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NO20023665L - Direkteomformingsmodulasjon med redusert lokaloscillatorlekkasje - Google Patents

Direkteomformingsmodulasjon med redusert lokaloscillatorlekkasje

Info

Publication number
NO20023665L
NO20023665L NO20023665A NO20023665A NO20023665L NO 20023665 L NO20023665 L NO 20023665L NO 20023665 A NO20023665 A NO 20023665A NO 20023665 A NO20023665 A NO 20023665A NO 20023665 L NO20023665 L NO 20023665L
Authority
NO
Norway
Prior art keywords
local oscillator
direct transform
oscillator leakage
reduced local
transform modulation
Prior art date
Application number
NO20023665A
Other languages
English (en)
Norwegian (no)
Other versions
NO20023665D0 (no
Inventor
Kazakevich Leonid
Original Assignee
Interdigital Tech Corp
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 Interdigital Tech Corp filed Critical Interdigital Tech Corp
Publication of NO20023665D0 publication Critical patent/NO20023665D0/no
Publication of NO20023665L publication Critical patent/NO20023665L/no

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16Multiple-frequency-changing
    • H03D7/161Multiple-frequency-changing all the frequency changers being connected in cascade
    • H03D7/163Multiple-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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16Multiple-frequency-changing
    • H03D7/165Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
    • H03D7/166Multiple-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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Complex Calculations (AREA)
  • Networks Using Active Elements (AREA)
  • Superheterodyne Receivers (AREA)
  • Transmitters (AREA)
NO20023665A 2000-02-02 2002-08-01 Direkteomformingsmodulasjon med redusert lokaloscillatorlekkasje NO20023665L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US17986100P 2000-02-02 2000-02-02
PCT/US2001/003041 WO2001058103A2 (fr) 2000-02-02 2001-01-31 Modulation de transposition directe a fuite d'oscillateur local reduite

Publications (2)

Publication Number Publication Date
NO20023665D0 NO20023665D0 (no) 2002-08-01
NO20023665L true NO20023665L (no) 2002-09-06

Family

ID=22658289

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20023665A NO20023665L (no) 2000-02-02 2002-08-01 Direkteomformingsmodulasjon med redusert lokaloscillatorlekkasje

Country Status (6)

Country Link
US (1) US20010041546A1 (fr)
EP (1) EP1258119A2 (fr)
AU (1) AU2001233137A1 (fr)
NO (1) NO20023665L (fr)
TW (1) TW508901B (fr)
WO (1) WO2001058103A2 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10142248A1 (de) * 2001-08-29 2003-01-30 Infineon Technologies Ag Sendeanordnung, insbesondere für den Mobilfunk
US6882834B1 (en) * 2002-04-26 2005-04-19 Analog Devices, Inc. Direct conversion receiver apparatus
CA2501860A1 (fr) * 2002-10-15 2004-04-29 Sirific Wireless Corporation Circuit d'ajustage de courant continu destine a abaisser une radiofrequence (rf)
JP2006515498A (ja) * 2003-01-06 2006-05-25 シリフィック ワイヤレス コーポレイション マルチモードモジュレータ及びトランスミッタ
US7206557B2 (en) * 2003-01-08 2007-04-17 Lucent Technologies Inc. Method and apparatus for suppressing local oscillator leakage in a wireless transmitter
EP1623498A1 (fr) * 2003-05-07 2006-02-08 Koninklijke Philips Electronics N.V. Circuits d'entree de recepteur a faible consommation et dispositifs architectures autour de ceux-ci
US7480343B2 (en) * 2003-07-16 2009-01-20 Ericsson Technology Licensing Ab Transceiver architecture with reduced VCO-pulling sensitivity
KR100570712B1 (ko) * 2004-05-17 2006-04-12 전자부품연구원 높은 반송파 억압비를 가지는 2의 n제곱차 저조파 주파수변조기 및 이를 이용한 직접 변환 송신기
US20090028216A1 (en) * 2007-07-26 2009-01-29 M/A-Com, Inc. Method and apparatus for generating a radio frequency pulse
US8331897B2 (en) * 2008-04-07 2012-12-11 Qualcomm Incorporated Highly linear embedded filtering passive mixer
US8238846B2 (en) * 2009-12-18 2012-08-07 Motorola Solutions, Inc. Multi carrier leakage tuning by error power detection
US8964892B2 (en) 2011-08-23 2015-02-24 Motorola Solutions, Inc. Apparatus and method for operating a transmitter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2643966C2 (de) * 1976-09-29 1978-09-28 Siemens Ag, 1000 Berlin Und 8000 Muenchen Einrichtung zur zweifachen Frequenzumsetzung für Nachrichtenübertragungssysteme
CH671856A5 (fr) * 1986-09-05 1989-09-29 Ascom Radiocom Ag
GB9017418D0 (en) * 1990-08-08 1990-09-19 Gen Electric Co Plc Half frequency mixer
US6144846A (en) * 1997-12-31 2000-11-07 Motorola, Inc. Frequency translation circuit and method of translating

Also Published As

Publication number Publication date
TW508901B (en) 2002-11-01
NO20023665D0 (no) 2002-08-01
WO2001058103A2 (fr) 2001-08-09
AU2001233137A1 (en) 2001-08-14
WO2001058103A3 (fr) 2002-02-14
EP1258119A2 (fr) 2002-11-20
US20010041546A1 (en) 2001-11-15

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application
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