CH212040A - Electric filter. - Google Patents

Electric filter.

Info

Publication number
CH212040A
CH212040A CH212040DA CH212040A CH 212040 A CH212040 A CH 212040A CH 212040D A CH212040D A CH 212040DA CH 212040 A CH212040 A CH 212040A
Authority
CH
Switzerland
Prior art keywords
electric filter
filter
electric
Prior art date
Application number
Other languages
German (de)
Inventor
Gloeilampenfabrieken N Philips
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH212040A publication Critical patent/CH212040A/en

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
    • H03H7/06—Frequency selective two-port networks including resistors
    • 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
    • H03H7/06—Frequency selective two-port networks including resistors
    • H03H7/07—Bridged T-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
    • H03H7/1716—Comprising foot-point elements
    • H03H7/1725—Element to ground being common to different shunt paths, i.e. Y-structure
    • 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
    • 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
    • H03H7/1758—Series LC in shunt or branch path
    • 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
    • H03H7/1766—Parallel LC in series path
    • 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
CH212040D 1938-06-18 1939-06-15 Electric filter. CH212040A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEN42129D DE731675C (en) 1938-06-18 1938-06-18 Electrical filter from one or more T or. ó� cells
DEN42128D DE716057C (en) 1938-06-18 1938-06-18 Electrical filter, composed of one or more T or ó� cells, in which the two series impedances of the T cell (s) are bridged by a bridging resistance or in series with the two shunt impedances of the ó� cell (s) a series resistor is connected

Publications (1)

Publication Number Publication Date
CH212040A true CH212040A (en) 1940-10-31

Family

ID=7348507

Family Applications (1)

Application Number Title Priority Date Filing Date
CH212040D CH212040A (en) 1938-06-18 1939-06-15 Electric filter.

Country Status (5)

Country Link
BE (1) BE434910A (en)
CH (1) CH212040A (en)
DE (2) DE731675C (en)
FR (1) FR856603A (en)
GB (1) GB525603A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4636053A (en) * 1978-02-24 1987-01-13 Canon Kabushiki Kaisha Distance detecting device

Also Published As

Publication number Publication date
FR856603A (en) 1940-07-29
DE731675C (en) 1943-02-12
GB525603A (en) 1940-08-30
DE716057C (en) 1942-01-12
BE434910A (en) 1939-07-08

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