FI950033A - Bandpass filter with connected resonators - Google Patents
Bandpass filter with connected resonators Download PDFInfo
- Publication number
- FI950033A FI950033A FI950033A FI950033A FI950033A FI 950033 A FI950033 A FI 950033A FI 950033 A FI950033 A FI 950033A FI 950033 A FI950033 A FI 950033A FI 950033 A FI950033 A FI 950033A
- Authority
- FI
- Finland
- Prior art keywords
- bandpass filter
- connected resonators
- resonators
- bandpass
- filter
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9305287 | 1993-05-04 | ||
FR9305287A FR2704983B1 (en) | 1993-05-04 | 1993-05-04 | BANDPASS FILTER WITH SHORT-COUPLED COUPLED LINES. |
FR9400511 | 1994-05-03 | ||
PCT/FR1994/000511 WO1994025996A1 (en) | 1993-05-04 | 1994-05-03 | Pass-band filter with coupled resonators |
Publications (3)
Publication Number | Publication Date |
---|---|
FI950033A0 FI950033A0 (en) | 1995-01-03 |
FI950033A true FI950033A (en) | 1995-01-23 |
FI115332B FI115332B (en) | 2005-04-15 |
Family
ID=9446719
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI950033A FI115332B (en) | 1993-05-04 | 1995-01-03 | Bandpass filter with coupled resonators |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0649571B1 (en) |
DE (1) | DE69420924T2 (en) |
FI (1) | FI115332B (en) |
FR (1) | FR2704983B1 (en) |
WO (1) | WO1994025996A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR0164410B1 (en) * | 1995-07-21 | 1999-03-20 | 김광호 | Strip line filter with switching function |
FR2737640B1 (en) * | 1995-08-03 | 1997-08-29 | Telediffusion Fse | DEVICE FOR PROTECTING CIRCUITS FROM THE HOOD EFFECT |
US6215374B1 (en) * | 1998-03-16 | 2001-04-10 | Broadband Innovations, Inc. | Magnetically coupled resonators for achieving low cost narrow band pass filters having high selectivity, low insertion loss and improved out-of-band rejection |
KR20010093794A (en) * | 1999-09-29 | 2001-10-29 | 추후기재 | Narrow band-pass tuned resonator filter topologies having high selectivity, low insertion loss and improved out-of band rejection over extended frequency ranges |
DE10202475B4 (en) * | 2002-01-23 | 2010-11-18 | Rohde & Schwarz Gmbh & Co. Kg | Tunable filter element and tunable bandpass filter |
CN101894995B (en) * | 2010-05-19 | 2013-07-24 | 华南理工大学 | Radio frequency electrically adjusted band-pass filter with constant absolute bandwidth |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4074214A (en) * | 1976-09-20 | 1978-02-14 | Motorola, Inc. | Microwave filter |
US4371853A (en) * | 1979-10-30 | 1983-02-01 | Matsushita Electric Industrial Company, Limited | Strip-line resonator and a band pass filter having the same |
FR2626716B1 (en) * | 1988-01-29 | 1990-04-20 | France Etat | PLANE RESONATOR FILTER |
-
1993
- 1993-05-04 FR FR9305287A patent/FR2704983B1/en not_active Expired - Fee Related
-
1994
- 1994-05-03 DE DE69420924T patent/DE69420924T2/en not_active Expired - Fee Related
- 1994-05-03 WO PCT/FR1994/000511 patent/WO1994025996A1/en active IP Right Grant
- 1994-05-03 EP EP94915581A patent/EP0649571B1/en not_active Expired - Lifetime
-
1995
- 1995-01-03 FI FI950033A patent/FI115332B/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
DE69420924D1 (en) | 1999-11-04 |
EP0649571B1 (en) | 1999-09-29 |
FR2704983B1 (en) | 1995-06-09 |
WO1994025996A1 (en) | 1994-11-10 |
FR2704983A1 (en) | 1994-11-10 |
DE69420924T2 (en) | 2000-05-04 |
FI115332B (en) | 2005-04-15 |
EP0649571A1 (en) | 1995-04-26 |
FI950033A0 (en) | 1995-01-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Patent granted |
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