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FI945343A - Menetelmä ja kytkentä radiopuhelimen taajuuksien muodostamiseksi - Google Patents

Menetelmä ja kytkentä radiopuhelimen taajuuksien muodostamiseksi Download PDF

Info

Publication number
FI945343A
FI945343A FI945343A FI945343A FI945343A FI 945343 A FI945343 A FI 945343A FI 945343 A FI945343 A FI 945343A FI 945343 A FI945343 A FI 945343A FI 945343 A FI945343 A FI 945343A
Authority
FI
Finland
Prior art keywords
procedure
connection
radio telephone
generating frequencies
frequencies
Prior art date
Application number
FI945343A
Other languages
English (en)
Swedish (sv)
Other versions
FI945343A0 (fi
FI105247B (fi
Inventor
Jaakko Hulkko
Merja Vuolteenaho
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 FI945343A priority Critical patent/FI105247B/fi
Publication of FI945343A0 publication Critical patent/FI945343A0/fi
Priority to CA002158774A priority patent/CA2158774A1/en
Priority to US08/555,012 priority patent/US5740521A/en
Publication of FI945343A publication Critical patent/FI945343A/fi
Application granted granted Critical
Publication of FI105247B publication Critical patent/FI105247B/fi

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/06—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using counters or frequency dividers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Transceivers (AREA)
  • Superheterodyne Receivers (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
FI945343A 1994-11-14 1994-11-14 Menetelmä ja kytkentä radiopuhelimen taajuuksien muodostamiseksi FI105247B (fi)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI945343A FI105247B (fi) 1994-11-14 1994-11-14 Menetelmä ja kytkentä radiopuhelimen taajuuksien muodostamiseksi
CA002158774A CA2158774A1 (en) 1994-11-14 1995-09-21 Method and circuit for creating frequencies for a radio telephone
US08/555,012 US5740521A (en) 1994-11-14 1995-11-13 Method and circuit for creating frequencies for a radio telephone

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI945343 1994-11-14
FI945343A FI105247B (fi) 1994-11-14 1994-11-14 Menetelmä ja kytkentä radiopuhelimen taajuuksien muodostamiseksi

Publications (3)

Publication Number Publication Date
FI945343A0 FI945343A0 (fi) 1994-11-14
FI945343A true FI945343A (fi) 1996-05-15
FI105247B FI105247B (fi) 2000-06-30

Family

ID=8541796

Family Applications (1)

Application Number Title Priority Date Filing Date
FI945343A FI105247B (fi) 1994-11-14 1994-11-14 Menetelmä ja kytkentä radiopuhelimen taajuuksien muodostamiseksi

Country Status (3)

Country Link
US (1) US5740521A (fi)
CA (1) CA2158774A1 (fi)
FI (1) FI105247B (fi)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI106328B (fi) 1996-02-08 2001-01-15 Nokia Mobile Phones Ltd Menetelmä ja piirijärjestely vastaanotetun signaalin käsittelemiseksi
SE519263C2 (sv) * 1996-12-02 2003-02-04 Ericsson Telefon Ab L M Anordning för sändning på flera frekvenser i ett radiokommunikationssystem
JP3255054B2 (ja) * 1996-12-10 2002-02-12 富士通株式会社 デジタル携帯電話機
JP3839117B2 (ja) * 1997-01-30 2006-11-01 株式会社ルネサステクノロジ Ｐｌｌ回路およびそれを用いた無線通信端末機器
JP3848445B2 (ja) * 1997-09-26 2006-11-22 松下電器産業株式会社 複数通信方式対応の無線機
US6208875B1 (en) * 1998-04-08 2001-03-27 Conexant Systems, Inc. RF architecture for cellular dual-band telephones
US6614837B1 (en) * 1998-09-25 2003-09-02 Skyworks Solutions, Inc. Device system and method for low noise radio frequency transmission
FI105609B (fi) * 1998-10-27 2000-09-15 Nokia Mobile Phones Ltd Menetelmä ja järjestely lähetyssignaalin muodostamiseksi
US6522868B1 (en) * 1998-11-04 2003-02-18 Lockheed Martin Corporation Method and apparatus for generating a communication band signal with reduced phase noise
US6526262B1 (en) * 1999-05-19 2003-02-25 International Business Machines Corporation Phase-locked tracking filters for cellular transmit paths
FR2796792B1 (fr) * 1999-07-22 2001-10-12 Cit Alcatel Dispositif d'emission radioelectrique
US6684059B1 (en) * 1999-08-27 2004-01-27 Tachyon, Inc. Frequency generation in a wireless communication system
SE517137C2 (sv) 1999-09-13 2002-04-23 Ericsson Telefon Ab L M Dubbelbands-VCO
JP2001230695A (ja) * 2000-02-16 2001-08-24 Nec Corp 無線機及びそれに使用する周波数変換方法
US6650875B1 (en) * 2000-08-30 2003-11-18 Skyworks Solutions, Inc. Transmitter architecture having a secondary phase-error correction loop including an amplitude reconstruction system
DE10112575A1 (de) * 2001-03-15 2002-10-02 Siemens Ag Verfahren und Vorrichtung zur Erzeugung von Mobilfunksignalen
US20070013451A1 (en) * 2004-04-21 2007-01-18 Motorola, Inc. Circuits for use in radio communications
US8425684B2 (en) * 2005-06-02 2013-04-23 Rcs, Llc Closed-loop system for cleaning vessels containing drilling fluid residue
EP4315598A4 (en) * 2021-03-26 2025-01-29 Nanowave Tech Inc PHASE-LOCKED OSCILLATOR AND METHOD

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3660781A (en) * 1970-10-19 1972-05-02 Bendix Corp Low power frequency synthesizer with two phase locking loops
US4449250A (en) * 1981-12-21 1984-05-15 Motorola, Inc. Radio-frequency synthesizer for duplex radios
US5291474A (en) * 1989-05-18 1994-03-01 Nokia Mobile Phones Ltd. Procedure for forming frequencies of a digital radio telephone
JPH0398325A (ja) * 1989-09-12 1991-04-23 Nippon Hoso Kyokai <Nhk> 周波数制御装置
FI89845C (fi) * 1991-09-04 1993-11-25 Nokia Mobile Phones Ltd Koppling foer alstring av saendningssignal i en radiotelefon
FI89848C (fi) * 1991-09-25 1993-11-25 Nokia Mobile Phones Ltd Generering av saendningssignalen i en mobiltelefon
DE4201415A1 (de) * 1992-01-21 1993-07-22 Telefunken Microelectron Kombiniertes funksende- und -empfangsgeraet mit einer pll-schaltung
JPH06152467A (ja) * 1992-11-06 1994-05-31 Nec Corp 無線通信機
US5392460A (en) * 1993-04-23 1995-02-21 Nokia Mobile Phones Ltd. Dual mode radiotelephone terminal selectively operable for frequency modulated or phase modulated operation
US5422931A (en) * 1993-09-22 1995-06-06 Hughes Aircraft Company Dual mode portable cellular telephone having switch control of the rf signal path to effectuate power savings
EP0680673B1 (en) * 1993-11-22 2001-10-04 Koninklijke Philips Electronics N.V. A telecommunication system, and a first station, a second station, and a transceiver for use in such a system

Also Published As

Publication number Publication date
US5740521A (en) 1998-04-14
FI945343A0 (fi) 1994-11-14
CA2158774A1 (en) 1996-05-15
FI105247B (fi) 2000-06-30

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