DE58905789D1 - Hochfrequenz-bandpassfilter. - Google Patents
Hochfrequenz-bandpassfilter.Info
- Publication number
- DE58905789D1 DE58905789D1 DE89908824T DE58905789T DE58905789D1 DE 58905789 D1 DE58905789 D1 DE 58905789D1 DE 89908824 T DE89908824 T DE 89908824T DE 58905789 T DE58905789 T DE 58905789T DE 58905789 D1 DE58905789 D1 DE 58905789D1
- Authority
- DE
- Germany
- Prior art keywords
- high frequency
- frequency band
- pass filter
- band pass
- 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
- 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
- H01P1/20354—Non-comb or non-interdigital filters
- H01P1/20363—Linear resonators
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 |
---|---|---|---|
DE3835480A DE3835480A1 (de) | 1988-10-18 | 1988-10-18 | Hochfrequenz-bandpassfilter |
PCT/EP1989/000902 WO1990004861A1 (de) | 1988-10-18 | 1989-08-01 | Hochfrequenz-bandpassfilter |
Publications (1)
Publication Number | Publication Date |
---|---|
DE58905789D1 true DE58905789D1 (de) | 1993-11-04 |
Family
ID=6365389
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3835480A Withdrawn DE3835480A1 (de) | 1988-10-18 | 1988-10-18 | Hochfrequenz-bandpassfilter |
DE89908824T Expired - Fee Related DE58905789D1 (de) | 1988-10-18 | 1989-08-01 | Hochfrequenz-bandpassfilter. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3835480A Withdrawn DE3835480A1 (de) | 1988-10-18 | 1988-10-18 | Hochfrequenz-bandpassfilter |
Country Status (4)
Country | Link |
---|---|
US (1) | US5136269A (de) |
EP (1) | EP0440661B1 (de) |
DE (2) | DE3835480A1 (de) |
WO (1) | WO1990004861A1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2246670B (en) * | 1990-08-03 | 1995-04-12 | Mohammad Reza Moazzam | Microstrip coupled lines filters with improved performance |
DE4213195C2 (de) * | 1992-04-22 | 1995-01-19 | Rohde & Schwarz | Mehrkreisiges Leitungsfilter |
EP0600118B1 (de) * | 1992-12-01 | 1998-05-27 | Siemens Aktiengesellschaft | Spannungsgesteuerter Mikrowellen-Oszillator |
US5442330A (en) * | 1993-12-27 | 1995-08-15 | Motorola, Inc. | Coupled line filter with improved out-of-band rejection |
KR20010094784A (ko) * | 2000-04-06 | 2001-11-03 | 윤종용 | 커패시터 보상회로를 갖는 콤라인 구조의 무선필터 |
KR100392682B1 (ko) * | 2001-02-26 | 2003-07-28 | 삼성전자주식회사 | 주파수 차단회로를 가지는 콤라인 구조의 무선필터 및 그구현 방법 |
JP2005117433A (ja) * | 2003-10-08 | 2005-04-28 | Eudyna Devices Inc | フィルタ |
JP4230467B2 (ja) * | 2005-02-25 | 2009-02-25 | 日本電波工業株式会社 | コプレーナライン型の共振器を用いた高周波フィルタ |
KR100675393B1 (ko) * | 2005-02-25 | 2007-01-29 | 삼성전자주식회사 | 집중소자 커패시터와 접지를 이용하여 소형화한 평행결합선로 필터 및 그 제조방법 |
JP4720907B2 (ja) * | 2006-09-28 | 2011-07-13 | 株式会社村田製作所 | 誘電体フィルタ、チップ素子、およびチップ素子製造方法 |
JP5464864B2 (ja) * | 2009-02-25 | 2014-04-09 | 京セラ株式会社 | フィルタ回路ならびにそれを用いた無線通信モジュールおよび無線通信機器 |
JP5936133B2 (ja) * | 2011-01-28 | 2016-06-15 | 国立大学法人電気通信大学 | 伝送線路共振器並びに伝送線路共振器を用いた帯域通過フィルタ、分波器、平衡−不平衡変換器、電力分配器、不平衡−平衡変換器、周波数混合器及びバランス型フィルタ |
US10249582B2 (en) * | 2016-12-19 | 2019-04-02 | Nxp Usa, Inc. | Radio frequency (RF) devices with resonant circuits to reduce coupling |
US10581132B2 (en) * | 2017-05-11 | 2020-03-03 | Eagantu Ltd. | Tuneable band pass filter |
WO2018208368A1 (en) | 2017-05-11 | 2018-11-15 | Eagantu Ltd. | Compact band pass filter |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1358980A (en) * | 1971-06-15 | 1974-07-03 | Ferranti Ltd | Microwave filters |
FR2510326A1 (fr) * | 1981-07-24 | 1983-01-28 | Thomson Csf | Filtre passe-bande a resonateurs lineaires ouverts a leurs deux extremites |
FR2540294B1 (fr) * | 1983-01-31 | 1985-10-04 | Thomson Csf | Filtre hyperfrequence a resonateurs lineaires |
JPS61177001A (ja) * | 1985-01-31 | 1986-08-08 | Maspro Denkoh Corp | マイクロ波フイルタ |
FR2613557A1 (fr) * | 1987-03-31 | 1988-10-07 | Thomson Csf | Filtre comportant des elements a constantes reparties associant deux types de couplage |
FR2613538A1 (fr) * | 1987-03-31 | 1988-10-07 | Thomson Csf | Filtre hyperfrequence |
JPH02146801A (ja) * | 1988-11-28 | 1990-06-06 | Fujitsu Ltd | 中心周波数可変帯域通過フィルタ |
-
1988
- 1988-10-18 DE DE3835480A patent/DE3835480A1/de not_active Withdrawn
-
1989
- 1989-08-01 EP EP89908824A patent/EP0440661B1/de not_active Expired - Lifetime
- 1989-08-01 DE DE89908824T patent/DE58905789D1/de not_active Expired - Fee Related
- 1989-08-01 WO PCT/EP1989/000902 patent/WO1990004861A1/de active IP Right Grant
-
1991
- 1991-02-22 US US07/660,560 patent/US5136269A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE3835480A1 (de) | 1990-04-19 |
WO1990004861A1 (de) | 1990-05-03 |
US5136269A (en) | 1992-08-04 |
EP0440661B1 (de) | 1993-09-29 |
EP0440661A1 (de) | 1991-08-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |