FI964559A0 - Frequency generation of a multimode device in a radio system - Google Patents

Frequency generation of a multimode device in a radio system

Info

Publication number
FI964559A0
FI964559A0 FI964559A FI964559A FI964559A0 FI 964559 A0 FI964559 A0 FI 964559A0 FI 964559 A FI964559 A FI 964559A FI 964559 A FI964559 A FI 964559A FI 964559 A0 FI964559 A0 FI 964559A0
Authority
FI
Finland
Prior art keywords
radio system
frequency generation
multimode device
multimode
generation
Prior art date
Application number
FI964559A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI964559A (en
FI102122B (en
FI102122B1 (en
Inventor
Eero Nikula
Antti Toskala
Harri Holma
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 FI964559A priority Critical patent/FI102122B1/en
Publication of FI964559A0 publication Critical patent/FI964559A0/en
Priority to AU50526/98A priority patent/AU5052698A/en
Priority to PCT/FI1997/000689 priority patent/WO1998021819A1/en
Publication of FI964559A publication Critical patent/FI964559A/en
Application granted granted Critical
Publication of FI102122B publication Critical patent/FI102122B/en
Publication of FI102122B1 publication Critical patent/FI102122B1/en

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)
FI964559A 1996-11-14 1996-11-14 Generation of frequencies in a multi-mode radio system FI102122B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI964559A FI102122B1 (en) 1996-11-14 1996-11-14 Generation of frequencies in a multi-mode radio system
AU50526/98A AU5052698A (en) 1996-11-14 1997-11-13 Generating frequencies for a multimode device of a radio system
PCT/FI1997/000689 WO1998021819A1 (en) 1996-11-14 1997-11-13 Generating frequencies for a multimode device of a radio system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI964559A FI102122B1 (en) 1996-11-14 1996-11-14 Generation of frequencies in a multi-mode radio system
FI964559 1996-11-14

Publications (4)

Publication Number Publication Date
FI964559A0 true FI964559A0 (en) 1996-11-14
FI964559A FI964559A (en) 1998-05-15
FI102122B FI102122B (en) 1998-10-15
FI102122B1 FI102122B1 (en) 1998-10-15

Family

ID=8547067

Family Applications (1)

Application Number Title Priority Date Filing Date
FI964559A FI102122B1 (en) 1996-11-14 1996-11-14 Generation of frequencies in a multi-mode radio system

Country Status (3)

Country Link
AU (1) AU5052698A (en)
FI (1) FI102122B1 (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
EP1213830B1 (en) 2000-12-07 2003-09-03 Motorola, Inc. Multi-mode radio communications device using a common reference oscillator
EP1366574B1 (en) 2001-03-08 2005-05-11 Infineon Technologies AG Arrangement for the time control of mobile 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
WO2006012275A1 (en) * 2004-06-30 2006-02-02 Silicon Laboratories Inc. Ratiometric transmit path architecture for communication systems
US7376396B2 (en) 2004-06-30 2008-05-20 Silicon Laboratories Inc. Ratiometric transmit path architecture for communication systems
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
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
FI102798B1 (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
FI964559A (en) 1998-05-15
FI102122B (en) 1998-10-15
AU5052698A (en) 1998-06-03
WO1998021819A1 (en) 1998-05-22
FI102122B1 (en) 1998-10-15

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Legal Events

Date Code Title Description
FG Patent granted

Owner name: NOKIA MOBILE PHONES LTD