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DE69825471D1 - Abstimmungsbandbreitenminimierung für einen dualbandempfänger mit niedriger versorgungsspannung - Google Patents

Abstimmungsbandbreitenminimierung für einen dualbandempfänger mit niedriger versorgungsspannung

Info

Publication number
DE69825471D1
DE69825471D1 DE69825471T DE69825471T DE69825471D1 DE 69825471 D1 DE69825471 D1 DE 69825471D1 DE 69825471 T DE69825471 T DE 69825471T DE 69825471 T DE69825471 T DE 69825471T DE 69825471 D1 DE69825471 D1 DE 69825471D1
Authority
DE
Germany
Prior art keywords
voting
supply voltage
dual band
low supply
band receiver
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
DE69825471T
Other languages
English (en)
Inventor
D Boesch
A Dolman
Charles Gore
W Dent
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.)
Ericsson Inc
Original Assignee
Ericsson 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
Priority claimed from US08/974,227 external-priority patent/US6308048B1/en
Application filed by Ericsson Inc filed Critical Ericsson Inc
Application granted granted Critical
Publication of DE69825471D1 publication Critical patent/DE69825471D1/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
    • H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • H04B1/0057—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using diplexing or multiplexing filters for selecting the desired band
    • 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
    • H03D7/161—Multiple-frequency-changing all the frequency changers being connected in cascade
    • H03D7/163—Multiple-frequency-changing all the frequency changers being connected in cascade the local oscillations of at least two of the frequency changers being derived from a single oscillator
    • 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
    • H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • 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
    • H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • H04B1/006—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Superheterodyne Receivers (AREA)
DE69825471T 1997-11-19 1998-11-03 Abstimmungsbandbreitenminimierung für einen dualbandempfänger mit niedriger versorgungsspannung Expired - Lifetime DE69825471D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/974,227 US6308048B1 (en) 1997-11-19 1997-11-19 Simplified reference frequency distribution in a mobile phone
US09/013,926 US6125268A (en) 1997-11-19 1998-01-27 Tuning bandwidth minimization for low voltage dual band receiver
PCT/US1998/023215 WO1999026352A1 (en) 1997-11-19 1998-11-03 Tuning bandwidth minimization for low voltage dual band receiver

Publications (1)

Publication Number Publication Date
DE69825471D1 true DE69825471D1 (de) 2004-09-09

Family

ID=26685426

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69825471T Expired - Lifetime DE69825471D1 (de) 1997-11-19 1998-11-03 Abstimmungsbandbreitenminimierung für einen dualbandempfänger mit niedriger versorgungsspannung

Country Status (5)

Country Link
EP (1) EP1032981B1 (de)
CN (1) CN1286830A (de)
AU (1) AU1372199A (de)
DE (1) DE69825471D1 (de)
WO (1) WO1999026352A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004107590A1 (en) * 2003-05-23 2004-12-09 Skyworks Solutions, Inc. Shared functional block multi-mode multi-band communication transceivers
TWI373925B (en) 2004-02-10 2012-10-01 Tridev Res L L C Tunable resonant circuit, tunable voltage controlled oscillator circuit, tunable low noise amplifier circuit and method of tuning a resonant circuit
US7508898B2 (en) 2004-02-10 2009-03-24 Bitwave Semiconductor, Inc. Programmable radio transceiver
US7672645B2 (en) 2006-06-15 2010-03-02 Bitwave Semiconductor, Inc. Programmable transmitter architecture for non-constant and constant envelope modulation
CN102130697B (zh) 2010-01-20 2015-05-27 华为技术有限公司 接收机、发射机及反馈装置、收发信机和信号处理方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5926466A (en) * 1995-05-16 1999-07-20 Matsushita Electric Industrial Co., Ltd. Time division multiple access FDD wireless unit and time division multiple access FDD/TDD dual mode wireless unit
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
FI100286B (fi) * 1996-04-01 1997-10-31 Nokia Mobile Phones Ltd Lähetin/vastaanotin RF-signaalin lähettämiseksi ja vastaanottamiseksi kahdella taajuusalueella

Also Published As

Publication number Publication date
CN1286830A (zh) 2001-03-07
AU1372199A (en) 1999-06-07
EP1032981B1 (de) 2004-08-04
EP1032981A1 (de) 2000-09-06
WO1999026352A1 (en) 1999-05-27

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Legal Events

Date Code Title Description
8332 No legal effect for de