CN102498665B - 用于级联不同材料的滤波器的设备和方法 - Google Patents
用于级联不同材料的滤波器的设备和方法 Download PDFInfo
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- CN102498665B CN102498665B CN201080026686.1A CN201080026686A CN102498665B CN 102498665 B CN102498665 B CN 102498665B CN 201080026686 A CN201080026686 A CN 201080026686A CN 102498665 B CN102498665 B CN 102498665B
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- 239000000463 material Substances 0.000 title claims abstract description 209
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 230000004044 response Effects 0.000 claims description 156
- 230000007704 transition Effects 0.000 claims description 75
- 230000008878 coupling Effects 0.000 claims description 63
- 238000010168 coupling process Methods 0.000 claims description 63
- 238000005859 coupling reaction Methods 0.000 claims description 63
- 238000010897 surface acoustic wave method Methods 0.000 claims description 59
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 46
- 238000005516 engineering process Methods 0.000 claims description 41
- 229910013641 LiNbO 3 Inorganic materials 0.000 claims description 24
- 239000010432 diamond Substances 0.000 claims description 22
- 229910003460 diamond Inorganic materials 0.000 claims description 22
- 238000005538 encapsulation Methods 0.000 claims description 17
- 239000010453 quartz Substances 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 13
- 238000003379 elimination reaction Methods 0.000 claims description 11
- 230000013011 mating Effects 0.000 claims description 7
- 239000010409 thin film Substances 0.000 claims description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 39
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 29
- 229910017083 AlN Inorganic materials 0.000 description 28
- 238000013461 design Methods 0.000 description 26
- 239000011787 zinc oxide Substances 0.000 description 19
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 239000010408 film Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000005094 computer simulation Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
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
- H03H9/0504—Holders; Supports for bulk acoustic wave devices
- H03H9/0514—Holders; Supports for bulk acoustic wave devices consisting of mounting pads or bumps
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/12—Neutralising, balancing, or compensation arrangements
- H04B1/123—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means
-
- 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
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
-
- 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
- H03H9/0504—Holders; Supports for bulk acoustic wave devices
- H03H9/0533—Holders; Supports for bulk acoustic wave devices consisting of wire
-
- 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
- H03H9/058—Holders; Supports for surface acoustic wave devices
- H03H9/059—Holders; Supports for surface acoustic wave devices consisting of mounting pads or bumps
-
- 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
-
- 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
- H03H9/547—Notch filters, e.g. notch BAW or thin film resonator filters
-
- 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
- H03H9/6406—Filters characterised by a particular frequency characteristic
- H03H9/6409—SAW notch filters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Filters And Equalizers (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Abstract
Description
材料名称 | 滤波器类型 | 速率(m/s) | 耦合系数(K2)(%) | 在室温的温度系数(ppm/℃) |
ST-石英 | SAW | 3150 | 0.12 | 0 |
LST-石英 | SAW | 3948 | 0.11 | 0 |
STW-石英 | SAW | 3700至5040 | 0.17至0.34 | 0 |
48.5Y-26.7X Langasite | SAW | 2735 | 0.31 | 1.1 |
SiO2/ZnO/金刚石 | SAW | 10,000 | 1.2 | 0 |
SiO2/AlN/金刚石 | SAW | 11,000 | 0.65 | 0 |
45X-Z Li2B4O7 | SAW | 3440 | 1 | 0 |
(-15)Y-75X Li2B4O7 | SAW | 4120 | 1.6 | 1.5 |
(-42.7)Y-90X Li2B4O7 | SAW | 6700 | 2 | 6.5 |
X-112Y LiTaO3 | SAW | 3288 | 0.64 | -18 |
Y-Z LiTaO3 | SAW | 3230 | 0.66 | -35 |
36至42Y-X LiTaO3 | SAW | 4200 | 4.7 | -45 |
128Y-X LiNbO3 | SAW | 3992 | 5.5 | -74 |
Y-Z LiNbO3 | SAW | 3488 | 4.9 | -84 |
41Y-X LiNbO3 | SAW | 4792 | 17.2 | -78 |
64Y-X LiNbO3 | SAW | 4742 | 11.3 | -79 |
ZnO | FBAR | 6080 | 8.5 | -60 |
AlN | FBAR | 11300 | 6.5 | -25 |
ZnO | BAW | 6080 | 7.5 | -48 |
AlN | BAW | 11300 | 6 | -22 |
Claims (19)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/424068 | 2009-04-15 | ||
US12/424,068 US8018304B2 (en) | 2009-04-15 | 2009-04-15 | Device and method for cascading filters of different materials |
PCT/CA2010/000542 WO2010118512A1 (en) | 2009-04-15 | 2010-04-13 | A device and method for cascading filters of different materials |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102498665A CN102498665A (zh) | 2012-06-13 |
CN102498665B true CN102498665B (zh) | 2014-08-06 |
Family
ID=42980567
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201080026686.1A Active CN102498665B (zh) | 2009-04-15 | 2010-04-13 | 用于级联不同材料的滤波器的设备和方法 |
Country Status (10)
Country | Link |
---|---|
US (3) | US8018304B2 (zh) |
EP (1) | EP2419998A4 (zh) |
JP (1) | JP5485371B2 (zh) |
KR (1) | KR101654399B1 (zh) |
CN (1) | CN102498665B (zh) |
BR (1) | BRPI1016206B1 (zh) |
CA (1) | CA2758199C (zh) |
HK (1) | HK1172161A1 (zh) |
RU (1) | RU2534372C2 (zh) |
WO (1) | WO2010118512A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI822751B (zh) * | 2018-04-12 | 2023-11-21 | 美商天工方案公司 | 包含兩種類型的聲波諧振器之濾波器 |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013080428A1 (ja) * | 2011-11-28 | 2013-06-06 | パナソニック株式会社 | 高周波フィルタ |
US9160302B2 (en) * | 2012-11-28 | 2015-10-13 | Telefonaktiebolaget L M Ericsson (Publ) | Acoustic wave band reject filter |
US9484887B2 (en) | 2012-11-28 | 2016-11-01 | Telefonaktiebolaget Lm Ericsson (Publ) | Acoustic wave band reject filter |
US9281799B2 (en) | 2013-02-06 | 2016-03-08 | Telefonaktiebolaget L M Ericsson (Publ) | Flip chip type saw band reject filter design |
EP2782187A1 (en) * | 2013-03-21 | 2014-09-24 | 3B Elettronica di Boracchi Pietro & C. S.n.c. | Structure of LOW-PASS filter in particular for DVBT-DVBH |
US9264017B2 (en) * | 2013-04-04 | 2016-02-16 | Nanowave Technologies Inc. | Electronically tunable filter |
CN103368522A (zh) * | 2013-07-30 | 2013-10-23 | 四川九洲空管科技有限责任公司 | 一种能应用于l波段的射频声表面波延迟线 |
US9906198B2 (en) * | 2015-03-20 | 2018-02-27 | Nokia Technologies Oy | Narrowing audio filter transition band |
US9893713B2 (en) | 2015-09-30 | 2018-02-13 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Wide bandwidth muliplexer based on LC and acoustic resonator circuits for performing carrier aggregation |
US9762208B2 (en) | 2015-09-30 | 2017-09-12 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Very wide bandwidth composite bandpass filter with steep roll-off |
KR102200356B1 (ko) * | 2016-09-07 | 2021-01-07 | 가부시키가이샤 무라타 세이사쿠쇼 | 탄성파 필터 장치 및 복합 필터 장치 |
JP6872387B2 (ja) * | 2017-03-14 | 2021-05-19 | 日本電波工業株式会社 | 複合フィルタ |
KR20200060844A (ko) * | 2018-11-23 | 2020-06-02 | 삼성전기주식회사 | 프론트 엔드 모듈 |
EP3883050B1 (en) | 2018-12-26 | 2023-08-30 | Huawei Technologies Co., Ltd. | Dielectric filter, duplexer, and communication device |
RU2723956C1 (ru) * | 2019-09-12 | 2020-06-18 | Федеральное государственное бюджетное научное учреждение "Технологический институт сверхтвердых и новых углеродных материалов" (ФГБНУ ТИСНУМ) | СВЧ акустический масс-сенсор |
US11489506B2 (en) | 2019-10-24 | 2022-11-01 | Qorvo Us, Inc. | Radio frequency filtering circuitry on integrated passive die |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000030253A1 (en) * | 1998-11-18 | 2000-05-25 | Cts Corporation | Notch filter incorporating saw devices and a delay line |
CN1409485A (zh) * | 2001-10-01 | 2003-04-09 | 松下电器产业株式会社 | 合成滤波器、天线共用器和通信装置 |
WO2003069777A1 (en) * | 2002-02-12 | 2003-08-21 | Nortel Networks Limited | Band reject filters |
CN1160853C (zh) * | 1998-12-30 | 2004-08-04 | 诺基亚流动电话有限公司 | 平衡滤波器结构 |
WO2005027535A2 (en) * | 2003-09-16 | 2005-03-24 | Nortel Networks Limited | Band reject filters |
WO2009001170A2 (en) * | 2006-11-16 | 2008-12-31 | Nortel Networks Limited | Filter having impedance matching circuits |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5279047U (zh) * | 1975-12-09 | 1977-06-13 | ||
JPS61123212A (ja) * | 1984-11-19 | 1986-06-11 | Fujitsu Ltd | フイルタ装置 |
JP3739858B2 (ja) * | 1996-06-14 | 2006-01-25 | 松下電器産業株式会社 | 高周波フィルタ |
JP2000059176A (ja) * | 1998-08-06 | 2000-02-25 | Toshiba Corp | 弾性表面波素子 |
US6807405B1 (en) * | 1999-04-28 | 2004-10-19 | Isco International, Inc. | Method and a device for maintaining the performance quality of a code-division multiple access system in the presence of narrow band interference |
RU2192693C2 (ru) * | 2000-07-26 | 2002-11-10 | Новосибирский государственный технический университет | Сверхвысокочастотный направленный фильтр |
JP3970735B2 (ja) * | 2001-10-01 | 2007-09-05 | 松下電器産業株式会社 | 複合フィルタ、アンテナ共用器、及び通信装置 |
JP2003218669A (ja) * | 2002-01-21 | 2003-07-31 | Sanyo Electric Co Ltd | 弾性表面波フィルタを用いたフィルタ回路及びデュプレクサ |
US7589606B2 (en) * | 2004-06-30 | 2009-09-15 | Panasonic Corporation | Electronic part utilizing a protective film on a comb-shaped electrode |
JP2007110202A (ja) * | 2005-10-11 | 2007-04-26 | Matsushita Electric Ind Co Ltd | 複合フィルタチップ |
-
2009
- 2009-04-15 US US12/424,068 patent/US8018304B2/en active Active
-
2010
- 2010-04-13 KR KR1020117027080A patent/KR101654399B1/ko active IP Right Grant
- 2010-04-13 WO PCT/CA2010/000542 patent/WO2010118512A1/en active Application Filing
- 2010-04-13 JP JP2012505003A patent/JP5485371B2/ja active Active
- 2010-04-13 RU RU2011144614/08A patent/RU2534372C2/ru active
- 2010-04-13 BR BRPI1016206-2A patent/BRPI1016206B1/pt active IP Right Grant
- 2010-04-13 CN CN201080026686.1A patent/CN102498665B/zh active Active
- 2010-04-13 CA CA2758199A patent/CA2758199C/en active Active
- 2010-04-13 EP EP10764010.4A patent/EP2419998A4/en not_active Withdrawn
-
2011
- 2011-08-15 US US13/209,977 patent/US8324987B2/en active Active
-
2012
- 2012-10-29 US US13/662,995 patent/US8570118B2/en active Active
- 2012-12-10 HK HK12112718.2A patent/HK1172161A1/zh not_active IP Right Cessation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000030253A1 (en) * | 1998-11-18 | 2000-05-25 | Cts Corporation | Notch filter incorporating saw devices and a delay line |
CN1160853C (zh) * | 1998-12-30 | 2004-08-04 | 诺基亚流动电话有限公司 | 平衡滤波器结构 |
CN1409485A (zh) * | 2001-10-01 | 2003-04-09 | 松下电器产业株式会社 | 合成滤波器、天线共用器和通信装置 |
WO2003069777A1 (en) * | 2002-02-12 | 2003-08-21 | Nortel Networks Limited | Band reject filters |
WO2005027535A2 (en) * | 2003-09-16 | 2005-03-24 | Nortel Networks Limited | Band reject filters |
WO2009001170A2 (en) * | 2006-11-16 | 2008-12-31 | Nortel Networks Limited | Filter having impedance matching circuits |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI822751B (zh) * | 2018-04-12 | 2023-11-21 | 美商天工方案公司 | 包含兩種類型的聲波諧振器之濾波器 |
Also Published As
Publication number | Publication date |
---|---|
BRPI1016206A2 (pt) | 2016-04-26 |
EP2419998A4 (en) | 2013-04-10 |
WO2010118512A1 (en) | 2010-10-21 |
HK1172161A1 (zh) | 2013-04-12 |
US20130084820A1 (en) | 2013-04-04 |
US20100265010A1 (en) | 2010-10-21 |
JP5485371B2 (ja) | 2014-05-07 |
US8324987B2 (en) | 2012-12-04 |
RU2534372C2 (ru) | 2014-11-27 |
KR20120017041A (ko) | 2012-02-27 |
KR101654399B1 (ko) | 2016-09-05 |
CA2758199C (en) | 2016-10-11 |
CA2758199A1 (en) | 2010-10-21 |
US20110298565A1 (en) | 2011-12-08 |
BRPI1016206B1 (pt) | 2020-10-06 |
JP2012524427A (ja) | 2012-10-11 |
CN102498665A (zh) | 2012-06-13 |
US8570118B2 (en) | 2013-10-29 |
RU2011144614A (ru) | 2013-05-20 |
US8018304B2 (en) | 2011-09-13 |
EP2419998A1 (en) | 2012-02-22 |
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