GB1450803A - Microwave circulators - Google Patents
Microwave circulatorsInfo
- Publication number
- GB1450803A GB1450803A GB4770873A GB4770873A GB1450803A GB 1450803 A GB1450803 A GB 1450803A GB 4770873 A GB4770873 A GB 4770873A GB 4770873 A GB4770873 A GB 4770873A GB 1450803 A GB1450803 A GB 1450803A
- Authority
- GB
- United Kingdom
- Prior art keywords
- junction
- layers
- ground plane
- dielectric
- oct
- 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
- H01P1/00—Auxiliary devices
- H01P1/32—Non-reciprocal transmission devices
- H01P1/38—Circulators
- H01P1/383—Junction circulators, e.g. Y-circulators
- H01P1/387—Strip line circulators
Landscapes
- Non-Reversible Transmitting Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2253175A DE2253175A1 (de) | 1972-10-30 | 1972-10-30 | Zirkulator mit in mic-technik ausgebildeten anschlussarmen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1450803A true GB1450803A (en) | 1976-09-29 |
Family
ID=5860424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4770873A Expired GB1450803A (en) | 1972-10-30 | 1973-10-12 | Microwave circulators |
Country Status (15)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4034377A (en) * | 1976-02-17 | 1977-07-05 | Epsilon Lambda Electronics Corporation | Ferrite circulators and isolators and circuits incorporating the same |
| US4286135A (en) * | 1979-10-09 | 1981-08-25 | Raytheon Company | Compact microwave isolator |
| FR2531272B1 (fr) * | 1982-07-27 | 1985-09-13 | Thomson Csf | Dispositif d'adaptation et d'isolement comportant un circulateur a ferrites |
| US4789844A (en) * | 1987-05-29 | 1988-12-06 | Raytheon Company | Broad-band non-reciprocal microwave devices |
| FR2659499B1 (fr) * | 1990-03-09 | 1992-11-27 | Tekelec Airtronic Sa | Systeme de transmission d'energie electrique, aux hyperfrequences, a effet gyromagnetique, tel que circulateur, isolateur ou filtre. |
| US5653841A (en) * | 1995-04-13 | 1997-08-05 | Martin Marietta Corporation | Fabrication of compact magnetic circulator components in microwave packages using high density interconnections |
| JP3348669B2 (ja) | 1998-03-30 | 2002-11-20 | 株式会社村田製作所 | 非可逆回路素子 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3165711A (en) * | 1960-06-10 | 1965-01-12 | Bendix Corp | Anisotropic circulator with dielectric posts adjacent the strip line providing discontinuity for minimizing reflections |
| US3324418A (en) * | 1964-10-23 | 1967-06-06 | Caswell Electronics Corp | Switching circulator having slots extending from the pole pieces to the exterior of the housing to overcome the shorted-turn effect |
| US3456213A (en) * | 1966-12-19 | 1969-07-15 | Rca Corp | Single ground plane junction circulator having dielectric substrate |
| US3466571A (en) * | 1968-02-28 | 1969-09-09 | Motorola Inc | High peak power waveguide junction circulators having inductive posts in each port for tuning circulator |
| US3662291A (en) * | 1970-06-19 | 1972-05-09 | E & M Lab | Waveguide ferrite circulator having conductive side of dielectric disc in contact with ferrite |
-
1972
- 1972-10-30 DE DE2253175A patent/DE2253175A1/de not_active Withdrawn
-
1973
- 1973-10-12 GB GB4770873A patent/GB1450803A/en not_active Expired
- 1973-10-19 AT AT889773A patent/AT336686B/de not_active IP Right Cessation
- 1973-10-22 FR FR7337544A patent/FR2204904B1/fr not_active Expired
- 1973-10-24 US US409251A patent/US3922620A/en not_active Expired - Lifetime
- 1973-10-24 NL NL737314636A patent/NL154628B/xx unknown
- 1973-10-25 CH CH1503073A patent/CH559971A5/xx not_active IP Right Cessation
- 1973-10-26 CA CA184,318A patent/CA995770A/en not_active Expired
- 1973-10-26 IT IT30623/73A patent/IT999000B/it active
- 1973-10-26 PL PL1973166131A patent/PL87136B1/pl unknown
- 1973-10-26 ZA ZA738292A patent/ZA738292B/xx unknown
- 1973-10-29 LU LU68709A patent/LU68709A1/xx unknown
- 1973-10-29 HU HUSI1353A patent/HU167845B/hu unknown
- 1973-10-30 SE SE7314723A patent/SE394768B/xx unknown
- 1973-10-30 BE BE137259A patent/BE806742A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ZA738292B (en) | 1974-10-30 |
| NL7314636A (US20100223739A1-20100909-C00025.png) | 1974-05-02 |
| NL154628B (nl) | 1977-09-15 |
| HU167845B (US20100223739A1-20100909-C00025.png) | 1975-12-25 |
| SE394768B (sv) | 1977-07-04 |
| CH559971A5 (US20100223739A1-20100909-C00025.png) | 1975-03-14 |
| DE2253175A1 (de) | 1974-05-09 |
| US3922620A (en) | 1975-11-25 |
| BE806742A (fr) | 1974-02-15 |
| CA995770A (en) | 1976-08-24 |
| FR2204904B1 (US20100223739A1-20100909-C00025.png) | 1978-02-10 |
| FR2204904A1 (US20100223739A1-20100909-C00025.png) | 1974-05-24 |
| IT999000B (it) | 1976-02-20 |
| USB409251I5 (US20100223739A1-20100909-C00025.png) | 1975-01-28 |
| LU68709A1 (US20100223739A1-20100909-C00025.png) | 1974-01-08 |
| ATA889773A (de) | 1976-09-15 |
| AT336686B (de) | 1977-05-25 |
| PL87136B1 (US20100223739A1-20100909-C00025.png) | 1976-06-30 |
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| DE3686663D1 (de) | Mikrowellen-zirkulator. | |
| GB989149A (en) | Electrical delay line and method of making same | |
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| GB1167898A (en) | Improvements in or relating to Stripline Circulators for High Frequencies. | |
| GB1295357A (US20100223739A1-20100909-C00025.png) | ||
| GB1295270A (US20100223739A1-20100909-C00025.png) | ||
| SU438069A1 (ru) | Циркул тор | |
| Stover et al. | Microwave integrated circulators | |
| GB1482713A (en) | Electrical components | |
| UA2071A1 (uk) | Носій інформації | |
| Kawabata et al. | Broadband microstrip circulators(Microstrip junction circulators with fixed ferrite disks, achieving broadband impedance matching between center conductor and transmission line by transformer on alumina substrate) | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |