CA2046446A1 - Filtres passe-bande et passe-bas integres - Google Patents
Filtres passe-bande et passe-bas integresInfo
- Publication number
- CA2046446A1 CA2046446A1 CA2046446A CA2046446A CA2046446A1 CA 2046446 A1 CA2046446 A1 CA 2046446A1 CA 2046446 A CA2046446 A CA 2046446A CA 2046446 A CA2046446 A CA 2046446A CA 2046446 A1 CA2046446 A1 CA 2046446A1
- Authority
- CA
- Canada
- Prior art keywords
- filter
- bandpass
- lowpass
- integrated
- filters
- 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.)
- Granted
Links
- 230000001629 suppression Effects 0.000 abstract 1
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
- H01P1/202—Coaxial 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
- H01P1/205—Comb or interdigital filters; Cascaded coaxial cavities
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/550,720 | 1990-07-10 | ||
| US07/550,720 US5023579A (en) | 1990-07-10 | 1990-07-10 | Integrated bandpass/lowpass filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2046446A1 true CA2046446A1 (fr) | 1992-01-11 |
| CA2046446C CA2046446C (fr) | 1995-06-27 |
Family
ID=24198337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002046446A Expired - Fee Related CA2046446C (fr) | 1990-07-10 | 1991-07-08 | Filtres passe-bande et passe-bas integres |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US5023579A (fr) |
| CA (1) | CA2046446C (fr) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5153541A (en) * | 1991-05-20 | 1992-10-06 | At&T Bell Laboratories | Folded interdigital notch filter |
| FI88830C (fi) * | 1991-05-24 | 1993-07-12 | Telenokia Oy | Comb-line-hoegfrekvensfilter |
| FI90158C (fi) * | 1991-06-25 | 1993-12-27 | Lk Products Oy | Oevertonsfrekvensfilter avsett foer ett keramiskt filter |
| US5291158A (en) * | 1991-12-26 | 1994-03-01 | Radio Frequency Systems, Inc. | High frequency filter having common coupling rods fixedly mounted and coupled through a common wall |
| US5274347A (en) * | 1992-08-11 | 1993-12-28 | At&T Bell Laboratories | Coaxial fitting for microwave devices |
| US5428325A (en) * | 1993-12-10 | 1995-06-27 | Allen Telecom Group, Inc. | RF filters and multiplexers with resonator decouplers |
| JP3123348B2 (ja) | 1994-06-28 | 2001-01-09 | 株式会社村田製作所 | 誘電体フィルタ |
| US5543758A (en) * | 1994-10-07 | 1996-08-06 | Allen Telecom Group, Inc. | Asymmetric dual-band combine filter |
| JP3158963B2 (ja) | 1995-05-31 | 2001-04-23 | 株式会社村田製作所 | アンテナ共用器 |
| US5684439A (en) * | 1995-10-10 | 1997-11-04 | Motorola, Inc. | Half wave ceramic filter with open circuit at both ends |
| US5751199A (en) * | 1996-01-16 | 1998-05-12 | Trw Inc. | Combline multiplexer with planar common junction input |
| US5886597A (en) * | 1997-03-28 | 1999-03-23 | Virginia Tech Intellectual Properties, Inc. | Circuit structure including RF/wideband resonant vias |
| WO2004105173A1 (fr) * | 2003-05-21 | 2004-12-02 | Kmw Inc. | Filtre de radiofrequences |
| SE527798C2 (sv) | 2004-10-19 | 2006-06-07 | Powerwave Technologies Sweden | Ett DC-extraherande arrangemang |
| US7388458B2 (en) | 2004-10-19 | 2008-06-17 | Powerwave Technologies Sweden Ab | DC extracting arrangement and a filter |
| US8008994B2 (en) * | 2009-05-01 | 2011-08-30 | Alcatel Lucent | Tunable capacitive input coupling |
| FI125596B (en) * | 2010-11-12 | 2015-12-15 | Intel Corp | Adjustable resonator filter |
| EP2482377B1 (fr) * | 2011-01-26 | 2014-03-19 | Alcatel Lucent | Filtre RF doté d'un moyen de couplage pour signaux RF |
| CN104205481B (zh) * | 2012-03-30 | 2016-06-08 | Ace技术株式会社 | 可变带宽rf滤波器 |
| EP3691023B1 (fr) * | 2014-12-15 | 2021-04-28 | CommScope Italy S.r.l. | Filtre en ligne doté d'un couplage inductif et capacitif de compensation mutuelle |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2438913A (en) * | 1941-10-31 | 1948-04-06 | Sperry Corp | High-frequency filter structure |
| US4037182A (en) * | 1976-09-03 | 1977-07-19 | Hughes Aircraft Company | Microwave tuning device |
| US4680560A (en) * | 1985-04-03 | 1987-07-14 | Murata Manufacturing Co., Ltd. | Electrical filter device |
-
1990
- 1990-07-10 US US07/550,720 patent/US5023579A/en not_active Expired - Fee Related
-
1991
- 1991-07-08 CA CA002046446A patent/CA2046446C/fr not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US5023579A (en) | 1991-06-11 |
| CA2046446C (fr) | 1995-06-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |