JP2021129274A - 積層型フィルタ - Google Patents
積層型フィルタ Download PDFInfo
- Publication number
- JP2021129274A JP2021129274A JP2020024560A JP2020024560A JP2021129274A JP 2021129274 A JP2021129274 A JP 2021129274A JP 2020024560 A JP2020024560 A JP 2020024560A JP 2020024560 A JP2020024560 A JP 2020024560A JP 2021129274 A JP2021129274 A JP 2021129274A
- Authority
- JP
- Japan
- Prior art keywords
- conductor
- inductor
- parallel resonance
- hole conductor
- electrode
- 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
Links
- 239000004020 conductor Substances 0.000 claims abstract description 431
- 239000003990 capacitor Substances 0.000 claims description 49
- 239000012212 insulator Substances 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 2
- 101100074846 Caenorhabditis elegans lin-2 gene Proteins 0.000 abstract description 15
- 101100497386 Mus musculus Cask gene Proteins 0.000 abstract description 15
- 239000010410 layer Substances 0.000 description 58
- 230000008878 coupling Effects 0.000 description 9
- 238000010168 coupling process Methods 0.000 description 9
- 238000005859 coupling reaction Methods 0.000 description 9
- 238000007747 plating Methods 0.000 description 8
- 239000000843 powder Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910052763 palladium Inorganic materials 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Images
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
- H03H7/0115—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
- H03H7/12—Bandpass or bandstop filters with adjustable bandwidth and fixed centre frequency
-
- 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
-
- 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
- H03H7/1766—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
-
- 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
- H03H7/1783—Combined LC in series path
-
- 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)
- Filters And Equalizers (AREA)
- Coils Or Transformers For Communication (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
【解決手段】積層型フィルタは、第1LC並列共振部RP1と、第2LC並列共振部RP2と、第1LC直列共振部(LC回路部)RS1と、第2LC直列共振部(LC回路部)RS2と、を有する。LC回路部は、第1ポートPort1と第2ポートPort2との間の経路において、第1LC並列共振部RP1と第2LC並列共振部RP2との間に接続されている。第1LC並列共振部RP1の第1インダクタLin1を構成する導体パターンと、第2LC並列共振部RP2の第2インダクタLin2を構成する導体パターンとの間には、LC回路部のインダクタを構成する導体パターンは配置されておらず、第1LC並列共振部RP1の第1インダクタLin1と第2LC並列共振部RP2の第2インダクタLin2とが磁気結合している。
【選択図】図3
Description
Claims (4)
- 複数の絶縁体層が積層されて形成されている素体と、
前記素体の外表面に配置されている第1端子及び第2端子と、を備え、
前記素体内には、
第1インダクタと第1キャパシタとが並列に接続されて構成されている第1LC並列共振部と、
第2インダクタと第2キャパシタとが並列に接続されて構成されている第2LC並列共振部と、
インダクタ及びキャパシタを含んで構成されているLC回路部と、が構成されており、
前記LC回路部は、前記第1端子と前記第2端子との間の経路において、前記第1LC並列共振部と前記第2LC並列共振部との間に接続されており、
前記素体内において、前記第1LC並列共振部の前記第1インダクタを構成する導体パターンと、前記第2LC並列共振部の前記第2インダクタを構成する導体パターンと、の間には、前記LC回路部の前記インダクタを構成する導体パターンは配置されておらず、
前記第1LC並列共振部の前記第1インダクタと前記第2LC並列共振部の前記第2インダクタとが磁気結合している、積層型フィルタ。 - 前記LC回路部は、
第3インダクタと第3キャパシタとが直列に接続されて構成されている第1LC直列共振部と、
第4インダクタと第4キャパシタとが直列に接続されて構成されている第2LC直列共振部と、を含んで構成されており、
前記素体内において、前記第1LC直列共振部及び前記第2LC直列共振部は、前記第1LC並列共振部及び前記第2LC並列共振部を間に挟む位置に配置され、前記第1LC並列共振部及び前記第2LC並列共振部よりも外側に離間して配置されている、請求項1に記載の積層型フィルタ。 - 前記第1インダクタ、前記第2インダクタ、前記第3インダクタ及び前記第4インダクタのそれぞれは、導体パターン及びスルーホール導体で構成されている、請求項2に記載の積層型フィルタ。
- 前記第1LC並列共振部、前記第2LC並列共振部及び前記LC回路部を含んで構成されているバンドパスフィルタを有するマルチプレクサである、請求項1〜3のいずれか一項に記載の積層型フィルタ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020024560A JP7489199B2 (ja) | 2020-02-17 | 2020-02-17 | 積層型フィルタ |
CN202110168339.2A CN113271079A (zh) | 2020-02-17 | 2021-02-07 | 层叠型滤波器 |
TW110104983A TWI764567B (zh) | 2020-02-17 | 2021-02-09 | 積層型濾波器 |
US17/176,607 US11356073B2 (en) | 2020-02-17 | 2021-02-16 | Multilayer filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020024560A JP7489199B2 (ja) | 2020-02-17 | 2020-02-17 | 積層型フィルタ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021129274A true JP2021129274A (ja) | 2021-09-02 |
JP7489199B2 JP7489199B2 (ja) | 2024-05-23 |
Family
ID=77228068
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020024560A Active JP7489199B2 (ja) | 2020-02-17 | 2020-02-17 | 積層型フィルタ |
Country Status (4)
Country | Link |
---|---|
US (1) | US11356073B2 (ja) |
JP (1) | JP7489199B2 (ja) |
CN (1) | CN113271079A (ja) |
TW (1) | TWI764567B (ja) |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008005182A (ja) | 2006-06-22 | 2008-01-10 | Nec Electronics Corp | バンドパスフィルタ回路 |
JP4530181B2 (ja) * | 2008-01-29 | 2010-08-25 | Tdk株式会社 | 積層型ローパスフィルタ |
JP2011147090A (ja) | 2010-01-18 | 2011-07-28 | Ngk Spark Plug Co Ltd | 積層型マルチプレクサ、積層型トリプレクサ及びフィルタ回路 |
WO2012077498A1 (ja) | 2010-12-06 | 2012-06-14 | 株式会社村田製作所 | 積層帯域通過フィルタ |
WO2013192133A1 (en) * | 2012-06-18 | 2013-12-27 | Thomson Licensing | Apparatus and method for filtering signals in a receiver |
JP5907124B2 (ja) * | 2013-07-24 | 2016-04-20 | 株式会社村田製作所 | 高周波部品およびフィルタ部品 |
CN107408932B (zh) * | 2015-03-25 | 2020-12-22 | 株式会社村田制作所 | 双工器 |
JP6380321B2 (ja) * | 2015-09-29 | 2018-08-29 | 株式会社村田製作所 | Lc並列共振器および積層帯域通過フィルタ |
JP6693080B2 (ja) | 2015-10-19 | 2020-05-13 | Tdk株式会社 | 積層型フィルタ |
WO2018083936A1 (ja) * | 2016-11-07 | 2018-05-11 | 株式会社村田製作所 | 積層型lcフィルタ |
CN215871340U (zh) | 2017-11-30 | 2022-02-18 | 株式会社村田制作所 | 滤波器电路以及合分波器 |
JP6791107B2 (ja) * | 2017-12-08 | 2020-11-25 | 株式会社村田製作所 | 積層帯域通過フィルタ |
-
2020
- 2020-02-17 JP JP2020024560A patent/JP7489199B2/ja active Active
-
2021
- 2021-02-07 CN CN202110168339.2A patent/CN113271079A/zh active Pending
- 2021-02-09 TW TW110104983A patent/TWI764567B/zh active
- 2021-02-16 US US17/176,607 patent/US11356073B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20210257984A1 (en) | 2021-08-19 |
US11356073B2 (en) | 2022-06-07 |
JP7489199B2 (ja) | 2024-05-23 |
TWI764567B (zh) | 2022-05-11 |
CN113271079A (zh) | 2021-08-17 |
TW202139595A (zh) | 2021-10-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6183456B2 (ja) | 高周波モジュール | |
JP5817795B2 (ja) | 高周波モジュール | |
JP6249020B2 (ja) | 高周波モジュール | |
JP4579198B2 (ja) | 多層帯域通過フィルタ | |
JP4844646B2 (ja) | 共振器およびフィルタ | |
JP6074653B2 (ja) | コモンモードノイズフィルタ | |
JP6406266B2 (ja) | 高周波モジュール | |
US5777533A (en) | LC filter with external electrodes only on a smaller layer | |
KR101060870B1 (ko) | 적층형 필터 | |
KR100503956B1 (ko) | Lc 필터 회로, 적층형 lc 복합부품, 멀티플렉서 및무선 통신 장치 | |
JP5961813B2 (ja) | コモンモードノイズフィルタ | |
US10418963B2 (en) | Multilayer filter | |
CN101278435B (zh) | 无源部件 | |
CN109216837B (zh) | 层叠型电子部件 | |
US7099645B2 (en) | Multilayer LC filter | |
CN107026630B (zh) | 层叠型滤波器 | |
JP2021129274A (ja) | 積層型フィルタ | |
KR101114091B1 (ko) | 적층 여파기 | |
JP5637150B2 (ja) | 積層型バンドパスフィルタ | |
JP4012923B2 (ja) | 受動部品 | |
US7760485B1 (en) | Low loss and high frequency lumped capacitor | |
JP2008035565A (ja) | 積層型誘電体フィルタ | |
JPWO2006085465A1 (ja) | Lcフィルタ複合モジュール | |
JP2004320556A (ja) | 受動部品 | |
JP2003332806A (ja) | 積層型誘電体フィルタ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20221201 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20231004 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20231010 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20231127 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20240116 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20240311 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20240507 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20240513 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7489199 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |