ATE521136T1 - Frequenzteilungsvorrichtung - Google Patents

Frequenzteilungsvorrichtung

Info

Publication number
ATE521136T1
ATE521136T1 AT09161621T AT09161621T ATE521136T1 AT E521136 T1 ATE521136 T1 AT E521136T1 AT 09161621 T AT09161621 T AT 09161621T AT 09161621 T AT09161621 T AT 09161621T AT E521136 T1 ATE521136 T1 AT E521136T1
Authority
AT
Austria
Prior art keywords
frequency
division
division ratio
clock signal
signal
Prior art date
Application number
AT09161621T
Other languages
English (en)
Inventor
Masazumi Marutani
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of ATE521136T1 publication Critical patent/ATE521136T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/081—Details of the phase-locked loop provided with an additional controlled phase shifter
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
    • H03K23/64—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two
    • H03K23/66—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses
    • H03K23/667—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses by switching the base during a counting cycle
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
    • H03K23/64—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two
    • H03K23/68—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a base which is a non-integer

Landscapes

  • Manipulation Of Pulses (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
AT09161621T 2008-08-06 2009-06-01 Frequenzteilungsvorrichtung ATE521136T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008202786A JP5169601B2 (ja) 2008-08-06 2008-08-06 分周装置

Publications (1)

Publication Number Publication Date
ATE521136T1 true ATE521136T1 (de) 2011-09-15

Family

ID=41211676

Family Applications (1)

Application Number Title Priority Date Filing Date
AT09161621T ATE521136T1 (de) 2008-08-06 2009-06-01 Frequenzteilungsvorrichtung

Country Status (4)

Country Link
US (1) US7965808B2 (de)
EP (1) EP2154786B1 (de)
JP (1) JP5169601B2 (de)
AT (1) ATE521136T1 (de)

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US7813466B2 (en) * 2007-03-13 2010-10-12 Applied Micro Circuit Corporation Jitter-free divider
TWI376877B (en) * 2008-12-26 2012-11-11 Ind Tech Res Inst Clock generator and multimodulus frequency divider and delta-sigma modulator thereof
US8290113B2 (en) * 2011-03-18 2012-10-16 Texas Instruments Incorporated Frequency synthesizer prescaler scrambling
US8963588B2 (en) * 2011-08-22 2015-02-24 Infineon Technologies Ag Fractional frequency divider
US8988119B2 (en) 2012-12-27 2015-03-24 International Business Machines Corporation System, a method and a computer program product for electronic sub-integer frequency division
US9008261B2 (en) * 2013-01-14 2015-04-14 Liming Xiu Circuits and methods for using a flying-adder synthesizer as a fractional frequency divider
CN105743497B (zh) * 2014-12-08 2018-12-07 中芯国际集成电路制造(上海)有限公司 分频器及其方法以及包含该分频器的锁相环和半导体装置
JP6387896B2 (ja) * 2015-04-28 2018-09-12 三菱電機株式会社 分周器
AU2015399336B2 (en) * 2015-06-16 2018-12-06 Telefonaktiebolaget Lm Ericsson (Publ) Frequency divider, phase-locked loop, transceiver, radio station and method of frequency dividing
WO2017101941A1 (en) * 2015-12-17 2017-06-22 Vestas Wind Systems A/S Modulating wind power plant output using different frequency modulation components for damping grid oscillations
CN114430271B (zh) * 2022-01-28 2023-04-14 北京奕斯伟计算技术股份有限公司 分频器、电子装置以及分频方法
CN116131845A (zh) * 2022-12-08 2023-05-16 晶晨半导体(上海)股份有限公司 时钟信号降噪装置、降噪方法和多相位延迟锁相环
KR20250146753A (ko) * 2024-04-02 2025-10-13 주식회사 메타씨앤아이 위상쉬프트를 이용한 고속카운터 장치 및 방법

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FR2697703B1 (fr) * 1992-10-30 1995-01-13 Sgs Thomson Microelectronics Multiplexeur recevant en entrée une pluralité de signaux identiques mais déphasés.
JP2758564B2 (ja) 1994-05-20 1998-05-28 株式会社岡本工作機械製作所 分周装置及び歯車研削装置及び砥石成形装置
JPH0983353A (ja) * 1995-09-20 1997-03-28 Toshiba Corp 分周回路及びフィルタ回路
JPH1032486A (ja) * 1996-07-16 1998-02-03 Fujitsu Ltd 分数分周器及びｐｌｌ回路
US6157694A (en) * 1998-12-09 2000-12-05 Lucent Technologies, Inc. Fractional frequency divider
US6671341B1 (en) * 1999-09-17 2003-12-30 Agere Systems, Inc. Glitch-free phase switching synthesizer
FI108380B (fi) * 2000-03-10 2002-01-15 Nokia Corp Monimurtojakajainen esijakaja
FR2820254B1 (fr) * 2001-01-31 2003-05-09 Dolphin Integration Sa Division fractionnelle de frequence d'un signal numerique
US7035367B2 (en) * 2001-09-26 2006-04-25 Nokia Corporation Fractional multi-modulus prescaler
US6760398B2 (en) * 2001-10-05 2004-07-06 Asulab S.A. Switched phase dual-modulus prescaler circuit having means for reducing power consumption
EP1300950A1 (de) * 2001-10-05 2003-04-09 Asulab S.A. Dual Modulus Zähler/Teiler mit Phasenauswahl für einen Frequenzsynthesizer
US6542013B1 (en) * 2002-01-02 2003-04-01 Intel Corporation Fractional divisors for multiple-phase PLL systems
JP2004201169A (ja) 2002-12-20 2004-07-15 Sony Ericsson Mobilecommunications Japan Inc 可変分周回路及びｐｌｌ回路
TWI376876B (en) * 2006-10-23 2012-11-11 Realtek Semiconductor Corp Fraction-n frequency divider and method thereof
US7486145B2 (en) * 2007-01-10 2009-02-03 International Business Machines Corporation Circuits and methods for implementing sub-integer-N frequency dividers using phase rotators
JP2008172512A (ja) * 2007-01-11 2008-07-24 Matsushita Electric Ind Co Ltd 周波数シンセサイザ及びフェーズロックループ、並びにクロック生成方法

Also Published As

Publication number Publication date
US7965808B2 (en) 2011-06-21
JP5169601B2 (ja) 2013-03-27
JP2010041466A (ja) 2010-02-18
EP2154786A1 (de) 2010-02-17
US20090302900A1 (en) 2009-12-10
EP2154786B1 (de) 2011-08-17

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