ZA791627B - A telephone band low-pass filter - Google Patents

A telephone band low-pass filter

Info

Publication number
ZA791627B
ZA791627B ZA791627A ZA791627A ZA791627B ZA 791627 B ZA791627 B ZA 791627B ZA 791627 A ZA791627 A ZA 791627A ZA 791627 A ZA791627 A ZA 791627A ZA 791627 B ZA791627 B ZA 791627B
Authority
ZA
South Africa
Prior art keywords
pass filter
band low
telephone band
telephone
low
Prior art date
Application number
ZA791627A
Other languages
English (en)
Inventor
J Baudin
G Bars
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 ZA791627B publication Critical patent/ZA791627B/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
ZA791627A 1978-04-07 1979-04-05 A telephone band low-pass filter ZA791627B (en)

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
ZA791627B true ZA791627B (en) 1980-04-30

Family

ID=9206879

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA791627A ZA791627B (en) 1978-04-07 1979-04-05 A telephone band low-pass filter

Country Status (15)

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

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
FR2422291B1 (fi) 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
LU81123A1 (fr) 1979-11-07
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

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