SE519534C2 - Dielektriskt filter - Google Patents
Dielektriskt filterInfo
- Publication number
- SE519534C2 SE519534C2 SE9804295A SE9804295A SE519534C2 SE 519534 C2 SE519534 C2 SE 519534C2 SE 9804295 A SE9804295 A SE 9804295A SE 9804295 A SE9804295 A SE 9804295A SE 519534 C2 SE519534 C2 SE 519534C2
- Authority
- SE
- Sweden
- Prior art keywords
- resonant
- dielectric
- holes
- dielectric block
- conductive material
- Prior art date
Links
- 239000004020 conductor Substances 0.000 claims abstract description 79
- 230000008878 coupling Effects 0.000 claims abstract description 54
- 238000010168 coupling process Methods 0.000 claims abstract description 54
- 238000005859 coupling reaction Methods 0.000 claims abstract description 54
- 238000001914 filtration Methods 0.000 claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000006880 cross-coupling reaction Methods 0.000 claims description 13
- 230000004075 alteration Effects 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 6
- 238000007639 printing Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010295 mobile communication Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005685 electric field effect Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 230000005426 magnetic field effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 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
- H01P1/205—Comb or interdigital filters; Cascaded coaxial cavities
- H01P1/2056—Comb filters or interdigital filters with metallised resonator holes in a dielectric block
-
- 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
- H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
- H01P1/2136—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies using comb or interdigital filters; using cascaded coaxial cavities
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10690198P | 1998-11-03 | 1998-11-03 |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9804295D0 SE9804295D0 (sv) | 1998-12-11 |
SE9804295L SE9804295L (sv) | 2000-05-04 |
SE519534C2 true SE519534C2 (sv) | 2003-03-11 |
Family
ID=22313870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9804295A SE519534C2 (sv) | 1998-11-03 | 1998-12-11 | Dielektriskt filter |
Country Status (10)
Country | Link |
---|---|
US (1) | US6169464B1 (de) |
JP (1) | JP2000151212A (de) |
CN (1) | CN1259774A (de) |
AT (1) | AT410868B (de) |
BR (1) | BR9900035A (de) |
DE (1) | DE19857358A1 (de) |
FR (1) | FR2785472B1 (de) |
GB (1) | GB2343554A (de) |
SE (1) | SE519534C2 (de) |
TW (1) | TW409458B (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000174503A (ja) * | 1998-12-10 | 2000-06-23 | Ngk Spark Plug Co Ltd | 誘電体フィルタ及び該フィルタの周波数帯域幅の調整 方法 |
JP2000295008A (ja) * | 1999-02-03 | 2000-10-20 | Murata Mfg Co Ltd | 誘電体共振器装置、誘電体フィルタ、誘電体デュプレクサ、通信機および誘電体共振器装置の入出力電極形成方法 |
KR20020006097A (ko) * | 2000-07-11 | 2002-01-19 | 이형도 | 일체형 유전체 필터 |
KR20020006098A (ko) * | 2000-07-11 | 2002-01-19 | 이형도 | 일체형 유전체 필터 |
WO2007142786A1 (en) * | 2006-05-31 | 2007-12-13 | Cts Corporation | Ceramic monoblock filter with inductive direct-coupling and quadruplet cross-coupling |
CN104466315B (zh) * | 2014-12-08 | 2017-11-24 | 上海华为技术有限公司 | 横电磁模介质滤波器、射频模块及基站 |
Family Cites Families (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE383182B (sv) | 1974-07-04 | 1976-03-01 | Ifoe Ab | Anordning for fordelning av spolvetska i en klosettskal |
JPS5296846A (en) | 1976-02-10 | 1977-08-15 | Murata Manufacturing Co | Filter |
JPS58204601A (ja) * | 1982-05-24 | 1983-11-29 | Murata Mfg Co Ltd | 分布定数形フイルタの帯域巾調整方法 |
US4742562A (en) | 1984-09-27 | 1988-05-03 | Motorola, Inc. | Single-block dual-passband ceramic filter useable with a transceiver |
US4716391A (en) | 1986-07-25 | 1987-12-29 | Motorola, Inc. | Multiple resonator component-mountable filter |
US4879533A (en) | 1988-04-01 | 1989-11-07 | Motorola, Inc. | Surface mount filter with integral transmission line connection |
US4823098A (en) * | 1988-06-14 | 1989-04-18 | Motorola, Inc. | Monolithic ceramic filter with bandstop function |
JPH03236603A (ja) | 1990-02-14 | 1991-10-22 | Oki Electric Ind Co Ltd | 誘電体フィルタ |
JPH03293802A (ja) * | 1990-04-11 | 1991-12-25 | Murata Mfg Co Ltd | 誘電体フィルタ |
US5004992A (en) * | 1990-05-25 | 1991-04-02 | Motorola, Inc. | Multi-resonator ceramic filter and method for tuning and adjusting the resonators thereof |
US5230093A (en) * | 1991-05-03 | 1993-07-20 | Rich Randall W | Transmitter filter with integral directional coupler for cellular telephones |
DE69327118T2 (de) * | 1992-01-22 | 2000-06-15 | Murata Manufacturing Co | Dielektrischer Resonator und Verfahren zum Justieren eines dielektrischen Resonators |
US5537082A (en) * | 1993-02-25 | 1996-07-16 | Murata Manufacturing Co., Ltd. | Dielectric resonator apparatus including means for adjusting the degree of coupling |
US5537085A (en) | 1994-04-28 | 1996-07-16 | Motorola, Inc. | Interdigital ceramic filter with transmission zero |
JP3160157B2 (ja) * | 1994-07-21 | 2001-04-23 | アルプス電気株式会社 | 誘電体フィルタ |
JP3022202B2 (ja) | 1994-09-16 | 2000-03-15 | 住友金属鉱山株式会社 | 同軸形誘電体フィルタ |
EP0704924B1 (de) * | 1994-09-27 | 2000-01-26 | Murata Manufacturing Co. Ltd. | Dielektrisches Filter |
JPH09107206A (ja) * | 1995-08-04 | 1997-04-22 | Ngk Spark Plug Co Ltd | 誘電体フィルタ及びその結合容量調整方法 |
FI953962A (fi) | 1995-08-23 | 1997-02-24 | Lk Products Oy | Esto-ominaisuuksiltaan säädettävä kaistanpäästosuodatin |
US5793267A (en) * | 1996-03-07 | 1998-08-11 | Murata Manufacturing Co., Ltd. | Dielectric block filter having first and second resonator arrays coupled together |
US5844454A (en) | 1996-03-29 | 1998-12-01 | Ngk Spark Plug Co., Ltd. | Dielectric filter with non-conductive edge |
JPH1051206A (ja) | 1996-08-02 | 1998-02-20 | Tokin Corp | 誘電体フィルタ及びその製造方法 |
JPH1065404A (ja) | 1996-08-13 | 1998-03-06 | K Lab:Kk | 帯域通過フィルタ |
JPH10126107A (ja) * | 1996-08-30 | 1998-05-15 | Ngk Spark Plug Co Ltd | 誘電体フィルタ |
JPH1098305A (ja) | 1996-09-24 | 1998-04-14 | Sumitomo Metal Mining Co Ltd | 同軸形誘電体フィルタ |
JPH10107502A (ja) | 1996-09-25 | 1998-04-24 | Sumitomo Metal Mining Co Ltd | 同軸形誘電体フィルタ |
JPH10126106A (ja) * | 1996-10-18 | 1998-05-15 | Ngk Spark Plug Co Ltd | 誘電体フィルタ |
JPH10145110A (ja) * | 1996-11-05 | 1998-05-29 | Murata Mfg Co Ltd | 複合誘電体フィルタ |
JPH10270908A (ja) | 1997-03-24 | 1998-10-09 | Sumitomo Metal Mining Co Ltd | 同軸形誘電体フィルタ |
JPH10270907A (ja) | 1997-03-24 | 1998-10-09 | Sumitomo Metal Mining Co Ltd | 同軸形誘電体フィルタ |
-
1998
- 1998-12-08 TW TW087120378A patent/TW409458B/zh not_active IP Right Cessation
- 1998-12-09 AT AT0206398A patent/AT410868B/de not_active IP Right Cessation
- 1998-12-10 FR FR9815845A patent/FR2785472B1/fr not_active Expired - Fee Related
- 1998-12-11 SE SE9804295A patent/SE519534C2/sv not_active IP Right Cessation
- 1998-12-11 US US09/209,710 patent/US6169464B1/en not_active Expired - Fee Related
- 1998-12-11 GB GB9827465A patent/GB2343554A/en not_active Withdrawn
- 1998-12-11 DE DE19857358A patent/DE19857358A1/de not_active Ceased
- 1998-12-18 JP JP10360899A patent/JP2000151212A/ja active Pending
- 1998-12-24 CN CN98111748.1A patent/CN1259774A/zh active Pending
-
1999
- 1999-01-11 BR BR9900035-0A patent/BR9900035A/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN1259774A (zh) | 2000-07-12 |
SE9804295D0 (sv) | 1998-12-11 |
AT410868B (de) | 2003-08-25 |
GB9827465D0 (en) | 1999-02-10 |
FR2785472A1 (fr) | 2000-05-05 |
DE19857358A1 (de) | 2000-05-18 |
BR9900035A (pt) | 2000-09-05 |
FR2785472B1 (fr) | 2001-06-01 |
ATA206398A (de) | 2002-12-15 |
TW409458B (en) | 2000-10-21 |
GB2343554A (en) | 2000-05-10 |
JP2000151212A (ja) | 2000-05-30 |
US6169464B1 (en) | 2001-01-02 |
SE9804295L (sv) | 2000-05-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7312676B2 (en) | Multilayer band pass filter | |
EP1122812B1 (de) | Oberflächenmontierte Antenne und Kommunikationsvorrichtung mit einer derartigen Antenne | |
US5103197A (en) | Ceramic band-pass filter | |
JPH09219619A (ja) | 表面実装型アンテナおよびこれを用いた通信機 | |
JPH11136002A (ja) | 誘電体フィルタ及び誘電体フィルタの通過帯域特性を調整する方法 | |
SE519534C2 (sv) | Dielektriskt filter | |
US6150905A (en) | Dielectric filter with through-hole having large and small diameter portions and a coupling adjustment portion | |
KR100262498B1 (ko) | 일체형유전체필터 | |
US6235341B1 (en) | Method of preparing a high frequency dielectric filter device using screen printing | |
KR100262499B1 (ko) | 일체형듀플렉서유전체필터 | |
JP6885508B2 (ja) | アンテナ装置 | |
KR100311809B1 (ko) | 유전체필터 | |
US6169465B1 (en) | Duplexer dielectric filter | |
US5821835A (en) | Dielectric filter and method of regulating its frequency bandwidth | |
US6304159B1 (en) | Dielectric filter with adjustable frequency bandwidth | |
CA1041619A (en) | Adjustable interdigital microwave filter | |
KR100340405B1 (ko) | 듀플렉서 유전체 필터 | |
GB2339341A (en) | Duplexer dielectric filter | |
KR100332878B1 (ko) | 듀플렉서 유전체 필터 | |
KR100330685B1 (ko) | 감쇠극을 갖는 일체형 유전체 필터 | |
EP0797267B1 (de) | Funkfrequenzfilter | |
CN115441138A (zh) | 一种薄膜微带滤波器 | |
KR100305577B1 (ko) | 유전체 듀플렉서의 제조방법 | |
KR100290292B1 (ko) | 유전체 세라믹 공진기 및 이를 이용한 유전체 필터8 | |
JPH05102705A (ja) | セラミツク製帯域消去フイルター |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |