JPS59174716U - noise filter - Google Patents

noise filter

Info

Publication number
JPS59174716U
JPS59174716U JP6797083U JP6797083U JPS59174716U JP S59174716 U JPS59174716 U JP S59174716U JP 6797083 U JP6797083 U JP 6797083U JP 6797083 U JP6797083 U JP 6797083U JP S59174716 U JPS59174716 U JP S59174716U
Authority
JP
Japan
Prior art keywords
noise filter
line
output side
pair
conductive wires
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.)
Granted
Application number
JP6797083U
Other languages
Japanese (ja)
Other versions
JPH0631777Y2 (en
Inventor
幸夫 坂本
杉谷　昌美
秀俊 山本
Original Assignee
株式会社村田製作所
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 株式会社村田製作所 filed Critical 株式会社村田製作所
Priority to JP1983067970U priority Critical patent/JPH0631777Y2/en
Priority to DE19843416786 priority patent/DE3416786A1/en
Publication of JPS59174716U publication Critical patent/JPS59174716U/en
Application granted granted Critical
Publication of JPH0631777Y2 publication Critical patent/JPH0631777Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • 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
    • H03H1/0007—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network of radio frequency interference filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Filters And Equalizers (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は２端子のコンデンサの等価回路図、゛第２図は
４端子コンデンサの回路図、第３図は本考案に係るノイ
ズフィルタの一実施例の斜視図、第４図は第３図のノイ
ズフィルタの等価回路図、第５図はノーマルモードノイ
ズの説明図、第６図はコモンモードノイズの説明図、第
７図は第３図（７）ノイズフィルタの動作説明図、第８
図は第３図のノイズフィルタの変形例の等価回路図、第
９図は第８図のノイズフィルタの基準ラインの出力側に
ビーズを外嵌させたノイズフィルタの動作説明図、第１
０図はノイズフィルタの挿入損失特性図である。 １１・・・積層コンデンサ、１２・・・導線（ホット側
）、１２ａ・・・入力側、１２ｂ・・・出力側、１３・
・・導η（基準ライン側）、１３ａ・・・入力側、１３
ｂ・・・出力側、１４．　１５．　１６・・・ビーズ、
ｎｏ・・・ノーマルモードノイズ、ｎＣ１１ｎｃ２・・
・コモンモードノイズ、Ｃ３・・・貫通コンデンサ、Ｌ
１４．　Ｌ□５＋　”１６・・・インダクタンス。 第６図 １８、 “”４収　ド ア ー　　　　　１ルー　　　　　１　　　　　ｔｔｃｚ第
８図 口４　　　５　　　　１−１５ １６６Figure 1 is an equivalent circuit diagram of a two-terminal capacitor, Figure 2 is a circuit diagram of a four-terminal capacitor, Figure 3 is a perspective view of an embodiment of the noise filter according to the present invention, and Figure 4 is the equivalent circuit diagram of a four-terminal capacitor. Fig. 5 is an explanatory diagram of normal mode noise, Fig. 6 is an explanatory diagram of common mode noise, Fig. 7 is an explanatory diagram of the operation of the noise filter in Fig. 3 (7), Fig. 8 is an explanatory diagram of the noise filter.
The figure is an equivalent circuit diagram of a modification of the noise filter in Figure 3, Figure 9 is an explanatory diagram of the operation of the noise filter in which a bead is fitted on the output side of the reference line of the noise filter in Figure 8, and Figure 1.
Figure 0 is an insertion loss characteristic diagram of the noise filter. DESCRIPTION OF SYMBOLS 11... Multilayer capacitor, 12... Conductor (hot side), 12a... Input side, 12b... Output side, 13...
... Leading η (reference line side), 13a... Input side, 13
b...output side, 14. 15. 16...beads,
no...normal mode noise, nC11nc2...
・Common mode noise, C3...Feedthrough capacitor, L
14. L□5+ ``16...Inductance. Figure 6 18, ``'' 4 Door 1 Lou 1 ttcz Figure 8 Exit 4 5 1-15 166

Claims (3)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）一対の導線の途中にコンデンサの対向電極を夫々
接続してなり、これら一対の導線のうち一方の導線をホ
ットライン、他方の導線を充分インピーダンスの低い回
路に接続される基準ラインとする一方、上記一対の導線
のコンデンサの両電極を通る中心線をはさんで一方の側
を入力側、他側を出力側とするノイズフィルタであって
、ホットラインの上記入力側、出力側および基準ライン
の上記入力側の少くとも一つに磁性体からなる筒形のビ
ーズを外嵌させたことを特徴とするノイズフィルタ。(1) Opposite electrodes of capacitors are connected in the middle of a pair of conductive wires, and one of the pair of conductive wires is used as a hot line, and the other conductive wire is used as a reference line connected to a circuit with sufficiently low impedance. On the other hand, there is a noise filter in which one side is the input side and the other side is the output side across the center line passing through both electrodes of the capacitor of the pair of conductive wires, the input side, the output side and the reference side of the hot line. A noise filter characterized in that a cylindrical bead made of a magnetic material is fitted onto at least one of the input sides of the line. （２）基準ラインの上記入力側にビーズを外嵌させたこ
とを特徴とする実用新案登録請求の範囲第１項記載のノ
イズフィルタ。(2) The noise filter according to claim 1, which is a utility model, characterized in that beads are fitted onto the input side of the reference line. （３）上記ホットラインの出力側に貫通コンデンサを挿
入し、この貫通コンデンサの外部電極を上記基準ライン
の出力側に接続するようにしたことを特徴とする実用新
案登録請求の範囲第１項または第２項記載のノイズフィ
ルタ。(3) A feedthrough capacitor is inserted into the output side of the hot line, and an external electrode of the feedthrough capacitor is connected to the output side of the reference line, as claimed in claim 1 or Noise filter according to item 2.
JP1983067970U 1983-05-06 1983-05-06 Noise filter Expired - Lifetime JPH0631777Y2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1983067970U JPH0631777Y2 (en) 1983-05-06 1983-05-06 Noise filter
DE19843416786 DE3416786A1 (en) 1983-05-06 1984-05-07 Noise filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1983067970U JPH0631777Y2 (en) 1983-05-06 1983-05-06 Noise filter

Publications (2)

Publication Number Publication Date
JPS59174716U true JPS59174716U (en) 1984-11-21
JPH0631777Y2 JPH0631777Y2 (en) 1994-08-22

Family

ID=13360343

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1983067970U Expired - Lifetime JPH0631777Y2 (en) 1983-05-06 1983-05-06 Noise filter

Country Status (2)

Country Link
JP (1) JPH0631777Y2 (en)
DE (1) DE3416786A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014054131A (en) * 2012-09-10 2014-03-20 Murata Mfg Co Ltd Capacitor circuit, dc-dc converter circuit, and dc power-supply device

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6282709A (en) * 1985-10-07 1987-04-16 Murata Mfg Co Ltd Line filter
US4795991A (en) * 1986-01-13 1989-01-03 Murata Manufacturing Co., Ltd. Inlet type noise filter directly mounted to a PC board
JPH0693589B2 (en) * 1989-03-23 1994-11-16 株式会社村田製作所 LC filter
US5812384A (en) * 1996-12-17 1998-09-22 General Electric Company Matrix filters for low-noise power distribution systems
JP2005175880A (en) * 2003-12-11 2005-06-30 Murata Mfg Co Ltd Noise filter
CN100472961C (en) 2003-12-15 2009-03-25 株式会社村田制作所 Noise filter mounting structure
JP3861914B2 (en) 2004-12-28 2006-12-27 株式会社村田製作所 Noise filter
JP2007266804A (en) * 2006-03-28 2007-10-11 Murata Mfg Co Ltd Noise filter
JP2015204527A (en) * 2014-04-14 2015-11-16 矢崎総業株式会社 Noise filter, and wiring harness assembly including the same
JP6489462B2 (en) * 2014-05-12 2019-03-27 パナソニックＩｐマネジメント株式会社 Photoelectric conversion device, signal transmission device
DE102015200717A1 (en) * 2015-01-19 2016-07-21 Efficient Energy Gmbh capacitor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5180039U (en) * 1974-12-19 1976-06-25
JPS5457933U (en) * 1977-09-29 1979-04-21
JPS5476638U (en) * 1977-11-09 1979-05-31

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2921409A1 (en) * 1979-05-26 1980-11-27 Draloric Electronic Electrical filter element construction - using ceramic multiple layer capacitance and vertical ferrite sleeve at each corner with projecting connecting wire

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5180039U (en) * 1974-12-19 1976-06-25
JPS5457933U (en) * 1977-09-29 1979-04-21
JPS5476638U (en) * 1977-11-09 1979-05-31

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014054131A (en) * 2012-09-10 2014-03-20 Murata Mfg Co Ltd Capacitor circuit, dc-dc converter circuit, and dc power-supply device

Also Published As

Publication number Publication date
DE3416786A1 (en) 1984-11-08
JPH0631777Y2 (en) 1994-08-22

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