DE60038024D1 - Verfahren und vorrichtung zur erzeugung eines lokaloszillatorsignals - Google Patents

Verfahren und vorrichtung zur erzeugung eines lokaloszillatorsignals

Info

Publication number
DE60038024D1
DE60038024D1 DE60038024T DE60038024T DE60038024D1 DE 60038024 D1 DE60038024 D1 DE 60038024D1 DE 60038024 T DE60038024 T DE 60038024T DE 60038024 T DE60038024 T DE 60038024T DE 60038024 D1 DE60038024 D1 DE 60038024D1
Authority
DE
Germany
Prior art keywords
band
vco
generating
signal
local oscillator
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
DE60038024T
Other languages
English (en)
Other versions
DE60038024T2 (de
Inventor
Pascal Audinot
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.)
Texas Instruments Inc
Original Assignee
Texas Instruments Inc
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 Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of DE60038024D1 publication Critical patent/DE60038024D1/de
Application granted granted Critical
Publication of DE60038024T2 publication Critical patent/DE60038024T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
    • H04B1/406—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with more than one transmission mode, e.g. analog and digital modes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)
  • Superheterodyne Receivers (AREA)
  • Radio Relay Systems (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
DE60038024T 2000-10-19 2000-10-19 Verfahren und Vorrichtung zur Erzeugung eines Lokaloszillatorsignals Expired - Lifetime DE60038024T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00402902A EP1199811B1 (de) 2000-10-19 2000-10-19 Verfahren und vorrichtung zur erzeugung eines lokaloszillatorsignals

Publications (2)

Publication Number Publication Date
DE60038024D1 true DE60038024D1 (de) 2008-03-27
DE60038024T2 DE60038024T2 (de) 2009-02-05

Family

ID=8173910

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60038024T Expired - Lifetime DE60038024T2 (de) 2000-10-19 2000-10-19 Verfahren und Vorrichtung zur Erzeugung eines Lokaloszillatorsignals

Country Status (4)

Country Link
US (1) US7466968B2 (de)
EP (1) EP1199811B1 (de)
AT (1) ATE386370T1 (de)
DE (1) DE60038024T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6754508B1 (en) 2001-01-25 2004-06-22 National Semiconductor Corporation Multiple-band wireless transceiver with quadrature conversion transmitter and receiver circuits
US7027793B2 (en) 2002-11-15 2006-04-11 Qualcomm Incorporated Direct conversion with variable amplitude LO signals
JP4214098B2 (ja) * 2004-09-09 2009-01-28 株式会社ルネサステクノロジ シグマデルタ送信回路及びそれを用いた送受信機
US7697915B2 (en) * 2004-09-10 2010-04-13 Qualcomm Incorporated Gain boosting RF gain stage with cross-coupled capacitors
US7415286B2 (en) * 2005-04-08 2008-08-19 Broadcom Corporation Gain boosting for local oscillation distribution circuitry
KR101172349B1 (ko) 2006-01-24 2012-08-14 삼성전자주식회사 다중 대역 ｒｆ 수신기를 위한 다중 주파수 합성 장치 및방법

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3115050B2 (ja) * 1991-09-11 2000-12-04 株式会社日立製作所 移動通信機
FI112133B (fi) * 1996-03-29 2003-10-31 Nokia Corp Menetelmä kahdella eri taajuuusalueella toimivan radioviestinjärjestelmän suoramuunnoslähetin/vastaanottimen taajuuksien muodostamiseksi ja kahdella taajuusalueella toimivan radioviestinjärjestelmänsuoramuunnoslähetin/vastaanotin sekä edellisten käyttö matkaviestimessä
KR100201814B1 (ko) * 1996-12-06 1999-06-15 윤종용 삼중 겸용 휴대전화기의 무선신호 처리장치
JPH1141131A (ja) * 1997-07-15 1999-02-12 Toshiba Corp 無線通信装置
US6308048B1 (en) * 1997-11-19 2001-10-23 Ericsson Inc. Simplified reference frequency distribution in a mobile phone
US6208875B1 (en) * 1998-04-08 2001-03-27 Conexant Systems, Inc. RF architecture for cellular dual-band telephones
US6658237B1 (en) * 1999-03-02 2003-12-02 Skyworks Solutions, Inc. Multi-Band transceiver utilizing direct conversion receiver
US6484014B1 (en) * 1999-03-22 2002-11-19 Ericsson Inc. Reduced component frequency plan architecture for dual band transceiver
US6574462B1 (en) * 1999-08-25 2003-06-03 Analog Devices, Inc. Local oscillator apparatus for radio frequency communication systems
US6690949B1 (en) * 1999-09-30 2004-02-10 Skyworks Solutions, Inc. System and process for supporting multiple wireless standards with a single circuit architecture

Also Published As

Publication number Publication date
EP1199811A1 (de) 2002-04-24
EP1199811B1 (de) 2008-02-13
US20020049046A1 (en) 2002-04-25
DE60038024T2 (de) 2009-02-05
US7466968B2 (en) 2008-12-16
ATE386370T1 (de) 2008-03-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition