FR2959078B1 - Filtre passe-bas a frequence de coupure ajustable - Google Patents

Filtre passe-bas a frequence de coupure ajustable

Info

Publication number
FR2959078B1
FR2959078B1 FR1053023A FR1053023A FR2959078B1 FR 2959078 B1 FR2959078 B1 FR 2959078B1 FR 1053023 A FR1053023 A FR 1053023A FR 1053023 A FR1053023 A FR 1053023A FR 2959078 B1 FR2959078 B1 FR 2959078B1
Authority
FR
France
Prior art keywords
frequency
pass
adjustable cut
butter filter
butter
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
FR1053023A
Other languages
English (en)
Other versions
FR2959078A1 (fr
Inventor
Jean-Pierre Blanc
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 FR1053023A priority Critical patent/FR2959078B1/fr
Priority to US13/089,185 priority patent/US8305132B2/en
Publication of FR2959078A1 publication Critical patent/FR2959078A1/fr
Application granted granted Critical
Publication of FR2959078B1 publication Critical patent/FR2959078B1/fr
Expired - Fee Related 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
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/1291—Current or voltage controlled filters
FR1053023A 2010-04-20 2010-04-20 Filtre passe-bas a frequence de coupure ajustable Expired - Fee Related FR2959078B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1053023A FR2959078B1 (fr) 2010-04-20 2010-04-20 Filtre passe-bas a frequence de coupure ajustable
US13/089,185 US8305132B2 (en) 2010-04-20 2011-04-18 Low-pass filter with adjustable cut-off frequency

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1053023A FR2959078B1 (fr) 2010-04-20 2010-04-20 Filtre passe-bas a frequence de coupure ajustable

Publications (2)

Publication Number Publication Date
FR2959078A1 FR2959078A1 (fr) 2011-10-21
FR2959078B1 true FR2959078B1 (fr) 2012-05-25

Family

ID=43638835

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1053023A Expired - Fee Related FR2959078B1 (fr) 2010-04-20 2010-04-20 Filtre passe-bas a frequence de coupure ajustable

Country Status (2)

Country Link
US (1) US8305132B2 (fr)
FR (1) FR2959078B1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69217535T2 (de) * 1991-11-08 1997-09-25 Japan Res Dev Corp Verfahren zur Herstellung einer zweidimensionalen Partikelanordnung
JP3396333B2 (ja) * 1995-04-12 2003-04-14 シャープ株式会社 複合的フィルタ回路
US6268765B1 (en) * 1997-12-15 2001-07-31 Texas Instruments Incorporated 2.5V, 30-100 MHz 7th order equiripple delay continuous-time filter and variable gain amplifier
US6061009A (en) * 1998-03-30 2000-05-09 Silicon Laboratories, Inc. Apparatus and method for resetting delta-sigma modulator state variables using feedback impedance
US8120417B2 (en) * 2009-07-20 2012-02-21 Texas Instruments Incorporated Transfer-function control in an active filter

Also Published As

Publication number Publication date
US8305132B2 (en) 2012-11-06
US20110279196A1 (en) 2011-11-17
FR2959078A1 (fr) 2011-10-21

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20131231