DE69707562D1 - Aktives Filter - Google Patents
Aktives FilterInfo
- Publication number
- DE69707562D1 DE69707562D1 DE69707562T DE69707562T DE69707562D1 DE 69707562 D1 DE69707562 D1 DE 69707562D1 DE 69707562 T DE69707562 T DE 69707562T DE 69707562 T DE69707562 T DE 69707562T DE 69707562 D1 DE69707562 D1 DE 69707562D1
- Authority
- DE
- Germany
- Prior art keywords
- active filter
- filter
- active
- 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.)
- Expired - Fee Related
Links
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
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
-
- 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
- H03H9/0542—Constructional combinations of supports or holders with electromechanical or other electronic elements consisting of a lateral arrangement
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Networks Using Active Elements (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14456096A JP3233021B2 (ja) | 1996-06-06 | 1996-06-06 | アクティブフィルタ |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69707562D1 true DE69707562D1 (de) | 2001-11-29 |
DE69707562T2 DE69707562T2 (de) | 2002-06-27 |
Family
ID=15365106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69707562T Expired - Fee Related DE69707562T2 (de) | 1996-06-06 | 1997-06-05 | Aktives Filter |
Country Status (4)
Country | Link |
---|---|
US (1) | US5936486A (de) |
EP (1) | EP0812065B1 (de) |
JP (1) | JP3233021B2 (de) |
DE (1) | DE69707562T2 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6472959B1 (en) | 1999-03-11 | 2002-10-29 | Nortel Networks Limited | Longitudinally coupled double mode resonator filters using shallow bulk acoustic waves |
JP4240780B2 (ja) * | 2000-08-08 | 2009-03-18 | Tdk株式会社 | パワーアンプ内蔵型アイソレータ装置 |
US6927651B2 (en) * | 2003-05-12 | 2005-08-09 | Agilent Technologies, Inc. | Acoustic resonator devices having multiple resonant frequencies and methods of making the same |
JP2021508215A (ja) * | 2018-06-04 | 2021-02-25 | 安徽安努奇科技有限公司Anhui Anuki Technologies Co., Ltd. | 帯域通過濾波回路およびマルチプレクサ |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1400651A (en) * | 1973-01-11 | 1975-07-23 | Marconi Co Ltd | Electroacoustic surface wave delay cells |
GB1451326A (en) * | 1973-02-16 | 1976-09-29 | Nat Res Dev | Acoustic wave devices |
DE2609883A1 (de) * | 1975-03-11 | 1976-09-30 | Murata Manufacturing Co | Wellenfilter mit akustischer oberflaechenleitung |
FR2492193B2 (fr) * | 1980-06-10 | 1987-11-27 | France Etat | Filtre recursif a ondes elastiques de surface utilisant une ligne a retard a bouclage actif |
-
1996
- 1996-06-06 JP JP14456096A patent/JP3233021B2/ja not_active Expired - Fee Related
-
1997
- 1997-06-05 DE DE69707562T patent/DE69707562T2/de not_active Expired - Fee Related
- 1997-06-05 EP EP97109119A patent/EP0812065B1/de not_active Expired - Lifetime
- 1997-06-06 US US08/870,495 patent/US5936486A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5936486A (en) | 1999-08-10 |
JP3233021B2 (ja) | 2001-11-26 |
EP0812065A2 (de) | 1997-12-10 |
EP0812065B1 (de) | 2001-10-24 |
EP0812065A3 (de) | 1998-07-15 |
DE69707562T2 (de) | 2002-06-27 |
JPH09326670A (ja) | 1997-12-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |