DE68915408T2 - Passives Bandpassfilter. - Google Patents
Passives Bandpassfilter.Info
- Publication number
- DE68915408T2 DE68915408T2 DE68915408T DE68915408T DE68915408T2 DE 68915408 T2 DE68915408 T2 DE 68915408T2 DE 68915408 T DE68915408 T DE 68915408T DE 68915408 T DE68915408 T DE 68915408T DE 68915408 T2 DE68915408 T2 DE 68915408T2
- Authority
- DE
- Germany
- Prior art keywords
- filter
- impedance
- input
- substrate
- microbands
- 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
- 239000000758 substrate Substances 0.000 claims abstract description 27
- 230000008878 coupling Effects 0.000 claims abstract description 11
- 238000010168 coupling process Methods 0.000 claims abstract description 11
- 238000005859 coupling reaction Methods 0.000 claims abstract description 11
- 238000005516 engineering process Methods 0.000 claims description 5
- 230000006872 improvement Effects 0.000 abstract description 5
- 238000012986 modification Methods 0.000 abstract description 2
- 230000004048 modification Effects 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract 1
- 238000001465 metallisation Methods 0.000 description 7
- 230000001629 suppression Effects 0.000 description 6
- 239000000919 ceramic Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 238000001771 vacuum deposition 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
- H01P1/203—Strip line filters
- H01P1/20327—Electromagnetic interstage coupling
- H01P1/20336—Comb or interdigital filters
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Filters And Equalizers (AREA)
- Networks Using Active Elements (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8815664A FR2639776B1 (fr) | 1988-11-30 | 1988-11-30 | Filtre passif passe-bande |
| FR898908017A FR2648641B2 (fr) | 1988-11-30 | 1989-06-16 | Filtre passif passe-bande |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE68915408D1 DE68915408D1 (de) | 1994-06-23 |
| DE68915408T2 true DE68915408T2 (de) | 1994-09-08 |
Family
ID=26227020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE68915408T Expired - Fee Related DE68915408T2 (de) | 1988-11-30 | 1989-11-24 | Passives Bandpassfilter. |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0373028B1 (fr) |
| AT (1) | ATE105976T1 (fr) |
| CA (1) | CA2004184A1 (fr) |
| DE (1) | DE68915408T2 (fr) |
| FI (1) | FI895714A0 (fr) |
| FR (1) | FR2648641B2 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6265954B1 (en) | 1996-12-18 | 2001-07-24 | Siemens Aktiengesellschaft | Microwave filter |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2669476A1 (fr) * | 1990-11-21 | 1992-05-22 | Valtronic France | Filtre passif passe-bande. |
| ES2143964B1 (es) * | 1998-09-15 | 2000-12-01 | Univ Catalunya Politecnica | Diplexor dual para telefonia celular gsm y dcs. |
| KR100392682B1 (ko) * | 2001-02-26 | 2003-07-28 | 삼성전자주식회사 | 주파수 차단회로를 가지는 콤라인 구조의 무선필터 및 그구현 방법 |
| US10862185B2 (en) | 2017-12-01 | 2020-12-08 | Semiconductor Components Industries, Llc | Integrated circuit with capacitor in different layer than transmission line |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1906059A1 (de) * | 1969-02-07 | 1970-08-13 | Licentia Gmbh | Kammfilter |
| JPS49119170A (fr) * | 1973-03-19 | 1974-11-14 | ||
| DE2407313A1 (de) * | 1974-02-15 | 1975-08-21 | Kathrein Werke Kg | Resonatoranordnung |
| US4253073A (en) * | 1978-08-17 | 1981-02-24 | Communications Satellite Corporation | Single ground plane interdigital band-pass filter apparatus and method |
| US4706050A (en) * | 1984-09-22 | 1987-11-10 | Smiths Industries Public Limited Company | Microstrip devices |
| FR2578104B1 (fr) * | 1985-02-27 | 1987-03-20 | Alcatel Thomson Faisceaux | Filtre passe-bande pour hyperfrequences |
| US4740765A (en) * | 1985-09-30 | 1988-04-26 | Murata Manufacturing Co., Ltd. | Dielectric filter |
| JPS62260401A (ja) * | 1986-05-02 | 1987-11-12 | Murata Mfg Co Ltd | ストリツプラインフイルタ |
| FR2613557A1 (fr) * | 1987-03-31 | 1988-10-07 | Thomson Csf | Filtre comportant des elements a constantes reparties associant deux types de couplage |
-
1989
- 1989-06-16 FR FR898908017A patent/FR2648641B2/fr not_active Expired - Lifetime
- 1989-11-24 AT AT89403257T patent/ATE105976T1/de active
- 1989-11-24 EP EP89403257A patent/EP0373028B1/fr not_active Expired - Lifetime
- 1989-11-24 DE DE68915408T patent/DE68915408T2/de not_active Expired - Fee Related
- 1989-11-29 CA CA002004184A patent/CA2004184A1/fr not_active Abandoned
- 1989-11-29 FI FI895714A patent/FI895714A0/fi not_active Application Discontinuation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6265954B1 (en) | 1996-12-18 | 2001-07-24 | Siemens Aktiengesellschaft | Microwave filter |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2648641B2 (fr) | 1994-09-09 |
| ATE105976T1 (de) | 1994-06-15 |
| CA2004184A1 (fr) | 1990-05-31 |
| EP0373028B1 (fr) | 1994-05-18 |
| FR2648641A2 (fr) | 1990-12-21 |
| DE68915408D1 (de) | 1994-06-23 |
| EP0373028A1 (fr) | 1990-06-13 |
| FI895714A0 (fi) | 1989-11-29 |
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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 |