IT7967695A0 - LOW PASS FILTER FOR TELEPHONE BAND - Google Patents

LOW PASS FILTER FOR TELEPHONE BAND

Info

Publication number
IT7967695A0
IT7967695A0 IT7967695A IT6769579A IT7967695A0 IT 7967695 A0 IT7967695 A0 IT 7967695A0 IT 7967695 A IT7967695 A IT 7967695A IT 6769579 A IT6769579 A IT 6769579A IT 7967695 A0 IT7967695 A0 IT 7967695A0
Authority
IT
Italy
Prior art keywords
pass filter
low pass
telephone band
telephone
band
Prior art date
Application number
IT7967695A
Other languages
Italian (it)
Other versions
IT1118544B (en
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 IT7967695A0 publication Critical patent/IT7967695A0/en
Application granted granted Critical
Publication of IT1118544B publication Critical patent/IT1118544B/en

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
IT67695/79A 1978-04-07 1979-04-03 LOW PASS FILTER FOR TELEPHONE BAND IT1118544B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7810479A FR2422291A1 (en) 1978-04-07 1978-04-07 LOW PASS FILTER FOR TELEPHONE BAND

Publications (2)

Publication Number Publication Date
IT7967695A0 true IT7967695A0 (en) 1979-04-03
IT1118544B IT1118544B (en) 1986-03-03

Family

ID=9206879

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67695/79A IT1118544B (en) 1978-04-07 1979-04-03 LOW PASS FILTER FOR TELEPHONE BAND

Country Status (15)

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

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 (en) * 2000-07-05 2002-10-24 Infineon Technologies Ag Amplifier circuit with offset compensation
US6552604B2 (en) * 2001-02-16 2003-04-22 The Boeing Company Digitally tuned analog notch filter circuit
RU2677362C1 (en) * 2018-03-14 2019-01-16 федеральное государственное бюджетное образовательное учреждение высшего образования "Донской государственный технический университет" (ДГТУ) Active rc filter
RU2722752C1 (en) * 2019-12-11 2020-06-03 федеральное государственное бюджетное образовательное учреждение высшего образования "Донской государственный технический университет" (ДГТУ) Band-pass filter with independent adjustment of pole frequency, pole attenuation and transmission coefficient

Also Published As

Publication number Publication date
FR2422291A1 (en) 1979-11-02
PL214706A1 (en) 1979-12-17
SE435121B (en) 1984-09-03
LU81123A1 (en) 1979-11-07
IT1118544B (en) 1986-03-03
BE874754A (en) 1979-09-12
FR2422291B1 (en) 1982-03-19
JPS54134952A (en) 1979-10-19
EG14776A (en) 1985-03-31
GB2019146A (en) 1979-10-24
FI72018B (en) 1986-11-28
DE2913135A1 (en) 1979-10-18
ZA791627B (en) 1980-04-30
FI791076A (en) 1979-10-08
AU4584779A (en) 1979-10-11
NL7902568A (en) 1979-10-09
FI72018C (en) 1987-03-09
MX144741A (en) 1981-11-18
SE7903088L (en) 1979-10-08

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950131