[go: up one dir, main page]

FR2844116B1 - Filtre passe-bas presentant un gain variable - Google Patents

Filtre passe-bas presentant un gain variable

Info

Publication number
FR2844116B1
FR2844116B1 FR0210751A FR0210751A FR2844116B1 FR 2844116 B1 FR2844116 B1 FR 2844116B1 FR 0210751 A FR0210751 A FR 0210751A FR 0210751 A FR0210751 A FR 0210751A FR 2844116 B1 FR2844116 B1 FR 2844116B1
Authority
FR
France
Prior art keywords
pass
variable gain
base filter
filter
base
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
FR0210751A
Other languages
English (en)
Other versions
FR2844116A1 (fr
Inventor
Lionel Grillo
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 FR0210751A priority Critical patent/FR2844116B1/fr
Priority to US10/649,998 priority patent/US7102434B2/en
Publication of FR2844116A1 publication Critical patent/FR2844116A1/fr
Application granted granted Critical
Publication of FR2844116B1 publication Critical patent/FR2844116B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H03H11/1213—Frequency selective two-port networks using amplifiers with feedback using transistor amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier
    • H03G1/0023—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier in emitter-coupled or cascode amplifiers
    • 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
FR0210751A 2002-08-30 2002-08-30 Filtre passe-bas presentant un gain variable Expired - Fee Related FR2844116B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0210751A FR2844116B1 (fr) 2002-08-30 2002-08-30 Filtre passe-bas presentant un gain variable
US10/649,998 US7102434B2 (en) 2002-08-30 2003-08-26 Variable gain low-pass filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0210751A FR2844116B1 (fr) 2002-08-30 2002-08-30 Filtre passe-bas presentant un gain variable

Publications (2)

Publication Number Publication Date
FR2844116A1 FR2844116A1 (fr) 2004-03-05
FR2844116B1 true FR2844116B1 (fr) 2006-03-31

Family

ID=31503000

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0210751A Expired - Fee Related FR2844116B1 (fr) 2002-08-30 2002-08-30 Filtre passe-bas presentant un gain variable

Country Status (2)

Country Link
US (1) US7102434B2 (fr)
FR (1) FR2844116B1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7461554B2 (en) * 2005-10-14 2008-12-09 Olympus Ndt Digital time variable gain circuit for non-destructive test instrument
US7757557B2 (en) * 2005-10-14 2010-07-20 Olympus Ndt Ultrasonic detection measurement system using a tunable digital filter with 4x interpolator
US8001841B2 (en) * 2005-10-14 2011-08-23 Olympus Ndt Ultrasonic fault detection system using a high dynamic range analog to digital conversion system
US8072270B2 (en) * 2009-04-27 2011-12-06 Broadcom Corporation CMOS RF power amplifier with LDMOS bias circuit for large supply voltages
NL2008774C2 (en) * 2012-03-19 2013-09-23 Contronics Engineering B V A determination method and a control method for a fluid displacement device, controller and system.
EP2725709B1 (fr) * 2012-10-26 2015-06-17 EM Microelectronic-Marin SA Circuit électronique pour la commande automatique du gain à double pente d'un amplificateur
US11444631B2 (en) * 2018-03-21 2022-09-13 Analog Devices, Inc. Low power amplifier structures and calibrations for the low power amplifier structures
RU2721155C1 (ru) * 2019-11-21 2020-05-18 федеральное государственное бюджетное образовательное учреждение высшего образования "Донской государственный технический университет" (ДГТУ) Фильтр нижних частот третьего порядка с минимальным количеством конденсаторов на порядок

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US6563382B1 (en) * 2000-10-10 2003-05-13 International Business Machines Corporation Linear variable gain amplifiers

Also Published As

Publication number Publication date
FR2844116A1 (fr) 2004-03-05
US20040041630A1 (en) 2004-03-04
US7102434B2 (en) 2006-09-05

Similar Documents

Publication Publication Date Title
DE60313409D1 (de) Akustisches Bandsperrenfilter
DE602004019657D1 (de) Filteranordnungen
DE10392971D2 (de) Filterschaltung
DE60327184D1 (de) Abgasreinigungsfilter
DK1535524T3 (da) Filter til rygning
ATE508781T1 (de) Filtermodul
DE60229555D1 (de) Filterelement
DE602004024174D1 (de) Wärme-regenerativer desodorierender filter
BR0315742B1 (pt) conjunto de filtro.
DE50307913D1 (de) Kraftstofffilter
DE50207394D1 (de) Filterelement
NO20034793D0 (no) Nedihullsfilter
DE60317560D1 (de) Pseudoelliptisches bandpassfilter
DE602004029481D1 (de) Keramikfilter
FR2844116B1 (fr) Filtre passe-bas presentant un gain variable
DE50202522D1 (de) Flexibler Filter
ITMI20020161A1 (it) Filtro attivo
ITMI20031566A1 (it) Filtro attivo.
EP1703636A4 (fr) Filtre fir
DE10352703B4 (de) Filtervorrichtung
EP1659689A4 (fr) Filtre a ondes acoustiques de surface
DE60324719D1 (de) Tiefpassfilter
AT500197B8 (de) Kreiselschwader
FR2838525B1 (fr) Filtre egaliseur de gain dynamique
DE602004001413D1 (de) Abgestimmtes Filter

Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20090430