AU466409B2 - Improvements in and relating to microwave filters - Google Patents
Improvements in and relating to microwave filtersInfo
- Publication number
- AU466409B2 AU466409B2 AU33073/71A AU3307371A AU466409B2 AU 466409 B2 AU466409 B2 AU 466409B2 AU 33073/71 A AU33073/71 A AU 33073/71A AU 3307371 A AU3307371 A AU 3307371A AU 466409 B2 AU466409 B2 AU 466409B2
- Authority
- AU
- Australia
- Prior art keywords
- relating
- microwave filters
- microwave
- filters
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
- H01P7/06—Cavity resonators
-
- 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
- H01P1/219—Evanescent mode filters
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2045560A DE2045560C3 (en) | 1970-09-15 | 1970-09-15 | Microwave filters made from cuboid cavity resonators |
DEDE820455 | 1970-09-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU3307371A AU3307371A (en) | 1973-03-08 |
AU466409B2 true AU466409B2 (en) | 1975-10-30 |
Family
ID=5782473
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU33073/71A Expired AU466409B2 (en) | 1970-09-15 | 1971-09-03 | Improvements in and relating to microwave filters |
Country Status (6)
Country | Link |
---|---|
US (1) | US3737816A (en) |
AU (1) | AU466409B2 (en) |
BE (1) | BE772602A (en) |
CH (1) | CH532845A (en) |
DE (1) | DE2045560C3 (en) |
ES (1) | ES395068A1 (en) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3882434A (en) * | 1973-08-01 | 1975-05-06 | Microwave Dev Lab | Phase equalized filter |
US4034319A (en) * | 1976-05-10 | 1977-07-05 | Trw Inc. | Coupled bar microwave bandpass filter |
JPS5390741A (en) * | 1977-01-21 | 1978-08-09 | Nec Corp | Band pass filter |
US4396896A (en) * | 1977-12-30 | 1983-08-02 | Communications Satellite Corporation | Multiple coupled cavity waveguide bandpass filters |
US4246555A (en) * | 1978-07-19 | 1981-01-20 | Communications Satellite Corporation | Odd order elliptic function narrow band-pass microwave filter |
FR2477783A1 (en) * | 1980-03-04 | 1981-09-11 | Thomson Csf | VARIABLE CAPABILITY ADAPTER DEVICE AND TUNABLE HYPERFREQUENCY FILTER HAVING AT LEAST ONE SUCH DEVICE |
US4360793A (en) * | 1981-04-02 | 1982-11-23 | Rhodes John D | Extracted pole filter |
CA1192635A (en) * | 1983-05-16 | 1985-08-27 | Northern Telecom Limited | Microwave cavity tuner |
NL8302439A (en) * | 1983-07-08 | 1985-02-01 | Philips Nv | A METHOD FOR MANUFACTURING A WAVE GUIDE FILTER AND A WAVE GUIDE FILTER MADE BY THAT METHOD |
US4794354A (en) * | 1987-09-25 | 1988-12-27 | Honeywell Incorporated | Apparatus and method for modifying microwave |
FR2638902A1 (en) * | 1988-11-04 | 1990-05-11 | Portenseigne Radiotechnique | UHF BANDPASS FILTER |
FR2665577B1 (en) * | 1990-07-31 | 1992-11-20 | Alcatel Telspace | POWER MICROFREQUENCY FILTER, IN PARTICULAR OUTPUT FILTER FOR RADIO COMMUNICATION TRANSMITTER. |
US5406233A (en) * | 1991-02-08 | 1995-04-11 | Massachusetts Institute Of Technology | Tunable stripline devices |
US5153541A (en) * | 1991-05-20 | 1992-10-06 | At&T Bell Laboratories | Folded interdigital notch filter |
US5243309A (en) * | 1992-06-04 | 1993-09-07 | Ghz Technologies Inc. | Temperature stable folded waveguide filter of reduced length |
US5410284A (en) * | 1992-12-09 | 1995-04-25 | Allen Telecom Group, Inc. | Folded multiple bandpass filter with various couplings |
US5608363A (en) * | 1994-04-01 | 1997-03-04 | Com Dev Ltd. | Folded single mode dielectric resonator filter with cross couplings between non-sequential adjacent resonators and cross diagonal couplings between non-sequential contiguous resonators |
US5841330A (en) * | 1995-03-23 | 1998-11-24 | Bartley Machines & Manufacturing | Series coupled filters where the first filter is a dielectric resonator filter with cross-coupling |
US5781085A (en) * | 1996-11-27 | 1998-07-14 | L-3 Communications Narda Microwave West | Polarity reversal network |
US5777534A (en) * | 1996-11-27 | 1998-07-07 | L-3 Communications Narda Microwave West | Inductor ring for providing tuning and coupling in a microwave dielectric resonator filter |
US6275124B1 (en) * | 1998-07-24 | 2001-08-14 | Lucent Technologies Inc. | Delay line filter having a single cross-coupled pair of elements |
US5919562A (en) * | 1998-10-13 | 1999-07-06 | Gm Nameplate, Inc. | Repositionable mouse pad |
CN1184718C (en) * | 2000-05-23 | 2005-01-12 | 松下电器产业株式会社 | Dielectric medium resonant filter and unnecessary mode and inhibiting method |
US6836198B2 (en) * | 2001-12-21 | 2004-12-28 | Radio Frequency Systems, Inc. | Adjustable capacitive coupling structure |
JP4745189B2 (en) * | 2006-10-06 | 2011-08-10 | 三菱電機株式会社 | Band pass filter |
US9466864B2 (en) * | 2014-04-10 | 2016-10-11 | Cts Corporation | RF duplexer filter module with waveguide filter assembly |
KR20150112179A (en) * | 2014-03-27 | 2015-10-07 | 한국전자통신연구원 | Waveguide Band Pass Filter using Short-circuit Stub for Out-of-Band Improvement |
CN107615572B (en) * | 2014-12-30 | 2019-11-26 | 深圳市大富科技股份有限公司 | Cavity body filter and radio frequency remote equipment, signal receiving/transmission device and tower amplifier |
RU197717U1 (en) * | 2020-01-29 | 2020-05-25 | Акционерное общество «Российская корпорация ракетно-космического приборостроения и информационных систем» (АО «Российские космические системы») | Microwave filter |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2594037A (en) * | 1946-08-28 | 1952-04-22 | Rca Corp | Ultrahigh-frequency filter |
US2749523A (en) * | 1951-12-01 | 1956-06-05 | Itt | Band pass filters |
US3137828A (en) * | 1961-08-01 | 1964-06-16 | Scope Inc | Wave guide filter having resonant cavities made of joined parts |
NL297026A (en) * | 1962-08-24 |
-
1970
- 1970-09-15 DE DE2045560A patent/DE2045560C3/en not_active Expired
-
1971
- 1971-08-05 US US00169417A patent/US3737816A/en not_active Expired - Lifetime
- 1971-09-03 AU AU33073/71A patent/AU466409B2/en not_active Expired
- 1971-09-13 CH CH1339971A patent/CH532845A/en not_active IP Right Cessation
- 1971-09-14 ES ES395068A patent/ES395068A1/en not_active Expired
- 1971-09-15 BE BE772602A patent/BE772602A/en unknown
Also Published As
Publication number | Publication date |
---|---|
ES395068A1 (en) | 1975-11-16 |
AU3307371A (en) | 1973-03-08 |
CH532845A (en) | 1973-01-15 |
US3737816A (en) | 1973-06-05 |
DE2045560B2 (en) | 1977-07-14 |
DE2045560C3 (en) | 1978-03-09 |
BE772602A (en) | 1972-03-15 |
DE2045560A1 (en) | 1972-03-16 |
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