GB525603A - Improvements in or relating to electric wave filters - Google Patents

Improvements in or relating to electric wave filters

Info

Publication number
GB525603A
GB525603A GB1744039A GB1744039A GB525603A GB 525603 A GB525603 A GB 525603A GB 1744039 A GB1744039 A GB 1744039A GB 1744039 A GB1744039 A GB 1744039A GB 525603 A GB525603 A GB 525603A
Authority
GB
United Kingdom
Prior art keywords
resistance
section
series
relating
electric wave
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB1744039A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philips Lamps Ltd
Koninklijke Philips NV
Original Assignee
Philips Lamps Ltd
Philips Gloeilampenfabrieken 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 Lamps Ltd, Philips Gloeilampenfabrieken NV filed Critical Philips Lamps Ltd
Publication of GB525603A publication Critical patent/GB525603A/en
Expired legal-status Critical Current

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

Landscapes

  • Filters And Equalizers (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
GB1744039A 1938-06-18 1939-06-14 Improvements in or relating to electric wave filters Expired GB525603A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEN42128D DE716057C (de) 1938-06-18 1938-06-18 Elektrisches Filter, zusammengestellt aus einer oder mehreren T- bzw. ó�-Zellen, in welchem die beiden Reihenimpedanzen der T-Zelle (n) durch einen UEberbrueckungswiderstand ueberbrueckt sind bzw. in Reihe mit den beiden Nebenschlussimpedanzen der ó�-Zelle(n) ein Reihenwiderstand geschaltet ist
DEN42129D DE731675C (de) 1938-06-18 1938-06-18 Elektrisches Filter aus einer oder mehreren T-bzw. ó�-Zellen

Publications (1)

Publication Number Publication Date
GB525603A true GB525603A (en) 1940-08-30

Family

ID=7348507

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1744039A Expired GB525603A (en) 1938-06-18 1939-06-14 Improvements in or relating to electric wave filters

Country Status (5)

Country Link
BE (1) BE434910A (en:Method)
CH (1) CH212040A (en:Method)
DE (2) DE716057C (en:Method)
FR (1) FR856603A (en:Method)
GB (1) GB525603A (en:Method)

Cited By (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

Cited By (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
DE716057C (de) 1942-01-12
BE434910A (en:Method) 1939-07-08
DE731675C (de) 1943-02-12
FR856603A (fr) 1940-07-29
CH212040A (de) 1940-10-31

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