FI118400B - Filterstruktur med piezoelektriska resonatorer - Google Patents
Filterstruktur med piezoelektriska resonatorer Download PDFInfo
- Publication number
- FI118400B FI118400B FI20011678A FI20011678A FI118400B FI 118400 B FI118400 B FI 118400B FI 20011678 A FI20011678 A FI 20011678A FI 20011678 A FI20011678 A FI 20011678A FI 118400 B FI118400 B FI 118400B
- Authority
- FI
- Finland
- Prior art keywords
- filter
- piezoelectric
- resonators
- resonator
- series
- Prior art date
Links
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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
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
- H03H9/58—Multiple crystal filters
- H03H9/60—Electric coupling means therefor
- H03H9/605—Electric coupling means therefor consisting of a ladder configuration
-
- 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
- H03H9/6426—Combinations of the characteristics of different transducers
-
- 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)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20011678A FI118400B (sv) | 2001-08-21 | 2001-08-21 | Filterstruktur med piezoelektriska resonatorer |
| US10/225,490 US6741146B2 (en) | 2001-08-21 | 2002-08-21 | Filter structure comprising piezoelectric resonators |
| DE60214948T DE60214948T2 (de) | 2001-08-21 | 2002-08-21 | Filteranordnung mit piezoelektrischen Resonatoren |
| EP02396124A EP1292026B1 (en) | 2001-08-21 | 2002-08-21 | Filter structure comprising piezoelectric resonators |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20011678 | 2001-08-21 | ||
| FI20011678A FI118400B (sv) | 2001-08-21 | 2001-08-21 | Filterstruktur med piezoelektriska resonatorer |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI20011678A0 FI20011678A0 (sv) | 2001-08-21 |
| FI20011678A FI20011678A (sv) | 2003-02-22 |
| FI118400B true FI118400B (sv) | 2007-10-31 |
Family
ID=8561768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI20011678A FI118400B (sv) | 2001-08-21 | 2001-08-21 | Filterstruktur med piezoelektriska resonatorer |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6741146B2 (sv) |
| EP (1) | EP1292026B1 (sv) |
| DE (1) | DE60214948T2 (sv) |
| FI (1) | FI118400B (sv) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20221966U1 (de) * | 2002-06-06 | 2010-02-25 | Epcos Ag | Mit akustischen Wellen arbeitendes Bauelement mit einem Anpaßnetzwerk |
| US6862441B2 (en) * | 2003-06-09 | 2005-03-01 | Nokia Corporation | Transmitter filter arrangement for multiband mobile phone |
| US7082655B2 (en) * | 2003-12-18 | 2006-08-01 | Ge Inspection Technologies, Lp | Process for plating a piezoelectric composite |
| US6963257B2 (en) * | 2004-03-19 | 2005-11-08 | Nokia Corporation | Coupled BAW resonator based duplexers |
| KR100760780B1 (ko) * | 2004-09-28 | 2007-09-21 | 후지쓰 메디아 데바이스 가부시키가이샤 | 분파기 |
| DE102005026243B4 (de) * | 2005-06-07 | 2018-04-05 | Snaptrack, Inc. | Elektrisches Bauelement und Herstellungsverfahren |
| DE102005027715B4 (de) * | 2005-06-15 | 2020-01-02 | Snaptrack, Inc. | Elektroakustischer Resonator, Filter, Duplexer und Verfahren zur Bestimmung von Parametern eines Resonators |
| US20070094691A1 (en) * | 2005-10-24 | 2007-04-26 | Gazdzinski Robert F | Method and apparatus for on-demand content transmission and control over networks |
| FR2901708A1 (fr) * | 2006-06-02 | 2007-12-07 | Ela Medical Soc Par Actions Si | Dispositif medical actif tel qu'implant actif ou programmateur pour un tel implant, comprenant des moyens de telemetrie rf |
| EP2037574A1 (en) * | 2006-06-15 | 2009-03-18 | Koichi Hirama | Composite resonator |
| US7825749B2 (en) * | 2007-05-31 | 2010-11-02 | Avago Technologies Wireless Ip (Singapore) Pte. Ltd. | Integrated coupled resonator filter and bulk acoustic wave devices |
| FR2926417B1 (fr) * | 2008-01-15 | 2010-01-08 | Commissariat Energie Atomique | Filtre d'amplification de puissance de signaux radiofrequence |
| EP2226948B1 (en) * | 2009-03-03 | 2015-07-29 | Qualcomm Technologies, Inc. | Communication system and method for transmitting and receiving signals |
| US8576024B2 (en) * | 2010-02-11 | 2013-11-05 | Hollinworth Fund, L.L.C. | Electro-acoustic filter |
| US8471643B2 (en) | 2011-05-13 | 2013-06-25 | Qualcomm Mems Technologies, Inc. | Electromechanical systems oscillator with piezoelectric contour mode resonator for multiple frequency generation |
| DE102014209746A1 (de) | 2014-05-22 | 2015-11-26 | Robert Bosch Gmbh | Fahrassistenzvorrichtung für ein Fahrzeug |
| DE102016100925B4 (de) * | 2016-01-20 | 2018-05-30 | Snaptrack, Inc. | Filterschaltung |
| DE102018107589B4 (de) * | 2018-03-29 | 2020-01-30 | RF360 Europe GmbH | Elektroakustisches Gitterfilter und ein Gitterfilter umfassendes HF-Filtermodul |
| US10848126B2 (en) * | 2018-10-30 | 2020-11-24 | Avago Technologies International Sales Pte. Limited | Band pass filter having parallel connected notch filter circuits |
| DE102018131054B4 (de) * | 2018-12-05 | 2020-10-08 | RF360 Europe GmbH | Mikroakustisches HF-Filter |
| DE102019106670B4 (de) * | 2019-03-15 | 2020-11-12 | RF360 Europe GmbH | HF-Filter mit vergrößerter Bandbreite und Filterkomponente |
| US20230093885A1 (en) * | 2021-09-24 | 2023-03-30 | RF360 Europe GmbH | Harmonic Reduction with Filtering |
| US12113511B2 (en) | 2022-03-16 | 2024-10-08 | Rf360 Singapore Pte. Ltd. | Bridge-type filters |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5093638A (en) * | 1990-11-05 | 1992-03-03 | Motorola, Inc. | Unbalanced saw filter |
| US5294898A (en) * | 1992-01-29 | 1994-03-15 | Motorola, Inc. | Wide bandwidth bandpass filter comprising parallel connected piezoelectric resonators |
| JPH06224644A (ja) * | 1993-01-25 | 1994-08-12 | Nec Corp | 半導体装置 |
| US5839062A (en) * | 1994-03-18 | 1998-11-17 | The Regents Of The University Of California | Mixing, modulation and demodulation via electromechanical resonators |
| US5499002A (en) * | 1994-04-28 | 1996-03-12 | Kinsman; Robert G. | Resonator filter utilizing cascaded impedance inverters |
| JPH10284762A (ja) * | 1995-02-16 | 1998-10-23 | Asahi Chem Ind Co Ltd | 表面弾性波を増幅するための積層構造及び増幅器 |
| JP3285790B2 (ja) * | 1997-05-13 | 2002-05-27 | 富士通株式会社 | 発振回路 |
| FI106894B (sv) * | 1998-06-02 | 2001-04-30 | Nokia Mobile Phones Ltd | Resonatorstrukturer |
| US5942958A (en) * | 1998-07-27 | 1999-08-24 | Tfr Technologies, Inc. | Symmetrical piezoelectric resonator filter |
| US6262637B1 (en) * | 1999-06-02 | 2001-07-17 | Agilent Technologies, Inc. | Duplexer incorporating thin-film bulk acoustic resonators (FBARs) |
| WO2001030090A2 (en) | 1999-10-18 | 2001-04-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and system for the wireless transmission of loss sensitive data |
| FI113111B (sv) * | 2000-11-24 | 2004-02-27 | Nokia Corp | Filterstruktur och arrangemang med piezoelektriska resonator |
-
2001
- 2001-08-21 FI FI20011678A patent/FI118400B/sv not_active IP Right Cessation
-
2002
- 2002-08-21 DE DE60214948T patent/DE60214948T2/de not_active Expired - Lifetime
- 2002-08-21 EP EP02396124A patent/EP1292026B1/en not_active Expired - Lifetime
- 2002-08-21 US US10/225,490 patent/US6741146B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| FI20011678A (sv) | 2003-02-22 |
| DE60214948T2 (de) | 2007-01-25 |
| EP1292026A2 (en) | 2003-03-12 |
| FI20011678A0 (sv) | 2001-08-21 |
| US20030042995A1 (en) | 2003-03-06 |
| DE60214948D1 (de) | 2006-11-09 |
| EP1292026B1 (en) | 2006-09-27 |
| EP1292026A3 (en) | 2004-05-26 |
| US6741146B2 (en) | 2004-05-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Patent granted |
Ref document number: 118400 Country of ref document: FI |
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| PC | Transfer of assignment of patent |
Owner name: AVAGO TECHNOLOGIES WIRELESS IP (SINGAPORE) PTE. LT Free format text: AVAGO TECHNOLOGIES WIRELESS IP (SINGAPORE) PTE. LTD. |
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| PC | Transfer of assignment of patent |
Owner name: AVAGO TECHNOLOGIES GENERAL IP (SINGAPORE) PTE. LTD |
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| MM | Patent lapsed |