DE69820326D1 - Rauscharmer Frequenzteiler - Google Patents

Rauscharmer Frequenzteiler

Info

Publication number
DE69820326D1
DE69820326D1 DE69820326T DE69820326T DE69820326D1 DE 69820326 D1 DE69820326 D1 DE 69820326D1 DE 69820326 T DE69820326 T DE 69820326T DE 69820326 T DE69820326 T DE 69820326T DE 69820326 D1 DE69820326 D1 DE 69820326D1
Authority
DE
Germany
Prior art keywords
low
frequency divider
noise frequency
noise
divider
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 - Lifetime
Application number
DE69820326T
Other languages
English (en)
Other versions
DE69820326T2 (de
Inventor
David Canard
Vincent Fillatre
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.)
NXP BV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE69820326D1 publication Critical patent/DE69820326D1/de
Publication of DE69820326T2 publication Critical patent/DE69820326T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
    • H03J5/0272—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer
    • 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
    • H03K23/542—Ring counters, i.e. feedback shift register counters with crossed-couplings, i.e. Johnson counters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Superheterodyne Receivers (AREA)
DE1998620326 1997-04-15 1998-04-09 Frequenzteiler Expired - Lifetime DE69820326T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9704598 1997-04-15
FR9704598 1997-04-15

Publications (2)

Publication Number Publication Date
DE69820326D1 true DE69820326D1 (de) 2004-01-22
DE69820326T2 DE69820326T2 (de) 2004-11-18

Family

ID=9505908

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1998620326 Expired - Lifetime DE69820326T2 (de) 1997-04-15 1998-04-09 Frequenzteiler

Country Status (5)

Country Link
US (1) US6163182A (de)
EP (1) EP0872959B1 (de)
JP (1) JPH118550A (de)
KR (1) KR100538663B1 (de)
DE (1) DE69820326T2 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19843199A1 (de) * 1998-09-15 2000-03-16 Hans Gustat Frequenzteiler
US6597212B1 (en) * 2002-03-12 2003-07-22 Neoaxiom Corporation Divide-by-N differential phase interpolator
US6683932B1 (en) 2002-07-23 2004-01-27 Bae Systems, Information And Electronic Systems Integration, Inc. Single-event upset immune frequency divider circuit
US7395286B1 (en) * 2004-01-05 2008-07-01 National Semiconductor Corporation Method for generating non-overlapping N-phases of divide-by-N clocks with precise 1/N duty ratio using a shift register
CN1930780B (zh) * 2004-03-11 2010-06-02 Nxp股份有限公司 分频器
JP4756135B2 (ja) * 2004-08-06 2011-08-24 エスティー‐エリクソン、ソシエテ、アノニム 周波数分周器
US7285993B2 (en) * 2004-10-29 2007-10-23 Broadcom Corporation Method and system for a divide by N circuit with dummy load for multiband radios
EP1693965A1 (de) * 2005-02-22 2006-08-23 STMicroelectronics S.r.l. Sechsphasiger synchroner Durch-vier-Kreisfrequenzteiler
US7173470B2 (en) * 2005-03-11 2007-02-06 Analog Devices, Inc. Clock sources and methods with reduced clock jitter
EP1900098B1 (de) * 2005-06-30 2014-06-04 Nytell Software LLC Mehrphasen-frequenzteiler
US20090153201A1 (en) * 2005-06-30 2009-06-18 Nxp B.V. Differential multiphase frequency divider
JP2009212736A (ja) * 2008-03-04 2009-09-17 Fujitsu Microelectronics Ltd 半導体集積回路
TWI357719B (en) * 2008-06-25 2012-02-01 Richwave Technology Corp Triple division ratio divider,programmable divider
KR100969864B1 (ko) 2008-09-03 2010-07-15 한국과학기술원 Ｃｍｌ 타입 ｄ 플립-플롭 및 이를 이용한 주파수 홀수 분주기
US8058901B2 (en) * 2008-09-19 2011-11-15 Qualcomm Incorporated Latch structure, frequency divider, and methods for operating same
EP2668723B1 (de) * 2011-01-28 2014-11-26 Coherent Logix Incorporated Frequenzteiler mit synchroner bereichserweiterung über oktavengrenzen
JP5318933B2 (ja) * 2011-11-15 2013-10-16 シャープ株式会社 ラッチ回路、分周回路及びｐｌｌ周波数シンセサイザ
US9948309B2 (en) * 2014-11-14 2018-04-17 Texas Instruments Incorporated Differential odd integer divider
US10177748B2 (en) * 2014-12-02 2019-01-08 Telefonaktiebolaget Lm Ericsson (Publ) Electronic latch, a method for an electronic latch, a frequency division by two and a 4-phase generator
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
US9647669B1 (en) * 2016-07-18 2017-05-09 Texas Instruments Incorporated High speed frequency divider

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5484471A (en) * 1977-12-19 1979-07-05 Toshiba Corp Anti-phase clock type ring counter
US5020082A (en) * 1988-06-15 1991-05-28 Seiko Epson Corporation Asynchronous counter
JP2853894B2 (ja) * 1990-08-24 1999-02-03 三菱電機株式会社 分周回路及びパルス信号作成回路
DE4340966C1 (de) * 1993-12-01 1995-01-19 Siemens Ag Schaltungsanordnung zur Erzeugung gerader Tastverhältnisse
KR950022143A (ko) * 1993-12-15 1995-07-28 문정환 주파수 가변 분주회로
JP2555978B2 (ja) * 1994-05-27 1996-11-20 日本電気株式会社 分周回路

Also Published As

Publication number Publication date
DE69820326T2 (de) 2004-11-18
KR100538663B1 (ko) 2006-03-14
JPH118550A (ja) 1999-01-12
US6163182A (en) 2000-12-19
KR19980081411A (ko) 1998-11-25
EP0872959A1 (de) 1998-10-21
EP0872959B1 (de) 2003-12-10

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: EISENFUEHR, SPEISER & PARTNER, 10178 BERLIN

8327 Change in the person/name/address of the patent owner

Owner name: NXP B.V., EINDHOVEN, NL