ATE388526T1 - Reduktion von radiofrequentem übersprechen - Google Patents

Reduktion von radiofrequentem übersprechen

Info

Publication number
ATE388526T1
ATE388526T1 AT03076803T AT03076803T ATE388526T1 AT E388526 T1 ATE388526 T1 AT E388526T1 AT 03076803 T AT03076803 T AT 03076803T AT 03076803 T AT03076803 T AT 03076803T AT E388526 T1 ATE388526 T1 AT E388526T1
Authority
AT
Austria
Prior art keywords
modulation unit
power amplifier
crosstalk
reduction
signals
Prior art date
Application number
AT03076803T
Other languages
English (en)
Inventor
Andreas Tagesson
Johan Gustavsson
Original Assignee
Sony Ericsson Mobile Comm Ab
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 Sony Ericsson Mobile Comm Ab filed Critical Sony Ericsson Mobile Comm Ab
Application granted granted Critical
Publication of ATE388526T1 publication Critical patent/ATE388526T1/de

Links

Classifications

    • 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
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver
    • 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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0475—Circuits with means for limiting noise, interference or distortion

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Transceivers (AREA)
  • Telephone Set Structure (AREA)
  • Amplifiers (AREA)
AT03076803T 2003-06-10 2003-06-10 Reduktion von radiofrequentem übersprechen ATE388526T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03076803A EP1489750B1 (de) 2003-06-10 2003-06-10 Reduktion von radiofrequentem Übersprechen

Publications (1)

Publication Number Publication Date
ATE388526T1 true ATE388526T1 (de) 2008-03-15

Family

ID=33395908

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03076803T ATE388526T1 (de) 2003-06-10 2003-06-10 Reduktion von radiofrequentem übersprechen

Country Status (6)

Country Link
US (1) US20070147276A1 (de)
EP (1) EP1489750B1 (de)
CN (1) CN1836377A (de)
AT (1) ATE388526T1 (de)
DE (1) DE60319511T2 (de)
WO (1) WO2004112265A1 (de)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0780993A3 (de) * 1995-12-21 2000-01-19 Lucent Technologies Inc. Mobilfunkeinheit, das auf mehreren Frequenzbändern betriebsfähig ist
US5774017A (en) * 1996-06-03 1998-06-30 Anadigics, Inc. Multiple-band amplifier
US5794159A (en) * 1996-08-07 1998-08-11 Nokia Mobile Phones Limited Dual band mobile station employing cross-connected transmitter and receiver circuits
US6091966A (en) * 1997-09-29 2000-07-18 Ericsson, Inc. Dual-band, dual-mode power amplifier
US6188877B1 (en) * 1997-07-03 2001-02-13 Ericsson Inc. Dual-band, dual-mode power amplifier with reduced power loss
GB2346049A (en) * 1999-01-19 2000-07-26 Roke Manor Research Duplex filtering
GB2362544A (en) * 2000-05-17 2001-11-21 Roke Manor Research Filtering module for multi-mode communiction terminal
JP3895532B2 (ja) * 2000-09-11 2007-03-22 株式会社ルネサステクノロジ 高周波電力増幅装置及び無線通信機
CN1639968A (zh) * 2002-09-05 2005-07-13 株式会社瑞萨科技 用于放大高频的电子组件和射频通讯系统

Also Published As

Publication number Publication date
EP1489750B1 (de) 2008-03-05
CN1836377A (zh) 2006-09-20
EP1489750A1 (de) 2004-12-22
US20070147276A1 (en) 2007-06-28
DE60319511T2 (de) 2009-03-26
WO2004112265A1 (en) 2004-12-23
DE60319511D1 (de) 2008-04-17

Similar Documents

Publication Publication Date Title
MXPA01000420A (es) Metodo y aparato para la amplificacion de senales dependiente de la modulacion.
DE60333431D1 (de) Duplexer und Kommunikationsgerät
EP0911985A3 (de) Dualbandsender mit schaltbaren Anpassunsschaltung
AU6998900A (en) Parallel operation of devices using multiple communication standards
EP0977354A4 (de) Vertärker zur radioübertragung
MY116300A (en) Monolithic high frequency antenna switch
WO2003047142A1 (en) Radio transmission apparatus and radio transmission method
AU2003239495A1 (en) Method and apparatus for a multiple modulation transmitter
WO2004109755A3 (en) Signal interfacing techniques to simplify integrated circuit radio designs
AU5399400A (en) Communication device
AU2003207863A1 (en) Portable device comprising a communication station configuration and a data carrier configuration
TW370753B (en) Input buffer circuit
EP1343335A4 (de) Funkkommunikationsbasisstationssystem mit einer optischen fortschrittlichen basisstation
ATE455390T1 (de) Hüllenwiederherstellungsschema zur linearen leistungsverstärkung von hoher leistung
EP1345322A4 (de) Leistungsverstaerker und kommunikationsgeraet
EP1248491A3 (de) Ultraschallbasiertes parametrisches Lautsprechersystem
AU7660100A (en) Estimating an indicator for a communication path
GB2261325A (en) Transmitter filter with integral directional coupler for cellular telephones
ATE388526T1 (de) Reduktion von radiofrequentem übersprechen
AU1217101A (en) Bridge interface circuit
BR0312221A (pt) Cancelamento cego de modulação cruzada por adição de sinal modulado
ATE377849T1 (de) Umschaltbarer kombinierer und integrierte kombiniervorrichtung zu seiner verwendung
GB2389715B (en) Method of combining signals and device therefor
AU2002348893A1 (en) Frequency modulator using switched capacitors
TW200507469A (en) Radio frequency communication between devices via a power plane on a circuit board

Legal Events

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