KR950004641B1 - 가변 분주기 - Google Patents

가변 분주기 Download PDF

Info

Publication number
KR950004641B1
KR950004641B1 KR1019900016641A KR900016641A KR950004641B1 KR 950004641 B1 KR950004641 B1 KR 950004641B1 KR 1019900016641 A KR1019900016641 A KR 1019900016641A KR 900016641 A KR900016641 A KR 900016641A KR 950004641 B1 KR950004641 B1 KR 950004641B1
Authority
KR
South Korea
Prior art keywords
terminal
level
signal
prescaler
prescalers
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
KR1019900016641A
Other languages
English (en)
Korean (ko)
Other versions
KR910008965A (ko
Inventor
가즈오 야마시다
Original Assignee
니혼무센 가부시끼가이샤
마쓰이 고오지
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 니혼무센 가부시끼가이샤, 마쓰이 고오지 filed Critical 니혼무센 가부시끼가이샤
Publication of KR910008965A publication Critical patent/KR910008965A/ko
Application granted granted Critical
Publication of KR950004641B1 publication Critical patent/KR950004641B1/ko
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)
KR1019900016641A 1989-10-23 1990-10-18 가변 분주기 Expired - Fee Related KR950004641B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1-276315 1989-10-23
JP1276315A JP2572283B2 (ja) 1989-10-23 1989-10-23 可変分周回路

Publications (2)

Publication Number Publication Date
KR910008965A KR910008965A (ko) 1991-05-31
KR950004641B1 true KR950004641B1 (ko) 1995-05-03

Family

ID=17567743

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900016641A Expired - Fee Related KR950004641B1 (ko) 1989-10-23 1990-10-18 가변 분주기

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=)

Families Citing this family (31)

* 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
DE19519321C2 (de) * 1995-05-26 1997-10-16 Gerhard Kultscher Ind Elektron Frequenzteiler mit dualer, aktaler, dezimaler oder hexadezimaler Divisoreingabe
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

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
GB2237424A (en) 1991-05-01
FR2653617B1 (fr) 1995-07-21
DE4008385C3 (de) 1997-09-04
DE4008385C2 (https=) 1993-06-24
JPH03136520A (ja) 1991-06-11
CA2010723A1 (en) 1991-04-23
US5065415A (en) 1991-11-12
KR910008965A (ko) 1991-05-31

Similar Documents

Publication Publication Date Title
KR950004641B1 (ko) 가변 분주기
US5361290A (en) Clock generating circuit for use in single chip microcomputer
US3943379A (en) Symmetrical odd modulus frequency divider
JPS6243568B2 (https=)
US4354124A (en) Digital phase comparator circuit
JPH0439690B2 (https=)
US5230013A (en) PLL-based precision phase shifting at CMOS levels
US7034584B2 (en) Apparatus for frequency dividing a master clock signal by a non-integer
KR900004188B1 (ko) 잡음펄스 억제회로
US6459310B1 (en) Divide by 15 clock circuit
US6108393A (en) Enhanced prescaler phase interface
US6097782A (en) Multi-modulus frequency divider
US5335253A (en) Non-integral frequency division using regulated digital divider circuits
US7049864B2 (en) Apparatus and method for high frequency state machine divider with low power consumption
EP0780976B1 (en) Digital frequency divider phase shifter
JPH1198007A (ja) 分周回路
JPS6130451B2 (https=)
US4081755A (en) Baud rate generator utilizing single clock source
JPH0548433A (ja) 多段分周器
Tarr et al. A versatile pulse programmer for pulse nuclear magnetic resonance spectroscopy
KR970009785B1 (ko) 임의 분주클럭 발생회로
KR19980071826A (ko) 고주파를 카운트하기 위한 카운터
US4574385A (en) Clock divider circuit incorporating a J-K flip-flop as the count logic decoding means in the feedback loop
KR920006931Y1 (ko) 홀수분주회로
KR920000698Y1 (ko) 클럭 소스 선택시 글리치 제거회로

Legal Events

Date Code Title Description
A201 Request for examination
PA0109 Patent application

St.27 status event code: A-0-1-A10-A12-nap-PA0109

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

AMND Amendment
P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E601 Decision to refuse application
PE0601 Decision on rejection of patent

St.27 status event code: N-2-6-B10-B15-exm-PE0601

J2X1 Appeal (before the patent court)

Free format text: APPEAL AGAINST DECISION TO DECLINE REFUSAL

PB0901 Examination by re-examination before a trial

St.27 status event code: A-6-3-E10-E12-rex-PB0901

G160 Decision to publish patent application
PG1605 Publication of application before grant of patent

St.27 status event code: A-2-2-Q10-Q13-nap-PG1605

B701 Decision to grant
PB0701 Decision of registration after re-examination before a trial

St.27 status event code: A-3-4-F10-F13-rex-PB0701

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U11-oth-PR1002

Fee payment year number: 1

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 5

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 6

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 7

FPAY Annual fee payment

Payment date: 20020311

Year of fee payment: 8

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 8

LAPS Lapse due to unpaid annual fee
PC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-PC1903

Not in force date: 20030504

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

PC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-PC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 20030504

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

P22-X000 Classification modified

St.27 status event code: A-4-4-P10-P22-nap-X000