ID26491A - Modulator dan demodulator kuadratur - Google Patents

Modulator dan demodulator kuadratur

Info

Publication number
ID26491A
ID26491A IDW20001332A ID20001332A ID26491A ID 26491 A ID26491 A ID 26491A ID W20001332 A IDW20001332 A ID W20001332A ID 20001332 A ID20001332 A ID 20001332A ID 26491 A ID26491 A ID 26491A
Authority
ID
Indonesia
Prior art keywords
demodulator
quadrature modulator
quadrature
modulator
Prior art date
Application number
IDW20001332A
Other languages
English (en)
Inventor
Ralph E Kaufman
Aparin Vladimir
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of ID26491A publication Critical patent/ID26491A/id

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
    • H03D7/166—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature using two or more quadrature frequency translation stages
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2053—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases
    • H04L27/206—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers
    • H04L27/2067—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states
    • H04L27/2071—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states in which the data are represented by the carrier phase, e.g. systems with differential coding
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/0082—Quadrature arrangements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Amplitude Modulation (AREA)
IDW20001332A 1998-01-07 1999-01-06 Modulator dan demodulator kuadratur ID26491A (id)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/004,175 US6240142B1 (en) 1998-01-07 1998-01-07 Quadrature modulator and demodulator

Publications (1)

Publication Number Publication Date
ID26491A true ID26491A (id) 2001-01-11

Family

ID=21709536

Family Applications (1)

Application Number Title Priority Date Filing Date
IDW20001332A ID26491A (id) 1998-01-07 1999-01-06 Modulator dan demodulator kuadratur

Country Status (11)

Country Link
US (1) US6240142B1 (id)
EP (1) EP1046223A1 (id)
JP (1) JP2002501316A (id)
KR (1) KR100609944B1 (id)
CN (1) CN1288607A (id)
AU (1) AU760605B2 (id)
BR (1) BR9906790A (id)
CA (1) CA2316969A1 (id)
ID (1) ID26491A (id)
RU (1) RU2216874C2 (id)
WO (1) WO1999035736A1 (id)

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US6240081B1 (en) * 1998-01-15 2001-05-29 Denso Corporation Multicode CDMA transmitter with improved signal processing
CA2281236C (en) 1999-09-01 2010-02-09 Tajinder Manku Direct conversion rf schemes using a virtually generated local oscillator
US7558556B1 (en) * 1999-10-21 2009-07-07 Broadcom Corporation Adaptive radio transceiver with subsampling mixers
US7113744B1 (en) 1999-10-21 2006-09-26 Broadcom Corporation Adaptive radio transceiver with a power amplifier
US6738601B1 (en) * 1999-10-21 2004-05-18 Broadcom Corporation Adaptive radio transceiver with floating MOSFET capacitors
ES2310525T3 (es) * 1999-10-29 2009-01-16 Qualcomm Incorporated Sistema y procedimiento para aumentar la capacidad de enlace de alimentacion en un sistema de comunicaciones por satelite.
JP4366847B2 (ja) * 2000-08-22 2009-11-18 ソニー株式会社 半導体装置および携帯端末装置
ATE493820T1 (de) * 2000-11-03 2011-01-15 Qualcomm Inc Modulator mit geringer anfälligkeit für amplituden- und phasenfehler des trägersignals
US7095801B1 (en) * 2001-03-30 2006-08-22 Skyworks Solutions, Inc. Phase adjustable polyphase filters
US7136425B2 (en) * 2001-05-31 2006-11-14 Intel Corporation Combining frequency multiplication and modulation
US6728527B2 (en) * 2001-07-10 2004-04-27 Asulab S.A. Double up-conversion modulator
DE10142249A1 (de) * 2001-08-29 2003-04-03 Infineon Technologies Ag Schaltungsanordnung zum Bereitstellen eines komplexwertigen Lokalozillator-Signals und Empfänger
US6621366B1 (en) * 2001-12-07 2003-09-16 Analog Devices, Inc. Parallel-process digital modulator structures and methods
TW595174B (en) * 2002-08-28 2004-06-21 Novatek Microelectronics Corp Signal frequency splitter and frequency shift key decoding apparatus using the same
WO2004034666A1 (en) * 2002-10-11 2004-04-22 Koninklijke Philips Electronics N.V. Multi carrier qam modulator with direct up-conversion
KR100457175B1 (ko) * 2002-12-14 2004-11-16 한국전자통신연구원 직교 변조 송신기
US20060057993A1 (en) * 2002-12-17 2006-03-16 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for quadrature modulation techical field
EP1432195A1 (en) * 2002-12-17 2004-06-23 Telefonaktiebolaget LM Ericsson (publ) Method and apparatus for quadrature modulation
US6816008B2 (en) * 2002-12-31 2004-11-09 Alion Science And Technology Corporation Quasi-linear multi-state digital modulation through non-linear amplifier arrays
EP1499030A3 (en) * 2003-07-14 2006-02-08 Samsung Electronics Co., Ltd. Wideband quadrature generation technique requiring only narrowband components and method thereof
US7298793B2 (en) * 2003-08-21 2007-11-20 Mediatek Inc. Method and apparatus for I/Q mismatch calibration of transmitter
KR100732885B1 (ko) * 2004-12-31 2007-06-27 에스케이텔레시스 주식회사 갭 필러의 위상 잡음 감소장치
JP2006295761A (ja) * 2005-04-14 2006-10-26 Mitsubishi Electric Corp 無線基地局
US7529300B2 (en) * 2005-07-26 2009-05-05 Cubic Corporation Shaped-offset quadrature amplitude modulation methods and apparatus
US20080233869A1 (en) * 2007-03-19 2008-09-25 Thomas Baker Method and system for a single-chip fm tuning system for transmit and receive antennas
RU2350031C1 (ru) * 2007-07-04 2009-03-20 Игорь Борисович Дунаев Способ передачи и приема сигналов квадратурной амплитудной модуляции, система для его осуществления, машиночитаемый носитель и применение способа для синхронизации приема сигналов квадратурной амплитудной модуляции
US7495484B1 (en) * 2007-07-30 2009-02-24 General Instrument Corporation Programmable frequency multiplier
US20090080502A1 (en) * 2007-09-24 2009-03-26 Ahmadreza Rofougaran Method and system for distributed transceivers based on rf quadrature and lo quadrature filtering for high frequency applications
KR100960022B1 (ko) * 2008-08-22 2010-05-28 전자부품연구원 디지털 중간주파수 무선송신기, 고주파 변조 장치 및 방법
JP5310380B2 (ja) * 2009-08-24 2013-10-09 富士通セミコンダクター株式会社 直交変復調回路
FR2997594B1 (fr) * 2012-10-30 2015-11-20 Sagem Defense Securite Procede de demodulation de signaux modules gfsk sur q etats
RU2524673C1 (ru) * 2013-03-07 2014-08-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Иркутский государственный технический университет" (ФГБОУ ВПО "ИрГТУ") Способ измерения вариаций фазового сдвига центральной частоты сигналов с минимальной частотной манипуляцией и устройство для его осуществления
US9680454B2 (en) * 2014-10-28 2017-06-13 Mediatek Inc. Frequency tripler and local oscillator generator
RU2579951C1 (ru) * 2015-01-12 2016-04-10 Федеральное государственное казенное военное образовательное учреждение высшего профессионального образования "Военная академия связи имени Маршала Советского Союза С.М. Буденного" Министерства Обороны Российской Федерации (Минобороны России) Способ формирования сигналов четырехпозиционной квадратурной манипуляции
US10763787B2 (en) * 2015-10-04 2020-09-01 The Trustees Of Columbia University In The City Of New York Circuits for wireless communication on multiple frequency bands
WO2017201534A1 (en) 2016-05-20 2017-11-23 Jianxun Zhu Circuits for wireless communication on multiple frequency bands
JP2019211300A (ja) * 2018-06-04 2019-12-12 株式会社ニレコ 高速ロックインアンプ

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DE3412191A1 (de) 1984-04-02 1985-10-31 Telefunken electronic GmbH, 7100 Heilbronn Integrierbare empfaengerschaltung
FR2589018A1 (fr) 1985-10-22 1987-04-24 Thomson Csf Procede de synthese de frequence et appareil synthetiseur utilisant ce procede
US4816783A (en) 1988-01-11 1989-03-28 Motorola, Inc. Method and apparatus for quadrature modulation
US4852123A (en) 1988-02-05 1989-07-25 Motorola, Inc. Nearly DC IF phase locked transceiver
US5412351A (en) 1993-10-07 1995-05-02 Nystrom; Christian Quadrature local oscillator network
US5706311A (en) * 1995-04-14 1998-01-06 Lucent Technologies Inc. Modulator circuit
US5768700A (en) 1996-03-14 1998-06-16 Advanced Micro Devices, Inc. High conversion gain CMOS mixer

Also Published As

Publication number Publication date
KR20010033953A (ko) 2001-04-25
CA2316969A1 (en) 1999-07-15
US6240142B1 (en) 2001-05-29
RU2216874C2 (ru) 2003-11-20
WO1999035736A1 (en) 1999-07-15
EP1046223A1 (en) 2000-10-25
KR100609944B1 (ko) 2006-08-04
CN1288607A (zh) 2001-03-21
AU760605B2 (en) 2003-05-15
JP2002501316A (ja) 2002-01-15
AU2028299A (en) 1999-07-26
BR9906790A (pt) 2000-10-31

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