FR2212653B1 - - Google Patents
Info
- Publication number
- FR2212653B1 FR2212653B1 FR7300013A FR7300013A FR2212653B1 FR 2212653 B1 FR2212653 B1 FR 2212653B1 FR 7300013 A FR7300013 A FR 7300013A FR 7300013 A FR7300013 A FR 7300013A FR 2212653 B1 FR2212653 B1 FR 2212653B1
- Authority
- FR
- France
- 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
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/38—One-way transmission networks, i.e. unilines
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7300013A FR2212653B1 (zh) | 1973-01-02 | 1973-01-02 | |
US429741A US3860893A (en) | 1973-01-02 | 1974-01-02 | Wide band active circuit three-port circulator for ultra-high frequencies and microwaves |
GB8074A GB1453751A (en) | 1973-01-02 | 1974-01-02 | Active circuit three-port circulator for ultra-high and micro wave frequencies |
DE2400059A DE2400059A1 (de) | 1973-01-02 | 1974-01-02 | Integrierter zirkulator mit drei anschluessen und aktiven schaltungen fuer hoechstfrequenzen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7300013A FR2212653B1 (zh) | 1973-01-02 | 1973-01-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2212653A1 FR2212653A1 (zh) | 1974-07-26 |
FR2212653B1 true FR2212653B1 (zh) | 1977-04-22 |
Family
ID=9112817
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7300013A Expired FR2212653B1 (zh) | 1973-01-02 | 1973-01-02 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3860893A (zh) |
DE (1) | DE2400059A1 (zh) |
FR (1) | FR2212653B1 (zh) |
GB (1) | GB1453751A (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1531447A (en) * | 1974-11-14 | 1978-11-08 | Philips Electronic Associated | Three-port circulator or gyrator circuit arrangement |
US4679010A (en) * | 1985-12-20 | 1987-07-07 | Itt Gallium Arsenide Technology Center, A Division Of Itt Corporation | Microwave circulator comprising a plurality of directional couplers connected together by isolation amplifiers |
US4801901A (en) * | 1987-03-13 | 1989-01-31 | Hittite Microwave Corporation | Non-ferrite non-reciprocal phase shifter and circulator |
US5101179A (en) * | 1990-11-14 | 1992-03-31 | Hittite Microwave Corporation | Y-connected three port circulator |
US5144266A (en) * | 1991-02-04 | 1992-09-01 | Motorola, Inc. | Broadband high frequency active MMIC circulator |
DE19508429A1 (de) * | 1995-03-09 | 1996-09-12 | Daimler Benz Ag | Zirkulatoranordnung |
US9641156B1 (en) * | 2014-11-26 | 2017-05-02 | Hrl Laboratories, Llc | Active circulator with cascode transistor |
US9893401B2 (en) | 2014-11-26 | 2018-02-13 | Hrl Laboratories, Llc | Effective biasing active circulator with RF choke concept |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3513401A (en) * | 1966-04-15 | 1970-05-19 | Hitachi Ltd | Circuit arrangements employing active elements therein functioning as circulators,gyrators,inductors or filters |
GB1227812A (zh) * | 1968-03-15 | 1971-04-07 | ||
US3716729A (en) * | 1969-09-08 | 1973-02-13 | Post Office | All-pass and low-pass filter comprised of active element circulators |
US3700832A (en) * | 1971-08-19 | 1972-10-24 | Bell Telephone Labor Inc | N-port circulator |
-
1973
- 1973-01-02 FR FR7300013A patent/FR2212653B1/fr not_active Expired
-
1974
- 1974-01-02 DE DE2400059A patent/DE2400059A1/de active Pending
- 1974-01-02 US US429741A patent/US3860893A/en not_active Expired - Lifetime
- 1974-01-02 GB GB8074A patent/GB1453751A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2400059A1 (de) | 1974-08-15 |
GB1453751A (en) | 1976-10-27 |
US3860893A (en) | 1975-01-14 |
FR2212653A1 (zh) | 1974-07-26 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |