JP2011077566A - 積層型バンドパスフィルタ - Google Patents
積層型バンドパスフィルタ Download PDFInfo
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- JP2011077566A JP2011077566A JP2009223676A JP2009223676A JP2011077566A JP 2011077566 A JP2011077566 A JP 2011077566A JP 2009223676 A JP2009223676 A JP 2009223676A JP 2009223676 A JP2009223676 A JP 2009223676A JP 2011077566 A JP2011077566 A JP 2011077566A
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- conductor layer
- capacitor
- coupling
- inductor
- band
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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
- H03H7/17—Structural details of sub-circuits of frequency selective networks
- H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
- H03H7/1791—Combined LC in shunt or branch path
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/201—Filters for transverse electromagnetic waves
- H01P1/203—Strip line filters
- H01P1/20327—Electromagnetic interstage coupling
- H01P1/20336—Comb or interdigital filters
- H01P1/20345—Multilayer filters
-
- 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
- H03H7/0123—Frequency selective two-port networks comprising distributed impedance elements together with lumped impedance elements
-
- 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
- H03H7/1775—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
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Filters And Equalizers (AREA)
Abstract
【解決手段】バンドパスフィルタ1は、隣接する2つの共振器が電磁界結合する3つの共振器4,5,6と、隣接しない2つの共振器4,6を容量性結合させる並列の2つの結合経路7,8を備えている。結合経路7は、直列に接続されたキャパシタ21、インダクタ23およびキャパシタ22を含んでいる。結合経路8は、直列に接続されたキャパシタ24、インダクタ26およびキャパシタ25を含んでいる。結合経路7,8は、バンドパスフィルタ1の通過・減衰特性において、通過帯域よりも低周波側に減衰極を形成する機能を有する。
【選択図】図1
Description
f2=1/2π√(LCP2・CP2/2)=1/π√(2LCP2・CP2) …(2)
Claims (5)
- 積層された複数の誘電体層を含む積層体と、
隣接する2つの共振器が電磁界結合するように前記積層体内に設けられた3つ以上の共振器と、
隣接しない2つの共振器を容量性結合させる並列の複数の結合経路とを備え、
各結合経路は、直列に接続されたキャパシタとインダクタを含むことを特徴とする積層型バンドパスフィルタ。 - 前記3つ以上の共振器および前記複数の結合経路は、前記積層体内に設けられた複数の導体層を用いて構成されていることを特徴とする請求項1記載の積層型バンドパスフィルタ。
- 前記複数の結合経路のそれぞれの共振周波数は互いに異なることを特徴とする請求項1または2記載の積層型バンドパスフィルタ。
- 前記3つ以上の共振器は、いずれも、開放端と短絡端とを有する1/4波長共振器であり、前記複数の結合経路は、前記隣接しない2つの共振器の開放端同士を電気的に接続していることを特徴とする請求項1ないし3のいずれかに記載の積層型バンドパスフィルタ。
- 各結合経路は、2つのキャパシタと、この2つのキャパシタを電気的に接続するインダクタとを含むことを特徴とする請求項1ないし4のいずれかに記載の積層型バンドパスフィルタ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009223676A JP4968305B2 (ja) | 2009-09-29 | 2009-09-29 | 積層型バンドパスフィルタ |
TW099131579A TWI491101B (zh) | 2009-09-29 | 2010-09-17 | 疊層型帶通濾波器 |
US12/890,120 US8378763B2 (en) | 2009-09-29 | 2010-09-24 | Layered bandpass filter |
CN201010298682.0A CN102035492B (zh) | 2009-09-29 | 2010-09-29 | 层叠型带通滤波器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009223676A JP4968305B2 (ja) | 2009-09-29 | 2009-09-29 | 積層型バンドパスフィルタ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011077566A true JP2011077566A (ja) | 2011-04-14 |
JP4968305B2 JP4968305B2 (ja) | 2012-07-04 |
Family
ID=43779657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009223676A Active JP4968305B2 (ja) | 2009-09-29 | 2009-09-29 | 積層型バンドパスフィルタ |
Country Status (4)
Country | Link |
---|---|
US (1) | US8378763B2 (ja) |
JP (1) | JP4968305B2 (ja) |
CN (1) | CN102035492B (ja) |
TW (1) | TWI491101B (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104508978A (zh) * | 2012-08-30 | 2015-04-08 | 株式会社村田制作所 | 滤波器装置以及双工器 |
US9634823B1 (en) | 2015-10-13 | 2017-04-25 | Kumu Networks, Inc. | Systems for integrated self-interference cancellation |
KR102075284B1 (ko) | 2015-12-16 | 2020-02-07 | 쿠무 네트웍스, 아이엔씨. | 시간 지연 필터 |
JP6662150B2 (ja) * | 2016-03-31 | 2020-03-11 | 株式会社村田製作所 | ハイパスフィルタ |
US10256966B2 (en) * | 2016-04-06 | 2019-04-09 | ZTE Canada Inc. | Integrated multiple-input multiple-output multi-band bandpass filter bank |
US9979374B2 (en) | 2016-04-25 | 2018-05-22 | Kumu Networks, Inc. | Integrated delay modules |
US10454444B2 (en) | 2016-04-25 | 2019-10-22 | Kumu Networks, Inc. | Integrated delay modules |
WO2018183384A1 (en) | 2017-03-27 | 2018-10-04 | Kumu Networks, Inc. | Systems and methods for intelligently-tunded digital self-interference cancellation |
CN111771345B (zh) | 2018-02-27 | 2021-08-31 | 库姆网络公司 | 用于可配置混合自干扰消除的系统和方法 |
CN113228503A (zh) * | 2018-12-20 | 2021-08-06 | 阿维科斯公司 | 包括高精度电感器的多层电子装置 |
DE112019006352T5 (de) | 2018-12-20 | 2021-08-26 | Avx Corporation | Mehrschichtfilter, umfassend einen rückführsignalreduzierungsvorsprung |
US10868661B2 (en) | 2019-03-14 | 2020-12-15 | Kumu Networks, Inc. | Systems and methods for efficiently-transformed digital self-interference cancellation |
CN114051694B (zh) * | 2019-07-03 | 2023-01-20 | 株式会社村田制作所 | 高频模块以及通信装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1141004A (ja) * | 1997-07-18 | 1999-02-12 | Taiyo Yuden Co Ltd | 積層型誘電体フィルタ |
JP2001053502A (ja) * | 1999-08-05 | 2001-02-23 | Matsushita Electric Ind Co Ltd | 誘電体積層フィルタ |
JP2006166136A (ja) * | 2004-12-08 | 2006-06-22 | Koa Corp | 積層型バンドパスフィルタ |
JP2008035565A (ja) * | 2007-10-17 | 2008-02-14 | Taiyo Yuden Co Ltd | 積層型誘電体フィルタ |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005026799A (ja) * | 2003-06-30 | 2005-01-27 | Taiyo Yuden Co Ltd | フィルタ回路および積層フィルタ |
JP3911507B2 (ja) | 2004-07-20 | 2007-05-09 | Tdk株式会社 | 積層型誘電体フィルタ |
JP4005990B2 (ja) | 2004-08-09 | 2007-11-14 | Tdk株式会社 | 積層型誘電体フィルタ |
JP4658644B2 (ja) * | 2005-03-10 | 2011-03-23 | 双信電機株式会社 | 遅延線 |
US7667557B2 (en) * | 2005-12-06 | 2010-02-23 | Tdk Corporation | Thin-film bandpass filter using inductor-capacitor resonators |
US7468642B2 (en) * | 2006-12-12 | 2008-12-23 | International Business Machines Corporation | Multi band pass filters |
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2009
- 2009-09-29 JP JP2009223676A patent/JP4968305B2/ja active Active
-
2010
- 2010-09-17 TW TW099131579A patent/TWI491101B/zh active
- 2010-09-24 US US12/890,120 patent/US8378763B2/en active Active
- 2010-09-29 CN CN201010298682.0A patent/CN102035492B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1141004A (ja) * | 1997-07-18 | 1999-02-12 | Taiyo Yuden Co Ltd | 積層型誘電体フィルタ |
JP2001053502A (ja) * | 1999-08-05 | 2001-02-23 | Matsushita Electric Ind Co Ltd | 誘電体積層フィルタ |
JP2006166136A (ja) * | 2004-12-08 | 2006-06-22 | Koa Corp | 積層型バンドパスフィルタ |
JP2008035565A (ja) * | 2007-10-17 | 2008-02-14 | Taiyo Yuden Co Ltd | 積層型誘電体フィルタ |
Also Published As
Publication number | Publication date |
---|---|
US20110074527A1 (en) | 2011-03-31 |
CN102035492A (zh) | 2011-04-27 |
CN102035492B (zh) | 2015-02-18 |
TW201126805A (en) | 2011-08-01 |
US8378763B2 (en) | 2013-02-19 |
TWI491101B (zh) | 2015-07-01 |
JP4968305B2 (ja) | 2012-07-04 |
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