JP5890670B2 - フィルタ及び分波器 - Google Patents
フィルタ及び分波器 Download PDFInfo
- Publication number
- JP5890670B2 JP5890670B2 JP2011265988A JP2011265988A JP5890670B2 JP 5890670 B2 JP5890670 B2 JP 5890670B2 JP 2011265988 A JP2011265988 A JP 2011265988A JP 2011265988 A JP2011265988 A JP 2011265988A JP 5890670 B2 JP5890670 B2 JP 5890670B2
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- filter
- acoustic wave
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- resonator
- inductor
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- 239000004020 conductor Substances 0.000 claims description 39
- 239000000758 substrate Substances 0.000 claims description 31
- 230000005540 biological transmission Effects 0.000 claims description 16
- 239000010409 thin film Substances 0.000 claims description 16
- 238000010897 surface acoustic wave method Methods 0.000 claims description 9
- 230000001629 suppression Effects 0.000 description 27
- 230000000052 comparative effect Effects 0.000 description 26
- 239000003990 capacitor Substances 0.000 description 13
- 101100489713 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) GND1 gene Proteins 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 239000010408 film Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 101100489717 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) GND2 gene Proteins 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 101150041689 SLC25A5 gene Proteins 0.000 description 3
- 101150092978 Slc25a4 gene Proteins 0.000 description 3
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 3
- 229910052454 barium strontium titanate Inorganic materials 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 2
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- WSMQKESQZFQMFW-UHFFFAOYSA-N 5-methyl-pyrazole-3-carboxylic acid Chemical compound CC1=CC(C(O)=O)=NN1 WSMQKESQZFQMFW-UHFFFAOYSA-N 0.000 description 1
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
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- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
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- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/05—Holders; Supports
- H03H9/0538—Constructional combinations of supports or holders with electromechanical or other electronic elements
- H03H9/0566—Constructional combinations of supports or holders with electromechanical or other electronic elements for duplexers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
- H03H9/542—Filters comprising resonators of piezoelectric or electrostrictive material including passive elements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
- H03H9/58—Multiple crystal filters
- H03H9/582—Multiple crystal filters implemented with thin-film techniques
- H03H9/583—Multiple crystal filters implemented with thin-film techniques comprising a plurality of piezoelectric layers acoustically coupled
- H03H9/584—Coupled Resonator Filters [CFR]
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6423—Means for obtaining a particular transfer characteristic
- H03H9/6433—Coupled resonator filters
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Description
42 第1誘電体層
44 第2誘電体層
46 第3誘電体層
50 第1導体層
52 第2導体層
54 第3導体層
56 第4導体層
100、200 フィルタ
300 分波器
F1、F2 DMSフィルタ
F3 受信フィルタ
F4 送信フィルタ
GND1〜GND12 接地端子
In 入力端子
Out 出力端子
R 共振器
Rx 受信端子
Tx 送信端子
L3、L4 インダクタ
Claims (7)
- 入力端子と出力端子との間に接続された多重モード結合型弾性波フィルタと、
前記多重モード結合型弾性波フィルタと第1の接地端子との間に接続された第1インダクタと、
前記入力端子又は前記出力端子と前記多重モード結合型弾性波フィルタとの間に一端が接続された弾性波共振器と、
前記弾性波共振器の他端と第2の接地端子との間に接続された第2インダクタと、を具備し、
前記第1インダクタは、前記多重モード結合型弾性波フィルタの通過帯域の高周波側に第1減衰極を形成し、前記弾性波共振器と前記第2インダクタとは、前記第1減衰極の高周波側に第2減衰極を形成することを特徴とするフィルタ。 - 複数の誘電体層及び複数の導体層を含む積層基板を具備し、
前記多重モード結合型弾性波フィルタ及び前記弾性波共振器は前記積層基板上にフリップチップ実装され、
前記第1インダクタ及び前記第2インダクタは前記導体層により形成されることを特徴とする請求項1記載のフィルタ。 - 前記第1の接地端子および前記第2の接地端子は、前記複数の導体層のうち、前記多重モード結合型弾性波フィルタ及び前記弾性波共振器が搭載される導体層以外の導体層に設けられていることを特徴とする請求項2記載のフィルタ。
- 前記多重モード結合型弾性波フィルタは多重モード結合型弾性表面波フィルタであることを特徴とする請求項1から3いずれか一項記載のフィルタ。
- 前記多重モード結合型弾性波フィルタは結合型圧電薄膜共振器フィルタであることを特徴とする請求項1から3いずれか一項記載のフィルタ。
- 前記多重モード結合型弾性波フィルタは、前記入力端子と前記出力端子との間において並列接続された複数の弾性波フィルタを含むことを特徴とする請求項1から5いずれか一項記載のフィルタ。
- 共通端子と受信端子との間に接続された受信フィルタと、
前記共通端子と送信端子との間に接続された送信フィルタと、を具備し、
前記受信フィルタは請求項1から6いずれか一項記載のフィルタであることを特徴とする分波器。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011265988A JP5890670B2 (ja) | 2011-12-05 | 2011-12-05 | フィルタ及び分波器 |
SG2012078176A SG190513A1 (en) | 2011-12-05 | 2012-10-19 | Filter and duplexer |
US13/666,512 US8988162B2 (en) | 2011-12-05 | 2012-11-01 | Filter and duplexer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011265988A JP5890670B2 (ja) | 2011-12-05 | 2011-12-05 | フィルタ及び分波器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013118584A JP2013118584A (ja) | 2013-06-13 |
JP5890670B2 true JP5890670B2 (ja) | 2016-03-22 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011265988A Active JP5890670B2 (ja) | 2011-12-05 | 2011-12-05 | フィルタ及び分波器 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8988162B2 (ja) |
JP (1) | JP5890670B2 (ja) |
SG (1) | SG190513A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6956716B2 (ja) * | 2015-11-13 | 2021-11-02 | アイキューイー ピーエルシーIQE plc | 希土類酸化物およびエピタキシャル窒化アルミニウムを用いて加工されるrfフィルタのための層構造 |
US11495670B2 (en) | 2016-09-22 | 2022-11-08 | Iqe Plc | Integrated epitaxial metal electrodes |
JP6642385B2 (ja) * | 2016-11-17 | 2020-02-05 | 株式会社村田製作所 | 弾性表面波フィルタ |
CN112134541B (zh) * | 2020-09-24 | 2024-06-04 | 成都频岢微电子有限公司 | 一种新型宽带声表滤波器 |
CN112994643B (zh) * | 2021-05-18 | 2022-04-19 | 成都频岢微电子有限公司 | 一种高隔离度及防进胶saw双工器 |
TWI778766B (zh) * | 2021-08-27 | 2022-09-21 | 立積電子股份有限公司 | 濾波器積體電路 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3379775B2 (ja) * | 1992-11-17 | 2003-02-24 | 富士通株式会社 | 弾性表面波フィルタ |
JP3191473B2 (ja) | 1993-03-09 | 2001-07-23 | 三菱電機株式会社 | 弾性表面波フィルタ |
JP3148471B2 (ja) * | 1993-07-16 | 2001-03-19 | 株式会社日立製作所 | 分波器およびこれを用いた移動無線機 |
JP3227645B2 (ja) | 1996-09-17 | 2001-11-12 | 株式会社村田製作所 | 弾性表面波装置 |
JP2001230657A (ja) | 2000-02-16 | 2001-08-24 | Matsushita Electric Ind Co Ltd | 弾性表面波フィルタ |
DE10317969B4 (de) * | 2003-04-17 | 2005-06-16 | Epcos Ag | Duplexer mit erweiterter Funktionalität |
DE102004031397A1 (de) * | 2004-06-29 | 2006-01-26 | Epcos Ag | Duplexer |
JP5073355B2 (ja) * | 2007-04-20 | 2012-11-14 | 太陽誘電株式会社 | アンテナ分波器 |
WO2009082012A1 (ja) * | 2007-12-26 | 2009-07-02 | Kyocera Corporation | フィルタおよび通信装置 |
JP4816710B2 (ja) * | 2008-10-30 | 2011-11-16 | 株式会社村田製作所 | 分波器 |
KR101232242B1 (ko) * | 2008-11-04 | 2013-02-12 | 가부시키가이샤 무라타 세이사쿠쇼 | 탄성파 필터장치 및 그것을 포함하는 모듈 |
JP5338912B2 (ja) * | 2009-09-30 | 2013-11-13 | 株式会社村田製作所 | 弾性波フィルタ装置及びそれを備える分波器 |
-
2011
- 2011-12-05 JP JP2011265988A patent/JP5890670B2/ja active Active
-
2012
- 2012-10-19 SG SG2012078176A patent/SG190513A1/en unknown
- 2012-11-01 US US13/666,512 patent/US8988162B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP2013118584A (ja) | 2013-06-13 |
SG190513A1 (en) | 2013-06-28 |
US8988162B2 (en) | 2015-03-24 |
US20130141185A1 (en) | 2013-06-06 |
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