FR2809884B1 - Dispositif pour reduire l'emission electromagnetique d'un circuit electronique - Google Patents

Dispositif pour reduire l'emission electromagnetique d'un circuit electronique

Info

Publication number
FR2809884B1
FR2809884B1 FR0007016A FR0007016A FR2809884B1 FR 2809884 B1 FR2809884 B1 FR 2809884B1 FR 0007016 A FR0007016 A FR 0007016A FR 0007016 A FR0007016 A FR 0007016A FR 2809884 B1 FR2809884 B1 FR 2809884B1
Authority
FR
France
Prior art keywords
reducing
electronic circuit
electromagnetic emission
emission
electromagnetic
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
FR0007016A
Other languages
English (en)
Other versions
FR2809884A1 (fr
Inventor
Dragos Davidescu
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 FR0007016A priority Critical patent/FR2809884B1/fr
Publication of FR2809884A1 publication Critical patent/FR2809884A1/fr
Application granted granted Critical
Publication of FR2809884B1 publication Critical patent/FR2809884B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
    • H04B15/04—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/13—Arrangements having a single output and transforming input signals into pulses delivered at desired time intervals
    • H03K5/133—Arrangements having a single output and transforming input signals into pulses delivered at desired time intervals using a chain of active delay devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K2005/00013—Delay, i.e. output pulse is delayed after input pulse and pulse length of output pulse is dependent on pulse length of input pulse
    • H03K2005/00019—Variable delay
    • H03K2005/00026—Variable delay controlled by an analog electrical signal, e.g. obtained after conversion by a D/A converter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2215/00—Reducing interference at the transmission system level
    • H04B2215/064—Reduction of clock or synthesizer reference frequency harmonics
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2215/00—Reducing interference at the transmission system level
    • H04B2215/064—Reduction of clock or synthesizer reference frequency harmonics
    • H04B2215/067—Reduction of clock or synthesizer reference frequency harmonics by modulation dispersion
FR0007016A 2000-05-31 2000-05-31 Dispositif pour reduire l'emission electromagnetique d'un circuit electronique Expired - Fee Related FR2809884B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0007016A FR2809884B1 (fr) 2000-05-31 2000-05-31 Dispositif pour reduire l'emission electromagnetique d'un circuit electronique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0007016A FR2809884B1 (fr) 2000-05-31 2000-05-31 Dispositif pour reduire l'emission electromagnetique d'un circuit electronique

Publications (2)

Publication Number Publication Date
FR2809884A1 FR2809884A1 (fr) 2001-12-07
FR2809884B1 true FR2809884B1 (fr) 2002-11-29

Family

ID=8850853

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0007016A Expired - Fee Related FR2809884B1 (fr) 2000-05-31 2000-05-31 Dispositif pour reduire l'emission electromagnetique d'un circuit electronique

Country Status (1)

Country Link
FR (1) FR2809884B1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0163313A3 (fr) * 1984-05-30 1986-10-01 Tektronix, Inc. Méthode et appareil pour la dispersion spectrale de l'énergie radiée d'un système numérique
CN1097897C (zh) * 1994-04-21 2003-01-01 艾利森公司 降低电子设备中来自振荡器的干扰
DE4442403C2 (de) * 1994-11-30 1997-01-23 Itt Ind Gmbh Deutsche Taktgenerator zur Erzeugung eines störstrahlarmen Systemtaktes
DE19517265A1 (de) * 1995-05-11 1996-11-14 Vdo Schindling Verfahren und Schaltungsanordnung zur Verringerung von Störungen
JP3729600B2 (ja) * 1997-05-16 2005-12-21 株式会社ルネサステクノロジ 遅延制御回路
DE69932004T2 (de) * 1998-01-20 2007-06-28 Silicon Image, Inc. Spreizspektrumphasenmodulation zur unterdrückung von elektromagnetischen störungen in parallellen datenkanäle

Also Published As

Publication number Publication date
FR2809884A1 (fr) 2001-12-07

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Legal Events

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Effective date: 20080131