JP2004529556A5 - - Google Patents

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Publication number
JP2004529556A5
JP2004529556A5 JP2002578676A JP2002578676A JP2004529556A5 JP 2004529556 A5 JP2004529556 A5 JP 2004529556A5 JP 2002578676 A JP2002578676 A JP 2002578676A JP 2002578676 A JP2002578676 A JP 2002578676A JP 2004529556 A5 JP2004529556 A5 JP 2004529556A5
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JP
Japan
Prior art keywords
frequency
signal
reference signal
divider
logic
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
JP2002578676A
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English (en)
Japanese (ja)
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JP2004529556A (ja
JP4195613B2 (ja
Filing date
Publication date
Priority claimed from US09/823,680 external-priority patent/US6671500B2/en
Application filed filed Critical
Publication of JP2004529556A publication Critical patent/JP2004529556A/ja
Publication of JP2004529556A5 publication Critical patent/JP2004529556A5/ja
Application granted granted Critical
Publication of JP4195613B2 publication Critical patent/JP4195613B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP2002578676A 2001-03-30 2002-03-26 周波数方式 Expired - Fee Related JP4195613B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/823,680 US6671500B2 (en) 2001-03-30 2001-03-30 Frequency plan
PCT/US2002/009232 WO2002080390A1 (en) 2001-03-30 2002-03-26 Frequency plan

Publications (3)

Publication Number Publication Date
JP2004529556A JP2004529556A (ja) 2004-09-24
JP2004529556A5 true JP2004529556A5 (https=) 2008-05-01
JP4195613B2 JP4195613B2 (ja) 2008-12-10

Family

ID=25239403

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002578676A Expired - Fee Related JP4195613B2 (ja) 2001-03-30 2002-03-26 周波数方式

Country Status (9)

Country Link
US (1) US6671500B2 (https=)
EP (1) EP1374427B1 (https=)
JP (1) JP4195613B2 (https=)
KR (1) KR100779471B1 (https=)
CN (1) CN1322678C (https=)
AT (1) ATE425592T1 (https=)
DE (1) DE60231483D1 (https=)
TW (1) TW563302B (https=)
WO (1) WO2002080390A1 (https=)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7142520B1 (en) * 2000-06-16 2006-11-28 Nokia Mobile Phones Ltd. Method and apparatus for mobile internet protocol regional paging
US7047023B1 (en) * 2000-12-01 2006-05-16 Sirf Technology, Inc. GPS RF front end IC with frequency plan for improved integrability
JP3816356B2 (ja) * 2001-06-21 2006-08-30 株式会社東芝 無線送信機
KR100392361B1 (ko) * 2001-07-13 2003-07-23 한국전자통신연구원 우수 고주파 혼합기를 이용한 누설 신호 제거 장치 및 그방법
US8086271B2 (en) * 2001-09-12 2011-12-27 Ericsson Inc. Network architecture for mobile communication network with billing module for shared resources
US20030119470A1 (en) * 2001-12-21 2003-06-26 Persico Charles J. Generating local oscillator signals for downconversion
US6961547B2 (en) * 2002-08-30 2005-11-01 Skyworks Solutions, Inc. Wireless transmitter incorporating a synchronous oscillator in a translation loop
US6834187B1 (en) * 2002-09-05 2004-12-21 Agilent Technologies, Inc. Method of devising a frequency plan for a signal analysis circuit
JP2004296719A (ja) * 2003-03-26 2004-10-21 Renesas Technology Corp 半導体装置
US7447491B2 (en) * 2003-06-06 2008-11-04 Silicon Laboratories Inc. Multi-tuner integrated circuit architecture utilizing frequency isolated local oscillators and associated method
US7463310B2 (en) * 2003-08-14 2008-12-09 Broadcom Corporation BTSC pilot signal lock
US7027780B2 (en) * 2003-09-30 2006-04-11 Broadcom Corporation Technique for improving modulation performance of translational loop RF transmitters
US7620028B2 (en) 2003-11-06 2009-11-17 Atheros Communications, Inc. Multi-channel binding in data transmission
US7434256B2 (en) * 2003-12-18 2008-10-07 Intel Corporation Security management for wireless clients
EP1551099B1 (en) * 2003-12-29 2006-09-20 Freescale Semiconductor, Inc. Radioempfänger
ATE357081T1 (de) * 2004-01-21 2007-04-15 Ericsson Telefon Ab L M Frequenzgenerator mit mehreren spannungsgesteuerten oszillatoren
DE102004023220A1 (de) * 2004-03-11 2005-10-06 Siemens Ag Verfahren und Vorrichtung zum Erzeugen einer Schwingung mit veränderlicher Frequenz
GB2415323B (en) * 2004-06-15 2006-06-28 Motorola Inc Cellular communications system
US7446655B2 (en) * 2004-06-18 2008-11-04 Qualcomm Incorporated Tracking lost and stolen mobile devices using location technologies and equipment identifiers
JP4327666B2 (ja) * 2004-06-23 2009-09-09 株式会社ルネサステクノロジ 無線送信回路及びそれを用いた送受信機
US7333352B2 (en) * 2004-07-01 2008-02-19 Northern Power Systems, Inc. Frequency control and power balancing in disturbed power inverter system and method thereof
CN100389542C (zh) * 2004-11-04 2008-05-21 海信集团有限公司 移动无线终端接收定位系统信号的装置及其方法
US7098754B2 (en) * 2005-01-31 2006-08-29 Rf Micro Devices, Inc. Fractional-N offset phase locked loop
US7474878B1 (en) 2005-03-02 2009-01-06 Rf Micro Devices, Inc. Closed loop polar modulation system with open loop option at low power levels
US7522898B2 (en) * 2005-06-01 2009-04-21 Wilinx Corporation High frequency synthesizer circuits and methods
NL1031209C2 (nl) * 2006-02-22 2007-08-24 Enraf Bv Werkwijze en inrichting voor het nauwkeurig vaststellen van het niveau L van een vloeistof met behulp van naar het vloeistofniveau uitgestraalde radarsignalen en door het vloeistofniveau gereflecteerde radarsignalen.
NL1034327C2 (nl) * 2007-09-04 2009-03-05 Enraf Bv Werkwijze en inrichting voor het binnen een bepaald meetbereik vaststellen van het niveau L van een vloeistof met behulp van naar het vloeistofniveau uitgestraalde radarsignalen en door het vloeistofniveau gereflecteerde radarsignalen.
US9287886B2 (en) * 2008-02-29 2016-03-15 Qualcomm Incorporated Dynamic reference frequency for fractional-N Phase-Locked Loop
WO2010023502A1 (en) * 2008-08-26 2010-03-04 Freescale Semiconductor, Inc. Semiconductor device, wireless communication device and method for generating a synthesized frequency signal
US8659472B2 (en) 2008-09-18 2014-02-25 Enraf B.V. Method and apparatus for highly accurate higher frequency signal generation and related level gauge
US8224594B2 (en) * 2008-09-18 2012-07-17 Enraf B.V. Apparatus and method for dynamic peak detection, identification, and tracking in level gauging applications
US8271212B2 (en) * 2008-09-18 2012-09-18 Enraf B.V. Method for robust gauging accuracy for level gauges under mismatch and large opening effects in stillpipes and related apparatus
KR101051717B1 (ko) 2010-11-23 2011-07-26 삼성탈레스 주식회사 주파수 합성기
CN102508199A (zh) * 2011-11-12 2012-06-20 太原理工大学 一种基于无线电鉴相技术的定位方法
US9046406B2 (en) 2012-04-11 2015-06-02 Honeywell International Inc. Advanced antenna protection for radars in level gauging and other applications
CN103929133B (zh) * 2014-04-16 2017-05-31 广州钧衡微电子科技有限公司 一种功率放大器控制电路
FR3021472B1 (fr) * 2014-05-20 2016-07-01 Commissariat Energie Atomique Dispositif et procede d'emission et/ou de reception de signaux dans au moins deux bandes de frequences de transmission symetriques
US20160079985A1 (en) * 2014-09-16 2016-03-17 Qualcomm Incorporated Quadrature local oscillator phase synthesis and architecture for divide-by-odd-number frequency dividers
US10419046B2 (en) * 2016-05-26 2019-09-17 Mediatek Singapore Pte. Ltd Quadrature transmitter, wireless communication unit, and method for spur suppression
CN105933079B (zh) * 2016-06-01 2018-07-20 国网河北省电力公司电力科学研究院 针对不同频率载波信号通信性能的检测系统及其检测方法
WO2019231922A1 (en) 2018-05-31 2019-12-05 Skyworks Solutions, Inc. Apparatus and methods for multi-antenna communications
US11082021B2 (en) 2019-03-06 2021-08-03 Skyworks Solutions, Inc. Advanced gain shaping for envelope tracking power amplifiers
WO2021061851A1 (en) 2019-09-27 2021-04-01 Skyworks Solutions, Inc. Power amplifier bias modulation for low bandwidth envelope tracking
US11482975B2 (en) 2020-06-05 2022-10-25 Skyworks Solutions, Inc. Power amplifiers with adaptive bias for envelope tracking applications
US11855595B2 (en) 2020-06-05 2023-12-26 Skyworks Solutions, Inc. Composite cascode power amplifiers for envelope tracking applications
US11916587B2 (en) * 2021-09-24 2024-02-27 Qualcomm Incorporated Dynamic subharmonic mixing for power reduction in wireless communications
WO2025081910A1 (en) * 2023-10-19 2025-04-24 The Hong Kong University Of Science And Technology Bandwidth boosting system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4211975A (en) * 1978-04-04 1980-07-08 Anritsu Electric Company, Limited Local signal generation arrangement
GB2117237B (en) * 1982-03-29 1985-07-24 Orvet Bv Paromomycin compositions for topical treatment of cutaneous leishmaniasis
US4479257A (en) * 1982-12-30 1984-10-23 Yaesu Musen Co., Ltd. Superheterodyne circuit having variable bandwidth and center frequency shift function
GB9015059D0 (en) 1990-07-09 1990-08-29 C Com Group Plc Radio receivers
US5696950A (en) * 1993-09-29 1997-12-09 Seiko Epson Corporation Flexible clock and reset signal generation and distribution system having localized programmable frequency synthesizers
FI112133B (fi) 1996-03-29 2003-10-31 Nokia Corp Menetelmä kahdella eri taajuuusalueella toimivan radioviestinjärjestelmän suoramuunnoslähetin/vastaanottimen taajuuksien muodostamiseksi ja kahdella taajuusalueella toimivan radioviestinjärjestelmänsuoramuunnoslähetin/vastaanotin sekä edellisten käyttö matkaviestimessä
DE19743207C1 (de) * 1997-09-30 1999-03-25 Siemens Ag Sender zum Erzeugen eines hochfrequenten Sendesignals
US6122506A (en) * 1998-05-04 2000-09-19 Trimble Navigation Limited GSM cellular telephone and GPS receiver combination
US6526265B1 (en) * 1999-09-14 2003-02-25 Skyworks Solutions, Inc. Wireless transmitter having a modified translation loop architecture

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