Classifications

• • 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
  • H03L7/08—Details of the phase-locked loop
  • H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
  • H03L7/0991—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator being a digital oscillator, e.g. composed of a fixed oscillator followed by a variable frequency divider
  • H03L7/0992—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator being a digital oscillator, e.g. composed of a fixed oscillator followed by a variable frequency divider comprising a counter or a frequency divider
• • 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
  • H03B21/025—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 by repeated mixing in combination with division of frequency only
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03K—PULSE TECHNIQUE
  • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass

Applications Claiming Priority (1)

Publications (1)

Family

ID=5712264

Family Applications (1)

Country Status (10)

Families Citing this family (4)

• 1968
  • 1968-11-02 DE DE19681806765 patent/DE1806765C3/de not_active Expired
• 1969
  • 1969-09-09 NL NL6913694A patent/NL6913694A/xx unknown
  • 1969-09-17 CH CH1401869A patent/CH516261A/de not_active IP Right Cessation
  • 1969-09-24 DK DK505769A patent/DK124227B/da unknown
  • 1969-10-29 NO NO428369A patent/NO127128B/no unknown
  • 1969-10-29 BE BE740962D patent/BE740962A/xx unknown
  • 1969-10-30 FR FR6937373A patent/FR2022454B1/fr not_active Expired
  • 1969-10-31 ES ES373057A patent/ES373057A1/es not_active Expired
  • 1969-10-31 SE SE1494169A patent/SE352995B/xx unknown
  • 1969-11-03 GB GB5388269A patent/GB1293584A/en not_active Expired

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