JP2008535388A5 - - Google Patents

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Publication number
JP2008535388A5
JP2008535388A5 JP2008504186A JP2008504186A JP2008535388A5 JP 2008535388 A5 JP2008535388 A5 JP 2008535388A5 JP 2008504186 A JP2008504186 A JP 2008504186A JP 2008504186 A JP2008504186 A JP 2008504186A JP 2008535388 A5 JP2008535388 A5 JP 2008535388A5
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JP
Japan
Prior art keywords
path
offset
feedback
signal
transmission path
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.)
Granted
Application number
JP2008504186A
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English (en)
Japanese (ja)
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JP2008535388A (ja
JP5238491B2 (ja
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Publication date
Priority claimed from US11/096,520 external-priority patent/US7369820B2/en
Application filed filed Critical
Publication of JP2008535388A publication Critical patent/JP2008535388A/ja
Publication of JP2008535388A5 publication Critical patent/JP2008535388A5/ja
Application granted granted Critical
Publication of JP5238491B2 publication Critical patent/JP5238491B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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JP2008504186A 2005-04-01 2006-03-24 送信基底帯域におけるｄｃオフセット補正のためのシステム及び方法 Expired - Fee Related JP5238491B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/096,520 US7369820B2 (en) 2005-04-01 2005-04-01 System and method for DC offset correction in transmit baseband
US11/096,520 2005-04-01
PCT/US2006/010739 WO2006107614A2 (en) 2005-04-01 2006-03-24 System and method for dc offset correction in transmit baseband

Publications (3)

Publication Number Publication Date
JP2008535388A JP2008535388A (ja) 2008-08-28
JP2008535388A5 true JP2008535388A5 (enExample) 2009-05-14
JP5238491B2 JP5238491B2 (ja) 2013-07-17

Family

ID=37071200

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008504186A Expired - Fee Related JP5238491B2 (ja) 2005-04-01 2006-03-24 送信基底帯域におけるｄｃオフセット補正のためのシステム及び方法

Country Status (4)

Country Link
US (1) US7369820B2 (enExample)
EP (1) EP1869785B1 (enExample)
JP (1) JP5238491B2 (enExample)
WO (1) WO2006107614A2 (enExample)

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US8559559B2 (en) * 2002-06-20 2013-10-15 Qualcomm, Incorporated Method and apparatus for compensating DC offsets in communication systems
DE602005016387D1 (de) * 2004-04-13 2009-10-15 Maxlinear Inc Doppel-umsetzungsempfänger mit programmierbarer zwischenfrequenz und kanalauswahl
CA2583654C (en) * 2004-10-12 2015-02-17 Maxlinear, Inc. A receiver architecture with digitally generated intermediate frequency
JP2008516537A (ja) * 2004-10-12 2008-05-15 マックスリニアー，インコーポレイティド アップコンバージョンと、これに後続するダイレクトダウンコンバージョンを使用するハイブリッド受信機アーキテクチャ
ATE543262T1 (de) * 2004-12-10 2012-02-15 Maxlinear Inc Empfängerarchitektur und mischer mit oberwellenunterdrückung
KR100735366B1 (ko) * 2005-08-23 2007-07-04 삼성전자주식회사 무선 송수신장치에서 자가 보상장치 및 방법
US8036622B2 (en) * 2005-09-28 2011-10-11 Qualcomm, Incorporated DC offset cancellation circuit for a receiver
KR100860670B1 (ko) * 2005-10-20 2008-09-26 삼성전자주식회사 무선 송수신장치에서 자가 보상방법
TWI311244B (en) * 2006-04-07 2009-06-21 Hon Hai Prec Ind Co Ltd System for cancelling dc offset
US7675983B2 (en) * 2006-04-14 2010-03-09 Freescale Semiconductor, Inc. Mitigation of DC distortion in OFDM receivers
KR101160729B1 (ko) 2006-10-24 2012-06-28 노키아 코포레이션 무선 송신을 통한 방송 방법, 무선 방송 제어 방법, 컴퓨터 판독가능 매체, 전자 장치, 방송 수단 및 방송 제어 수단
US7856048B1 (en) * 2006-11-20 2010-12-21 Marvell International, Ltd. On-chip IQ imbalance and LO leakage calibration for transceivers
US8189707B1 (en) 2007-05-09 2012-05-29 Rf Micro Devices, Inc. DC offset correction of a radio frequency receiver used with a continuous transmission radio frequency signal
KR20100081996A (ko) 2007-10-01 2010-07-15 맥스리니어 인코포레이티드 Ｉ／ｑ 교정 기법
EP2760136B1 (en) 2008-02-28 2018-05-09 Peregrine Semiconductor Corporation Method and apparatus for use in digitally tuning a capacitor in an integrated circuit device
US8625539B2 (en) * 2008-10-08 2014-01-07 Blackberry Limited Method and system for supplemental channel request messages in a wireless network
US8073406B2 (en) * 2008-12-16 2011-12-06 Mediatek Inc. Amplitude modulation circuit in polar transmitter and method for calibrating amplitude offset in polar transmitter
KR20110036371A (ko) * 2009-10-01 2011-04-07 삼성전자주식회사 오디오 증폭기
JP4802283B2 (ja) * 2010-01-08 2011-10-26 株式会社エヌ・ティ・ティ・ドコモ 無線通信装置及び無線通信方法
US9130642B2 (en) * 2010-03-18 2015-09-08 Mediatek Inc. Frequency-selective circuit with mixer module implemented for controlling frequency response, and related signal processing apparatus and method
WO2014000217A1 (en) * 2012-06-28 2014-01-03 St-Ericsson Sa Method, device, receiver, computer program and storage media for removing direct current
TWI473443B (zh) * 2012-07-12 2015-02-11 Issc Technologies Corp 具有補償直流偏移之直接轉換收發器與其操作方法
US10763977B2 (en) * 2015-03-09 2020-09-01 Sony Corporation Device and method for determining a DC component
US9780889B1 (en) * 2016-03-25 2017-10-03 QUALCOMM Incorporaeted Techniques for RF transceiver self-calibration
DE102016110344A1 (de) * 2016-06-03 2017-12-07 Infineon Technologies Ag Rf-empfänger mit eingebauter selbsttestfunktion
CN109923781B (zh) * 2016-11-02 2023-05-30 派赛公司 使用复制电路的失配检测
US10591627B2 (en) * 2016-11-08 2020-03-17 Frederick Energy Products, Llc Managing vehicle movement in aisles by use of magnetic vectors
US10305433B2 (en) 2017-02-28 2019-05-28 Psemi Corporation Power amplifier self-heating compensation circuit
US10056874B1 (en) 2017-02-28 2018-08-21 Psemi Corporation Power amplifier self-heating compensation circuit
JP2019114906A (ja) * 2017-12-22 2019-07-11 ルネサスエレクトロニクス株式会社 半導体装置及び半導体システム
CN114063699B (zh) * 2020-07-31 2022-11-25 星宸科技股份有限公司 直流失调校准系统及其方法
US11431379B1 (en) * 2021-03-31 2022-08-30 Teradyne, Inc. Front-end module
US11894866B2 (en) 2022-03-09 2024-02-06 Apple Inc. Split input amplifier for protection from DC offset
TWI839001B (zh) 2022-12-05 2024-04-11 立積電子股份有限公司 直流偏移校正裝置及其直流偏移校正方法
US12494853B2 (en) * 2022-12-19 2025-12-09 Nxp Usa, Inc. Polar transmitter calibration

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US5584059A (en) 1993-06-30 1996-12-10 Motorola, Inc. DC offset reduction in a zero-if transmitter
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US6385238B1 (en) * 1997-12-03 2002-05-07 Kabushiki Kaisha Toshiba Adaptive equalization and baseline wander correction circuit
US6434204B1 (en) 1999-03-04 2002-08-13 Lucent Technologies Inc. Method and system for DC offset correction of a quadrature modulated RF signal
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US7313198B2 (en) * 2002-03-12 2007-12-25 Motorola Inc. Self calibrating transmit path correction system
US7079595B2 (en) * 2002-04-29 2006-07-18 Broadcom Corporation Radio receiver having direct DC offset compensation
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US20050020217A1 (en) * 2003-07-23 2005-01-27 Ramin Khoini-Poorfard Communication terminal with low carrier feedthrough and communication system using such a terminal
US7593707B2 (en) * 2004-11-01 2009-09-22 Broadcom Corp. Method and system for compensation of DC offset in an RF receiver
US7274232B2 (en) * 2005-03-17 2007-09-25 Realtek Semiconductor Corp. Variable delay clock synthesizer

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