JP7553470B2 - 回路装置、およびフィルタ回路 - Google Patents

回路装置、およびフィルタ回路 Download PDF

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Publication number
JP7553470B2
JP7553470B2 JP2021563795A JP2021563795A JP7553470B2 JP 7553470 B2 JP7553470 B2 JP 7553470B2 JP 2021563795 A JP2021563795 A JP 2021563795A JP 2021563795 A JP2021563795 A JP 2021563795A JP 7553470 B2 JP7553470 B2 JP 7553470B2
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JP
Japan
Prior art keywords
coil
coil component
wiring
circuit device
electrode
Prior art date
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Active
Application number
JP2021563795A
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English (en)
Japanese (ja)
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JPWO2021117393A5 (https=
JPWO2021117393A1 (https=
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
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 Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Publication of JPWO2021117393A1 publication Critical patent/JPWO2021117393A1/ja
Publication of JPWO2021117393A5 publication Critical patent/JPWO2021117393A5/ja
Application granted granted Critical
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type
    • H01F17/04—Fixed inductances of the signal type with magnetic core
    • H01F17/045—Fixed inductances of the signal type with magnetic core with core of cylindric geometry and coil wound along its longitudinal axis, i.e. rod or drum core
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F19/00—Fixed transformers or mutual inductances of the signal type
    • H01F19/04—Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range
    • 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
    • H01F27/2804—Printed windings
    • 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
    • H01F27/2823—Wires
    • 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
    • H03H7/0115—Frequency selective two-port networks comprising only inductors and capacitors
    • 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
    • H03H7/09—Filters comprising mutual inductance
    • 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
    • H03H7/1758—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
    • H01F17/04—Fixed inductances of the signal type with magnetic core
    • H01F17/045—Fixed inductances of the signal type with magnetic core with core of cylindric geometry and coil wound along its longitudinal axis, i.e. rod or drum core
    • H01F2017/046—Fixed inductances of the signal type with magnetic core with core of cylindric geometry and coil wound along its longitudinal axis, i.e. rod or drum core helical coil made of flat wire, e.g. with smaller extension of wire cross section in the direction of the longitudinal axis
    • 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
    • H01F27/2804—Printed windings
    • H01F2027/2809—Printed windings on stacked layers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Multimedia (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Filters And Equalizers (AREA)
JP2021563795A 2019-12-13 2020-11-09 回路装置、およびフィルタ回路 Active JP7553470B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019225302 2019-12-13
JP2019225302 2019-12-13
PCT/JP2020/041687 WO2021117393A1 (ja) 2019-12-13 2020-11-09 回路装置、およびフィルタ回路

Publications (3)

Publication Number Publication Date
JPWO2021117393A1 JPWO2021117393A1 (https=) 2021-06-17
JPWO2021117393A5 JPWO2021117393A5 (https=) 2022-04-20
JP7553470B2 true JP7553470B2 (ja) 2024-09-18

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021563795A Active JP7553470B2 (ja) 2019-12-13 2020-11-09 回路装置、およびフィルタ回路

Country Status (4)

Country Link
US (1) US12040768B2 (https=)
JP (1) JP7553470B2 (https=)
CN (1) CN217216514U (https=)
WO (1) WO2021117393A1 (https=)

Families Citing this family (2)

* 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
WO2024166971A1 (ja) * 2023-02-09 2024-08-15 株式会社村田製作所 回路装置、および回路基板

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008167157A (ja) 2006-12-28 2008-07-17 Toko Inc ハイパスフィルタ
WO2009011400A1 (ja) 2007-07-17 2009-01-22 Murata Manufacturing Co., Ltd. 無線ｉｃデバイス及び電子機器
JP2010135602A (ja) 2008-12-05 2010-06-17 Murata Mfg Co Ltd ノイズ対策部品及びその接続構造

Family Cites Families (3)

* 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
JP6451689B2 (ja) * 2016-05-06 2019-01-16 株式会社村田製作所 高周波ノイズ対策回路
JP6493631B2 (ja) * 2016-10-07 2019-04-03 株式会社村田製作所 フィルタ

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008167157A (ja) 2006-12-28 2008-07-17 Toko Inc ハイパスフィルタ
WO2009011400A1 (ja) 2007-07-17 2009-01-22 Murata Manufacturing Co., Ltd. 無線ｉｃデバイス及び電子機器
JP2010135602A (ja) 2008-12-05 2010-06-17 Murata Mfg Co Ltd ノイズ対策部品及びその接続構造

Also Published As

Publication number Publication date
US20220231653A1 (en) 2022-07-21
CN217216514U (zh) 2022-08-16
WO2021117393A1 (ja) 2021-06-17
US12040768B2 (en) 2024-07-16
JPWO2021117393A1 (https=) 2021-06-17

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