NL172809B - Elektrisch filter voorzien van spoelen met een gemeenschappelijk kernlichaam en van condensatoren met een gemeenschappelijk dielectricum. - Google Patents

Elektrisch filter voorzien van spoelen met een gemeenschappelijk kernlichaam en van condensatoren met een gemeenschappelijk dielectricum.

Info

Publication number
NL172809B
NL172809B NLAANVRAGE7208495,A NL7208495A NL172809B NL 172809 B NL172809 B NL 172809B NL 7208495 A NL7208495 A NL 7208495A NL 172809 B NL172809 B NL 172809B
Authority
NL
Netherlands
Prior art keywords
common
capacitors
coils
electric filter
filter equipped
Prior art date
Application number
NLAANVRAGE7208495,A
Other languages
English (en)
Other versions
NL7208495A (nl
NL172809C (nl
Original Assignee
Telecommunications 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 Telecommunications Sa filed Critical Telecommunications Sa
Publication of NL7208495A publication Critical patent/NL7208495A/xx
Publication of NL172809B publication Critical patent/NL172809B/nl
Application granted granted Critical
Publication of NL172809C publication Critical patent/NL172809C/nl

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/175—Series LC in series path
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type 
    • H01F17/04—Fixed inductances of the signal type  with magnetic core
    • H01F17/043—Fixed inductances of the signal type  with magnetic core with two, usually identical or nearly identical parts enclosing completely the coil (pot cores)
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/075—Ladder networks, e.g. electric wave filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1775—Parallel LC in shunt or branch path

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
  • Filters And Equalizers (AREA)
  • Coils Or Transformers For Communication (AREA)
NLAANVRAGE7208495,A 1972-02-23 1972-06-21 Elektrisch filter voorzien van spoelen met een gemeenschappelijk kernlichaam en van condensatoren met een gemeenschappelijk dielectricum. NL172809C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7206035A FR2173405A5 (nl) 1972-02-23 1972-02-23

Publications (3)

Publication Number Publication Date
NL7208495A NL7208495A (nl) 1973-08-27
NL172809B true NL172809B (nl) 1983-05-16
NL172809C NL172809C (nl) 1983-10-17

Family

ID=9093966

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7208495,A NL172809C (nl) 1972-02-23 1972-06-21 Elektrisch filter voorzien van spoelen met een gemeenschappelijk kernlichaam en van condensatoren met een gemeenschappelijk dielectricum.

Country Status (7)

Country Link
US (1) US3755762A (nl)
DE (1) DE2255186A1 (nl)
FR (1) FR2173405A5 (nl)
GB (1) GB1348947A (nl)
IT (1) IT956763B (nl)
NL (1) NL172809C (nl)
SU (1) SU462364A3 (nl)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4272741A (en) * 1979-04-09 1981-06-09 Varian Associates Inductive delay line and method of making
US4210483A (en) * 1979-04-09 1980-07-01 Variani Associates, Inc. Apparatus for making an inductive delay line component
US4287492A (en) * 1979-08-24 1981-09-01 Tdk Electronics Co., Ltd. Concentrated constant type delay device
FR2552601B1 (fr) * 1983-09-27 1988-10-14 Thomson Csf Filtre miniature hyperfrequence a resonateurs constitues par des circuits bouchons, couples par des condensateurs
SE449406B (sv) * 1985-08-27 1987-04-27 Ellemtel Utvecklings Ab Forlustbeheftad filteranordning for att undertrycka radiofrekventa storningar pa en tvatradsledning
GB8713699D0 (en) * 1987-06-11 1987-07-15 British Telecomm Optical receiver circuit
JPH0555856A (ja) * 1991-08-22 1993-03-05 Tdk Corp Ｌｃフイルタ
CN110111993A (zh) * 2019-06-03 2019-08-09 四川省正元包装印务有限责任公司 一种滤波器的手工制作方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2141573A (en) * 1934-07-18 1938-12-27 Ferrocart Corp Antenna coupling system
US2855571A (en) * 1955-11-22 1958-10-07 Hazeltine Research Inc Inductance device
US2882403A (en) * 1956-10-25 1959-04-14 Witz Gerhard H De Use of electrically controllable variable inductor for tuning purposes
GB821747A (en) * 1957-05-31 1959-10-14 Standard Telephones Cables Ltd Resonant unit for filters
US3195050A (en) * 1962-12-21 1965-07-13 Philco Corp Electrical apparatus and method of fabricating it

Also Published As

Publication number Publication date
NL7208495A (nl) 1973-08-27
US3755762A (en) 1973-08-28
SU462364A3 (ru) 1975-02-28
GB1348947A (en) 1974-03-27
IT956763B (it) 1973-10-10
NL172809C (nl) 1983-10-17
DE2255186A1 (de) 1973-09-06
FR2173405A5 (nl) 1973-10-05

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Legal Events

Date Code Title Description
BC A request for examination has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed
V1 Lapsed because of non-payment of the annual fee