ATE118931T1 - Verfahren zur erzeugung der frequenzen eines digitalen funktelefons. - Google Patents

Verfahren zur erzeugung der frequenzen eines digitalen funktelefons.

Info

Publication number
ATE118931T1
ATE118931T1 AT90305298T AT90305298T ATE118931T1 AT E118931 T1 ATE118931 T1 AT E118931T1 AT 90305298 T AT90305298 T AT 90305298T AT 90305298 T AT90305298 T AT 90305298T AT E118931 T1 ATE118931 T1 AT E118931T1
Authority
AT
Austria
Prior art keywords
radio telephone
frequencies
digital radio
generating
synthesiser
Prior art date
Application number
AT90305298T
Other languages
English (en)
Inventor
Raimo Ikonen
Pekka Lonka
Pekka Mikkola
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
Application granted granted Critical
Publication of ATE118931T1 publication Critical patent/ATE118931T1/de

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)
AT90305298T 1989-05-18 1990-05-16 Verfahren zur erzeugung der frequenzen eines digitalen funktelefons. ATE118931T1 (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 (1)

Publication Number Publication Date
ATE118931T1 true ATE118931T1 (de) 1995-03-15

Family

ID=8528460

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90305298T ATE118931T1 (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 (17)

* 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
EP0865693A1 (de) * 1995-12-04 1998-09-23 Advanced Micro Devices, Inc. Verfahren und anordnung zur funkübertragung mit frequenz duplex und zeit duplex verschachtelung
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
BR0108682A (pt) 2000-02-28 2002-11-12 Thomson Licensing Sa Arquitetura para telefones sem-fio

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
US4153876A (en) * 1977-04-27 1979-05-08 Texas Instruments Incorporated Charge transfer device 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
EP0398688B1 (de) 1995-02-22
FI892405A0 (fi) 1989-05-18
EP0398688A2 (de) 1990-11-22
DE69017077D1 (de) 1995-03-30
FI81933C (fi) 1990-12-10
DE69017077T2 (de) 1995-09-14
FI81933B (fi) 1990-08-31
EP0398688A3 (de) 1991-03-27

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties