ATE395774T1 - Schnelle kalibration elektronischer komponenten - Google Patents

Schnelle kalibration elektronischer komponenten

Info

Publication number
ATE395774T1
ATE395774T1 AT04728532T AT04728532T ATE395774T1 AT E395774 T1 ATE395774 T1 AT E395774T1 AT 04728532 T AT04728532 T AT 04728532T AT 04728532 T AT04728532 T AT 04728532T AT E395774 T1 ATE395774 T1 AT E395774T1
Authority
AT
Austria
Prior art keywords
setting
unwanted
determined
measurements
measured
Prior art date
Application number
AT04728532T
Other languages
English (en)
Inventor
Peter Andersson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE395774T1 publication Critical patent/ATE395774T1/de

Links

Classifications

    • 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
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/38—Angle modulation by converting amplitude modulation to angle modulation
    • H03C3/40—Angle modulation by converting amplitude modulation to angle modulation using two signal paths the outputs of which have a predetermined phase difference and at least one output being amplitude-modulated
    • 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
    • H03D3/009—Compensating quadrature phase or amplitude imbalances
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0016—Stabilisation of local oscillators

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
AT04728532T 2003-05-14 2004-04-21 Schnelle kalibration elektronischer komponenten ATE395774T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US47022103P 2003-05-14 2003-05-14
US10/714,675 US7369813B2 (en) 2003-05-14 2003-11-18 Fast calibration of electronic components

Publications (1)

Publication Number Publication Date
ATE395774T1 true ATE395774T1 (de) 2008-05-15

Family

ID=33423976

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04728532T ATE395774T1 (de) 2003-05-14 2004-04-21 Schnelle kalibration elektronischer komponenten

Country Status (5)

Country Link
US (1) US7369813B2 (de)
EP (1) EP1668858B1 (de)
AT (1) ATE395774T1 (de)
DE (1) DE602004013809D1 (de)
WO (1) WO2004102917A2 (de)

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US7991071B2 (en) 2002-05-16 2011-08-02 Rf Micro Devices, Inc. AM to PM correction system for polar modulator
JP4341418B2 (ja) * 2004-01-30 2009-10-07 日本電気株式会社 直交変調器の調整装置及び調整方法並びに通信装置とプログラム
US7280805B2 (en) * 2004-07-09 2007-10-09 Silicon Storage Technology, Inc. LO leakage and sideband image calibration system and method
GB0508205D0 (en) * 2005-04-22 2005-06-01 Ttp Communications Ltd Assessing the performance of radio devices
GB2427090B (en) * 2005-06-08 2011-01-12 Zarlink Semiconductor Ltd Method of reducing imbalance in a quadrature frequency converter, method of measuring imbalance in such a converter, and apparatus for performing such method
US8224265B1 (en) 2005-06-13 2012-07-17 Rf Micro Devices, Inc. Method for optimizing AM/AM and AM/PM predistortion in a mobile terminal
US20070063888A1 (en) * 2005-09-22 2007-03-22 M/A-Com, Inc. Single side band radar
US7532874B2 (en) * 2005-11-09 2009-05-12 Texas Instruments Incorporated Offset balancer, method of balancing an offset and a wireless receiver employing the balancer and the method
US7962108B1 (en) 2006-03-29 2011-06-14 Rf Micro Devices, Inc. Adaptive AM/PM compensation
WO2008014956A1 (de) * 2006-07-31 2008-02-07 Atmel Duisburg Gmbh Verfahren zum abgleichen eines elektronischen systems
US8145153B2 (en) 2006-09-20 2012-03-27 Nxp B.V. Method and system for calibrating an analogue I/Q-modulator of a transmitter
US7844015B2 (en) * 2006-12-18 2010-11-30 Bigband Networks, Inc. Method for calibrating a quadrature modulator and a modulation system
US8009762B1 (en) * 2007-04-17 2011-08-30 Rf Micro Devices, Inc. Method for calibrating a phase distortion compensated polar modulated radio frequency transmitter
US7860470B2 (en) * 2007-07-20 2010-12-28 Silicon Storage Technology, Inc. Cross coupled high frequency buffer
JPWO2010046957A1 (ja) * 2008-10-24 2012-03-15 株式会社アドバンテスト 直交振幅復調器、復調方法およびそれらを利用した半導体装置および試験装置
KR20110094958A (ko) * 2010-02-18 2011-08-24 엘에스산전 주식회사 무선 송수신기에서 송신누설신호의 상쇄신호 탐색방법
KR101426113B1 (ko) * 2010-03-03 2014-08-06 (주) 네톰 무선 송수신기의 송신누설신호의 상쇄신호 탐색방법 및 장치
TWI419475B (zh) * 2010-04-02 2013-12-11 Faraday Tech Corp 類比數位轉換器的測試系統與測試方法
CN102255837A (zh) * 2010-12-27 2011-11-23 复旦大学 一种直接变频发射机中载波泄漏消除的方法
US9025648B2 (en) * 2013-02-22 2015-05-05 Tektronix, Inc. Measurement of DC offsets in IQ modulators
EP3018843A1 (de) * 2014-11-04 2016-05-11 Sequans Communications Ltd. Schnelle Kalibrierung von elektronischen Vorrichtungen
US10380886B2 (en) 2017-05-17 2019-08-13 Cavh Llc Connected automated vehicle highway systems and methods
CN106992796B (zh) * 2017-03-10 2019-05-03 电子科技大学 一种消除零差式射频接收装置输出信号直流偏移的方法
US10692365B2 (en) 2017-06-20 2020-06-23 Cavh Llc Intelligent road infrastructure system (IRIS): systems and methods
US11735035B2 (en) 2017-05-17 2023-08-22 Cavh Llc Autonomous vehicle and cloud control (AVCC) system with roadside unit (RSU) network
US10867512B2 (en) 2018-02-06 2020-12-15 Cavh Llc Intelligent road infrastructure system (IRIS): systems and methods
EP3794421A4 (de) 2018-05-09 2022-12-21 Cavh Llc Systeme und verfahren zur fahrintelligenzzuweisung zwischen fahrzeugen und autobahnen
US11842642B2 (en) 2018-06-20 2023-12-12 Cavh Llc Connected automated vehicle highway systems and methods related to heavy vehicles
US12057011B2 (en) 2018-06-28 2024-08-06 Cavh Llc Cloud-based technology for connected and automated vehicle highway systems
US12219445B2 (en) 2018-07-10 2025-02-04 Cavh Llc Vehicle on-board unit for connected and automated vehicle systems
WO2020014227A1 (en) 2018-07-10 2020-01-16 Cavh Llc Route-specific services for connected automated vehicle highway systems
US11373122B2 (en) 2018-07-10 2022-06-28 Cavh Llc Fixed-route service system for CAVH systems
CN114745063B (zh) * 2022-06-10 2022-08-16 中星联华科技（北京）有限公司 基于网格取样与极值获取的本振泄露校准方法及系统

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Publication number Priority date Publication date Assignee Title
US5119399A (en) 1990-09-28 1992-06-02 Hewlett-Packard Co. Quadrature measurement and calibration of a vector modulator
GB9211712D0 (en) 1992-06-03 1992-07-15 Fujitsu Microelectronics Ltd Gm digital receive processing
GB2320864B (en) 1996-12-31 2001-07-11 Nokia Mobile Phones Ltd Signal Offset Elimination
EP0981880B1 (de) 1997-05-15 2003-07-09 International Business Machines Corporation Anordnung und verfahren zur rauschvorhersagenden maximal-wahrscheinlichkeitsdetektion
CA2239681C (en) 1997-06-10 2007-08-21 Xinping Huang In-phase and quadrature signal regeneration
FR2785111B1 (fr) 1998-10-23 2004-08-20 St Microelectronics Sa Procede et systeme de reglage du niveau des raies parasites du spectre frequentiel de sortie d'un dispositif de transposition de frequence a bande laterale unique, en particulier incorpore dans un telephone mobile
EP1033852A1 (de) 1999-02-05 2000-09-06 Alcatel Unterdrückung von Gleichspannungsversätzen für Null-ZF-Funkempfänger
US6434204B1 (en) 1999-03-04 2002-08-13 Lucent Technologies Inc. Method and system for DC offset correction of a quadrature modulated RF signal
US6968019B2 (en) * 2000-11-27 2005-11-22 Broadcom Corporation IF FSK receiver
US7142835B2 (en) * 2003-09-29 2006-11-28 Silicon Laboratories, Inc. Apparatus and method for digital image correction in a receiver

Also Published As

Publication number Publication date
EP1668858A2 (de) 2006-06-14
US20040230393A1 (en) 2004-11-18
US7369813B2 (en) 2008-05-06
DE602004013809D1 (de) 2008-06-26
WO2004102917A2 (en) 2004-11-25
WO2004102917A3 (en) 2005-01-20
EP1668858B1 (de) 2008-05-14

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