JPS5732157A - Step-out detecting circuit - Google Patents

Step-out detecting circuit

Info

Publication number
JPS5732157A
JPS5732157A JP10854480A JP10854480A JPS5732157A JP S5732157 A JPS5732157 A JP S5732157A JP 10854480 A JP10854480 A JP 10854480A JP 10854480 A JP10854480 A JP 10854480A JP S5732157 A JPS5732157 A JP S5732157A
Authority
JP
Japan
Prior art keywords
frequency
output
oscillator
reference signal
state
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
JP10854480A
Other languages
Japanese (ja)
Other versions
JPS6037664B2 (en
Inventor
Tadashi Iwata
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP55108544A priority Critical patent/JPS6037664B2/en
Publication of JPS5732157A publication Critical patent/JPS5732157A/en
Publication of JPS6037664B2 publication Critical patent/JPS6037664B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)

Abstract

PURPOSE:To improve resolution by detecting a step-out state in a short time by setting or resetting the 2nd frequency divider by the output of the 1st frequency divider and by changing the storage state of a storing circuit. CONSTITUTION:The output frequency of a voltage-controlled oscillator 1 is divided by a frequency divider 2 to obtain a signal having a frequency nearly equal to that of a reference signal, and it is supplied to phase comparator 3 together with the output of a reference signal oscillator 4. The comparator 3 obtains a phase difference between those two input signals and supplies an oscillator 1 with an output which corresponds to the phase difference. The 1st frequency divider 5 divides the reference signal frequency of the reference signal oscillator 4, and the 2nd frequency dividers 6 and 7 constituting a counter 10 divide the output frequency of the oscillator 1. A gate circuit 8 comparing the outputs of the frequency dividers 6 and 7 mutually is so set that only when a state (0, 1) is set, a step-out state is discriminated. Consequently, when the output state of the counter 10 is (0, 1), the circuit 8 discriminates the step-out state and stores the result of discrimination in a storing circuit 9.
JP55108544A 1980-08-04 1980-08-04 Out-of-sync detection circuit Expired JPS6037664B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55108544A JPS6037664B2 (en) 1980-08-04 1980-08-04 Out-of-sync detection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55108544A JPS6037664B2 (en) 1980-08-04 1980-08-04 Out-of-sync detection circuit

Publications (2)

Publication Number Publication Date
JPS5732157A true JPS5732157A (en) 1982-02-20
JPS6037664B2 JPS6037664B2 (en) 1985-08-27

Family

ID=14487509

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55108544A Expired JPS6037664B2 (en) 1980-08-04 1980-08-04 Out-of-sync detection circuit

Country Status (1)

Country Link
JP (1) JPS6037664B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006212968A (en) * 2005-02-04 2006-08-17 Clover Denshi Kogyo Kk Paste printing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006212968A (en) * 2005-02-04 2006-08-17 Clover Denshi Kogyo Kk Paste printing device

Also Published As

Publication number Publication date
JPS6037664B2 (en) 1985-08-27

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