) 2002-05-24 2006-01-25 アンリツ株式会社 直交変調器のキャリア直交誤差検出方法及び直交変調装置
US7415077B2 (en) 2002-07-29 2008-08-19 Infineon Technologies Ag Transmission arrangement, particularly for mobile radio
US7251290B2 (en) * 2002-12-16 2007-07-31 Nortel Networks Limited Adaptive controller for linearization of transmitter
US7333557B2 (en) * 2002-12-16 2008-02-19 Nortel Networks Limited Adaptive controller for linearization of transmitter with impairments
WO2004056060A1 (en) * 2002-12-17 2004-07-01 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for quadrature modulation
US6930563B2 (en) * 2003-04-18 2005-08-16 Tektronix, Inc Self-adjusting I-Q modulator system
JP3902184B2 (ja) * 2004-02-24 2007-04-04 株式会社アドバンテスト 直交変調装置、方法、プログラム、記録媒体
JP4376689B2 (ja) * 2004-04-21 2009-12-02 富士通株式会社 直交変調システム
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US7697905B2 (en) * 2004-09-10 2010-04-13 Qualcomm Incorporation Local oscillator feedthrough cancellation scheme to remove RF and baseband offsets
US7355470B2 (en) * 2006-04-24 2008-04-08 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning
US7327803B2 (en) 2004-10-22 2008-02-05 Parkervision, Inc. Systems and methods for vector power amplification
JP4587842B2 (ja) * 2005-02-28 2010-11-24 ルネサスエレクトロニクス株式会社 通信用半導体集積回路
US7826752B1 (en) * 2005-06-02 2010-11-02 Level 3 Communications, Llc Optical transmission apparatuses, methods, and systems
US7203614B2 (en) * 2005-07-29 2007-04-10 Mediatek Inc. Method and calibration system for IQ DC offset and imbalance calibration by utilizing analytic formulas to quickly determined desired compensation values
US9106316B2 (en) * 2005-10-24 2015-08-11 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification
US8334722B2 (en) * 2007-06-28 2012-12-18 Parkervision, Inc. Systems and methods of RF power transmission, modulation and amplification
US7911272B2 (en) 2007-06-19 2011-03-22 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments
US8013675B2 (en) 2007-06-19 2011-09-06 Parkervision, Inc. Combiner-less multiple input single output (MISO) amplification with blended control
US7796960B1 (en) 2006-04-04 2010-09-14 Nortel Networks Limited Signal transmitter linearization
US8886341B1 (en) 2006-04-04 2014-11-11 Microsoft Corporation Adaptive sample-by-sample controller for under-determined systems
US8498590B1 (en) 2006-04-04 2013-07-30 Apple Inc. Signal transmitter linearization
US8995502B1 (en) 2006-04-04 2015-03-31 Apple Inc. Transceiver with spectral analysis
US8031804B2 (en) * 2006-04-24 2011-10-04 Parkervision, Inc. Systems and methods of RF tower transmission, modulation, and amplification, including embodiments for compensating for waveform distortion
US7937106B2 (en) * 2006-04-24 2011-05-03 ParkerVision, Inc, Systems and methods of RF power transmission, modulation, and amplification, including architectural embodiments of same
DE102006027557B4 (de) * 2006-06-14 2010-07-15 Atmel Automotive Gmbh System zur Kalibrierung mindestens eines Quadraturmodulators und Betriebsverfahren hierfür
US7881681B2 (en) * 2006-08-28 2011-02-01 Mediatek Inc. Self-calibrating direct conversion transmitter with converting/steering device
KR101261527B1 (ko) * 2006-10-27 2013-05-06 삼성전자주식회사 직접 변환 구조의 ｒｆ 쿼드러쳐 송수신기에서 부정합을보상하는 방법 및 장치
US7620129B2 (en) * 2007-01-16 2009-11-17 Parkervision, Inc. RF power transmission, modulation, and amplification, including embodiments for generating vector modulation control signals
WO2008144017A1 (en) 2007-05-18 2008-11-27 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
EP2148486A1 (de) * 2008-07-25 2010-01-27 STMicroelectronics N.V. Verfahren und System zur Bearbeitung von Unvollkommenheiten einer Funkfrequenzübertragungskette und Kommunikationsgerät, das eine solche Übertragungskette umfasst
KR101070016B1 (ko) 2009-08-10 2011-10-04 한국과학기술원 입력신호의 이득조절이 가능한 벡터 변조기
CN101694986B (zh) * 2009-11-02 2012-07-04 中国电子科技集团公司第四十一研究所 一种基于模拟基带修正的矢量调制误差补偿方法
KR101067470B1 (ko) 2009-12-09 2011-09-27 한국과학기술원 Ｉｑ 디지털 벡터 변조기
JP4883657B2 (ja) * 2010-08-18 2012-02-22 ルネサスエレクトロニクス株式会社 通信用半導体集積回路
KR20140026458A (ko) 2011-04-08 2014-03-05 파커비전, 인크. Ｒｆ 전력 송신, 변조 및 증폭 시스템들 및 방법들
WO2012167111A2 (en) 2011-06-02 2012-12-06 Parkervision, Inc. Antenna control
KR20160058855A (ko) 2013-09-17 2016-05-25 파커비전, 인크. 정보를 포함하는 시간의 함수를 렌더링하기 위한 방법, 장치 및 시스템
JP6300198B2 (ja) * 2014-03-07 2018-03-28 パナソニックＩｐマネジメント株式会社 キャリアリーク補正装置及びキャリアリーク補正方法
CN104102192B (zh) * 2014-06-27 2017-01-11 中国科学院等离子体物理研究所 一种宽带高功率射频发射机调机方法
CN105676158A (zh) * 2015-12-15 2016-06-15 国网山西省电力公司电力科学研究院 一种双端同步交流采样技术的相位误差补偿方法
CN107202970B (zh) * 2017-05-05 2020-02-18 中国电力科学研究院 一种用于交流分压器输出电压信号的调整方法及装置

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10342583A1 (de) * 2003-09-15 2005-04-14 Infineon Technologies Ag Verfahren zur Trägerrestunterdrückung in einer einen Vektormodulator umfassenden Anordnung
DE10342583B4 (de) * 2003-09-15 2006-01-26 Infineon Technologies Ag Verfahren zur Trägerrestbestimmung in einer einen Vektormodulator umfassenden Anordnung

Also Published As

Publication number Publication date
JPH07105775B2 (ja) 1995-11-13
US4717894A (en) 1988-01-05
EP0265218A2 (de) 1988-04-27
JPS63119339A (ja) 1988-05-24
DE3788498D1 (de) 1994-01-27
EP0265218B1 (de) 1993-12-15
EP0265218A3 (en) 1989-07-26

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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: AGILENT TECHNOLOGIES, INC. (N.D.GES.D.STAATES DELA

8327 Change in the person/name/address of the patent owner

Owner name: AGILENT TECHNOLOGIES, INC. (N.D.GES.D. STAATES, US