FI61257C - Anordning foer fassynkronisering av en foermedlingsstation i ett digitalt telekommunikationsnaet - Google Patents

Anordning foer fassynkronisering av en foermedlingsstation i ett digitalt telekommunikationsnaet Download PDF

Info

Publication number
FI61257C
FI61257C FI771016A FI771016A FI61257C FI 61257 C FI61257 C FI 61257C FI 771016 A FI771016 A FI 771016A FI 771016 A FI771016 A FI 771016A FI 61257 C FI61257 C FI 61257C
Authority
FI
Finland
Prior art keywords
output
phase
input
signals
controlled oscillator
Prior art date
Application number
FI771016A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI771016A (ja
FI61257B (fi
Inventor
Walter Ghisler
Aleksander Marlevi
Johan Olof Aonaes
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of FI771016A publication Critical patent/FI771016A/fi
Application granted granted Critical
Publication of FI61257B publication Critical patent/FI61257B/sv
Publication of FI61257C publication Critical patent/FI61257C/sv

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/02Details
    • H04J3/06Synchronising arrangements
    • H04J3/0635Clock or time synchronisation in a network
    • H04J3/0676Mutual
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08Details of the phase-locked loop
    • H03L7/085Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08Details of the phase-locked loop
    • H03L7/085Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/093Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using special filtering or amplification characteristics in the loop
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/02Details
    • H04J3/06Synchronising arrangements
    • H04J3/0635Clock or time synchronisation in a network
    • H04J3/0685Clock or time synchronisation in a node; Intranode synchronisation
    • H04J3/0688Change of the master or reference, e.g. take-over or failure of the master

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Mobile Radio Communication Systems (AREA)
FI771016A 1976-04-27 1977-04-01 Anordning foer fassynkronisering av en foermedlingsstation i ett digitalt telekommunikationsnaet FI61257C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7604797A SE398698B (sv) 1976-04-27 1976-04-27 Anordning for fassynkronisering av en formedlingsstation i ett digitalt telekommunikationsnet
SE7604797 1976-04-27

Publications (3)

Publication Number Publication Date
FI771016A FI771016A (ja) 1977-10-28
FI61257B FI61257B (fi) 1982-02-26
FI61257C true FI61257C (fi) 1982-06-10

Family

ID=20327696

Family Applications (1)

Application Number Title Priority Date Filing Date
FI771016A FI61257C (fi) 1976-04-27 1977-04-01 Anordning foer fassynkronisering av en foermedlingsstation i ett digitalt telekommunikationsnaet

Country Status (28)

Country Link
US (1) US4075428A (ja)
JP (1) JPS6010468B2 (ja)
AR (1) AR210303A1 (ja)
AU (1) AU500785B2 (ja)
BE (1) BE853944A (ja)
BR (1) BR7702620A (ja)
CA (1) CA1101512A (ja)
CH (1) CH616540A5 (ja)
CS (1) CS226167B2 (ja)
DD (1) DD130980A5 (ja)
DE (1) DE2714219A1 (ja)
DK (1) DK150436C (ja)
EG (1) EG12839A (ja)
ES (1) ES458184A1 (ja)
FI (1) FI61257C (ja)
FR (1) FR2350012A1 (ja)
GB (1) GB1526637A (ja)
HU (1) HU176230B (ja)
IN (1) IN147874B (ja)
IT (1) IT1075507B (ja)
MX (1) MX144361A (ja)
MY (1) MY8000025A (ja)
NL (1) NL188442C (ja)
NO (1) NO143413C (ja)
PL (1) PL115304B1 (ja)
SE (1) SE398698B (ja)
SU (1) SU659111A3 (ja)
YU (1) YU39800B (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1074199B (it) * 1976-12-23 1985-04-17 Italiana Telecomunicazioni Ora Memoria elastica per la soppressione del disturbo di fase (jitter)nei sistemi di trasmissione per segnali digitali
SE7714965L (sv) * 1977-12-30 1979-07-01 Ericsson Telefon Ab L M Anordning for att uppretthalla synkronism i ett digitalt telekommunikationsnet
FR2484104A1 (fr) * 1980-06-06 1981-12-11 Chomette Andre Boucle d'asservissement a microprocesseur
SE430456B (sv) * 1982-03-10 1983-11-14 Ericsson Telefon Ab L M Sett och anordning for att fassynkronisera en formedlingstation i ett digitalt telekommunikationsnet
SE433282B (sv) * 1982-09-20 1984-05-14 Ellemtel Utvecklings Ab Synkroniseringssystem
CA1279909C (en) * 1986-12-15 1991-02-05 Scott Marshall Apparatus and method for synchronizing a communication system
US6392578B1 (en) * 2000-04-20 2002-05-21 Analog Devices, Inc. Digital-to-analog converter and a method for facilitating outputting of an analog output of predetermined value from the digital-to-analog converter in response to a digital input code
FI121771B (fi) * 2009-01-16 2011-03-31 Tellabs Oy Menetelmä ja järjestely kellosignaalin säätämiseksi
FI123505B (fi) * 2011-03-14 2013-06-14 Tellabs Oy Menetelmä ja laite kellosignaalilähteen ohjaamiseksi

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3311739A (en) * 1963-01-10 1967-03-28 Ibm Accumulative multiplier
US3504126A (en) * 1967-05-22 1970-03-31 Bell Telephone Labor Inc Network synchronization in a time division switching system
US3579109A (en) * 1969-04-02 1971-05-18 Gen Dynamics Corp Automatic equalizer for digital data transmission systems
BE789775A (fr) * 1971-10-06 1973-04-06 Siemens Ag Dispositif de synchronisation mutuelle des oscillateurs de cadence de centraux d'un systeme de telecommunications pcm a multiplexage dans le temps
US4025720A (en) * 1975-05-30 1977-05-24 Gte Automatic Electric Laboratories Incorporated Digital bit rate converter

Also Published As

Publication number Publication date
US4075428A (en) 1978-02-21
AR210303A1 (es) 1977-07-15
NO143413C (no) 1981-02-04
CA1101512A (en) 1981-05-19
FR2350012B1 (ja) 1983-11-10
NL7704612A (nl) 1977-10-31
DE2714219A1 (de) 1977-11-17
IN147874B (ja) 1980-07-26
NL188442C (nl) 1992-06-16
DK150436B (da) 1987-02-23
SE398698B (sv) 1978-01-09
NL188442B (nl) 1992-01-16
AU2394777A (en) 1978-10-12
HU176230B (en) 1981-01-28
YU107777A (en) 1982-05-31
JPS52151511A (en) 1977-12-16
FI771016A (ja) 1977-10-28
AU500785B2 (en) 1979-05-31
FR2350012A1 (fr) 1977-11-25
NO143413B (no) 1980-10-27
FI61257B (fi) 1982-02-26
BE853944A (fr) 1977-08-16
IT1075507B (it) 1985-04-22
DE2714219C2 (ja) 1987-08-20
MY8000025A (en) 1980-12-31
SE7604797L (sv) 1977-10-28
CS226167B2 (en) 1984-03-19
MX144361A (es) 1981-10-05
PL115304B1 (en) 1981-03-31
DK182377A (da) 1977-10-28
CH616540A5 (ja) 1980-03-31
EG12839A (en) 1979-09-30
GB1526637A (en) 1978-09-27
SU659111A3 (ru) 1979-04-25
BR7702620A (pt) 1978-02-28
DK150436C (da) 1987-07-13
ES458184A1 (es) 1978-04-01
YU39800B (en) 1985-04-30
JPS6010468B2 (ja) 1985-03-18
NO771452L (no) 1977-10-28
DD130980A5 (de) 1978-05-17

Similar Documents

Publication Publication Date Title
US4651103A (en) Phase adjustment system
FI61257C (fi) Anordning foer fassynkronisering av en foermedlingsstation i ett digitalt telekommunikationsnaet
SE447620B (sv) Anordning for tidmultiplex dataoverforing
EP0057062B1 (en) Programmable clock rate generator
US4365328A (en) Device for switching digital data
US5122757A (en) Digital frequency generator
US3594733A (en) Digital pulse stretcher
US3342940A (en) Arrangement for registering call metering impulses in a communication system
US3701120A (en) Analog capacitor memory with slow write-in and fast nondestructive read-out
US4187403A (en) Voice-protected, frequency-selective signal receiver
US3860798A (en) Circuit arrangement for the measuring of the maximal value of the distortion of a binary series of steps during an adjustable measuring period
US3723760A (en) Transmission gating circuit
RU2037958C1 (ru) Делитель частоты
SU1158968A1 (ru) Устройство дл коррекции сигналов времени
US2828910A (en) Electronic pulse-counting system
US3121842A (en) memory
US3312835A (en) Frequency division timing circuit employing shunting circuit for inhibiting false reset signals to flip-flop stages
SU1188886A1 (ru) Делитель частоты следовани импульсов с переменным коэффициентом делени
SU439807A1 (ru) Устройство дл умножени чисел, представленных фазо-импульсными кодами
US3629839A (en) Time division multiplex switching system
US3875562A (en) Electronic selector having a number of inlets and an equal number of outlets for exchange of analog or digital signals
GB1560409A (en) Telephone switching circuit
SU1626432A1 (ru) Устройство циклового фазировани аппаратуры передачи дискретной информации
WO1979000459A1 (en) Arrangement for maintaining synchronism in a digital telecommunication network
SU474003A1 (ru) Устройство дл умножени частоты следовани импульсов

Legal Events

Date Code Title Description
MA Patent expired
MA Patent expired

Owner name: OY L M ERICSSON AB