ES2170461T3 - Dispositivo de division de frecuencia con predivisor seguido de un contador programable, y predivisor y sintetizador de frecuencia correspondientes. - Google Patents

Dispositivo de division de frecuencia con predivisor seguido de un contador programable, y predivisor y sintetizador de frecuencia correspondientes.

Info

Publication number
ES2170461T3
ES2170461T3 ES98401187T ES98401187T ES2170461T3 ES 2170461 T3 ES2170461 T3 ES 2170461T3 ES 98401187 T ES98401187 T ES 98401187T ES 98401187 T ES98401187 T ES 98401187T ES 2170461 T3 ES2170461 T3 ES 2170461T3
Authority
ES
Spain
Prior art keywords
predivisor
division
programmable counter
range
programmable
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
ES98401187T
Other languages
English (en)
Inventor
Pierre Genest
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.)
Alcatel Lucent SAS
Nokia Inc
Original Assignee
Alcatel SA
Nokia Inc
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 Alcatel SA, Nokia Inc filed Critical Alcatel SA
Application granted granted Critical
Publication of ES2170461T3 publication Critical patent/ES2170461T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)

Abstract

LA INVENCION SE REFIERE A UN DISPOSITIVO DE DIVISION DE FRECUENCIA (5) QUE COMPRENDE UN PREDIVISOR (7) SEGUIDO DE UN CONTADOR PROGRAMABLE (8) Y DIVIDE POR UN RANGO DE DIVISION TOTAL D, QUE PUEDE ESCRIBIRSE ASI: D = K.N + A. EL PREDIVISOR (7) FUNCIONA CON UN PAR DE RANGOS DE DIVISION K/K+1 Y COMPRENDE MEDIOS DE BASCULACION (11) DEL RANGO DE DIVISION MAS ALTO K + 1 AL RANGO DE DIVISION MAS BAJO K, EN FUNCION DE UNA SEÑAL DE BASCULACION (12). N ES UN PRIMER VALOR PREDETERMINADO PROGRAMABLE CORRESPONDIENTE AL RANGO DE DIVISION DEL CONTADOR PROGRAMABLE. A ES UN SEGUNDO VALOR PREDETERMINADO PROGRAMABLE TAL QUE, CUANDO ES ALCANZADO POR EL CONTADOR PROGRAMABLE, EL PREDIVISOR (7) RECIBE LA SEÑAL DE BASCULACION (12). SE TIENE: 0 A < N. SEGUN LA INVENCION, EL PREDIVISOR (7) DISPONE DE AL MENOS DOS PARES DE RANGOS DE DIVISION SUCESIVOS, P/P + 1, P + 1/P + 2, ETC., Y COMPRENDE MEDIOS (14) DE SELECCION DINAMICA DE UNO DE LOS PARES EN FUNCION DE UNA SEÑAL DE SELECCION (15), CONSTITUYENDO EL PAR SELECCIONADO EL PAR DE FUNCIONAMIENTO K/K+1. LA SEÑAL DE SELECCION DEPENDE DEL RANGO DE DIVISION TOTAL D QUE EL DISPOSITIVO DE DIVISION DE FRECUENCIA (5) DEBE APLICAR.
ES98401187T 1997-05-29 1998-05-18 Dispositivo de division de frecuencia con predivisor seguido de un contador programable, y predivisor y sintetizador de frecuencia correspondientes. Expired - Lifetime ES2170461T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9706591A FR2764139B1 (fr) 1997-05-29 1997-05-29 Dispositif de division de frequence a prediviseur suivi d'un compteur programmable, prediviseur et synthetiseur de frequence correspondants

Publications (1)

Publication Number Publication Date
ES2170461T3 true ES2170461T3 (es) 2002-08-01

Family

ID=9507369

Family Applications (1)

Application Number Title Priority Date Filing Date
ES98401187T Expired - Lifetime ES2170461T3 (es) 1997-05-29 1998-05-18 Dispositivo de division de frecuencia con predivisor seguido de un contador programable, y predivisor y sintetizador de frecuencia correspondientes.

Country Status (6)

Country Link
US (1) US6066990A (es)
EP (1) EP0881772B1 (es)
JP (1) JP3516590B2 (es)
DE (1) DE69803625T2 (es)
ES (1) ES2170461T3 (es)
FR (1) FR2764139B1 (es)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0966103B1 (en) * 1998-06-17 2006-04-19 STMicroelectronics N.V. Frequency synthesiser
US6791485B1 (en) * 2000-04-03 2004-09-14 Allen Joseph Rushing Digital densitometer using light-to-frequency converter
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
JP4587620B2 (ja) * 2001-09-10 2010-11-24 ルネサスエレクトロニクス株式会社 クロック制御方法と分周回路及びｐｌｌ回路
US6515530B1 (en) * 2001-10-11 2003-02-04 International Business Machines Corporation Dynamically scalable low voltage clock generation system
US6725245B2 (en) * 2002-05-03 2004-04-20 P.C. Peripherals, Inc High speed programmable counter architecture
US7035750B2 (en) * 2003-01-17 2006-04-25 Texas Instruments Incorporated On-chip test mechanism for transceiver power amplifier and oscillator frequency
US7180341B2 (en) 2003-05-20 2007-02-20 Nippon Telegraph And Telephone Public Corporation Variable division method and variable divider
US7358782B2 (en) * 2005-08-17 2008-04-15 Broadcom Corporation Frequency divider and associated methods
KR100954839B1 (ko) 2007-10-09 2010-04-28 고려대학교 산학협력단 프로그램 가능한 분주기 및 그 제어방법
US7893772B1 (en) 2007-12-03 2011-02-22 Cypress Semiconductor Corporation System and method of loading a programmable counter
JP5184680B2 (ja) * 2010-09-15 2013-04-17 シャープ株式会社 分周回路およびそれを備えたｐｌｌ回路並びに半導体集積回路
US8514999B2 (en) 2011-12-06 2013-08-20 International Business Machines Corporation Floating-point event counters with automatic prescaling
JP6268020B2 (ja) * 2014-03-26 2018-01-24 ラピスセミコンダクタ株式会社 クロック生成方法および半導体装置
US9419625B2 (en) * 2014-08-29 2016-08-16 International Business Machines Corporation Dynamic prescaling for performance counters

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4316151A (en) * 1980-02-13 1982-02-16 Motorola, Inc. Phase locked loop frequency synthesizer using multiple dual modulus prescalers
US4414687A (en) * 1980-08-04 1983-11-08 Mitsubishi Denki Kabushiki Kaisha Radio receiver
DE3126317A1 (de) * 1981-06-26 1983-01-13 Lothar Dipl.-Ing. 1000 Berlin Klaas Schaltung zur erzeugung einer ausgangsimpulsfolge, deren frequenz eine linearkombination der frequenzen zweier unabhaengiger eingangsimpulsfolgen ist
JPS5974734A (ja) * 1982-10-22 1984-04-27 Clarion Co Ltd 分周器
US4573023A (en) * 1984-08-07 1986-02-25 John Fluke Mfg. Co., Inc. Multiple-multiple modulus prescaler for a phase-locked loop
JPS62122421A (ja) * 1985-11-22 1987-06-03 Hitachi Ltd 分周回路
US5066927A (en) * 1990-09-06 1991-11-19 Ericsson Ge Mobile Communication Holding, Inc. Dual modulus counter for use in a phase locked loop
US5614869A (en) * 1995-12-20 1997-03-25 Microclock Incorporated High speed divider for phase-locked loops

Also Published As

Publication number Publication date
JPH1155108A (ja) 1999-02-26
EP0881772A1 (fr) 1998-12-02
FR2764139A1 (fr) 1998-12-04
DE69803625D1 (de) 2002-03-14
EP0881772B1 (fr) 2002-01-30
FR2764139B1 (fr) 1999-07-23
DE69803625T2 (de) 2002-08-14
US6066990A (en) 2000-05-23
JP3516590B2 (ja) 2004-04-05

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