IL161064A0 - Electrically tunable bandpass filters - Google Patents
Electrically tunable bandpass filtersInfo
- Publication number
- IL161064A0 IL161064A0 IL16106402A IL16106402A IL161064A0 IL 161064 A0 IL161064 A0 IL 161064A0 IL 16106402 A IL16106402 A IL 16106402A IL 16106402 A IL16106402 A IL 16106402A IL 161064 A0 IL161064 A0 IL 161064A0
- Authority
- IL
- Israel
- Prior art keywords
- ferro
- resonator
- electric
- central conductor
- bandpass filters
- Prior art date
Links
Classifications
-
- 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
- H01P1/201—Filters for transverse electromagnetic waves
- H01P1/203—Strip line filters
- H01P1/20327—Electromagnetic interstage coupling
- H01P1/20336—Comb or interdigital filters
-
- 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
- H01P1/201—Filters for transverse electromagnetic waves
- H01P1/203—Strip line filters
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Networks Using Active Elements (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US32570101P | 2001-09-27 | 2001-09-27 | |
US41300902P | 2002-09-23 | 2002-09-23 | |
PCT/US2002/031118 WO2003028146A1 (en) | 2001-09-27 | 2002-09-27 | Electrically tunable bandpass filters |
Publications (1)
Publication Number | Publication Date |
---|---|
IL161064A0 true IL161064A0 (en) | 2004-08-31 |
Family
ID=26985049
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL16106402A IL161064A0 (en) | 2001-09-27 | 2002-09-27 | Electrically tunable bandpass filters |
Country Status (13)
Country | Link |
---|---|
EP (3) | EP1433219B1 (xx) |
JP (1) | JP4071712B2 (xx) |
KR (2) | KR101250060B1 (xx) |
CN (1) | CN1592985A (xx) |
AT (1) | ATE473528T1 (xx) |
BR (1) | BR0212843A (xx) |
CA (1) | CA2461886A1 (xx) |
DE (1) | DE60236947D1 (xx) |
IL (1) | IL161064A0 (xx) |
MX (1) | MXPA04002907A (xx) |
NO (1) | NO20041903L (xx) |
RU (1) | RU2004112757A (xx) |
WO (1) | WO2003028146A1 (xx) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005091429A1 (en) * | 2004-03-19 | 2005-09-29 | Huawei Technologies Co., Ltd. | A method for providing ability of tuning resonance frequency for different applications |
CN100392910C (zh) * | 2005-11-25 | 2008-06-04 | 中国科学院物理研究所 | 一种铁电薄膜可调带通滤波器 |
US8207907B2 (en) * | 2006-02-16 | 2012-06-26 | The Invention Science Fund I Llc | Variable metamaterial apparatus |
WO2010125806A1 (ja) * | 2009-04-28 | 2010-11-04 | 日本電気株式会社 | 導波管フィルタ、通信アクセス装置 |
US20100295634A1 (en) | 2009-05-20 | 2010-11-25 | Tamrat Akale | Tunable bandpass filter |
US10181632B2 (en) * | 2013-12-18 | 2019-01-15 | Skyworks Solutions, Inc. | Tunable resonators using high dielectric constant ferrite rods |
RU189237U1 (ru) * | 2018-02-07 | 2019-05-16 | Федеральное государственное бюджетное научное учреждение "Федеральный исследовательский центр "Красноярский научный центр Сибирского отделения Российской академии наук" | Сверхширокополосный полосковый фильтр |
CN112864558B (zh) * | 2021-02-23 | 2024-09-17 | 贵州民族大学 | 一种基于铁电膜的实时可控波导结构 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US325701A (en) | 1885-09-08 | sharpneck | ||
US3192397A (en) * | 1960-11-30 | 1965-06-29 | Ibm | Bistable circuit having an adjustable phase shifter responsive to output signal |
DE3201064A1 (de) * | 1982-01-15 | 1983-07-28 | Hoechst Ag, 6230 Frankfurt | "verfahren zur herstellung von natriumhydrogensulfat" |
US5241291A (en) * | 1991-07-05 | 1993-08-31 | Motorola, Inc. | Transmission line filter having a varactor for tuning a transmission zero |
US5475350A (en) * | 1992-09-29 | 1995-12-12 | Matsushita Electric Industrial Co., Ltd. | Frequency tunable resonator including a varactor |
CA2150690A1 (en) * | 1992-12-01 | 1994-06-09 | Robert M. Yandrofski | Tuneable microwave devices incorporating high temperature superconducting and ferroelectric films |
WO1994028592A1 (en) * | 1993-05-27 | 1994-12-08 | E.I. Du Pont De Nemours And Company | High tc superconductor/ferroelectric tunable microwave circuits |
FR2714217B1 (fr) * | 1993-12-17 | 1996-01-26 | Thomson Csf | Filtre hyperfréquence à résonateurs couplés accordés par des capacités variables, à structure triplaque et à agilité de fréquence. |
US5496795A (en) * | 1994-08-16 | 1996-03-05 | Das; Satyendranath | High TC superconducting monolithic ferroelectric junable b and pass filter |
US5496796A (en) * | 1994-09-20 | 1996-03-05 | Das; Satyendranath | High Tc superconducting band reject ferroelectric filter (TFF) |
US5617104A (en) | 1995-03-28 | 1997-04-01 | Das; Satyendranath | High Tc superconducting tunable ferroelectric transmitting system |
JPH10209714A (ja) * | 1996-11-19 | 1998-08-07 | Sharp Corp | 電圧制御通過帯域可変フィルタおよびそれを用いる高周波回路モジュール |
US5908811A (en) * | 1997-03-03 | 1999-06-01 | Das; Satyendranath | High Tc superconducting ferroelectric tunable filters |
-
2002
- 2002-09-27 AT AT02778409T patent/ATE473528T1/de not_active IP Right Cessation
- 2002-09-27 IL IL16106402A patent/IL161064A0/xx unknown
- 2002-09-27 RU RU2004112757/09A patent/RU2004112757A/ru not_active Application Discontinuation
- 2002-09-27 DE DE60236947T patent/DE60236947D1/de not_active Expired - Lifetime
- 2002-09-27 JP JP2003531553A patent/JP4071712B2/ja not_active Expired - Fee Related
- 2002-09-27 MX MXPA04002907A patent/MXPA04002907A/es active IP Right Grant
- 2002-09-27 WO PCT/US2002/031118 patent/WO2003028146A1/en active Application Filing
- 2002-09-27 CA CA002461886A patent/CA2461886A1/en not_active Abandoned
- 2002-09-27 KR KR1020097011258A patent/KR101250060B1/ko active IP Right Grant
- 2002-09-27 BR BR0212843-8A patent/BR0212843A/pt not_active IP Right Cessation
- 2002-09-27 KR KR1020047004545A patent/KR101036117B1/ko active IP Right Grant
- 2002-09-27 CN CNA028233344A patent/CN1592985A/zh active Pending
- 2002-09-27 EP EP02778409A patent/EP1433219B1/en not_active Expired - Lifetime
- 2002-09-27 EP EP10185327.3A patent/EP2309586B1/en not_active Expired - Lifetime
- 2002-09-27 EP EP09177702.9A patent/EP2164129B1/en not_active Expired - Lifetime
-
2004
- 2004-04-26 NO NO20041903A patent/NO20041903L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP2164129A1 (en) | 2010-03-17 |
JP4071712B2 (ja) | 2008-04-02 |
KR20090074274A (ko) | 2009-07-06 |
MXPA04002907A (es) | 2004-07-05 |
NO20041903L (no) | 2004-06-15 |
EP1433219A1 (en) | 2004-06-30 |
KR20040037175A (ko) | 2004-05-04 |
WO2003028146A1 (en) | 2003-04-03 |
CN1592985A (zh) | 2005-03-09 |
RU2004112757A (ru) | 2005-03-27 |
EP1433219B1 (en) | 2010-07-07 |
EP2309586A1 (en) | 2011-04-13 |
KR101250060B1 (ko) | 2013-04-03 |
BR0212843A (pt) | 2005-06-28 |
JP2006503445A (ja) | 2006-01-26 |
EP2309586B1 (en) | 2014-01-01 |
CA2461886A1 (en) | 2003-04-03 |
ATE473528T1 (de) | 2010-07-15 |
EP2164129B1 (en) | 2013-07-17 |
DE60236947D1 (de) | 2010-08-19 |
KR101036117B1 (ko) | 2011-05-23 |
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