DE4008385C2 - - Google Patents

Info

Publication number
DE4008385C2
DE4008385C2 DE4008385A DE4008385A DE4008385C2 DE 4008385 C2 DE4008385 C2 DE 4008385C2 DE 4008385 A DE4008385 A DE 4008385A DE 4008385 A DE4008385 A DE 4008385A DE 4008385 C2 DE4008385 C2 DE 4008385C2
Authority
DE
Germany
Prior art keywords
connection
frequency
signal
level
prescaler
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
DE4008385A
Other languages
German (de)
English (en)
Other versions
DE4008385A1 (de
DE4008385C3 (de
Inventor
Kazuo Mitaka Tokio/Tokyo Jp Yamashita
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.)
Nihon Musen Kk Mitaka Tokio/tokyo Jp
Original Assignee
Nihon Musen Kk Mitaka Tokio/tokyo Jp
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 Nihon Musen Kk Mitaka Tokio/tokyo Jp filed Critical Nihon Musen Kk Mitaka Tokio/tokyo Jp
Publication of DE4008385A1 publication Critical patent/DE4008385A1/de
Application granted granted Critical
Publication of DE4008385C2 publication Critical patent/DE4008385C2/de
Publication of DE4008385C3 publication Critical patent/DE4008385C3/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K21/00—Details of pulse counters or frequency dividers
    • 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

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Transceivers (AREA)
DE4008385A 1989-10-23 1990-03-15 Einstellbarer Frequenzteiler Expired - Fee Related DE4008385C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1276315A JP2572283B2 (ja) 1989-10-23 1989-10-23 可変分周回路

Publications (3)

Publication Number Publication Date
DE4008385A1 DE4008385A1 (de) 1991-04-25
DE4008385C2 true DE4008385C2 (https=) 1993-06-24
DE4008385C3 DE4008385C3 (de) 1997-09-04

Family

ID=17567743

Family Applications (1)

Application Number Title Priority Date Filing Date
DE4008385A Expired - Fee Related DE4008385C3 (de) 1989-10-23 1990-03-15 Einstellbarer Frequenzteiler

Country Status (7)

Country Link
US (1) US5065415A (https=)
JP (1) JP2572283B2 (https=)
KR (1) KR950004641B1 (https=)
CA (1) CA2010723C (https=)
DE (1) DE4008385C3 (https=)
FR (1) FR2653617B1 (https=)
GB (1) GB2237424B (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19519321A1 (de) * 1995-05-26 1996-11-28 Gerhard Kultscher Ind Elektron Frequenzteiler mit dualer, aktaler, dezimaler oder hexadezimaler Divisoreingabe

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5195111A (en) * 1990-09-07 1993-03-16 Nihon Musen Kabushiki Kaisha Programmable frequency dividing apparatus
FR2677515A1 (fr) * 1991-06-07 1992-12-11 Philips Composants Circuit diviseur de frequence.
JPH05152938A (ja) * 1991-11-27 1993-06-18 Nec Yamagata Ltd カウンタ回路
US5304938A (en) * 1992-11-18 1994-04-19 Gec Plessey Semiconductors, Inc. Method and apparatus for providing a lower frequency signal with reference to a higher frequency signal
EP0602422A1 (en) * 1992-12-15 1994-06-22 International Business Machines Corporation Dynamic frequency shifting with divide by one clock generators
US5469116A (en) * 1994-01-27 1995-11-21 Sgs-Thomson Microelectronics, Inc. Clock generator circuit with low current frequency divider
FR2719728A1 (fr) * 1994-05-04 1995-11-10 Philips Composants Diviseur de fréquence, synthétiseur de fréquence comportant un tel diviseur et radiotéléphone comportant un tel synthétiseur.
US5794021A (en) * 1994-11-02 1998-08-11 Advanced Micro Devices, Inc. Variable frequency clock generation circuit using aperiodic patterns
US6272465B1 (en) 1994-11-02 2001-08-07 Legerity, Inc. Monolithic PC audio circuit
GB2297613B (en) * 1995-02-02 1999-09-01 Synectix Ltd Computer-to-plate apparatus
US5524035A (en) * 1995-08-10 1996-06-04 International Business Machines Corporation Symmetric clock system for a data processing system including dynamically switchable frequency divider
DE19734930C2 (de) * 1997-08-12 1999-08-19 Siemens Ag Frequenzteileranordnung
US5948046A (en) * 1997-12-15 1999-09-07 Telefonaktiebolaget Lm Ericsson Multi-divide frequency division
FR2782422B1 (fr) * 1998-08-13 2000-09-15 St Microelectronics Sa Circuit de mesure d'intervalles de temps auto-calibre
DE10002361C1 (de) 2000-01-20 2001-01-25 Infineon Technologies Ag Frequenzteiler
WO2001095117A2 (en) * 2000-06-06 2001-12-13 Igor Anatolievich Abrosimov Data processing system for high speed memory test
WO2002052727A1 (en) * 2000-12-22 2002-07-04 Koninklijke Philips Electronics N.V. Frequency divider with reduced power consumption, apparatus based thereon, and method for power efficient frequency divider
WO2002093747A2 (en) * 2001-05-17 2002-11-21 Koninklijke Philips Electronics N.V. Improved frequency divider with reduced jitter and apparatus based thereon
US6566918B1 (en) * 2001-08-28 2003-05-20 Xilinx, Inc. Divide-by-N clock divider circuit with minimal additional delay
US6445228B1 (en) 2001-08-28 2002-09-03 Xilinx, Inc. Programmable even-number clock divider circuit with duty cycle correction and optional phase shift
US6714057B2 (en) * 2001-08-28 2004-03-30 Xilinx, Inc. Multi-purpose digital frequency synthesizer circuit for a programmable logic device
JP4386725B2 (ja) * 2001-08-29 2009-12-16 エヌエックスピー ビー ヴィ 低減されたジッタを備える改良された分周器及びそれに基づく送信器
TWI222786B (en) * 2003-09-17 2004-10-21 Mediatek Inc Multi-modulus programmable frequency divider
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
US6961403B1 (en) 2004-05-28 2005-11-01 International Business Machines Corporation Programmable frequency divider with symmetrical output
US7924069B2 (en) * 2006-06-28 2011-04-12 Qualcomm Incorporated Multi-modulus divider retiming circuit
TWI337454B (en) * 2007-05-16 2011-02-11 Ind Tech Res Inst Programmable integer/non-integer frequency divider
US8248118B2 (en) * 2010-08-09 2012-08-21 Texas Instruments Incorporated High-speed frequency divider and a phase locked loop that uses the high-speed frequency divider
US8406371B1 (en) * 2012-01-04 2013-03-26 Silicon Laboratories Inc. Programmable divider circuitry for improved duty cycle consistency and related systems and methods
CN112953530B (zh) * 2021-01-28 2024-02-23 星宸科技股份有限公司 除频器电路

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3202837A (en) * 1962-09-05 1965-08-24 Diamond Power Speciality Frequency divider employing receptacles having preset frequency ratio connections for standard frequency plug-in units
US4053739A (en) * 1976-08-11 1977-10-11 Motorola, Inc. Dual modulus programmable counter
US4184068A (en) * 1977-11-14 1980-01-15 Harris Corporation Full binary programmed frequency divider
JPS5673907A (en) * 1979-11-21 1981-06-19 Hitachi Ltd Frequency divider
GB2089539B (en) * 1980-12-08 1984-08-01 Plessey Co Ltd Adjustable ratio divider
US4394769A (en) * 1981-06-15 1983-07-19 Hughes Aircraft Company Dual modulus counter having non-inverting feedback
US4575867A (en) * 1982-08-09 1986-03-11 Rockwell International Corporation High speed programmable prescaler
US4715052A (en) * 1986-03-10 1987-12-22 Texas Instruments Incorporated Frequency divide by N circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19519321A1 (de) * 1995-05-26 1996-11-28 Gerhard Kultscher Ind Elektron Frequenzteiler mit dualer, aktaler, dezimaler oder hexadezimaler Divisoreingabe

Also Published As

Publication number Publication date
DE4008385A1 (de) 1991-04-25
GB2237424B (en) 1994-03-23
GB9004582D0 (en) 1990-04-25
FR2653617A1 (fr) 1991-04-26
CA2010723C (en) 1993-11-30
JP2572283B2 (ja) 1997-01-16
KR950004641B1 (ko) 1995-05-03
GB2237424A (en) 1991-05-01
FR2653617B1 (fr) 1995-07-21
DE4008385C3 (de) 1997-09-04
JPH03136520A (ja) 1991-06-11
CA2010723A1 (en) 1991-04-23
US5065415A (en) 1991-11-12
KR910008965A (ko) 1991-05-31

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8305 Restricted maintenance of patent after opposition
D4 Patent maintained restricted
8339 Ceased/non-payment of the annual fee