CA2238093A1 - Synthetiseur de frequence numerique direct utilisant un deplacement d'intervalle d'impulsions - Google Patents

Synthetiseur de frequence numerique direct utilisant un deplacement d'intervalle d'impulsions

Info

Publication number
CA2238093A1
CA2238093A1 CA 2238093 CA2238093A CA2238093A1 CA 2238093 A1 CA2238093 A1 CA 2238093A1 CA 2238093 CA2238093 CA 2238093 CA 2238093 A CA2238093 A CA 2238093A CA 2238093 A1 CA2238093 A1 CA 2238093A1
Authority
CA
Canada
Prior art keywords
clock signal
frequency synthesizer
direct digital
digital frequency
output
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.)
Granted
Application number
CA 2238093
Other languages
English (en)
Other versions
CA2238093C (fr
Inventor
Steve D. Bainton
Matthew D. Brown
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.)
Nortel Networks Ltd
Original Assignee
Northern Telecom Ltd
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
Priority claimed from CA 2206465 external-priority patent/CA2206465A1/fr
Application filed by Northern Telecom Ltd filed Critical Northern Telecom Ltd
Priority to CA 2238093 priority Critical patent/CA2238093C/fr
Publication of CA2238093A1 publication Critical patent/CA2238093A1/fr
Application granted granted Critical
Publication of CA2238093C publication Critical patent/CA2238093C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
    • G06F7/68—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers using pulse rate multipliers or dividers pulse rate multipliers or dividers per se
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/02—Digital function generators
    • G06F1/025—Digital function generators for functions having two-valued amplitude, e.g. Walsh functions
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
    • H03B21/01—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies
    • H03B21/02—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies by plural beating, i.e. for frequency synthesis ; Beating in combination with multiplication or division of frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Computing Systems (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
CA 2238093 1997-05-29 1998-05-20 Synthetiseur de frequence numerique direct utilisant un deplacement d'intervalle d'impulsions Expired - Fee Related CA2238093C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2238093 CA2238093C (fr) 1997-05-29 1998-05-20 Synthetiseur de frequence numerique direct utilisant un deplacement d'intervalle d'impulsions

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CA 2206465 CA2206465A1 (fr) 1997-05-29 1997-05-29 Synthetiseur de frequence numerique direct utilisant une methode de decalage d'espacements d'impulsions
CA2,206,465 1997-05-29
CA 2238093 CA2238093C (fr) 1997-05-29 1998-05-20 Synthetiseur de frequence numerique direct utilisant un deplacement d'intervalle d'impulsions

Publications (2)

Publication Number Publication Date
CA2238093A1 true CA2238093A1 (fr) 1998-11-29
CA2238093C CA2238093C (fr) 2003-04-08

Family

ID=25679386

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2238093 Expired - Fee Related CA2238093C (fr) 1997-05-29 1998-05-20 Synthetiseur de frequence numerique direct utilisant un deplacement d'intervalle d'impulsions

Country Status (1)

Country Link
CA (1) CA2238093C (fr)

Also Published As

Publication number Publication date
CA2238093C (fr) 2003-04-08

Similar Documents

Publication Publication Date Title
AU6614894A (en) Multiple frequency output clock generator system
TW364076B (en) Apparatus and method for generating a phase-controlled clock signal
CA2361002A1 (fr) Techniques optoelectroniques de reduction de bruit de phase par suppression de porteuse dans un signal de porteuse
AU7106191A (en) Digital clock buffer circuit providing controllable delay
AU8602191A (en) Pll frequency synthesizer capable of changing an output frequency at a high speed
CA2296312A1 (fr) Systemes et procedes de synthetiseur de frequence pour la modulation en trois points avec reponse en courant continu
MY118263A (en) Ea modulator-controlled phase-locked-loop circuit
EP1146642A3 (fr) Circuit déphaseur pour utilisation dans un générateur de signaux d'horloge en quadrature
AU7356494A (en) Direct digital frequency synthesizer
AU7679596A (en) Highly stable frequency synthesizer loop with feedforward
GB2353156A (en) Method and apparatus for varying a clock frequency on a phase by phase basis
AU1388499A (en) Method and apparatus for propagating a signal between synchronous clock domains operating at a non-integer frequency ratio
WO2004038918A3 (fr) Procede et dispositif pour produire un signal d'horloge aux proprietes predeterminees
CA2301886A1 (fr) Reduction de la dispersion dans les signaux vocaux codes
WO2002080351A8 (fr) Systeme de commande de la frequence d'un oscillateur
EP1067690A3 (fr) Générateur d'horloge à déphasage variable
GB2282500B (en) Frequency converter outputting a clock signal having a stable and accurate frequency
WO2005043745A3 (fr) Synthetiseur a sauts de frequence rapides
EP0235303A4 (fr) Systeme d'ajustement de la phase horloge.
AUPM587094A0 (en) Microwave loop oscillators
AU6075396A (en) Phase-locked loop frequency synthesizer
AU4003189A (en) A coaxial-waveguide phase shifter
CA2238093A1 (fr) Synthetiseur de frequence numerique direct utilisant un deplacement d'intervalle d'impulsions
IL119860A (en) Digital phase shifter for phase shifting an input signal by given increments
CA2195193A1 (fr) Boucle numerique a phase asservie

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed