GB1453751A - Active circuit three-port circulator for ultra-high and micro wave frequencies - Google Patents

Active circuit three-port circulator for ultra-high and micro wave frequencies

Info

Publication number
GB1453751A
GB1453751A GB8074A GB8074A GB1453751A GB 1453751 A GB1453751 A GB 1453751A GB 8074 A GB8074 A GB 8074A GB 8074 A GB8074 A GB 8074A GB 1453751 A GB1453751 A GB 1453751A
Authority
GB
United Kingdom
Prior art keywords
voltage amplifier
arm
port
ultra
port circulator
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
Application number
GB8074A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lignes Telegraphiques et Telephoniques LTT SA
Original Assignee
Lignes Telegraphiques et Telephoniques LTT SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Lignes Telegraphiques et Telephoniques LTT SA filed Critical Lignes Telegraphiques et Telephoniques LTT SA
Publication of GB1453751A publication Critical patent/GB1453751A/en
Expired legal-status Critical Current

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

Landscapes

  • Amplifiers (AREA)
GB8074A 1973-01-02 1974-01-02 Active circuit three-port circulator for ultra-high and micro wave frequencies Expired GB1453751A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7300013A FR2212653B1 (enrdf_load_stackoverflow) 1973-01-02 1973-01-02

Publications (1)

Publication Number Publication Date
GB1453751A true GB1453751A (en) 1976-10-27

Family

ID=9112817

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8074A Expired GB1453751A (en) 1973-01-02 1974-01-02 Active circuit three-port circulator for ultra-high and micro wave frequencies

Country Status (4)

Country Link
US (1) US3860893A (enrdf_load_stackoverflow)
DE (1) DE2400059A1 (enrdf_load_stackoverflow)
FR (1) FR2212653B1 (enrdf_load_stackoverflow)
GB (1) GB1453751A (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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 (enrdf_load_stackoverflow) * 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

Also Published As

Publication number Publication date
FR2212653B1 (enrdf_load_stackoverflow) 1977-04-22
US3860893A (en) 1975-01-14
DE2400059A1 (de) 1974-08-15
FR2212653A1 (enrdf_load_stackoverflow) 1974-07-26

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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