LU81123A1 - Filtre passe-bas pour bande telephonique - Google Patents

Filtre passe-bas pour bande telephonique

Info

Publication number
LU81123A1
LU81123A1 LU81123A LU81123A LU81123A1 LU 81123 A1 LU81123 A1 LU 81123A1 LU 81123 A LU81123 A LU 81123A LU 81123 A LU81123 A LU 81123A LU 81123 A1 LU81123 A1 LU 81123A1
Authority
LU
Luxembourg
Prior art keywords
pass filter
low pass
telephone band
telephone
band
Prior art date
Application number
LU81123A
Other languages
English (en)
French (fr)
Inventor
G Bars
J Baudin
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Publication of LU81123A1 publication Critical patent/LU81123A1/xx

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
    • 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
    • H03H11/1217—Frequency selective two-port networks using amplifiers with feedback using a plurality of operational amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H19/00—Networks using time-varying elements, e.g. N-path filters
LU81123A 1978-04-07 1979-04-05 Filtre passe-bas pour bande telephonique LU81123A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7810479A FR2422291A1 (fr) 1978-04-07 1978-04-07 Filtre passe-bas pour bande telephonique

Publications (1)

Publication Number Publication Date
LU81123A1 true LU81123A1 (fr) 1979-11-07

Family

ID=9206879

Family Applications (1)

Application Number Title Priority Date Filing Date
LU81123A LU81123A1 (fr) 1978-04-07 1979-04-05 Filtre passe-bas pour bande telephonique

Country Status (15)

Country Link
JP (1) JPS54134952A (it)
AU (1) AU4584779A (it)
BE (1) BE874754A (it)
DE (1) DE2913135A1 (it)
EG (1) EG14776A (it)
FI (1) FI72018C (it)
FR (1) FR2422291A1 (it)
GB (1) GB2019146A (it)
IT (1) IT1118544B (it)
LU (1) LU81123A1 (it)
MX (1) MX144741A (it)
NL (1) NL7902568A (it)
PL (1) PL214706A1 (it)
SE (1) SE435121B (it)
ZA (1) ZA791627B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2307626B (en) * 1995-11-24 2000-06-07 Nokia Mobile Phones Ltd A signal receiver
DE10032530C2 (de) * 2000-07-05 2002-10-24 Infineon Technologies Ag Verstärkerschaltung mit Offsetkompensation
US6552604B2 (en) * 2001-02-16 2003-04-22 The Boeing Company Digitally tuned analog notch filter circuit
RU2677362C1 (ru) * 2018-03-14 2019-01-16 федеральное государственное бюджетное образовательное учреждение высшего образования "Донской государственный технический университет" (ДГТУ) Активный rc-фильтр
RU2722752C1 (ru) * 2019-12-11 2020-06-03 федеральное государственное бюджетное образовательное учреждение высшего образования "Донской государственный технический университет" (ДГТУ) Полосовой фильтр с независимой подстройкой частоты полюса, затухания полюса и коэффициента передачи

Also Published As

Publication number Publication date
FR2422291A1 (fr) 1979-11-02
FI72018C (fi) 1987-03-09
ZA791627B (en) 1980-04-30
FR2422291B1 (it) 1982-03-19
NL7902568A (nl) 1979-10-09
JPS54134952A (en) 1979-10-19
FI72018B (fi) 1986-11-28
EG14776A (en) 1985-03-31
IT7967695A0 (it) 1979-04-03
PL214706A1 (pl) 1979-12-17
SE7903088L (sv) 1979-10-08
DE2913135A1 (de) 1979-10-18
SE435121B (sv) 1984-09-03
GB2019146A (en) 1979-10-24
MX144741A (es) 1981-11-18
AU4584779A (en) 1979-10-11
IT1118544B (it) 1986-03-03
FI791076A (fi) 1979-10-08
BE874754A (fr) 1979-09-12

Similar Documents

Publication Publication Date Title
DK374379A (da) Demonterbart filter
IT7948773A0 (it) Filtro
FR2420988B1 (fr) Filtre
AT375560B (de) Filtriervorrichtung
FI790149A (fi) Filtermatta
BE896352A (fr) Filtre pour cigarette,
PL212046A1 (pl) Urzadzenie filtracyjne
DK25879A (da) Kontinuerligt virkende filtersidimentationscentrifuge
DE3172561D1 (de) Non-recursive digital filter
IT1087480B (it) Filtro separatore di polarizzazione di banda larga
TR19941A (tr) Filtre
LU80227A1 (de) Bandfilter
LU81123A1 (fr) Filtre passe-bas pour bande telephonique
DK345780A (da) Induktorloest monolisk krystalfilternetvaerk
GB2032213B (en) Band pass filter
BE858170A (fr) Cassette de filtre pour aspirateur
ATA64778A (de) Filter
SE7907833L (sv) Transversalfilter for digitala signaler
RO87087A (ro) Filtru pentru tigarete
PT71689A (de) Fernsprechbandapparat
DK218979A (da) Filterbaandpresse
BE869775A (fr) Filtre pour cigarette
DK155109C (da) Tilpasningsfilter
SE7907529L (sv) Tonfilter
DD138109A1 (de) Ortsfrequenzfilter