JP2005507582A5 - - Google Patents

Download PDF

Info

Publication number
JP2005507582A5
JP2005507582A5 JP2003520064A JP2003520064A JP2005507582A5 JP 2005507582 A5 JP2005507582 A5 JP 2005507582A5 JP 2003520064 A JP2003520064 A JP 2003520064A JP 2003520064 A JP2003520064 A JP 2003520064A JP 2005507582 A5 JP2005507582 A5 JP 2005507582A5
Authority
JP
Japan
Prior art keywords
signal
frequency
mixer
unit
filter
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.)
Pending
Application number
JP2003520064A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005507582A (ja
Filing date
Publication date
Priority claimed from EP01203037A external-priority patent/EP1289123A1/fr
Application filed filed Critical
Publication of JP2005507582A publication Critical patent/JP2005507582A/ja
Publication of JP2005507582A5 publication Critical patent/JP2005507582A5/ja
Pending legal-status Critical Current

Links

JP2003520064A 2001-08-10 2002-08-01 低電力ｒｆ受信器の無線周波数信号周波数変換デバイス Pending JP2005507582A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP01203037A EP1289123A1 (fr) 2001-08-10 2001-08-10 Dispositif à conversion de fréquence de signaux radiofréquences pour un récepteur GPS
PCT/EP2002/008566 WO2003015259A2 (en) 2001-08-10 2002-08-01 Radio-frequency signal frequency conversion device for a low power rf receiver

Publications (2)

Publication Number Publication Date
JP2005507582A JP2005507582A (ja) 2005-03-17
JP2005507582A5 true JP2005507582A5 (enExample) 2006-01-05

Family

ID=8180779

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003520064A Pending JP2005507582A (ja) 2001-08-10 2002-08-01 低電力ｒｆ受信器の無線周波数信号周波数変換デバイス

Country Status (7)

Country Link
US (1) US7321754B2 (enExample)
EP (2) EP1289123A1 (enExample)
JP (1) JP2005507582A (enExample)
KR (1) KR20040032902A (enExample)
CN (1) CN100392977C (enExample)
CA (1) CA2456540A1 (enExample)
WO (1) WO2003015259A2 (enExample)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1623499A1 (en) * 2003-05-05 2006-02-08 Koninklijke Philips Electronics N.V. Multistage frequency conversion
US7965994B2 (en) * 2004-10-29 2011-06-21 Broadcom Corporation Method and system for an analog zero-IF interface for GSM receivers
US7551127B2 (en) * 2005-02-10 2009-06-23 Motorola, Inc. Reconfigurable downconverter for a multi-band positioning receiver
KR100756041B1 (ko) * 2005-06-27 2007-09-07 삼성전자주식회사 믹서를 이용한 도허티 증폭장치 및 송신기
RU2331154C2 (ru) * 2005-08-01 2008-08-10 Государственное образовательное учреждение высшего профессионального образования "Северо-Кавказский государственный технический университет" Способ обработки электрического сигнала
CN100438673C (zh) * 2006-03-21 2008-11-26 北京北方烽火科技有限公司 Wcdma系统测试的基站信号发生装置
RU2316889C1 (ru) * 2006-06-20 2008-02-10 Федеральное государственное образовательное учреждение высшего профессионального образования "Морской государственный университет имени адмирала Г.И. Невельского" Частотный детектор радиоэлектронной аппаратуры
US7504879B2 (en) 2006-08-24 2009-03-17 Itt Manufacturing Enterprises, Inc. Transconductor and filter circuit
WO2008107982A1 (ja) * 2007-03-07 2008-09-12 Panasonic Corporation 測位用受信装置
KR101375036B1 (ko) * 2007-08-21 2014-03-17 엘지전자 주식회사 텔레비전 튜너 및 채널튜닝 방법
US7830993B2 (en) * 2008-02-20 2010-11-09 Trimble Navigation Limited Sample decimation in a GNSS receiver
US8891707B2 (en) * 2009-09-21 2014-11-18 Mediatek Inc. Receiving device and method thereof
WO2012128401A1 (ko) * 2011-03-22 2012-09-27 주식회사 플라즈마트 라디오 주파수 신호 처리 장치 및 라디오 주파수 신호 처리 방법
US8838058B2 (en) 2011-05-09 2014-09-16 Bae Systems Information And Electronic Systems Integration Inc. Extending the upper frequency limit of a communications radio
CN102752002B (zh) * 2012-06-29 2015-03-18 深圳数字电视国家工程实验室股份有限公司 一种消除邻频干扰的方法及接收机
JP2014173968A (ja) * 2013-03-08 2014-09-22 Seiko Epson Corp 電子時計
CN104242922B (zh) * 2014-09-16 2017-08-25 华为技术有限公司 无线通信设备及其频率合成装置
CN104993823A (zh) * 2015-06-03 2015-10-21 西安电子科技大学 一种全集成高精度晶振频率产生电路
US10804748B2 (en) * 2016-12-14 2020-10-13 Apple Inc. Wireless power system with foreign object detection

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4445118A (en) * 1981-05-22 1984-04-24 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Navigation system and method
DE3278915D1 (en) * 1981-12-31 1988-09-22 Secr Defence Brit Receivers for navigation satellite systems
JPH0738023B2 (ja) * 1990-02-13 1995-04-26 パイオニア株式会社 Ｇｐｓ受信機の衛星電波捕捉方法
US5134407A (en) * 1991-04-10 1992-07-28 Ashtech Telesis, Inc. Global positioning system receiver digital processing technique
GB9115350D0 (en) * 1991-07-16 1991-08-28 Navstar Ltd A radio receiver
US5420592A (en) * 1993-04-05 1995-05-30 Radix Technologies, Inc. Separated GPS sensor and processing system for remote GPS sensing and centralized ground station processing for remote mobile position and velocity determinations
FI941862A7 (fi) * 1994-04-21 1995-10-22 Nokia Mobile Phones Ltd Menetelmä ja radiotaajuusjärjestelmä kahden eri taajuusalueella toimivan radioviestinjärjestelmän vastaanottimen ja lähettimen taajuuksien muodostamiseksi ja kahdella eri taajuusalueella toimiva vastaanotin ja lähetin sekä edellisten käyttö matkapuhelimessa
ZA95605B (en) * 1994-04-28 1995-12-20 Qualcomm Inc Method and apparatus for automatic gain control and dc offset cancellation in quadrature receiver
US6061390A (en) * 1994-09-02 2000-05-09 California Institute Of Technology P-code enhanced method for processing encrypted GPS signals without knowledge of the encryption code
US5884214A (en) * 1996-09-06 1999-03-16 Snaptrack, Inc. GPS receiver and method for processing GPS signals
US5663734A (en) * 1995-10-09 1997-09-02 Precision Tracking, Inc. GPS receiver and method for processing GPS signals
US5627548A (en) * 1995-11-30 1997-05-06 Trimble Navigation Limited Navigation wristwear
US6215442B1 (en) * 1997-02-03 2001-04-10 Snaptrack, Inc. Method and apparatus for determining time in a satellite positioning system
US5905460A (en) * 1997-07-17 1999-05-18 Seiko Instruments Inc. Wrist watch type GPS receiver
US6552995B1 (en) * 1998-02-19 2003-04-22 Advantest Corporation Spectrum diffusion signal analyzer and method of analyzing diffusion signal
EP1033820A4 (en) * 1998-09-30 2004-08-11 Mitsubishi Electric Corp HARMONIOUS DIRECT CONVERSION RECEIVER AND TRANSMITTER RECEIVER WITH THE SAME RECEIVER
DE69920273T2 (de) * 1998-11-12 2005-09-22 Broadcom Corp., Irvine Integrierte tunerarchitektur
US6297770B1 (en) * 2000-05-23 2001-10-02 Mitsubishi Denki Kabushiki Kaisha Global positioning system and global positioning method with improved sensitivity by detecting navigation data inversion boundaries
DE19926101B4 (de) * 1999-06-08 2004-04-08 Rohde & Schwarz Gmbh & Co. Kg Anordnung zur Fehlerkompensation bei der Umsetzung von Hochfrequenzsignalen ins Basisband
CA2281236C (en) * 1999-09-01 2010-02-09 Tajinder Manku Direct conversion rf schemes using a virtually generated local oscillator
TW508914B (en) * 2000-07-04 2002-11-01 Asulab Sa Low power RF receiver with redistribution of synchronisation tasks
AU2001275880A1 (en) * 2000-07-10 2002-01-21 Silicon Laboratories, Inc. Digitally-synthesized loop filter circuit particularly useful for a phase locked loop

Similar Documents

Publication Publication Date Title
JP2005507582A5 (enExample)
CN101507102B (zh) 多功能无源混频器
JP4056145B2 (ja) Ｐｌｌ回路およびそれを用いた無線通信端末機器
CN100392977C (zh) 低功率射频接收机用的射频信号频率变换装置
CN100583861C (zh) 双点调制型相位调制装置、双极调制发送装置、无线发送装置以及无线通信装置
CN101395810B (zh) 可降低噪声的射频信号接收和/或发射设备
JP5007891B2 (ja) 直角位相サンプリング用クロック信号発生方法及び装置
US7965994B2 (en) Method and system for an analog zero-IF interface for GSM receivers
US7043221B2 (en) Mixer circuit with image frequency rejection, in particular for an RF receiver with zero or low intermediate frequency
JP4282345B2 (ja) 半導体集積回路装置
JP2007096694A (ja) Ｆｍトランスミッタ
JP4679763B2 (ja) 受信機
WO2002069512A1 (fr) Convertisseur de frequence et dispositif de communication
TW200818730A (en) Receiver
JP2011077611A (ja) 受信回路、電子機器およびイメージ抑圧受信方法
CN101120509B (zh) 同时接收不同标准的接收机
JP2006515498A (ja) マルチモードモジュレータ及びトランスミッタ
JP2002118479A (ja) ディジタル放送受信回路、発振信号生成回路及びディジタル放送受信方法
JP2007243805A (ja) 受信回路
JP2011109518A (ja) 送受信機および受信機
CN110196437B (zh) 卫星信号接收电路及卫星信号接收方法
JP2789814B2 (ja) 個別選択呼出受信装置
JP2001217886A (ja) 移相器
JP4385521B2 (ja) 送受信機
WO2008059560A1 (fr) Récepteur à conversion directe