DE60325570D1 - Vielseitiges HF-frontend für mobile Mehrband-Endgeräte - Google Patents

Vielseitiges HF-frontend für mobile Mehrband-Endgeräte

Info

Publication number
DE60325570D1
DE60325570D1 DE60325570T DE60325570T DE60325570D1 DE 60325570 D1 DE60325570 D1 DE 60325570D1 DE 60325570 T DE60325570 T DE 60325570T DE 60325570 T DE60325570 T DE 60325570T DE 60325570 D1 DE60325570 D1 DE 60325570D1
Authority
DE
Germany
Prior art keywords
band
require
antenna
differential
frontend
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
DE60325570T
Other languages
English (en)
Inventor
Juha Ellae
Helena Pohjonen
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.)
Nokia Oyj
Original Assignee
Nokia Oyj
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 Nokia Oyj filed Critical Nokia Oyj
Application granted granted Critical
Publication of DE60325570D1 publication Critical patent/DE60325570D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • 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
    • H04B1/005—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
    • H04B1/38—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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
DE60325570T 2002-04-08 2003-03-31 Vielseitiges HF-frontend für mobile Mehrband-Endgeräte Expired - Lifetime DE60325570D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/118,657 US6751470B1 (en) 2002-04-08 2002-04-08 Versatile RF front-end multiband mobile terminals
PCT/IB2003/001173 WO2003085853A1 (en) 2002-04-08 2003-03-31 Versatile rf front-end for multiband mobile terminals

Publications (1)

Publication Number Publication Date
DE60325570D1 true DE60325570D1 (de) 2009-02-12

Family

ID=28789873

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60325570T Expired - Lifetime DE60325570D1 (de) 2002-04-08 2003-03-31 Vielseitiges HF-frontend für mobile Mehrband-Endgeräte

Country Status (8)

Country Link
US (1) US6751470B1 (de)
EP (1) EP1493235B1 (de)
KR (1) KR100966518B1 (de)
CN (1) CN100341252C (de)
AT (1) ATE419680T1 (de)
AU (1) AU2003215814A1 (de)
DE (1) DE60325570D1 (de)
WO (1) WO2003085853A1 (de)

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Also Published As

Publication number Publication date
CN100341252C (zh) 2007-10-03
EP1493235A1 (de) 2005-01-05
EP1493235B1 (de) 2008-12-31
AU2003215814A1 (en) 2003-10-20
KR100966518B1 (ko) 2010-06-29
ATE419680T1 (de) 2009-01-15
US6751470B1 (en) 2004-06-15
WO2003085853A1 (en) 2003-10-16
KR20040097303A (ko) 2004-11-17
EP1493235A4 (de) 2006-11-29
CN1647401A (zh) 2005-07-27

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Legal Events

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