FR2920612B1 - Circuit d'accord en frequence pour filtre treillis - Google Patents
Circuit d'accord en frequence pour filtre treillisInfo
- Publication number
- FR2920612B1 FR2920612B1 FR0706161A FR0706161A FR2920612B1 FR 2920612 B1 FR2920612 B1 FR 2920612B1 FR 0706161 A FR0706161 A FR 0706161A FR 0706161 A FR0706161 A FR 0706161A FR 2920612 B1 FR2920612 B1 FR 2920612B1
- Authority
- FR
- France
- Prior art keywords
- tuning circuit
- frequency tuning
- trellis filter
- trellis
- filter
- 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
- H03H9/0023—Balance-unbalance or balance-balance networks
- H03H9/0095—Balance-unbalance or balance-balance networks using bulk acoustic wave devices
-
- 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
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0706161A FR2920612B1 (fr) | 2007-09-03 | 2007-09-03 | Circuit d'accord en frequence pour filtre treillis |
US12/203,003 US7920036B2 (en) | 2007-09-03 | 2008-09-02 | Frequency tuning circuit for lattice filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0706161A FR2920612B1 (fr) | 2007-09-03 | 2007-09-03 | Circuit d'accord en frequence pour filtre treillis |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2920612A1 FR2920612A1 (fr) | 2009-03-06 |
FR2920612B1 true FR2920612B1 (fr) | 2009-12-04 |
Family
ID=39272842
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0706161A Expired - Fee Related FR2920612B1 (fr) | 2007-09-03 | 2007-09-03 | Circuit d'accord en frequence pour filtre treillis |
Country Status (2)
Country | Link |
---|---|
US (1) | US7920036B2 (fr) |
FR (1) | FR2920612B1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2927742A1 (fr) * | 2008-02-15 | 2009-08-21 | St Microelectronics Sa | Filtre a resonateur acoustiques de type baw reconfigurable par voie numerique et procede |
CN202094847U (zh) * | 2011-02-09 | 2011-12-28 | 中兴通讯股份有限公司 | 一种滤波器 |
US8816786B2 (en) * | 2012-10-01 | 2014-08-26 | Tensorcom, Inc. | Method and apparatus of a crystal oscillator with a noiseless and amplitude based start up control loop |
Family Cites Families (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB615841A (en) | 1946-08-14 | 1949-01-12 | Gen Electric Co Ltd | Improvements in and relating to piezo-electric resonators |
US3697903A (en) | 1968-05-17 | 1972-10-10 | Clevite Corp | Equal-resonator piezoelectric ladder filters |
US3731230A (en) | 1971-12-17 | 1973-05-01 | Motorola Inc | Broadband circuit for minimizing the effects of crystal shunt capacitance |
GB2049332B (en) | 1979-04-30 | 1983-03-30 | Philips Electronic Associated | Active filter |
JPH0369203A (ja) | 1989-08-08 | 1991-03-25 | Alps Electric Co Ltd | 電圧制御発振器 |
EP0422274A1 (fr) | 1989-10-12 | 1991-04-17 | Siemens Aktiengesellschaft | Procédé de commande pour des alimentations à découpage résonantes sérielles en configuration push-pull avec régulation de la tension de sortie |
US5235640A (en) | 1989-12-21 | 1993-08-10 | International Telesystems, Inc. | Master decoder for television signal scramble systems |
US5036299A (en) | 1990-06-22 | 1991-07-30 | California Institute Of Technology | Method and apparatus for reducing microwave oscillator output noise |
US5291159A (en) | 1992-07-20 | 1994-03-01 | Westinghouse Electric Corp. | Acoustic resonator filter with electrically variable center frequency and bandwidth |
US5446306A (en) | 1993-12-13 | 1995-08-29 | Trw Inc. | Thin film voltage-tuned semiconductor bulk acoustic resonator (SBAR) |
US5608360A (en) | 1995-11-03 | 1997-03-04 | Northrop Grumman Corporation | Oscillator formed of high frequency resonators and method of generating high frequency oscillator signal having reduced vibration sensitivity and phase noise and improved loop group delay |
US5714917A (en) | 1996-10-02 | 1998-02-03 | Nokia Mobile Phones Limited | Device incorporating a tunable thin film bulk acoustic resonator for performing amplitude and phase modulation |
JPH10294636A (ja) | 1997-04-18 | 1998-11-04 | Kokusai Electric Co Ltd | インピーダンス整合回路 |
US6239664B1 (en) | 1999-03-05 | 2001-05-29 | Rf Monolithics, Inc. | Low phase noise, wide tuning range oscillator utilizing a one port saw resonator and method of operation |
US7130579B1 (en) | 1999-10-21 | 2006-10-31 | Broadcom Corporation | Adaptive radio transceiver with a wide tuning range VCO |
US7183640B2 (en) | 1999-12-13 | 2007-02-27 | Lamina Ceramics, Inc. | Method and structures for enhanced temperature control of high power components on multilayer LTCC and LTCC-M boards |
JP5175016B2 (ja) | 2000-04-06 | 2013-04-03 | トライクイント・セミコンダクター・インコーポレイテッド | チューニング可能なフィルタ構成 |
EP1191697B1 (fr) | 2000-07-31 | 2011-12-21 | HILTI Aktiengesellschaft | Oscillateur local pour la génération d'un signal HF pour le mélange direct par photodiodes à avalanches |
DE10047343B4 (de) | 2000-09-25 | 2004-04-15 | Siemens Ag | Resonatoranordnung |
EP1251577B1 (fr) | 2001-04-19 | 2007-04-25 | Interuniversitair Microelektronica Centrum Vzw | Fabrication de modules intégrés passives à ondes millimétriques et hyperfréquences accordables /commutables |
US7194247B2 (en) | 2001-09-26 | 2007-03-20 | Nokia Corporation | Dual-channel passband filtering system using acoustic resonators in lattice topology |
TW540173B (en) * | 2002-05-03 | 2003-07-01 | Asia Pacific Microsystems Inc | Bulk acoustic device having integrated fine-tuning and trimming devices |
DE20221966U1 (de) | 2002-06-06 | 2010-02-25 | Epcos Ag | Mit akustischen Wellen arbeitendes Bauelement mit einem Anpaßnetzwerk |
DE10234685A1 (de) | 2002-07-30 | 2004-02-19 | Infineon Technologies Ag | Filterschaltung |
US7030718B1 (en) | 2002-08-09 | 2006-04-18 | National Semiconductor Corporation | Apparatus and method for extending tuning range of electro-acoustic film resonators |
AU2003292481A1 (en) | 2003-01-20 | 2004-08-13 | Koninklijke Philips Electronics N.V. | Circuit arrangement providing impedance transformation |
JP4468185B2 (ja) | 2003-01-20 | 2010-05-26 | エヌエックスピー ビー ヴィ | 等しい共振周波数を有する共振器フィルタ構造体 |
US20040227578A1 (en) | 2003-05-14 | 2004-11-18 | Miikka Hamalainen | Acoustic resonance-based frequency synthesizer using at least one bulk acoustic wave (BAW) or thin film bulk acoustic wave (FBAR) device |
FR2864729B1 (fr) | 2003-12-29 | 2006-05-05 | St Microelectronics Sa | Resonateur acoustique integrable , et procede d'integration d'un tel resonateur |
FR2864726B1 (fr) | 2003-12-29 | 2007-12-07 | St Microelectronics Sa | Boucle a verrouillage d'amplitude integrable dotee d'un resonateur acoustique |
FR2864728B1 (fr) * | 2003-12-29 | 2007-12-07 | St Microelectronics Sa | Circuit electronique integre comportant un resonateur accordable |
FR2864733A1 (fr) | 2003-12-29 | 2005-07-01 | St Microelectronics Sa | Boucle a verrouillage de phase integrable dotee d'un resonateur acoustique |
JP4053504B2 (ja) * | 2004-01-30 | 2008-02-27 | 株式会社東芝 | チューナブルフィルタ |
TWI246249B (en) * | 2004-04-30 | 2005-12-21 | Ind Tech Res Inst | Frequency tuning loop for active-Rc filters |
EP1601110A1 (fr) | 2004-05-10 | 2005-11-30 | STMicroelectronics S.A. | Circuit de réception d'un système de communication hétérodyne intégrable comportant des résonateurs de type BAW |
JP2006005485A (ja) * | 2004-06-15 | 2006-01-05 | Toshiba Corp | フィルタ制御装置とフィルタシステム |
FR2904492A1 (fr) * | 2006-07-28 | 2008-02-01 | St Microelectronics Sa | Circuit de filtrage dote de resonateurs acoustiques |
-
2007
- 2007-09-03 FR FR0706161A patent/FR2920612B1/fr not_active Expired - Fee Related
-
2008
- 2008-09-02 US US12/203,003 patent/US7920036B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20090072925A1 (en) | 2009-03-19 |
FR2920612A1 (fr) | 2009-03-06 |
US7920036B2 (en) | 2011-04-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20130531 |