AU5052698A - Generating frequencies for a multimode device of a radio system - Google Patents

Generating frequencies for a multimode device of a radio system

Info

Publication number
AU5052698A
AU5052698A AU50526/98A AU5052698A AU5052698A AU 5052698 A AU5052698 A AU 5052698A AU 50526/98 A AU50526/98 A AU 50526/98A AU 5052698 A AU5052698 A AU 5052698A AU 5052698 A AU5052698 A AU 5052698A
Authority
AU
Australia
Prior art keywords
radio system
multimode device
generating frequencies
frequencies
generating
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.)
Abandoned
Application number
AU50526/98A
Inventor
Harri Holma
Eero Nikula
Antti Toskala
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 AU5052698A publication Critical patent/AU5052698A/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
    • H03B21/01—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies
    • H03B21/02—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies by plural beating, i.e. for frequency synthesis ; Beating in combination with multiplication or division of frequency
    • H03B21/025—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies by plural beating, i.e. for frequency synthesis ; Beating in combination with multiplication or division of frequency by repeated mixing in combination with division of frequency only
    • 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)
  • Mobile Radio Communication Systems (AREA)
AU50526/98A 1996-11-14 1997-11-13 Generating frequencies for a multimode device of a radio system Abandoned AU5052698A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI964559A FI102122B (en) 1996-11-14 1996-11-14 Generation of frequencies in a multi-mode radio system
FI964559 1996-11-14
PCT/FI1997/000689 WO1998021819A1 (en) 1996-11-14 1997-11-13 Generating frequencies for a multimode device of a radio system

Publications (1)

Publication Number Publication Date
AU5052698A true AU5052698A (en) 1998-06-03

Family

ID=8547067

Family Applications (1)

Application Number Title Priority Date Filing Date
AU50526/98A Abandoned AU5052698A (en) 1996-11-14 1997-11-13 Generating frequencies for a multimode device of a radio system

Country Status (3)

Country Link
AU (1) AU5052698A (en)
FI (1) FI102122B (en)
WO (1) WO1998021819A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6028850A (en) * 1998-07-10 2000-02-22 Hyundai Electronics America, Inc. Wireless transceiver and frequency plan
DE10044258A1 (en) * 2000-09-07 2002-04-04 Siemens Ag Method and device for converting a sampling frequency
ATE249108T1 (en) * 2000-12-07 2003-09-15 Motorola Inc MULTIMODE RADIO COMMUNICATION DEVICE WITH COMMON REFERENCE OSCILLATOR
WO2002073820A1 (en) * 2001-03-08 2002-09-19 Infineon Technologies Ag Arrangement for the time control of mobile communication systems
US7376396B2 (en) 2004-06-30 2008-05-20 Silicon Laboratories Inc. Ratiometric transmit path architecture for communication systems
US7835706B2 (en) 2004-06-30 2010-11-16 Silicon Laboratories, Inc. Local oscillator (LO) port linearization for communication system with ratiometric transmit path architecture
US7376399B2 (en) 2004-06-30 2008-05-20 Silicon Laboratories Inc. Weighted mixing circuitry for quadrature processing in communication systems
US7272373B2 (en) 2004-06-30 2007-09-18 Silacon Laboratories Inc. Ratiometric clock systems for integrated receivers and associated methods
DE602005015717D1 (en) * 2004-06-30 2009-09-10 Silicon Lab Inc WEIGHTED MIXING CIRCUITS FOR QUADRATURE PROCESSING IN COMMUNICATION SYSTEMS
US7480349B2 (en) * 2004-10-12 2009-01-20 Skyworks Solutions, Inc. Low IF receiver systems and methods

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU191730B (en) * 1984-12-19 1987-04-28 Telefongyar Circuit arrangement for generating channel carrier, pilot, system carrier and carrier-receiver frequencies of the multichannel carrier-current telephone equipments of premodulation system
FI102798B (en) * 1992-07-28 1999-02-15 Nokia Mobile Phones Ltd Circuit device in the radio frequency section of a digital mobile phone
FI941862A (en) * 1994-04-21 1995-10-22 Nokia Mobile Phones Ltd Method and radio frequency system for generating frequencies for receivers and transmitters of two radio communication systems operating in different frequency bands and a receiver and transmitter operating in two different frequency bands and the use of the former in a mobile telephone
US5535432A (en) * 1994-09-14 1996-07-09 Ericsson Ge Mobile Communications Inc. Dual-mode satellite/cellular phone with a frequency synthesizer
JPH08223071A (en) * 1995-02-08 1996-08-30 Sony Corp Transmitter and transmitter-receiver

Also Published As

Publication number Publication date
FI964559A0 (en) 1996-11-14
FI102122B1 (en) 1998-10-15
WO1998021819A1 (en) 1998-05-22
FI964559A (en) 1998-05-15
FI102122B (en) 1998-10-15

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