DE60318988D1 - Modulationsgerät und -verfahren - Google Patents

Modulationsgerät und -verfahren

Info

Publication number
DE60318988D1
DE60318988D1 DE60318988T DE60318988T DE60318988D1 DE 60318988 D1 DE60318988 D1 DE 60318988D1 DE 60318988 T DE60318988 T DE 60318988T DE 60318988 T DE60318988 T DE 60318988T DE 60318988 D1 DE60318988 D1 DE 60318988D1
Authority
DE
Germany
Prior art keywords
modulation device
modulation
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
DE60318988T
Other languages
English (en)
Other versions
DE60318988T2 (de
Inventor
Vincent Francis Fusco
Thorsten Brabetz
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.)
Queens University of Belfast
Original Assignee
Queens University of Belfast
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 Queens University of Belfast filed Critical Queens University of Belfast
Publication of DE60318988D1 publication Critical patent/DE60318988D1/de
Application granted granted Critical
Publication of DE60318988T2 publication Critical patent/DE60318988T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/38—Angle modulation by converting amplitude modulation to angle modulation
    • H03C3/40—Angle modulation by converting amplitude modulation to angle modulation using two signal paths the outputs of which have a predetermined phase difference and at least one output being amplitude-modulated
    • H03C3/403—Angle modulation by converting amplitude modulation to angle modulation using two signal paths the outputs of which have a predetermined phase difference and at least one output being amplitude-modulated using two quadrature frequency conversion stages in cascade
DE60318988T 2002-03-06 2003-02-26 Modulationsgerät und -verfahren Expired - Fee Related DE60318988T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB0205199.3A GB0205199D0 (en) 2002-03-06 2002-03-06 Modulator/transmitter apparatus and method
GB0205199 2002-03-06
PCT/GB2003/000842 WO2003075529A1 (en) 2002-03-06 2003-02-26 Modulator/transmitter apparatus and method

Publications (2)

Publication Number Publication Date
DE60318988D1 true DE60318988D1 (de) 2008-03-20
DE60318988T2 DE60318988T2 (de) 2009-01-29

Family

ID=9932357

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60318988T Expired - Fee Related DE60318988T2 (de) 2002-03-06 2003-02-26 Modulationsgerät und -verfahren

Country Status (6)

Country Link
US (1) US7289573B2 (de)
EP (1) EP1481521B1 (de)
AU (1) AU2003207360A1 (de)
DE (1) DE60318988T2 (de)
GB (1) GB0205199D0 (de)
WO (1) WO2003075529A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK0399947T3 (da) * 1989-05-26 1994-02-14 Metrohm Ag Volumenmåle- og doseringsindretning
US20070212077A1 (en) * 2004-06-16 2007-09-13 Toshihiko Yasue Ultra Wideband Communication System, Transmission Device Reception Device, and Replay Device Used for the Same
JP4676296B2 (ja) * 2005-10-05 2011-04-27 東芝テック株式会社 漏洩伝送路ダイバーシティ装置
US20070177694A1 (en) * 2006-01-17 2007-08-02 Symbol Technologies, Inc. Method and apparatus for signal processing in RFID receivers
US7787547B2 (en) * 2006-03-24 2010-08-31 Broadcom Corporation Hybrid radio frequency transmitter
KR100841433B1 (ko) * 2006-06-19 2008-06-25 삼성전자주식회사 Ｄａｔ가 장착된 ｂｐｓｋ 변조방식을 적용한 폴라 송신기
KR20110090232A (ko) * 2010-02-03 2011-08-10 엘에스산전 주식회사 위상변위기를 이용한 벡터 모듈레이터
KR101358096B1 (ko) * 2011-12-22 2014-02-11 한국과학기술원 전력 증폭기
WO2013185281A1 (zh) * 2012-06-11 2013-12-19 华为技术有限公司 一种基站天线及基站天线馈电网络
JP2014082749A (ja) * 2012-09-28 2014-05-08 Fordan Kk 複合電力増幅器を有する複合送信機
TWI478503B (zh) * 2012-12-14 2015-03-21 Univ Nat Sun Yat Sen 發射機及其射頻輸出訊號產生方法
WO2017057164A1 (ja) * 2015-10-01 2017-04-06 日本電気株式会社 デジタル送信機
WO2021021776A1 (en) * 2019-07-29 2021-02-04 Wu Kefei Broadband signal source architecture

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4196381A (en) * 1977-08-11 1980-04-01 Communications Satellite Corporation Low-power voltage and current diode driver
US4584541A (en) * 1984-12-28 1986-04-22 Rca Corporation Digital modulator with variations of phase and amplitude modulation
US5097230A (en) * 1990-05-24 1992-03-17 Emhiser Research Limited Phase locked loop that includes D. C. modulation
US5021753A (en) * 1990-08-03 1991-06-04 Motorola, Inc. Splatter controlled amplifier
DE4420447C2 (de) * 1993-09-22 1998-07-30 Hewlett Packard Co Phasenschieberschaltung und Quadraturnetzwerk
US5832027A (en) * 1993-11-19 1998-11-03 Victor Company Of Japan, Ltd. Spread spectrum modulating and demodulating apparatus for transmission and reception of FSK and PSK signals
JPH08163189A (ja) 1994-12-06 1996-06-21 Nec Corp 送信回路
US5894496A (en) * 1996-09-16 1999-04-13 Ericsson Inc. Method and apparatus for detecting and compensating for undesired phase shift in a radio transceiver
US6115411A (en) * 1996-12-31 2000-09-05 Lucent Technologies, Inc. System and method for spread spectrum code position modulation and wireless local area network employing the same
US5963852A (en) * 1997-03-24 1999-10-05 Ericsson Inc. Dual band mobile station
US6272336B1 (en) * 1998-12-30 2001-08-07 Samsung Electronics Co., Ltd. Traffic-weighted closed loop power detection system for use with an RF power amplifier and method of operation
US6560296B1 (en) * 1999-05-04 2003-05-06 Lucent Technologies Inc. Method and apparatus for modulating digital data
GB2349994B (en) * 1999-05-10 2003-06-04 Intek Global Technologies Ltd Apparatus for producing a radio-frequency signal
US6307894B2 (en) 1999-05-25 2001-10-23 Conexant Systems, Inc. Power amplification using a direct-upconverting quadrature mixer topology
US6731917B1 (en) * 1999-11-03 2004-05-04 Texas Instruments Incorporated Method and apparatus for minimizing image power in the output of a receiver circuit
US6555440B1 (en) * 2000-06-05 2003-04-29 Agilent Technologies, Inc. Process for fabricating a top side pitted diode device
US6996165B2 (en) * 2001-01-26 2006-02-07 U.S. Monolithics, L.L.C. Single oscillator transceiver frequency plan
US7346313B2 (en) * 2002-03-04 2008-03-18 Cafarella John H Calibration of I-Q balance in transceivers

Also Published As

Publication number Publication date
EP1481521B1 (de) 2008-02-06
GB0205199D0 (en) 2002-04-17
US20050152469A1 (en) 2005-07-14
AU2003207360A1 (en) 2003-09-16
WO2003075529A1 (en) 2003-09-12
US7289573B2 (en) 2007-10-30
DE60318988T2 (de) 2009-01-29
EP1481521A1 (de) 2004-12-01

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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