JP2003273651A5 - - Google Patents

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Publication number
JP2003273651A5
JP2003273651A5 JP2002066884A JP2002066884A JP2003273651A5 JP 2003273651 A5 JP2003273651 A5 JP 2003273651A5 JP 2002066884 A JP2002066884 A JP 2002066884A JP 2002066884 A JP2002066884 A JP 2002066884A JP 2003273651 A5 JP2003273651 A5 JP 2003273651A5
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JP
Japan
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.)
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JP2002066884A
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JP4041323B2 (ja
JP2003273651A (ja
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Priority claimed from JP2002066884A external-priority patent/JP4041323B2/ja
Priority to JP2002066884A priority Critical patent/JP4041323B2/ja
Priority to DE60333968T priority patent/DE60333968D1/de
Priority to EP03005251A priority patent/EP1345375B1/en
Priority to US10/384,556 priority patent/US7075383B2/en
Priority to CNB03120547XA priority patent/CN1260891C/zh
Publication of JP2003273651A publication Critical patent/JP2003273651A/ja
Priority to US11/122,115 priority patent/US7224238B2/en
Publication of JP2003273651A5 publication Critical patent/JP2003273651A5/ja
Priority to US11/790,017 priority patent/US7876170B2/en
Publication of JP4041323B2 publication Critical patent/JP4041323B2/ja
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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JP2002066884A 2002-03-12 2002-03-12 周波数変調装置、周波数変調方法、および、無線回路装置 Expired - Lifetime JP4041323B2 (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP2002066884A JP4041323B2 (ja) 2002-03-12 2002-03-12 周波数変調装置、周波数変調方法、および、無線回路装置
DE60333968T DE60333968D1 (de) 2002-03-12 2003-03-10 Verfahren und Einrichtung zur Frequenzmodulation
EP03005251A EP1345375B1 (en) 2002-03-12 2003-03-10 Method and apparatus for frequency modulation
CNB03120547XA CN1260891C (zh) 2002-03-12 2003-03-11 频率调制器，频率调制方法和无线电线路
US10/384,556 US7075383B2 (en) 2002-03-12 2003-03-11 Frequency modulator, frequency modulating method, and wireless circuit
US11/122,115 US7224238B2 (en) 2002-03-12 2005-05-05 Frequency modulator, frequency modulating method, and wireless circuit
US11/790,017 US7876170B2 (en) 2002-03-12 2007-04-23 Frequency modulator, frequency modulating method, and wireless circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002066884A JP4041323B2 (ja) 2002-03-12 2002-03-12 周波数変調装置、周波数変調方法、および、無線回路装置

Publications (3)

Publication Number Publication Date
JP2003273651A JP2003273651A (ja) 2003-09-26
JP2003273651A5 true JP2003273651A5 (ja) 2005-07-28
JP4041323B2 JP4041323B2 (ja) 2008-01-30

Family

ID=27764490

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002066884A Expired - Lifetime JP4041323B2 (ja) 2002-03-12 2002-03-12 周波数変調装置、周波数変調方法、および、無線回路装置

Country Status (5)

Country Link
US (3) US7075383B2 (ja)
EP (1) EP1345375B1 (ja)
JP (1) JP4041323B2 (ja)
CN (1) CN1260891C (ja)
DE (1) DE60333968D1 (ja)

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US7741918B1 (en) 2005-06-30 2010-06-22 Cypress Semiconductor Corporation System and method for an enhanced noise shaping for spread spectrum modulation
US7701297B1 (en) 2005-06-30 2010-04-20 Cypress Semiconductor Corporation Spread spectrum frequency synthesizer with improved frequency shape by adjusting the length of a standard curve used for spread spectrum modulation
US7405629B2 (en) 2005-06-30 2008-07-29 Cypress Semiconductor Corp. Frequency modulator, circuit, and method that uses multiple vector accumulation to achieve fractional-N frequency synthesis
US7961059B1 (en) 2005-06-30 2011-06-14 Cypress Semiconductor Corporation Phase lock loop control system and method with non-consecutive feedback divide values
US7813411B1 (en) 2005-06-30 2010-10-12 Cypress Semiconductor Corporation Spread spectrum frequency synthesizer with high order accumulation for frequency profile generation
US8174326B1 (en) 2005-06-30 2012-05-08 Cypress Semiconductor Corporation Phase lock loop control error selection system and method
US8072277B1 (en) 2005-06-30 2011-12-06 Cypress Semiconductor Corporation Spread spectrum frequency synthesizer
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CN1731680B (zh) * 2005-08-12 2010-04-28 曹伟勋 一种直接调制压控振荡器的频率调制器和调制方法
JP2007221773A (ja) * 2006-01-19 2007-08-30 Matsushita Electric Ind Co Ltd Ｐｌｌ変調回路、無線送信装置及び無線通信装置
US7680227B2 (en) * 2006-03-02 2010-03-16 Broadcom Corporation Method and system for filter calibration using fractional-N frequency synthesized signals
US7979037B2 (en) * 2006-07-28 2011-07-12 Panasonic Corporation Frequency modulation circuit, transmission circuit, and communication apparatus
US7634041B2 (en) * 2006-12-28 2009-12-15 Mediatek Inc. Phase locked loop frequency synthesizer
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US7791415B2 (en) * 2007-05-18 2010-09-07 Semtech Corporation Fractional-N synthesized chirp generator
US7710197B2 (en) 2007-07-11 2010-05-04 Axiom Microdevices, Inc. Low offset envelope detector and method of use
US7728676B2 (en) * 2007-09-17 2010-06-01 Atheros Communications, Inc. Voltage-controlled oscillator with control range limiter
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US7728631B2 (en) * 2008-05-15 2010-06-01 Atheros Communications, Inc. Phase frequency detector with pulse width control circuitry
US7782237B2 (en) * 2008-06-13 2010-08-24 The Board Of Trustees Of The Leland Stanford Junior University Semiconductor sensor circuit arrangement
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US10651858B2 (en) * 2017-11-30 2020-05-12 Sony Corporation Synthesizer and phase frequency detector
CN110823142B (zh) * 2019-11-11 2021-04-30 华滋奔腾（苏州）安监仪器有限公司 基于增益鉴相器同轴电缆应变传感器的解调仪及解调方法
US11764795B2 (en) * 2021-11-29 2023-09-19 Qualcomm Incorporated Fractional phase locked loop (PLL) with digital control driven by clock with higher frequency than PLL feedback signal
CN116192128B (zh) * 2023-05-04 2023-07-25 泛升云微电子(苏州)有限公司 Σ-δ调制器、芯片及相位调整方法

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