JPS57162526A - Phase synchronizing circuit - Google Patents

Phase synchronizing circuit

Info

Publication number
JPS57162526A
JPS57162526A JP56046941A JP4694181A JPS57162526A JP S57162526 A JPS57162526 A JP S57162526A JP 56046941 A JP56046941 A JP 56046941A JP 4694181 A JP4694181 A JP 4694181A JP S57162526 A JPS57162526 A JP S57162526A
Authority
JP
Japan
Prior art keywords
phase
terminal
signal
counter
period
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
JP56046941A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0379888B2 (enrdf_load_stackoverflow
Inventor
Kuninosuke Ihira
Shigeyuki Umigami
Hiroya Tanaka
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP56046941A priority Critical patent/JPS57162526A/ja
Publication of JPS57162526A publication Critical patent/JPS57162526A/ja
Publication of JPH0379888B2 publication Critical patent/JPH0379888B2/ja
Granted legal-status Critical Current

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
    • H03L7/16—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
    • H03L7/197—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 numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division
    • H03L7/199—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 numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division with reset of the frequency divider or the counter, e.g. for assuring initial synchronisation

Landscapes

  • Synchronisation In Digital Transmission Systems (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP56046941A 1981-03-30 1981-03-30 Phase synchronizing circuit Granted JPS57162526A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56046941A JPS57162526A (en) 1981-03-30 1981-03-30 Phase synchronizing circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56046941A JPS57162526A (en) 1981-03-30 1981-03-30 Phase synchronizing circuit

Publications (2)

Publication Number Publication Date
JPS57162526A true JPS57162526A (en) 1982-10-06
JPH0379888B2 JPH0379888B2 (enrdf_load_stackoverflow) 1991-12-20

Family

ID=12761333

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56046941A Granted JPS57162526A (en) 1981-03-30 1981-03-30 Phase synchronizing circuit

Country Status (1)

Country Link
JP (1) JPS57162526A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6156513A (ja) * 1984-08-27 1986-03-22 Sony Corp Ｐｌｌ回路
JPS61222320A (ja) * 1985-03-27 1986-10-02 Nec Corp 磁気記録再生装置の位相同期回路
JPS61265934A (ja) * 1985-05-21 1986-11-25 Japan Radio Co Ltd ビツト同期回路
JPH04301926A (ja) * 1991-03-28 1992-10-26 Mitsubishi Electric Corp Ｐｌｌ回路

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6156513A (ja) * 1984-08-27 1986-03-22 Sony Corp Ｐｌｌ回路
JPS61222320A (ja) * 1985-03-27 1986-10-02 Nec Corp 磁気記録再生装置の位相同期回路
JPS61265934A (ja) * 1985-05-21 1986-11-25 Japan Radio Co Ltd ビツト同期回路
JPH04301926A (ja) * 1991-03-28 1992-10-26 Mitsubishi Electric Corp Ｐｌｌ回路

Also Published As

Publication number Publication date
JPH0379888B2 (enrdf_load_stackoverflow) 1991-12-20

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