JPS58201478A - Ｐｌｌ回路の同期非同期状態検出回路 - Google Patents

Ｐｌｌ回路の同期非同期状態検出回路

Info

Publication number
JPS58201478A
JPS58201478A JP57085598A JP8559882A JPS58201478A JP S58201478 A JPS58201478 A JP S58201478A JP 57085598 A JP57085598 A JP 57085598A JP 8559882 A JP8559882 A JP 8559882A JP S58201478 A JPS58201478 A JP S58201478A
Authority
JP
Japan
Prior art keywords
circuit
output
signal
component
frequency component
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
JP57085598A
Other languages
English (en)
Japanese (ja)
Inventor
Hitoshi Katsuyama
勝山　仁志
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.)
Pioneer Video Corp
Original Assignee
Pioneer Video 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 Pioneer Video Corp filed Critical Pioneer Video Corp
Priority to JP57085598A priority Critical patent/JPS58201478A/ja
Priority to GB08313517A priority patent/GB2122441B/en
Priority to DE19833318322 priority patent/DE3318322A1/de
Priority to US06/496,733 priority patent/US4555679A/en
Publication of JPS58201478A publication Critical patent/JPS58201478A/ja
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
    • H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/095—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using a lock detector
    • 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
    • H03L7/1075—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 by changing characteristics of the loop filter, e.g. changing the gain, changing the bandwidth
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/87—Regeneration of colour television signals
    • H04N9/89—Time-base error compensation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S331/00—Oscillators
    • Y10S331/02—Phase locked loop having lock indicating or detecting means

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Rotational Drive Of Disk (AREA)
  • Television Signal Processing For Recording (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
JP57085598A 1982-05-20 1982-05-20 Ｐｌｌ回路の同期非同期状態検出回路 Pending JPS58201478A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP57085598A JPS58201478A (ja) 1982-05-20 1982-05-20 Ｐｌｌ回路の同期非同期状態検出回路
GB08313517A GB2122441B (en) 1982-05-20 1983-05-17 Phase-locked loop lock-detecting circuit
DE19833318322 DE3318322A1 (de) 1982-05-20 1983-05-19 Schaltung zum erfassen des synchronen bzw. asynchronen zustandes einer pll-schaltung
US06/496,733 US4555679A (en) 1982-05-20 1983-05-20 Detection circuit for detecting synchronous and asynchronous states in a phase-locked loop circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57085598A JPS58201478A (ja) 1982-05-20 1982-05-20 Ｐｌｌ回路の同期非同期状態検出回路

Publications (1)

Publication Number Publication Date
JPS58201478A true JPS58201478A (ja) 1983-11-24

Family

ID=13863257

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57085598A Pending JPS58201478A (ja) 1982-05-20 1982-05-20 Ｐｌｌ回路の同期非同期状態検出回路

Country Status (4)

Country Link
US (1) US4555679A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS58201478A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3318322A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2122441B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60158725A (ja) * 1984-01-30 1985-08-20 Toshiba Corp クロツク再生回路の同期外れ検出方式
JPS61156093U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1985-03-19 1986-09-27
JPH01209816A (ja) * 1988-02-17 1989-08-23 Nec Corp 周波数位相同期回路

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4847678A (en) * 1988-01-11 1989-07-11 Eastman Kodak Company Dual mode gen-lock system which automatically locks to color burst or to sync information
US5062123A (en) * 1989-08-16 1991-10-29 Cincinnati Electronics Corporation Kalman predictor for providing a relatively noise free indication of the phase of a carrier laden with noise
DE3940860A1 (de) * 1989-12-11 1991-06-13 Thomson Brandt Gmbh Schaltungsanordnung zum erkennen eines fernsehsignals
JP3055607B2 (ja) * 1997-05-29 2000-06-26 日本電気株式会社 シュミットトリガ回路を利用した位相同期ループ回路

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49120570A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-03-16 1974-11-18

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB768678A (en) * 1953-08-31 1957-02-20 Emi Ltd Improvements in or relating to synchronising circuits
DE1079124B (de) * 1958-10-09 1960-04-07 Telefunken Gmbh Schaltungsanordnung zur Synchronisierung eines Schwingungserzeugers
US3078421A (en) * 1959-11-03 1963-02-19 Zenith Radio Corp Synchronizing a signal generator by utilizing variable filter in control circuit
US3796962A (en) * 1972-10-06 1974-03-12 Hekimian Laboratories Inc Phase lock loop and frequency discriminator employed therein
JPS49110218A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-02-20 1974-10-21
US4000476A (en) * 1974-12-19 1976-12-28 Digital Communications Corporation Phase locked loop with circuit for preventing sidelock
NL7502200A (nl) * 1975-02-25 1976-08-27 Philips Nv Een kleurentelevisieontvanger bevattende een kleurhulpdraaggolfregenerator.
JPS54115817U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1978-02-02 1979-08-14
JPS6014526B2 (ja) * 1980-05-10 1985-04-13 アルプス電気株式会社 Ｐｌｌ発振回路

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49120570A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-03-16 1974-11-18

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60158725A (ja) * 1984-01-30 1985-08-20 Toshiba Corp クロツク再生回路の同期外れ検出方式
JPS61156093U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1985-03-19 1986-09-27
JPH01209816A (ja) * 1988-02-17 1989-08-23 Nec Corp 周波数位相同期回路

Also Published As

Publication number Publication date
GB2122441A (en) 1984-01-11
DE3318322C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-12-03
US4555679A (en) 1985-11-26
GB8313517D0 (en) 1983-06-22
GB2122441B (en) 1986-01-29
DE3318322A1 (de) 1983-11-24

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