CN100550873C - 使用偏移锁相环的通信发射机 - Google Patents

使用偏移锁相环的通信发射机 Download PDF

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Publication number
CN100550873C
CN100550873C CNB2003801025256A CN200380102525A CN100550873C CN 100550873 C CN100550873 C CN 100550873C CN B2003801025256 A CNB2003801025256 A CN B2003801025256A CN 200380102525 A CN200380102525 A CN 200380102525A CN 100550873 C CN100550873 C CN 100550873C
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CN
China
Prior art keywords
signal
frequency
oscillator
generate
oscillator signal
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
CNB2003801025256A
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English (en)
Chinese (zh)
Other versions
CN1708968A (zh
Inventor
李康润
宋殷濑
李正雨
朴畯培
李京浩
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GCT Semiconductor Inc
Original Assignee
GCT Semiconductor 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.)
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Publication date
Application filed by GCT Semiconductor Inc filed Critical GCT Semiconductor Inc
Publication of CN1708968A publication Critical patent/CN1708968A/zh
Application granted granted Critical
Publication of CN100550873C publication Critical patent/CN100550873C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H03C3/0966—Modifications of modulator for regulating the mean frequency using a phase locked loop modulating the reference clock
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H03C3/0916—Modifications of modulator for regulating the mean frequency using a phase locked loop with frequency divider or counter in the loop
    • H03C3/0933—Modifications of modulator for regulating the mean frequency using a phase locked loop with frequency divider or counter in the loop using fractional frequency division in the feedback loop of the phase locked loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/04—Modulator circuits; Transmitter circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/12—Modulator circuits; Transmitter circuits
    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
CNB2003801025256A 2002-10-31 2003-10-31 使用偏移锁相环的通信发射机 Expired - Lifetime CN100550873C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/284,342 US6963620B2 (en) 2002-10-31 2002-10-31 Communication transmitter using offset phase-locked-loop
US10/284,342 2002-10-31

Publications (2)

Publication Number Publication Date
CN1708968A CN1708968A (zh) 2005-12-14
CN100550873C true CN100550873C (zh) 2009-10-14

Family

ID=32174848

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2003801025256A Expired - Lifetime CN100550873C (zh) 2002-10-31 2003-10-31 使用偏移锁相环的通信发射机

Country Status (9)

Country Link
US (1) US6963620B2 (https=)
EP (1) EP1557021A1 (https=)
JP (1) JP4416660B2 (https=)
KR (1) KR100997491B1 (https=)
CN (1) CN100550873C (https=)
AU (1) AU2003290564A1 (https=)
CA (1) CA2503070A1 (https=)
TW (1) TW200428834A (https=)
WO (1) WO2004040872A1 (https=)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3092726U (ja) * 2002-09-11 2003-03-28 アルプス電気株式会社 テレビジョンチューナ
US6963620B2 (en) * 2002-10-31 2005-11-08 Gct Semiconductor, Inc. Communication transmitter using offset phase-locked-loop
US7362826B2 (en) * 2003-09-29 2008-04-22 Silicon Laboratories, Inc. Receiver including an oscillation circuit for generating an image rejection calibration tone
EP1722471A1 (fr) * 2005-05-11 2006-11-15 STMicroelectronics N.V. Procédé et dispositif d'élaboration de deux signaux en quadrature de phase, en particulier pour une transposition de fréquence au sein d'un téléphone mobile cellulaire
US7409192B2 (en) 2005-07-21 2008-08-05 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for frequency synthesis in direct-conversion transmitters
US7755437B2 (en) * 2005-08-24 2010-07-13 Qualcomm Incorporated Phase locked loop system having locking and tracking modes of operation
US7949072B2 (en) * 2005-10-11 2011-05-24 St-Ericsson Sa Local oscillator with injection pulling suppression and spurious products filtering
US7683829B2 (en) * 2006-04-24 2010-03-23 Atheros Communications, Inc. Method and apparatus for adapting a receiver frequency plan according to location
US7626462B1 (en) * 2006-05-02 2009-12-01 Rf Micro Devices, Inc. Fractional-N based digital AFC system with a translational PLL transmitter
EP1881608A1 (en) * 2006-07-17 2008-01-23 Via Technologies, Inc. Radio frequency transceiver
US7792497B2 (en) * 2007-03-22 2010-09-07 Mediatek Inc. Method and apparatus for frequency synthesizing
US8059777B2 (en) * 2007-11-16 2011-11-15 Motorola Solutions, Inc. Method and apparatus for generating phase shifted local oscillator signals for a feedback loop on a transmitter
KR102120627B1 (ko) * 2013-07-04 2020-06-09 삼성전자주식회사 기저대역 모뎀에서 자기 파괴 기능을 지원하는 방법 및 장치
US11817871B2 (en) * 2021-01-28 2023-11-14 Anritsu Company Frequency synthesizers having low phase noise

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5184093A (en) * 1991-03-08 1993-02-02 Mitsubishi Denki Kabushiki Kaisha Frequency synthesizer
CN1140941A (zh) * 1995-04-13 1997-01-22 三星电子株式会社 有单个锁相环的收发机设备及其方法
US5717719A (en) * 1994-09-10 1998-02-10 Samsung Electronics Co., Ltd. Digital radio transmission-reception apparatus
US6122326A (en) * 1994-12-13 2000-09-19 Hughes Electronics Corporation High precision, low phase noise synthesizer with vector modulator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4755774A (en) * 1985-07-15 1988-07-05 Motorola Inc. Two-port synthesizer modulation system employing an improved reference phase modulator
GB2320629B (en) * 1996-12-23 2001-04-25 Nokia Mobile Phones Ltd A radio transmitter and phase locked loop therefor
US6115079A (en) * 1998-02-14 2000-09-05 Mcrae; Michael W. Programmable video channel controller
US6483388B2 (en) * 2000-06-21 2002-11-19 Research In Motion Limited Direct digital frequency synthesizer and a hybrid frequency synthesizer combining a direct digital frequency synthesizer and a phase locked loop
US6868261B2 (en) * 2001-09-05 2005-03-15 Broadcom Corporation Transmitter method, apparatus, and frequency plan for minimizing spurious energy
US6963620B2 (en) * 2002-10-31 2005-11-08 Gct Semiconductor, Inc. Communication transmitter using offset phase-locked-loop

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5184093A (en) * 1991-03-08 1993-02-02 Mitsubishi Denki Kabushiki Kaisha Frequency synthesizer
US5717719A (en) * 1994-09-10 1998-02-10 Samsung Electronics Co., Ltd. Digital radio transmission-reception apparatus
US6122326A (en) * 1994-12-13 2000-09-19 Hughes Electronics Corporation High precision, low phase noise synthesizer with vector modulator
CN1140941A (zh) * 1995-04-13 1997-01-22 三星电子株式会社 有单个锁相环的收发机设备及其方法

Also Published As

Publication number Publication date
AU2003290564A1 (en) 2004-05-25
EP1557021A1 (en) 2005-07-27
US6963620B2 (en) 2005-11-08
CN1708968A (zh) 2005-12-14
TW200428834A (en) 2004-12-16
JP2006505196A (ja) 2006-02-09
CA2503070A1 (en) 2004-05-13
HK1082351A1 (zh) 2006-06-02
JP4416660B2 (ja) 2010-02-17
US20040086057A1 (en) 2004-05-06
KR20050071644A (ko) 2005-07-07
KR100997491B1 (ko) 2010-12-01
WO2004040872A1 (en) 2004-05-13

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