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FR2782387B1 - Circuit de detection de la disparition d'un signal periodique - Google Patents

Circuit de detection de la disparition d'un signal periodique

Info

Publication number
FR2782387B1
FR2782387B1 FR9810480A FR9810480A FR2782387B1 FR 2782387 B1 FR2782387 B1 FR 2782387B1 FR 9810480 A FR9810480 A FR 9810480A FR 9810480 A FR9810480 A FR 9810480A FR 2782387 B1 FR2782387 B1 FR 2782387B1
Authority
FR
France
Prior art keywords
disappearance
detecting
circuit
periodic signal
periodic
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.)
Expired - Fee Related
Application number
FR9810480A
Other languages
English (en)
Other versions
FR2782387A1 (fr
Inventor
Laurent Monceau
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.)
STMicroelectronics SA
Original Assignee
STMicroelectronics SA
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 STMicroelectronics SA filed Critical STMicroelectronics SA
Priority to FR9810480A priority Critical patent/FR2782387B1/fr
Priority to US09/374,068 priority patent/US6246261B1/en
Publication of FR2782387A1 publication Critical patent/FR2782387A1/fr
Application granted granted Critical
Publication of FR2782387B1 publication Critical patent/FR2782387B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
FR9810480A 1998-08-13 1998-08-13 Circuit de detection de la disparition d'un signal periodique Expired - Fee Related FR2782387B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9810480A FR2782387B1 (fr) 1998-08-13 1998-08-13 Circuit de detection de la disparition d'un signal periodique
US09/374,068 US6246261B1 (en) 1998-08-13 1999-08-12 Circuit for detecting the disappearing of a periodic signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9810480A FR2782387B1 (fr) 1998-08-13 1998-08-13 Circuit de detection de la disparition d'un signal periodique

Publications (2)

Publication Number Publication Date
FR2782387A1 FR2782387A1 (fr) 2000-02-18
FR2782387B1 true FR2782387B1 (fr) 2000-11-03

Family

ID=9529725

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9810480A Expired - Fee Related FR2782387B1 (fr) 1998-08-13 1998-08-13 Circuit de detection de la disparition d'un signal periodique

Country Status (2)

Country Link
US (1) US6246261B1 (fr)
FR (1) FR2782387B1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4211195B2 (ja) * 2000-05-17 2009-01-21 沖電気工業株式会社 クロック異常検出回路
JP2002083000A (ja) * 2000-09-06 2002-03-22 Fujitsu Ltd 論理回路設計方法及び論理回路
JP3489560B2 (ja) * 2000-11-10 2004-01-19 日本電気株式会社 クロック断検出回路
US7296170B1 (en) 2004-01-23 2007-11-13 Zilog, Inc. Clock controller with clock source fail-safe logic
US7242217B2 (en) * 2004-12-01 2007-07-10 Altera Corporation Output reporting techniques for hard intellectual property blocks
US7498848B2 (en) * 2006-10-03 2009-03-03 Freescale Semiconductor, Inc. System and method for monitoring clock signal in an integrated circuit
JP4306735B2 (ja) * 2007-01-31 2009-08-05 トヨタ自動車株式会社 車両用シート
CN102288835B (zh) * 2011-06-16 2013-06-19 四川和芯微电子股份有限公司 信号检测电路及方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4311962A (en) * 1979-09-04 1982-01-19 The Bendix Corporation Variable frequency missing pulse detector
US4622481A (en) * 1985-08-21 1986-11-11 Rca Corporation Digital envelope detection circuit
US4914680A (en) * 1987-06-03 1990-04-03 Sanyo Electric Co., Ltd. Signal distinction circuit
JPH01288914A (ja) * 1988-05-16 1989-11-21 Fujitsu Ltd クロック断検出回路
FR2647989B1 (fr) * 1989-05-31 1991-08-23 Cit Alcatel Dispositif de detection de perte de signal de reception pour recepteur de signaux numeriques
JPH04306930A (ja) * 1991-04-04 1992-10-29 Seiko Epson Corp クロック異常検出器
JPH08316946A (ja) * 1995-05-18 1996-11-29 Fujitsu Ltd クロック断検出回路

Also Published As

Publication number Publication date
FR2782387A1 (fr) 2000-02-18
US6246261B1 (en) 2001-06-12

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20090430