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FR2940555B1 - Dispositif de filtrage a auto-etalonnage - Google Patents

Dispositif de filtrage a auto-etalonnage

Info

Publication number
FR2940555B1
FR2940555B1 FR0807235A FR0807235A FR2940555B1 FR 2940555 B1 FR2940555 B1 FR 2940555B1 FR 0807235 A FR0807235 A FR 0807235A FR 0807235 A FR0807235 A FR 0807235A FR 2940555 B1 FR2940555 B1 FR 2940555B1
Authority
FR
France
Prior art keywords
signal
filter
phase shift
calibration
self
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
FR0807235A
Other languages
English (en)
Other versions
FR2940555A1 (fr
Inventor
Vincent Petit
Bruno Louis
Remi Corbiere
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.)
Thales SA
Original Assignee
Thales 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 Thales SA filed Critical Thales SA
Priority to FR0807235A priority Critical patent/FR2940555B1/fr
Priority to US12/640,277 priority patent/US20100208773A1/en
Publication of FR2940555A1 publication Critical patent/FR2940555A1/fr
Application granted granted Critical
Publication of FR2940555B1 publication Critical patent/FR2940555B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/16—Networks for phase shifting
    • H03H11/20—Two-port phase shifters providing an adjustable phase shift

Landscapes

  • Networks Using Active Elements (AREA)

Abstract

Dispositif de filtrage (100) à base d'un filtre actif (101) à transconductance, comportant des moyens d'auto-étalonnage, le principe d'étalonnage consistant à asservir le courant d'alimentation du filtre en fonction du déphasage entre un second signal (112) décalé d'un premier déphasage prédéterminé par rapport à un signal périodique de référence (110), et le signal de sortie (113) du filtre (101) en réponse à un premier signal (111) décalé d'un second déphasage prédéterminé par rapport au signal périodique de référence (110), l'asservissement tendant à minimiser le déphasage entre le signal de sortie (113) du filtre et le second signal (112).
FR0807235A 2008-12-19 2008-12-19 Dispositif de filtrage a auto-etalonnage Active FR2940555B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0807235A FR2940555B1 (fr) 2008-12-19 2008-12-19 Dispositif de filtrage a auto-etalonnage
US12/640,277 US20100208773A1 (en) 2008-12-19 2009-12-17 Auto-Calibration Filtering Device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0807235A FR2940555B1 (fr) 2008-12-19 2008-12-19 Dispositif de filtrage a auto-etalonnage

Publications (2)

Publication Number Publication Date
FR2940555A1 FR2940555A1 (fr) 2010-06-25
FR2940555B1 true FR2940555B1 (fr) 2012-09-07

Family

ID=40673326

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0807235A Active FR2940555B1 (fr) 2008-12-19 2008-12-19 Dispositif de filtrage a auto-etalonnage

Country Status (2)

Country Link
US (1) US20100208773A1 (fr)
FR (1) FR2940555B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3007843B1 (fr) * 2013-06-27 2016-12-09 Somfy Sas Procede et dispositif de determination de la phase d’un signal alternatif

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2811928B2 (ja) * 1990-07-17 1998-10-15 日本電気株式会社 自動調整フィルタ
US5416712A (en) * 1993-05-28 1995-05-16 Trimble Navigation Limited Position and velocity estimation system for adaptive weighting of GPS and dead-reckoning information
JP3318725B2 (ja) * 1994-01-12 2002-08-26 株式会社日立製作所 アナログフィルタ回路
US6002717A (en) * 1997-03-06 1999-12-14 National Semiconductor Corporation Method and apparatus for adaptive equalization using feedback indicative of undercompensation
JP2000082937A (ja) * 1998-09-07 2000-03-21 Hitachi Ltd 時分割アナログフィルタ制御方法および磁気ディスクシステム
US6470060B1 (en) * 1999-03-01 2002-10-22 Micron Technology, Inc. Method and apparatus for generating a phase dependent control signal
US6295233B1 (en) * 1999-07-19 2001-09-25 Hynix Semiconductor Current controlled open-drain output driver
EP1154586B1 (fr) * 2000-05-12 2006-01-18 STMicroelectronics S.r.l. Egaliseur
US6262624B1 (en) * 2000-05-19 2001-07-17 Advanced Micro Devices, Inc. Phase delay based filter transconductance (Gm/C) compensation circuit
US6636085B2 (en) * 2001-04-20 2003-10-21 Nec Electronics Corporation Phase shifter with an RC polyphase filter
JP4566742B2 (ja) * 2002-09-05 2010-10-20 エヌエックスピー ビー ヴィ 連続時間フィルタの自己キャリブレーション、およびかかるフィルタを備えるシステム
US7020793B1 (en) * 2003-01-31 2006-03-28 Lsi Logic Corporation Circuit for aligning signal with reference signal
TWI305986B (en) * 2006-03-14 2009-02-01 Princeton Technology Corp Fsk demodulator, fm demodulator and related method with a build-in band-pass filter
EP2311188B1 (fr) * 2008-06-19 2016-03-30 Qualcomm Incorporated Appareil et procédé permettant d'accorder un filtre gm-c

Also Published As

Publication number Publication date
FR2940555A1 (fr) 2010-06-25
US20100208773A1 (en) 2010-08-19

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