JPS5381057A - Phase control system of synchronous oscillating circuit - Google Patents

Phase control system of synchronous oscillating circuit

Info

Publication number
JPS5381057A
JPS5381057A JP15837676A JP15837676A JPS5381057A JP S5381057 A JPS5381057 A JP S5381057A JP 15837676 A JP15837676 A JP 15837676A JP 15837676 A JP15837676 A JP 15837676A JP S5381057 A JPS5381057 A JP S5381057A
Authority
JP
Japan
Prior art keywords
control system
phase control
oscillating circuit
synchronous oscillating
synchronous
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
JP15837676A
Other languages
Japanese (ja)
Inventor
Yoshihiro Hamura
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 JP15837676A priority Critical patent/JPS5381057A/en
Publication of JPS5381057A publication Critical patent/JPS5381057A/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
    • H03L7/08—Details of the phase-locked loop
    • H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H03L7/107—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)

Abstract

PURPOSE:To synchronize the phase of an input signal to the voltage control oscillator in the early stage in the synchronous lead-in time and to prevent the malfunction in the follow-up time.
JP15837676A 1976-12-27 1976-12-27 Phase control system of synchronous oscillating circuit Pending JPS5381057A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15837676A JPS5381057A (en) 1976-12-27 1976-12-27 Phase control system of synchronous oscillating circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15837676A JPS5381057A (en) 1976-12-27 1976-12-27 Phase control system of synchronous oscillating circuit

Publications (1)

Publication Number Publication Date
JPS5381057A true JPS5381057A (en) 1978-07-18

Family

ID=15670341

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15837676A Pending JPS5381057A (en) 1976-12-27 1976-12-27 Phase control system of synchronous oscillating circuit

Country Status (1)

Country Link
JP (1) JPS5381057A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59228414A (en) * 1983-06-09 1984-12-21 Matsushita Electric Ind Co Ltd Phase comparator circuit
JPS6118221A (en) * 1984-07-04 1986-01-27 Kokusai Denshin Denwa Co Ltd <Kdd> Phase locked loop

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59228414A (en) * 1983-06-09 1984-12-21 Matsushita Electric Ind Co Ltd Phase comparator circuit
JPH0326571B2 (en) * 1983-06-09 1991-04-11 Matsushita Electric Ind Co Ltd
JPS6118221A (en) * 1984-07-04 1986-01-27 Kokusai Denshin Denwa Co Ltd <Kdd> Phase locked loop

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