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
  • H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
  • H03L7/087—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using at least two phase detectors or a frequency and phase detector in the loop
• • 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
  • H03L7/187—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 using means for coarse tuning the voltage controlled oscillator of the loop
  • H03L7/189—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 using means for coarse tuning the voltage controlled oscillator of the loop comprising a D/A converter for generating a coarse tuning voltage
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04J—MULTIPLEX COMMUNICATION
  • H04J1/00—Frequency-division multiplex systems
  • H04J1/02—Details
  • H04J1/06—Arrangements for supplying the carrier waves ; Arrangements for supplying synchronisation signals
  • H04J1/065—Synchronisation of carrier sources at the receiving station with the carrier source at the transmitting station

Landscapes

• Engineering & Computer Science (AREA)
• Computer Networks & Wireless Communication (AREA)
• Signal Processing (AREA)
• Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=5985231

Family Applications (1)

Country Status (11)

Families Citing this family (8)

Family Cites Families (5)

• 1976
  • 1976-08-11 DE DE19762636150 patent/DE2636150C2/de not_active Expired
• 1977
  • 1977-06-29 CH CH796277A patent/CH617804A5/de not_active IP Right Cessation
  • 1977-08-02 FR FR7723757A patent/FR2361769A1/fr active Granted
  • 1977-08-05 IT IT2650577A patent/IT1085727B/it active
  • 1977-08-08 AT AT579077A patent/AT365022B/de not_active IP Right Cessation
  • 1977-08-09 LU LU77942A patent/LU77942A1/xx unknown
  • 1977-08-10 GB GB3344877A patent/GB1591045A/en not_active Expired
  • 1977-08-10 SE SE7709061A patent/SE7709061L/ not_active Application Discontinuation
  • 1977-08-10 NL NL7708803A patent/NL7708803A/xx not_active Application Discontinuation
  • 1977-08-11 JP JP52096527A patent/JPS5821966B2/ja not_active Expired
  • 1977-08-11 BE BE180089A patent/BE857697A/xx unknown

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