ITRM930345A0 - Struttura di filtro dielettrico multi-passa-banda. - Google Patents
Struttura di filtro dielettrico multi-passa-banda.Info
- Publication number
- ITRM930345A0 ITRM930345A0 IT93RM345A ITRM930345A ITRM930345A0 IT RM930345 A0 ITRM930345 A0 IT RM930345A0 IT 93RM345 A IT93RM345 A IT 93RM345A IT RM930345 A ITRM930345 A IT RM930345A IT RM930345 A0 ITRM930345 A0 IT RM930345A0
- Authority
- IT
- Italy
- Prior art keywords
- band pass
- filter structure
- dielectric filter
- pass dielectric
- band
- 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
- H01P1/205—Comb or interdigital filters; Cascaded coaxial cavities
- H01P1/2056—Comb filters or interdigital filters with metallised resonator holes in a dielectric block
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Developing Agents For Electrophotography (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US88808992A | 1992-05-26 | 1992-05-26 |
Publications (3)
Publication Number | Publication Date |
---|---|
ITRM930345A0 true ITRM930345A0 (it) | 1993-05-24 |
ITRM930345A1 ITRM930345A1 (it) | 1994-11-24 |
IT1261678B IT1261678B (it) | 1996-05-29 |
Family
ID=25392506
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITRM930345A IT1261678B (it) | 1992-05-26 | 1993-05-24 | Struttura di filtro dielettrico multi-passa-banda. |
Country Status (9)
Country | Link |
---|---|
JP (1) | JP3205337B2 (it) |
KR (1) | KR970000059B1 (it) |
CN (1) | CN1029340C (it) |
CA (1) | CA2114029C (it) |
FI (1) | FI940399A (it) |
FR (1) | FR2693037B1 (it) |
GB (1) | GB2273393B (it) |
IT (1) | IT1261678B (it) |
WO (1) | WO1993024968A1 (it) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4319241A1 (de) * | 1993-06-09 | 1994-12-15 | Siemens Matsushita Components | Monolithisches Mikrowellen-Keramikfilter |
US5502422A (en) * | 1994-08-12 | 1996-03-26 | Motorola, Inc. | Filter with an adjustable shunt zero |
US5748058A (en) * | 1995-02-03 | 1998-05-05 | Teledyne Industries, Inc. | Cross coupled bandpass 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 |
US6087909A (en) * | 1996-03-06 | 2000-07-11 | Murata Manufacturing Co., Ltd. | Dielectric filter having at least one stepped resonator hole with an elongated cross-section |
JPH10308604A (ja) * | 1997-03-05 | 1998-11-17 | Murata Mfg Co Ltd | 誘電体フィルタ、誘電体デュプレクサおよびそれらの設計方法 |
ATE280441T1 (de) * | 1998-03-18 | 2004-11-15 | Epcos Ag | Mikrowellen-keramikfilter mit verbesserter flankensteilheit |
JPH11312902A (ja) * | 1998-04-30 | 1999-11-09 | Murata Mfg Co Ltd | 誘電体フィルタ、送受共用器および通信機 |
TW472444B (en) * | 1998-07-08 | 2002-01-11 | Samsung Electro Mech | A duplexer dielectric filter |
US6169465B1 (en) | 1998-07-08 | 2001-01-02 | Samsung Electro-Mechanics Co., Ltd. | Duplexer dielectric filter |
KR100375583B1 (ko) * | 2000-11-18 | 2003-03-15 | 센티스 주식회사 | 고차모드 고조파의 제거 및 스커트와 스푸리어스주파수특성을 향상시킨 유전체 필터 및 듀플렉서 유전체필터 |
JP3788384B2 (ja) * | 2001-05-30 | 2006-06-21 | 株式会社村田製作所 | 誘電体フィルタ、誘電体デュプレクサ、および通信装置 |
JP2003318606A (ja) | 2002-04-23 | 2003-11-07 | Sanyo Electric Co Ltd | 誘電体フィルタ |
JP3883902B2 (ja) | 2002-04-25 | 2007-02-21 | 三洋電機株式会社 | 誘電体フィルタ |
US9202660B2 (en) | 2013-03-13 | 2015-12-01 | Teledyne Wireless, Llc | Asymmetrical slow wave structures to eliminate backward wave oscillations in wideband traveling wave tubes |
CN103246538B (zh) * | 2013-05-16 | 2016-12-28 | 中国电子科技集团公司第四十一研究所 | 使微波仪器电路板智能化的插件方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6152003A (ja) * | 1984-08-21 | 1986-03-14 | Murata Mfg Co Ltd | 誘電体フイルタ |
US4742562A (en) * | 1984-09-27 | 1988-05-03 | Motorola, Inc. | Single-block dual-passband ceramic filter useable with a transceiver |
US4954796A (en) * | 1986-07-25 | 1990-09-04 | Motorola, Inc. | Multiple resonator dielectric filter |
JPH01213002A (ja) * | 1988-02-22 | 1989-08-25 | Fuji Elelctrochem Co Ltd | 誘電体分波器 |
US4879533A (en) * | 1988-04-01 | 1989-11-07 | Motorola, Inc. | Surface mount filter with integral transmission line connection |
US5109536A (en) * | 1989-10-27 | 1992-04-28 | Motorola, Inc. | Single-block filter for antenna duplexing and antenna-summed diversity |
US5208566A (en) * | 1992-01-21 | 1993-05-04 | Motorola, Inc. | Dielectric filter having adjacently-positioned resonators of dissimilar cross-sectional dimensions and notched side surface |
-
1993
- 1993-04-19 CA CA002114029A patent/CA2114029C/en not_active Expired - Lifetime
- 1993-04-19 KR KR1019940700215A patent/KR970000059B1/ko not_active IP Right Cessation
- 1993-04-19 WO PCT/US1993/003693 patent/WO1993024968A1/en active Application Filing
- 1993-04-19 GB GB9400899A patent/GB2273393B/en not_active Expired - Lifetime
- 1993-04-19 JP JP50052694A patent/JP3205337B2/ja not_active Expired - Lifetime
- 1993-05-24 IT ITRM930345A patent/IT1261678B/it active IP Right Grant
- 1993-05-25 CN CN93106228.4A patent/CN1029340C/zh not_active Expired - Fee Related
- 1993-05-26 FR FR9306297A patent/FR2693037B1/fr not_active Expired - Lifetime
-
1994
- 1994-01-26 FI FI940399A patent/FI940399A/fi unknown
Also Published As
Publication number | Publication date |
---|---|
CA2114029C (en) | 1997-11-18 |
CN1082773A (zh) | 1994-02-23 |
ITRM930345A1 (it) | 1994-11-24 |
JP3205337B2 (ja) | 2001-09-04 |
KR970000059B1 (ko) | 1997-01-04 |
FI940399A0 (fi) | 1994-01-26 |
IT1261678B (it) | 1996-05-29 |
WO1993024968A1 (en) | 1993-12-09 |
FI940399A (fi) | 1994-01-26 |
GB9400899D0 (en) | 1994-04-13 |
JPH06509693A (ja) | 1994-10-27 |
CA2114029A1 (en) | 1993-12-09 |
GB2273393A (en) | 1994-06-15 |
FR2693037B1 (fr) | 1995-08-04 |
CN1029340C (zh) | 1995-07-12 |
GB2273393B (en) | 1996-09-04 |
FR2693037A1 (fr) | 1993-12-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19960509 |