JP7318815B2 - フィルタ回路および、これを含む電源装置 - Google Patents

フィルタ回路および、これを含む電源装置 Download PDF

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Publication number
JP7318815B2
JP7318815B2 JP2022536291A JP2022536291A JP7318815B2 JP 7318815 B2 JP7318815 B2 JP 7318815B2 JP 2022536291 A JP2022536291 A JP 2022536291A JP 2022536291 A JP2022536291 A JP 2022536291A JP 7318815 B2 JP7318815 B2 JP 7318815B2
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JP
Japan
Prior art keywords
coil
coil conductor
filter circuit
inductor
power supply
Prior art date
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Active
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JP2022536291A
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English (en)
Japanese (ja)
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JPWO2022014432A1 (enExample
JPWO2022014432A5 (enExample
Inventor
淳 東條
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
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Publication date
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Publication of JPWO2022014432A1 publication Critical patent/JPWO2022014432A1/ja
Publication of JPWO2022014432A5 publication Critical patent/JPWO2022014432A5/ja
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    • 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
    • H03H7/09—Filters comprising mutual inductance
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type
    • H01F17/0006—Printed inductances
    • H01F17/0013—Printed inductances with stacked layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/29—Terminals; Tapping arrangements for signal inductances
    • H01F27/292—Surface mounted devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F5/04—Arrangements of electric connections to coils, e.g. leads
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/01—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for shielding from electromagnetic fields, i.e. structural association with shields
    • 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
    • H03H7/0138—Electrical filters or coupling circuits
    • 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
    • H03H7/1708—Comprising bridging elements, i.e. elements in a series path without own reference to ground and spanning branching nodes of another 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
    • H03H7/175—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
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type
    • H01F17/0006—Printed inductances
    • H01F17/0013—Printed inductances with stacked layers
    • H01F2017/0026—Multilayer LC-filter
    • 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
    • H03H2001/0085—Multilayer, e.g. LTCC, HTCC, green sheets

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Filters And Equalizers (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Coils Of Transformers For General Uses (AREA)
JP2022536291A 2020-07-13 2021-07-07 フィルタ回路および、これを含む電源装置 Active JP7318815B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020120127 2020-07-13
JP2020120127 2020-07-13
PCT/JP2021/025589 WO2022014432A1 (ja) 2020-07-13 2021-07-07 フィルタ回路および、これを含む電源装置

Publications (3)

Publication Number Publication Date
JPWO2022014432A1 JPWO2022014432A1 (enExample) 2022-01-20
JPWO2022014432A5 JPWO2022014432A5 (enExample) 2022-11-30
JP7318815B2 true JP7318815B2 (ja) 2023-08-01

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022536291A Active JP7318815B2 (ja) 2020-07-13 2021-07-07 フィルタ回路および、これを含む電源装置

Country Status (5)

Country Link
US (1) US12301197B2 (enExample)
JP (1) JP7318815B2 (enExample)
CN (1) CN219164535U (enExample)
DE (1) DE212021000381U1 (enExample)
WO (1) WO2022014432A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102335426B1 (ko) * 2020-01-07 2021-12-06 삼성전기주식회사 코일 부품
JP7673872B2 (ja) * 2022-04-28 2025-05-09 株式会社村田製作所 回路装置、およびフィルタ回路
JPWO2024075624A1 (enExample) * 2022-10-03 2024-04-11
JPWO2024172015A1 (enExample) * 2023-02-16 2024-08-22

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005217839A (ja) 2004-01-30 2005-08-11 Tdk Corp ノイズ抑制回路
JP2019220876A (ja) 2018-06-21 2019-12-26 株式会社デンソー ブラシレスモータ制御装置
WO2020121592A1 (ja) 2018-12-10 2020-06-18 株式会社村田製作所 コイル部品および、これを含むフィルタ回路

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001160728A (ja) 1999-09-21 2001-06-12 Murata Mfg Co Ltd Ｌｃフィルタ
CN1161880C (zh) 1999-09-21 2004-08-11 株式会社村田制作所 电感电容滤波器
US6788169B1 (en) * 1999-12-29 2004-09-07 Broadband Royalty Corporation Amplifier composite triple beat (CTB) reduction by phase filtering
CN206472116U (zh) * 2013-11-05 2017-09-05 株式会社村田制作所 层叠型线圈及通信终端装置
JP5874718B2 (ja) * 2013-12-06 2016-03-02 株式会社村田製作所 周波数可変共振回路および周波数可変フィルタ
JP6195033B2 (ja) * 2015-03-11 2017-09-13 株式会社村田製作所 インピーダンス変換素子および通信装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005217839A (ja) 2004-01-30 2005-08-11 Tdk Corp ノイズ抑制回路
JP2019220876A (ja) 2018-06-21 2019-12-26 株式会社デンソー ブラシレスモータ制御装置
WO2020121592A1 (ja) 2018-12-10 2020-06-18 株式会社村田製作所 コイル部品および、これを含むフィルタ回路

Also Published As

Publication number Publication date
DE212021000381U1 (de) 2023-01-19
CN219164535U (zh) 2023-06-09
US20230071624A1 (en) 2023-03-09
US12301197B2 (en) 2025-05-13
JPWO2022014432A1 (enExample) 2022-01-20
WO2022014432A1 (ja) 2022-01-20

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