GB1082011A - Improvements in or relating to arrangements for minimising electrical interference with signal carrying leads - Google Patents

Improvements in or relating to arrangements for minimising electrical interference with signal carrying leads

Info

Publication number
GB1082011A
GB1082011A GB586264A GB586264A GB1082011A GB 1082011 A GB1082011 A GB 1082011A GB 586264 A GB586264 A GB 586264A GB 586264 A GB586264 A GB 586264A GB 1082011 A GB1082011 A GB 1082011A
Authority
GB
United Kingdom
Prior art keywords
coils
capacitor
terminal
series
common mode
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
GB586264A
Inventor
Clifford Clarke
Robert Bertram Donaldson
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.)
BAE Systems Electronics Ltd
Original Assignee
Marconi Co Ltd
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 Marconi Co Ltd filed Critical Marconi Co Ltd
Priority to GB586264A priority Critical patent/GB1082011A/en
Priority to FR5305A priority patent/FR1424380A/en
Publication of GB1082011A publication Critical patent/GB1082011A/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
    • H03H7/42—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns
    • H03H7/425—Balance-balance networks
    • H03H7/427—Common-mode filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H1/00—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
    • H03H2001/0021—Constructional details
    • H03H2001/0042—Wound, ring or feed-through type capacitor
    • 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

Landscapes

  • Transmission And Conversion Of Sensor Element Output (AREA)

Abstract

1,082,011. Preventing inductive disturbance. MARCONI CO. Ltd. Dec. 23, 1964 [Feb. 12, 1964], No. 5862/64. Heading H4R. An arrangement for minimizing common mode interference with the two leads of a circuit carrying a desired signal to be measured or otherwise utilized comprises four coils wound on a common magnetic core, two of the coils being inserted in series one in one and the other in the other of the two leads, the third being connected in series with a capacitor between one lead and a point of fixed potential and the fourth being similarly connected in series with a capacitor between the other lead and a point of fixed potential. As described, input terminals 1, 2 are connected to the signal source. Four substantially identical coils are twisted together and wound on a toroidal core 5 of magnetic tape. Two of the coils are connected together at one end to terminal 1. Of these two coils one is connected to earth at its other end through a capacitor 10 and the other is connected at the corresponding end to terminal 3 connected to an output lead. The other two coils are similarly connected together at one end to terminal 2. One of these two coils is connected to earth at its other end through a capacitor 11 and the other of these two coils is connected at the corresponding end to terminal 4 connected to an output lead. The coils connected to the capacitors 10, 11 present a high impedance to common mode interfering signals and the capacitors 10, 11 are sufficiently large for voltages substantially equal to the common mode interference to be set up across all four coils.
GB586264A 1964-02-12 1964-02-12 Improvements in or relating to arrangements for minimising electrical interference with signal carrying leads Expired GB1082011A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB586264A GB1082011A (en) 1964-02-12 1964-02-12 Improvements in or relating to arrangements for minimising electrical interference with signal carrying leads
FR5305A FR1424380A (en) 1964-02-12 1965-02-12 Device enhancements to minimize electrical interference with wires carrying signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB586264A GB1082011A (en) 1964-02-12 1964-02-12 Improvements in or relating to arrangements for minimising electrical interference with signal carrying leads

Publications (1)

Publication Number Publication Date
GB1082011A true GB1082011A (en) 1967-09-06

Family

ID=9804009

Family Applications (1)

Application Number Title Priority Date Filing Date
GB586264A Expired GB1082011A (en) 1964-02-12 1964-02-12 Improvements in or relating to arrangements for minimising electrical interference with signal carrying leads

Country Status (1)

Country Link
GB (1) GB1082011A (en)

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