IT1085727B - CIRCUIT ARRANGEMENT TO SYNCHRONIZE, WITH PHASE PRECISION, BASIC GENERATORS IN ELECTRIC COMMUNICATIONS SYSTEMS AT GLASS FREQUENCIES - Google Patents

CIRCUIT ARRANGEMENT TO SYNCHRONIZE, WITH PHASE PRECISION, BASIC GENERATORS IN ELECTRIC COMMUNICATIONS SYSTEMS AT GLASS FREQUENCIES

Info

Publication number
IT1085727B
IT1085727B IT2650577A IT2650577A IT1085727B IT 1085727 B IT1085727 B IT 1085727B IT 2650577 A IT2650577 A IT 2650577A IT 2650577 A IT2650577 A IT 2650577A IT 1085727 B IT1085727 B IT 1085727B
Authority
IT
Italy
Prior art keywords
synchronize
frequencies
glass
circuit arrangement
communications systems
Prior art date
Application number
IT2650577A
Other languages
Italian (it)
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of IT1085727B publication Critical patent/IT1085727B/en

Links

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)
IT2650577A 1976-08-11 1977-08-05 CIRCUIT ARRANGEMENT TO SYNCHRONIZE, WITH PHASE PRECISION, BASIC GENERATORS IN ELECTRIC COMMUNICATIONS SYSTEMS AT GLASS FREQUENCIES IT1085727B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762636150 DE2636150C2 (en) 1976-08-11 1976-08-11 Method and arrangement for phase-accurate synchronization of basic generators

Publications (1)

Publication Number Publication Date
IT1085727B true IT1085727B (en) 1985-05-28

Family

ID=5985231

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2650577A IT1085727B (en) 1976-08-11 1977-08-05 CIRCUIT ARRANGEMENT TO SYNCHRONIZE, WITH PHASE PRECISION, BASIC GENERATORS IN ELECTRIC COMMUNICATIONS SYSTEMS AT GLASS FREQUENCIES

Country Status (11)

Country Link
JP (1) JPS5821966B2 (en)
AT (1) AT365022B (en)
BE (1) BE857697A (en)
CH (1) CH617804A5 (en)
DE (1) DE2636150C2 (en)
FR (1) FR2361769A1 (en)
GB (1) GB1591045A (en)
IT (1) IT1085727B (en)
LU (1) LU77942A1 (en)
NL (1) NL7708803A (en)
SE (1) SE7709061L (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2907608A1 (en) * 1979-02-27 1980-08-28 Siemens Ag CIRCUIT FOR CLOCK GENERATION IN TELECOMMUNICATION SYSTEMS, IN PARTICULAR TIME MULTIPLEX-DIGITAL SWITCHING SYSTEMS
DE2941712A1 (en) * 1979-10-15 1981-04-30 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt TV receiver remote control with frequency stabiliser - uses one oscillator and discriminator in control loop with another as reference
DE2945331C2 (en) * 1979-11-09 1984-05-30 Nixdorf Computer Ag, 4790 Paderborn Device in a signal or data processing system for setting a signal processing circuit
JPS6329304Y2 (en) * 1979-11-20 1988-08-08
USRE34317E (en) * 1982-08-05 1993-07-20 Seiko Epson Corporation Variable frequency oscillator
NL8402286A (en) * 1984-07-19 1986-02-17 Philips Nv COLOR TV RECEIVER CONTAINING A CHROMINANCE SIGNAL PROCESSING CIRCUIT AND AN INTEGRATED CIRCUIT.
AT386305B (en) * 1986-07-08 1988-08-10 Siemens Ag Oesterreich Carrier frequency station
DE58909454D1 (en) * 1989-07-06 1995-11-02 Itt Ind Gmbh Deutsche Digital control circuit for tuning systems.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1067454A (en) * 1963-06-21 1967-05-03 Plessey Uk Ltd Improvements in or relating to controlled frequency electrical oscillation generators
DE2126281A1 (en) * 1971-05-27 1972-12-14 Spectrospin Ag Device for generating a frequency stable HF oscillation
DE2238241A1 (en) * 1972-08-03 1974-02-14 Bosch Gmbh Robert CIRCUIT ARRANGEMENT FOR FILTERING PULSE RESULT FREQUENCIES, IN PARTICULAR FOR PULSE SPEED SENSORS ON MOTOR VEHICLES
JPS5075351A (en) * 1973-11-05 1975-06-20
JPS513160A (en) * 1974-06-25 1976-01-12 Matsushita Electric Ind Co Ltd

Also Published As

Publication number Publication date
DE2636150B1 (en) 1978-01-05
FR2361769A1 (en) 1978-03-10
AT365022B (en) 1981-12-10
JPS5321558A (en) 1978-02-28
SE7709061L (en) 1978-02-12
LU77942A1 (en) 1977-11-17
NL7708803A (en) 1978-02-14
CH617804A5 (en) 1980-06-13
ATA579077A (en) 1981-04-15
JPS5821966B2 (en) 1983-05-06
DE2636150C2 (en) 1984-10-25
FR2361769B1 (en) 1981-10-16
GB1591045A (en) 1981-06-10
BE857697A (en) 1977-12-01

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