ZA925165B - Microwave hybrid directional coupler with concentrated constants and quadrature outputs - Google Patents

Microwave hybrid directional coupler with concentrated constants and quadrature outputs

Info

Publication number
ZA925165B
ZA925165B ZA925165A ZA925165A ZA925165B ZA 925165 B ZA925165 B ZA 925165B ZA 925165 A ZA925165 A ZA 925165A ZA 925165 A ZA925165 A ZA 925165A ZA 925165 B ZA925165 B ZA 925165B
Authority
ZA
South Africa
Prior art keywords
directional coupler
quadrature outputs
microwave hybrid
hybrid directional
concentrated constants
Prior art date
Application number
ZA925165A
Other languages
English (en)
Inventor
Franco Marconi
Marconi Franco
Original Assignee
Sits Soc It Telecom Siemens
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 Sits Soc It Telecom Siemens filed Critical Sits Soc It Telecom Siemens
Publication of ZA925165B publication Critical patent/ZA925165B/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/12—Coupling devices having more than two ports
    • H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
    • H01P5/18—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers
    • H01P5/184—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers the guides being strip lines or microstrips
    • H01P5/185—Edge coupled lines
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/48—Networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source
ZA925165A 1991-07-11 1992-07-10 Microwave hybrid directional coupler with concentrated constants and quadrature outputs ZA925165B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI911924A IT1251221B (it) 1991-07-11 1991-07-11 Accoppiatore direzionale di tipo ibrido e microonde a costanti concentrate con uscite in quadratura.

Publications (1)

Publication Number Publication Date
ZA925165B true ZA925165B (en) 1993-03-31

Family

ID=11360328

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA925165A ZA925165B (en) 1991-07-11 1992-07-10 Microwave hybrid directional coupler with concentrated constants and quadrature outputs

Country Status (8)

Country Link
EP (1) EP0522524B1 (fr)
AU (1) AU644298B2 (fr)
DE (1) DE69200038T2 (fr)
ES (1) ES2068650T3 (fr)
FI (1) FI923190A (fr)
IT (1) IT1251221B (fr)
NO (1) NO180508C (fr)
ZA (1) ZA925165B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19915246A1 (de) * 1999-04-03 2000-10-05 Philips Corp Intellectual Pty Dünnschicht-Breitbandkoppler
US6825738B2 (en) 2002-12-18 2004-11-30 Analog Devices, Inc. Reduced size microwave directional coupler
KR100593901B1 (ko) * 2004-04-22 2006-06-28 삼성전기주식회사 방향성 커플러 및 이를 이용한 듀얼밴드 송신기
US9449618B2 (en) 2008-04-21 2016-09-20 Seagate Technology Llc Microwave assisted magnetic recording system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1166855B (de) * 1962-11-23 1964-04-02 Telefunken Patent Brueckenanordnung zur gegenseitigen Entkopplung zweier Hochfrequenzgeneratoren
US3593208A (en) * 1969-03-17 1971-07-13 Bell Telephone Labor Inc Microwave quadrature coupler having lumped-element capacitors
US4027254A (en) * 1975-02-11 1977-05-31 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Directional coupler having interdigital comb electrodes
IT1229726B (it) * 1989-05-15 1991-09-07 Sits Soc It Telecom Siemens Accoppiatore direzionale a 3 db, 90 gradi, un'ottava, realizzato in microstriscia e slotline.

Also Published As

Publication number Publication date
ITMI911924A0 (it) 1991-07-11
NO922752L (no) 1993-01-12
EP0522524B1 (fr) 1994-01-12
AU1960692A (en) 1993-01-14
DE69200038D1 (de) 1994-02-24
AU644298B2 (en) 1993-12-02
NO922752D0 (no) 1992-07-10
IT1251221B (it) 1995-05-04
FI923190A (fi) 1993-01-12
ITMI911924A1 (it) 1993-01-11
NO180508B (no) 1997-01-20
EP0522524A1 (fr) 1993-01-13
FI923190A0 (fi) 1992-07-10
DE69200038T2 (de) 1994-05-26
ES2068650T3 (es) 1995-04-16
NO180508C (no) 1997-04-30

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