FI20055632A0 - Paikallisoskillaattorin vuodon vaimentaminen radiolähettimessä - Google Patents

Paikallisoskillaattorin vuodon vaimentaminen radiolähettimessä

Info

Publication number
FI20055632A0
FI20055632A0 FI20055632A FI20055632A FI20055632A0 FI 20055632 A0 FI20055632 A0 FI 20055632A0 FI 20055632 A FI20055632 A FI 20055632A FI 20055632 A FI20055632 A FI 20055632A FI 20055632 A0 FI20055632 A0 FI 20055632A0
Authority
FI
Finland
Prior art keywords
attenuation
local oscillator
radio transmitter
oscillator leak
leak
Prior art date
Application number
FI20055632A
Other languages
English (en)
Swedish (sv)
Inventor
Andre Dekker
Original Assignee
Nokia 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 Nokia Corp filed Critical Nokia Corp
Priority to FI20055632A priority Critical patent/FI20055632A0/fi
Publication of FI20055632A0 publication Critical patent/FI20055632A0/fi
Priority to US11/431,637 priority patent/US20070123182A1/en
Priority to TW095138197A priority patent/TW200726152A/zh
Priority to EP06820103A priority patent/EP1955440A1/en
Priority to CNA2006800409924A priority patent/CN101300741A/zh
Priority to PCT/FI2006/050524 priority patent/WO2007063184A1/en

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
    • 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)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
FI20055632A 2005-11-30 2005-11-30 Paikallisoskillaattorin vuodon vaimentaminen radiolähettimessä FI20055632A0 (fi)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI20055632A FI20055632A0 (fi) 2005-11-30 2005-11-30 Paikallisoskillaattorin vuodon vaimentaminen radiolähettimessä
US11/431,637 US20070123182A1 (en) 2005-11-30 2006-05-11 Local oscillator leakage cancellation in radio transmitter
TW095138197A TW200726152A (en) 2005-11-30 2006-10-17 Local oscillator leakage cancellation in radio transmitter
EP06820103A EP1955440A1 (en) 2005-11-30 2006-11-28 Local oscillator leakage cancellation in radio transmitter
CNA2006800409924A CN101300741A (zh) 2005-11-30 2006-11-28 无线电发射机中的本地振荡器泄漏消除
PCT/FI2006/050524 WO2007063184A1 (en) 2005-11-30 2006-11-28 Local oscillator leakage cancellation in radio transmitter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20055632A FI20055632A0 (fi) 2005-11-30 2005-11-30 Paikallisoskillaattorin vuodon vaimentaminen radiolähettimessä

Publications (1)

Publication Number Publication Date
FI20055632A0 true FI20055632A0 (fi) 2005-11-30

Family

ID=35458872

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20055632A FI20055632A0 (fi) 2005-11-30 2005-11-30 Paikallisoskillaattorin vuodon vaimentaminen radiolähettimessä

Country Status (6)

Country Link
US (1) US20070123182A1 (fi)
EP (1) EP1955440A1 (fi)
CN (1) CN101300741A (fi)
FI (1) FI20055632A0 (fi)
TW (1) TW200726152A (fi)
WO (1) WO2007063184A1 (fi)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8050649B2 (en) * 2005-08-30 2011-11-01 Qualcomm Incorporated Downconversion mixer with IM2 cancellation
US7606538B2 (en) * 2006-07-14 2009-10-20 Infineon Technologies Ag Mixer circuit and method
US7643802B2 (en) * 2006-07-25 2010-01-05 Infineon Technologies Ag Mixer circuit and method for reducing an up-conversion mixer leakage
US7941106B2 (en) * 2007-05-10 2011-05-10 Skyworks Solutions, Inc. Systems and methods for controlling local oscillator feed-through
FI20075686A0 (fi) * 2007-09-28 2007-09-28 Nokia Corp Konfigurointimenetelmä ja -laite
FI20075763A0 (fi) * 2007-10-30 2007-10-30 Nokia Corp Lähetin ja lähetysmenetelmä
US8792581B2 (en) * 2010-02-18 2014-07-29 Telefonaktiebolaget Lm Ericsson (Publ) RF clock generator with spurious tone cancellation
EP2458729A1 (en) 2010-11-30 2012-05-30 Nxp B.V. A Gilbert mixer including decoupling means
US20140011461A1 (en) * 2012-07-03 2014-01-09 Infineon Technologies Ag System and Method for Attenuating a Signal in a Radio Frequency System
US9787415B2 (en) 2013-03-14 2017-10-10 Analog Devices, Inc. Transmitter LO leakage calibration scheme using loopback circuitry
EP3084972B1 (en) 2013-12-20 2018-08-29 Telefonaktiebolaget LM Ericsson (publ) Method and apparatus for common observation receiver for transmitter and receiver
US11012104B2 (en) 2017-03-03 2021-05-18 Analog Devices, Inc. Apparatus and methods for calibrating radio frequency transmitters to compensate for common mode local oscillator leakage
US11177771B2 (en) * 2018-10-10 2021-11-16 Analog Devices International Unlimited Company Multi-core mixers with local oscillator leakage compensation
TWI739663B (zh) * 2020-11-16 2021-09-11 瑞昱半導體股份有限公司 校正傳送器的方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4700151A (en) * 1985-03-20 1987-10-13 Nec Corporation Modulation system capable of improving a transmission system
US5193224A (en) * 1991-04-24 1993-03-09 Northern Telecom Limited Adaptive phase control for a power amplifier predistorter
US5396196A (en) * 1993-12-29 1995-03-07 At&T Corp. Quadrature modular with adaptive suppression of carrier leakage
JPH1022756A (ja) * 1996-07-04 1998-01-23 Mitsubishi Electric Corp 無線送信機およびその送信制御方法
US6167247A (en) * 1998-07-15 2000-12-26 Lucent Technologies, Inc. Local oscillator leak cancellation circuit
JP3587347B2 (ja) * 1998-08-07 2004-11-10 松下電器産業株式会社 無線通信装置および無線通信装置における送信電力制御方法
DE60031242T2 (de) * 2000-05-09 2007-02-01 Alcatel Verfahren zur Steuerung des Senders in einem Funksendeempfänger und der entsprechende Funksendeempfänger
US6934341B2 (en) * 2000-08-29 2005-08-23 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for plurality signal generation
SE519258C2 (sv) * 2000-11-24 2003-02-04 Ericsson Telefon Ab L M Sändare
US7047264B2 (en) * 2001-03-02 2006-05-16 Samsung Electronics Co., Ltd. Frequency converter
US7206557B2 (en) * 2003-01-08 2007-04-17 Lucent Technologies Inc. Method and apparatus for suppressing local oscillator leakage in a wireless transmitter

Also Published As

Publication number Publication date
TW200726152A (en) 2007-07-01
WO2007063184A1 (en) 2007-06-07
US20070123182A1 (en) 2007-05-31
EP1955440A1 (en) 2008-08-13
CN101300741A (zh) 2008-11-05

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Legal Events

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FD Application lapsed