DE602004009423D1 - Frequenzteiler mit veränderlicher teilungsrate - Google Patents

Frequenzteiler mit veränderlicher teilungsrate

Info

Publication number
DE602004009423D1
DE602004009423D1 DE602004009423T DE602004009423T DE602004009423D1 DE 602004009423 D1 DE602004009423 D1 DE 602004009423D1 DE 602004009423 T DE602004009423 T DE 602004009423T DE 602004009423 T DE602004009423 T DE 602004009423T DE 602004009423 D1 DE602004009423 D1 DE 602004009423D1
Authority
DE
Germany
Prior art keywords
distribution rate
frequency distributor
changing distribution
inverter
cells
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.)
Expired - Fee Related
Application number
DE602004009423T
Other languages
English (en)
Other versions
DE602004009423T2 (de
Inventor
David Ruffieux
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Centre Suisse dElectronique et Microtechnique SA CSEM
Original Assignee
Centre Suisse dElectronique et Microtechnique SA CSEM
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 Centre Suisse dElectronique et Microtechnique SA CSEM filed Critical Centre Suisse dElectronique et Microtechnique SA CSEM
Publication of DE602004009423D1 publication Critical patent/DE602004009423D1/de
Application granted granted Critical
Publication of DE602004009423T2 publication Critical patent/DE602004009423T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H03K23/40—Gating or clocking signals applied to all stages, i.e. synchronous counters
    • H03K23/50—Gating or clocking signals applied to all stages, i.e. synchronous counters using bi-stable regenerative trigger circuits
    • H03K23/54—Ring counters, i.e. feedback shift register counters
    • 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
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H03L7/183—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number
    • H03L7/193—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number the frequency divider/counter comprising a commutable pre-divider, e.g. a two modulus divider
DE602004009423T 2003-03-18 2004-03-03 Frequenzteiler mit veränderlicher teilungsrate Expired - Fee Related DE602004009423T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0303300A FR2852749B1 (fr) 2003-03-18 2003-03-18 Diviseur de frequence a taux de division variable
FR0303300 2003-03-18
PCT/CH2004/000120 WO2004084411A1 (fr) 2003-03-18 2004-03-03 Diviseur de frequence a taux de division variable

Publications (2)

Publication Number Publication Date
DE602004009423D1 true DE602004009423D1 (de) 2007-11-22
DE602004009423T2 DE602004009423T2 (de) 2008-07-24

Family

ID=32922255

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004009423T Expired - Fee Related DE602004009423T2 (de) 2003-03-18 2004-03-03 Frequenzteiler mit veränderlicher teilungsrate

Country Status (6)

Country Link
US (1) US20060087350A1 (de)
EP (1) EP1606880B1 (de)
AT (1) ATE375626T1 (de)
DE (1) DE602004009423T2 (de)
FR (1) FR2852749B1 (de)
WO (1) WO2004084411A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7167685B2 (en) * 2004-06-30 2007-01-23 Nokia Corporation Frequency division
CN101213748B (zh) * 2005-06-30 2011-05-18 Nxp股份有限公司 多相分频器
JP2010258642A (ja) * 2009-04-23 2010-11-11 Renesas Electronics Corp フリップフロップ回路及びそれを備えたプリスケーラ回路
US8344765B2 (en) * 2009-07-16 2013-01-01 Qualcomm, Incorporated Frequency divider with a configurable dividing ratio
US9018987B1 (en) * 2013-11-26 2015-04-28 Stmicroelectronics International N.V. Current reused stacked ring oscillator and injection locked divider, injection locked multiplier
GB2564915B (en) * 2017-07-26 2021-03-03 Cirrus Logic Int Semiconductor Ltd Frequency-divider circuitry
US11342927B1 (en) * 2021-06-28 2022-05-24 Qualcomm Incorporated Ring oscillator based frequency divider
CN115149943B (zh) * 2022-08-31 2022-11-22 上海韬润半导体有限公司 分频电路

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1373626A (en) * 1970-11-27 1974-11-13 Smiths Industries Ltd Electrical dividing circuits
JPS4963371A (de) * 1972-10-19 1974-06-19
JPS50147883A (de) * 1974-05-20 1975-11-27
JPS584492B2 (ja) * 1974-07-08 1983-01-26 セイコーエプソン株式会社 ダイナミツクブンシユウカイロ
JPS5829661B2 (ja) * 1975-09-12 1983-06-24 株式会社東芝 シユウハスウブンシユウカイロ
US4395774A (en) * 1981-01-12 1983-07-26 National Semiconductor Corporation Low power CMOS frequency divider
US5416446A (en) * 1992-12-08 1995-05-16 At&T Corp. Digital programmable frequency generator
JP2830735B2 (ja) * 1994-04-19 1998-12-02 日本電気株式会社 位相同期型タイミング発生回路
TW575196U (en) * 1996-09-24 2004-02-01 Toshiba Electronic Eng Liquid crystal display device
US5801934A (en) * 1996-12-12 1998-09-01 Cypress Semiconductor Corp. Charge pump with reduced power consumption

Also Published As

Publication number Publication date
WO2004084411A1 (fr) 2004-09-30
FR2852749A1 (fr) 2004-09-24
FR2852749B1 (fr) 2005-07-15
WO2004084411A8 (fr) 2005-12-01
ATE375626T1 (de) 2007-10-15
US20060087350A1 (en) 2006-04-27
DE602004009423T2 (de) 2008-07-24
EP1606880B1 (de) 2007-10-10
EP1606880A1 (de) 2005-12-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee