DE69017077D1 - Verfahren zur Erzeugung der Frequenzen eines digitalen Funktelefons. - Google Patents

Verfahren zur Erzeugung der Frequenzen eines digitalen Funktelefons.

Info

Publication number
DE69017077D1
DE69017077D1 DE69017077T DE69017077T DE69017077D1 DE 69017077 D1 DE69017077 D1 DE 69017077D1 DE 69017077 T DE69017077 T DE 69017077T DE 69017077 T DE69017077 T DE 69017077T DE 69017077 D1 DE69017077 D1 DE 69017077D1
Authority
DE
Germany
Prior art keywords
radio telephone
frequencies
digital radio
generating
synthesiser
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
DE69017077T
Other languages
English (en)
Other versions
DE69017077T2 (de
Inventor
Raimo Ikonen
Pekka Lonka
Pekka Mikkola
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 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
Publication of DE69017077D1 publication Critical patent/DE69017077D1/de
Application granted granted Critical
Publication of DE69017077T2 publication Critical patent/DE69017077T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Lead Frames For Integrated Circuits (AREA)
DE69017077T 1989-05-18 1990-05-16 Verfahren zur Erzeugung der Frequenzen eines digitalen Funktelefons. Expired - Lifetime DE69017077T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI892405A FI81933C (fi) 1989-05-18 1989-05-18 Foerfarande foer alstring av frekvenser i en digital radiotelefon.

Publications (2)

Publication Number Publication Date
DE69017077D1 true DE69017077D1 (de) 1995-03-30
DE69017077T2 DE69017077T2 (de) 1995-09-14

Family

ID=8528460

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69017077T Expired - Lifetime DE69017077T2 (de) 1989-05-18 1990-05-16 Verfahren zur Erzeugung der Frequenzen eines digitalen Funktelefons.

Country Status (4)

Country Link
EP (1) EP0398688B1 (de)
AT (1) ATE118931T1 (de)
DE (1) DE69017077T2 (de)
FI (1) FI81933C (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR940007469B1 (ko) * 1991-05-23 1994-08-18 삼성전자 주식회사 이동 무선전화기에 있어서 주파수 소스회로
JP2998296B2 (ja) * 1991-05-31 2000-01-11 日本電気株式会社 ディジタル無線通信装置
DE4121830A1 (de) * 1991-07-02 1993-01-07 Bosch Gmbh Robert Frequenzaufbereitungsschaltung fuer funkgeraete
FI91819C (fi) * 1991-11-05 1994-08-10 Nokia Mobile Phones Ltd Menetelmä kahden eri taajuusalueella toimivan digitaalisen radiopuhelimen taajuuksien muodostamiseksi
JPH05227054A (ja) * 1992-02-15 1993-09-03 Mitsubishi Electric Corp 無線機
FI102798B1 (fi) * 1992-07-28 1999-02-15 Nokia Mobile Phones Ltd Digitaalisen matkapuhelimen radiotaajuusosan piirijärjestely
GB2272605B (en) * 1992-11-11 1996-11-27 Nokia Mobile Phones Uk Radio frequency circuit for a time division multiple access system
JP3358183B2 (ja) * 1993-04-09 2002-12-16 ソニー株式会社 時分割多重送受信装置
EP0620656B1 (de) * 1993-04-13 1999-07-07 Siemens Aktiengesellschaft Sender-/Empfängeranordnung für höhere Frequenzen
JPH0715371A (ja) * 1993-06-25 1995-01-17 Nec Corp スーパーへテロダイン方式の送受信方法と送受信機
DE4341435A1 (de) * 1993-12-04 1995-06-08 Bosch Gmbh Robert Funkgerät
GB2305037B (en) * 1995-09-08 2000-07-26 Motorola Israel Ltd Frequency modulation circuit and method of operation
US6061575A (en) * 1996-11-06 2000-05-09 Ericsson Inc. Frequency synthesizer circuit for mobile stations
FR2779294A1 (fr) * 1998-05-29 1999-12-03 Thomson Multimedia Sa Dispositif d'emission/reception de signaux
DE19963647B4 (de) * 1999-12-29 2006-09-14 Harman Becker Automotive Systems (Becker Division) Gmbh Mischeranordnung
RU2279761C2 (ru) 2000-02-28 2006-07-10 Томсон Лайсенсинг С.А. Архитектура для беспроводных телефонов

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5344110A (en) * 1976-10-05 1978-04-20 Saibanetsuto Kougiyou Kk System for synchronizing and synthesizing frequency of radio transmitter*receiver
US4132951A (en) * 1977-04-27 1979-01-02 Texas Instruments Incorporated Digital processor controlled radio system
JPS5599851A (en) * 1979-01-24 1980-07-30 Hitachi Ltd Mobile data reception system
US4489413A (en) * 1982-07-19 1984-12-18 M/A-Com Dcc, Inc. Apparatus for controlling the receive and transmit frequency of a transceiver
US4476575A (en) * 1982-12-13 1984-10-09 General Electric Company Radio transceiver

Also Published As

Publication number Publication date
DE69017077T2 (de) 1995-09-14
EP0398688B1 (de) 1995-02-22
FI81933B (fi) 1990-08-31
EP0398688A3 (de) 1991-03-27
ATE118931T1 (de) 1995-03-15
FI81933C (fi) 1990-12-10
FI892405A0 (fi) 1989-05-18
EP0398688A2 (de) 1990-11-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition