RU2003133453A - Устройство для преобразования с понижением частоты сигналов, передаваемых с использованием множества форматов модуляции, в общий диапазон промежуточных частот - Google Patents

Устройство для преобразования с понижением частоты сигналов, передаваемых с использованием множества форматов модуляции, в общий диапазон промежуточных частот Download PDF

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Publication number
RU2003133453A
RU2003133453A RU2003133453/09A RU2003133453A RU2003133453A RU 2003133453 A RU2003133453 A RU 2003133453A RU 2003133453/09 A RU2003133453/09 A RU 2003133453/09A RU 2003133453 A RU2003133453 A RU 2003133453A RU 2003133453 A RU2003133453 A RU 2003133453A
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RU
Russia
Prior art keywords
frequency
modulation formats
decreasing
lot
conversion
Prior art date
Application number
RU2003133453/09A
Other languages
English (en)
Inventor
Стивен С. ЧИККАРЕЛЛИ (US)
Стивен С. ЧИККАРЕЛЛИ
Саед Г. ЙОУНИС (US)
Саед Г. ЙОУНИС
Original Assignee
Квэлкомм Инкорпорейтед (US)
Квэлкомм Инкорпорейтед
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 Квэлкомм Инкорпорейтед (US), Квэлкомм Инкорпорейтед filed Critical Квэлкомм Инкорпорейтед (US)
Publication of RU2003133453A publication Critical patent/RU2003133453A/ru

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • H04B1/0057—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using diplexing or multiplexing filters for selecting the desired band
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • H04B1/006—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
    • H04B1/406—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with more than one transmission mode, e.g. analog and digital modes

Claims (1)

  1. Приемник, преобразующий с понижением частоты сигналы, модулированные с использованием множества форматов модуляции, в диапазон промежуточных частот, содержащий по меньшей мере один понижающий преобразователь, который преобразует с понижением частоты сигналы, модулированные с использованием множества форматов модуляции, в диапазон промежуточных частот, причем диапазон промежуточных частот центрирован на промежуточной частоте (fIF), и схему выборки, соединенную по меньшей мере с одним понижающим преобразователем, которая дискретизирует преобразуемые с понижением частоты сигналы тактовым генератором дискретизации, который работает с частотой дискретизации (Fs),
    где fIF=[(2k+1)/4]·(Fs)
    и k - целое число, большее или равное 0.
RU2003133453/09A 1998-03-02 2003-11-17 Устройство для преобразования с понижением частоты сигналов, передаваемых с использованием множества форматов модуляции, в общий диапазон промежуточных частот RU2003133453A (ru)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US7652098P 1998-03-02 1998-03-02
US60/076,520 1998-03-02
US09/259,242 US6359940B1 (en) 1998-03-02 1999-02-26 Method and apparatus for downconverting signals transmitted using a plurality of modulation formats to a common intermediate frequency range
US09/259,242 1999-02-26

Publications (1)

Publication Number Publication Date
RU2003133453A true RU2003133453A (ru) 2005-04-20

Family

ID=26758203

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2003133453/09A RU2003133453A (ru) 1998-03-02 2003-11-17 Устройство для преобразования с понижением частоты сигналов, передаваемых с использованием множества форматов модуляции, в общий диапазон промежуточных частот

Country Status (14)

Country Link
US (1) US6359940B1 (ru)
EP (1) EP1060572B1 (ru)
JP (2) JP4354637B2 (ru)
KR (1) KR100581453B1 (ru)
CN (2) CN1158784C (ru)
AU (1) AU769051B2 (ru)
BR (1) BR9908440A (ru)
CA (1) CA2321582C (ru)
DE (1) DE69929680T2 (ru)
ES (1) ES2260904T3 (ru)
HK (2) HK1033718A1 (ru)
IL (1) IL138019A (ru)
RU (1) RU2003133453A (ru)
WO (1) WO1999045654A1 (ru)

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Also Published As

Publication number Publication date
CA2321582A1 (en) 1999-09-10
KR100581453B1 (ko) 2006-05-23
EP1060572A1 (en) 2000-12-20
CN1521952A (zh) 2004-08-18
US6359940B1 (en) 2002-03-19
KR20010041539A (ko) 2001-05-25
EP1060572B1 (en) 2006-02-01
CN1292172A (zh) 2001-04-18
JP4354637B2 (ja) 2009-10-28
CN1158784C (zh) 2004-07-21
JP2002506314A (ja) 2002-02-26
JP2009260978A (ja) 2009-11-05
CN100377498C (zh) 2008-03-26
DE69929680D1 (de) 2006-04-13
IL138019A0 (en) 2001-10-31
BR9908440A (pt) 2000-12-05
CA2321582C (en) 2009-11-17
AU769051B2 (en) 2004-01-15
HK1033718A1 (en) 2001-09-14
IL138019A (en) 2005-11-20
AU3065699A (en) 1999-09-20
HK1068470A1 (en) 2005-04-29
DE69929680T2 (de) 2006-11-02
ES2260904T3 (es) 2006-11-01
WO1999045654A1 (en) 1999-09-10

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FA94 Acknowledgement of application withdrawn (non-payment of fees)

Effective date: 20090428