FR3021117B1 - Circuits de detection de frequence - Google Patents

Circuits de detection de frequence Download PDF

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Publication number
FR3021117B1
FR3021117B1 FR1554172A FR1554172A FR3021117B1 FR 3021117 B1 FR3021117 B1 FR 3021117B1 FR 1554172 A FR1554172 A FR 1554172A FR 1554172 A FR1554172 A FR 1554172A FR 3021117 B1 FR3021117 B1 FR 3021117B1
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FR
France
Prior art keywords
flop
input
type flip
detection circuits
frequency detection
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.)
Active
Application number
FR1554172A
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English (en)
French (fr)
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FR3021117A1 (enExample
Inventor
Sunil S Patel
Frank J Ludicky
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.)
Hamilton Sundstrand Corp
Original Assignee
Hamilton Sundstrand 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 Hamilton Sundstrand Corp filed Critical Hamilton Sundstrand Corp
Publication of FR3021117A1 publication Critical patent/FR3021117A1/fr
Application granted granted Critical
Publication of FR3021117B1 publication Critical patent/FR3021117B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/30—Structural combination of electric measuring instruments with basic electronic circuits, e.g. with amplifier
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G01R23/15—Indicating that frequency of pulses is either above or below a predetermined value or within or outside a predetermined range of values, by making use of non-linear or digital elements (indicating that pulse width is above or below a certain limit)

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
FR1554172A 2014-05-16 2015-05-11 Circuits de detection de frequence Active FR3021117B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14/279,919 US9568520B2 (en) 2014-05-16 2014-05-16 Frequency detection circuits

Publications (2)

Publication Number Publication Date
FR3021117A1 FR3021117A1 (enExample) 2015-11-20
FR3021117B1 true FR3021117B1 (fr) 2020-10-02

Family

ID=54395001

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1554172A Active FR3021117B1 (fr) 2014-05-16 2015-05-11 Circuits de detection de frequence

Country Status (2)

Country Link
US (1) US9568520B2 (enExample)
FR (1) FR3021117B1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113484604B (zh) * 2021-07-08 2023-04-21 中国人民解放军国防科技大学 可消除测量电路影响的set脉冲测量电路及集成电路芯片

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4267514A (en) * 1979-02-16 1981-05-12 The United States Of America As Represented By The Secretary Of The Air Force Digital phase-frequency detector
JPS62251674A (ja) * 1986-04-25 1987-11-02 Mitsubishi Electric Corp 周波数異常検出回路
DE3815531A1 (de) * 1988-05-06 1989-11-23 Heidelberger Druckmasch Ag Verfahren und anordnung zur ueberwachung eines taktsignals
DE9013585U1 (de) * 1990-09-27 1990-11-29 Siemens AG, 8000 München Schaltungsanordnung zum Überwachen einer Taktimpulsfolge hinsichtlich der Einhaltung einer vorgegebenen Frequenztoleranzgrenze
US5546025A (en) * 1994-03-11 1996-08-13 Mitel, Inc. Low frequency discrimator using upper and lower thresholds
US5497110A (en) * 1995-04-12 1996-03-05 Magl Power Inc. Frequency monitor and error detector circuit
US5610561A (en) * 1995-08-18 1997-03-11 Ventritex, Inc. Crystal oscillator and back-up circuit with overspeed and underspeed detection
US6560305B1 (en) * 1997-10-15 2003-05-06 Analog Devices, Inc. Frequency detector
US5896049A (en) * 1997-10-21 1999-04-20 Kohler Co. Electrical signal frequency detector
US6100721A (en) * 1999-02-01 2000-08-08 Motorola, Inc. Circuit and method of extending the linear range of a phase frequency detector
EP1113579A1 (fr) * 1999-12-29 2001-07-04 Koninklijke Philips Electronics N.V. Procédé pour diviser la fréquence d'un signal
US7646224B2 (en) * 2007-05-04 2010-01-12 Exar Corporation Means to detect a missing pulse and reduce the associated PLL phase bump
US20140021927A1 (en) 2012-07-19 2014-01-23 Hamilton Sundstrand Corporation Adaptive current control for inductive loads

Also Published As

Publication number Publication date
FR3021117A1 (enExample) 2015-11-20
US20150331026A1 (en) 2015-11-19
US9568520B2 (en) 2017-02-14

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