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JPS533765A - Phase synchronous oscillating unit - Google Patents

Phase synchronous oscillating unit

Info

Publication number
JPS533765A
JPS533765A JP7830976A JP7830976A JPS533765A JP S533765 A JPS533765 A JP S533765A JP 7830976 A JP7830976 A JP 7830976A JP 7830976 A JP7830976 A JP 7830976A JP S533765 A JPS533765 A JP S533765A
Authority
JP
Japan
Prior art keywords
oscillating unit
phase synchronous
synchronous oscillating
phase
signal
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.)
Pending
Application number
JP7830976A
Other languages
Japanese (ja)
Inventor
Akifumi Ide
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP7830976A priority Critical patent/JPS533765A/en
Publication of JPS533765A publication Critical patent/JPS533765A/en
Pending 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
    • H03L7/183—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

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Processing Of Color Television Signals (AREA)

Abstract

PURPOSE:The phase of a dividing signal is controlled by the output of synchronous detector which detects the phase difference more than the prescribed values of the dividing signal and an external signal and the frequency of a voltage control oscillator is also clamped to the prescribed value, thereby is returned to synchronous condition immediately.
JP7830976A 1976-06-30 1976-06-30 Phase synchronous oscillating unit Pending JPS533765A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7830976A JPS533765A (en) 1976-06-30 1976-06-30 Phase synchronous oscillating unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7830976A JPS533765A (en) 1976-06-30 1976-06-30 Phase synchronous oscillating unit

Publications (1)

Publication Number Publication Date
JPS533765A true JPS533765A (en) 1978-01-13

Family

ID=13658320

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7830976A Pending JPS533765A (en) 1976-06-30 1976-06-30 Phase synchronous oscillating unit

Country Status (1)

Country Link
JP (1) JPS533765A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5532297A (en) * 1978-07-17 1980-03-06 Digital Equipment Corp Device for reading plurally recorded data on magnetic disk
JPS6076813A (en) * 1983-10-04 1985-05-01 Nippon Telegr & Teleph Corp <Ntt> Pll circuit
JPS6447127A (en) * 1987-08-17 1989-02-21 Nec Corp Digital phase control circuit
JPH01115221A (en) * 1987-10-29 1989-05-08 Canon Inc Pll circuit

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5532297A (en) * 1978-07-17 1980-03-06 Digital Equipment Corp Device for reading plurally recorded data on magnetic disk
JPS63177368A (en) * 1978-07-17 1988-07-21 ディジタル　イクイプメントコーポレーション Phase errors detector
JPH0465474B2 (en) * 1978-07-17 1992-10-20 Digital Equipment Corp
JPS6076813A (en) * 1983-10-04 1985-05-01 Nippon Telegr & Teleph Corp <Ntt> Pll circuit
JPS6447127A (en) * 1987-08-17 1989-02-21 Nec Corp Digital phase control circuit
JPH01115221A (en) * 1987-10-29 1989-05-08 Canon Inc Pll circuit

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