DE60038027D1 - Verbessertes verfahren und gerät zur frequenzaufwärtswandlung von radiofrequenzsignalen - Google Patents

Verbessertes verfahren und gerät zur frequenzaufwärtswandlung von radiofrequenzsignalen

Info

Publication number
DE60038027D1
DE60038027D1 DE60038027T DE60038027T DE60038027D1 DE 60038027 D1 DE60038027 D1 DE 60038027D1 DE 60038027 T DE60038027 T DE 60038027T DE 60038027 T DE60038027 T DE 60038027T DE 60038027 D1 DE60038027 D1 DE 60038027D1
Authority
DE
Germany
Prior art keywords
signal
improved method
frequency
upgrading
radio frequency
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
DE60038027T
Other languages
English (en)
Other versions
DE60038027T2 (de
Inventor
Tajinder Manku
Chris Snyder
Gareth Weale
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.)
Icera Canada ULC
Original Assignee
Sirific Wireless ULC
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 Sirific Wireless ULC filed Critical Sirific Wireless ULC
Publication of DE60038027D1 publication Critical patent/DE60038027D1/de
Application granted granted Critical
Publication of DE60038027T2 publication Critical patent/DE60038027T2/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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
    • H03D3/008—Compensating DC offsets
    • 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
    • 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
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
    • H03D7/166—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature using two or more quadrature frequency translation stages
    • 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
    • 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
    • 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
    • H04B2001/0491—Circuits with frequency synthesizers, frequency converters or modulators

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Superheterodyne Receivers (AREA)
  • Transmitters (AREA)
  • Transceivers (AREA)
  • Circuits Of Receivers In General (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
DE60038027T 1999-09-01 2000-09-01 Verbessertes verfahren und gerät zur frequenzaufwärtswandlung von radiofrequenzsignalen Expired - Lifetime DE60038027T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CA2281236A CA2281236C (en) 1999-09-01 1999-09-01 Direct conversion rf schemes using a virtually generated local oscillator
CA2281236 1999-09-01
PCT/CA2000/000995 WO2001017121A1 (en) 1999-09-01 2000-09-01 Improved method and apparatus for up-conversion of radio frequency (rf) signals

Publications (2)

Publication Number Publication Date
DE60038027D1 true DE60038027D1 (de) 2008-03-27
DE60038027T2 DE60038027T2 (de) 2009-05-14

Family

ID=4164053

Family Applications (4)

Application Number Title Priority Date Filing Date
DE60038178T Expired - Lifetime DE60038178T2 (de) 1999-09-01 2000-09-01 Frequenzumsetzer unter verwendung eines aperiodischen überlagerungsoszillatorsignals
DE60038027T Expired - Lifetime DE60038027T2 (de) 1999-09-01 2000-09-01 Verbessertes verfahren und gerät zur frequenzaufwärtswandlung von radiofrequenzsignalen
DE20023991U Expired - Lifetime DE20023991U1 (de) 1999-09-01 2000-09-01 Gerät zur Frequenzaufwärtswandlung von Funkfrequenzsignalen
DE20023992U Expired - Lifetime DE20023992U1 (de) 1999-09-01 2000-09-01 Frequenzumsetzer unter Verwendung eines aperiodischen Überlagerungsoszillatorsignals

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE60038178T Expired - Lifetime DE60038178T2 (de) 1999-09-01 2000-09-01 Frequenzumsetzer unter verwendung eines aperiodischen überlagerungsoszillatorsignals

Family Applications After (2)

Application Number Title Priority Date Filing Date
DE20023991U Expired - Lifetime DE20023991U1 (de) 1999-09-01 2000-09-01 Gerät zur Frequenzaufwärtswandlung von Funkfrequenzsignalen
DE20023992U Expired - Lifetime DE20023992U1 (de) 1999-09-01 2000-09-01 Frequenzumsetzer unter Verwendung eines aperiodischen Überlagerungsoszillatorsignals

Country Status (7)

Country Link
US (3) US7016662B1 (de)
EP (3) EP1208651B1 (de)
AT (2) ATE387753T1 (de)
AU (3) AU6974100A (de)
CA (2) CA2281236C (de)
DE (4) DE60038178T2 (de)
WO (3) WO2001017122A1 (de)

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Also Published As

Publication number Publication date
WO2001017120A2 (en) 2001-03-08
EP1208650B1 (de) 2008-02-27
DE20023991U1 (de) 2008-12-18
CA2281236A1 (en) 2001-03-01
DE60038178T2 (de) 2009-07-16
EP1208651B1 (de) 2008-02-13
EP1208653A1 (de) 2002-05-29
WO2001017120A3 (en) 2001-07-26
DE60038178D1 (de) 2008-04-10
WO2001017121A1 (en) 2001-03-08
WO2001017122A1 (en) 2001-03-08
DE20023992U1 (de) 2008-12-18
ATE386367T1 (de) 2008-03-15
CA2381997C (en) 2009-10-27
AU6974100A (en) 2001-03-26
ATE387753T1 (de) 2008-03-15
EP1208651A1 (de) 2002-05-29
AU6974300A (en) 2001-03-26
CA2381997A1 (en) 2001-03-08
US7016662B1 (en) 2006-03-21
AU6974200A (en) 2001-03-26
US7046980B1 (en) 2006-05-16
US6973297B1 (en) 2005-12-06
DE60038027T2 (de) 2009-05-14
CA2281236C (en) 2010-02-09
EP1208650A2 (de) 2002-05-29

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