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FI102798B1 - Digitaalisen matkapuhelimen radiotaajuusosan piirijärjestely - Google Patents

Digitaalisen matkapuhelimen radiotaajuusosan piirijärjestely

Info

Publication number
FI102798B1
FI102798B1 FI923412A FI923412A FI102798B1 FI 102798 B1 FI102798 B1 FI 102798B1 FI 923412 A FI923412 A FI 923412A FI 923412 A FI923412 A FI 923412A FI 102798 B1 FI102798 B1 FI 102798B1
Authority
FI
Finland
Prior art keywords
mobile phone
radio frequency
circuit device
digital mobile
frequency section
Prior art date
Application number
FI923412A
Other languages
English (en)
Swedish (sv)
Other versions
FI923412L (fi
FI102798B (fi
FI923412A0 (fi
Inventor
Jaakko Hulkko
Original Assignee
Nokia Mobile Phones Ltd
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 Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Priority to FI923412A priority Critical patent/FI102798B1/fi
Publication of FI923412A0 publication Critical patent/FI923412A0/fi
Priority to US08/096,864 priority patent/US5471652A/en
Priority to DE69322009T priority patent/DE69322009T2/de
Priority to EP93305919A priority patent/EP0581573B1/en
Priority to JP18628793A priority patent/JP3310057B2/ja
Publication of FI923412L publication Critical patent/FI923412L/fi
Application granted granted Critical
Publication of FI102798B publication Critical patent/FI102798B/fi
Publication of FI102798B1 publication Critical patent/FI102798B1/fi

Links

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
    • H04B1/005—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
    • 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
    • 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
    • H04B1/405—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with multiple discrete channels
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Transceivers (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
FI923412A 1992-07-28 1992-07-28 Digitaalisen matkapuhelimen radiotaajuusosan piirijärjestely FI102798B1 (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI923412A FI102798B1 (fi) 1992-07-28 1992-07-28 Digitaalisen matkapuhelimen radiotaajuusosan piirijärjestely
US08/096,864 US5471652A (en) 1992-07-28 1993-07-26 Frequency synthesizer and multiplier circuit arrangement for a radio telephone
DE69322009T DE69322009T2 (de) 1992-07-28 1993-07-27 Universelles Funktelefon
EP93305919A EP0581573B1 (en) 1992-07-28 1993-07-27 Universal radio telephone
JP18628793A JP3310057B2 (ja) 1992-07-28 1993-07-28 ディジタル移動電話機の高周波回路構成

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI923412A FI102798B1 (fi) 1992-07-28 1992-07-28 Digitaalisen matkapuhelimen radiotaajuusosan piirijärjestely

Publications (4)

Publication Number Publication Date
FI923412A0 FI923412A0 (fi) 1992-07-28
FI923412L FI923412L (fi) 1994-01-29
FI102798B FI102798B (fi) 1999-02-15
FI102798B1 true FI102798B1 (fi) 1999-02-15

Family

ID=8535658

Family Applications (1)

Application Number Title Priority Date Filing Date
FI923412A FI102798B1 (fi) 1992-07-28 1992-07-28 Digitaalisen matkapuhelimen radiotaajuusosan piirijärjestely

Country Status (5)

Country Link
US (1) US5471652A (fi)
EP (1) EP0581573B1 (fi)
JP (1) JP3310057B2 (fi)
DE (1) DE69322009T2 (fi)
FI (1) FI102798B1 (fi)

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Also Published As

Publication number Publication date
FI923412L (fi) 1994-01-29
EP0581573B1 (en) 1998-11-11
DE69322009D1 (de) 1998-12-17
JPH06209235A (ja) 1994-07-26
DE69322009T2 (de) 1999-05-12
EP0581573A1 (en) 1994-02-02
US5471652A (en) 1995-11-28
JP3310057B2 (ja) 2002-07-29
FI102798B (fi) 1999-02-15
FI923412A0 (fi) 1992-07-28

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Legal Events

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MA Patent expired