IT1248035B - Sistema per realizzare accoppiatori a microonde con direttivita' ed adattamento massimi, e relativi accoppiatori in microstriscia. - Google Patents

Sistema per realizzare accoppiatori a microonde con direttivita' ed adattamento massimi, e relativi accoppiatori in microstriscia.

Info

Publication number
IT1248035B
IT1248035B ITMI911607A ITMI911607A IT1248035B IT 1248035 B IT1248035 B IT 1248035B IT MI911607 A ITMI911607 A IT MI911607A IT MI911607 A ITMI911607 A IT MI911607A IT 1248035 B IT1248035 B IT 1248035B
Authority
IT
Italy
Prior art keywords
couplers
adaptation
microstrip
maximum directivity
making microwave
Prior art date
Application number
ITMI911607A
Other languages
English (en)
Inventor
D Oro Enzo Cavalieri
Lorenzo Miglioli
Massimo Rivolta
Original Assignee
For Em S P A
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 For Em S P A filed Critical For Em S P A
Priority to ITMI911607A priority Critical patent/IT1248035B/it
Publication of ITMI911607A0 publication Critical patent/ITMI911607A0/it
Priority to US07/893,709 priority patent/US5243305A/en
Priority to EP92201634A priority patent/EP0518423A1/en
Priority to CA002071026A priority patent/CA2071026A1/en
Publication of ITMI911607A1 publication Critical patent/ITMI911607A1/it
Application granted granted Critical
Publication of IT1248035B publication Critical patent/IT1248035B/it

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

Landscapes

  • Radar Systems Or Details Thereof (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
  • Near-Field Transmission Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Waveguides (AREA)
  • Waveguide Connection Structure (AREA)

Abstract

Nel sistema di accoppiatori secondo il trovato, per massimizzare la direttività e l'adattamento, si riduce la lunghezza della zona di accoppiamento delle linee, lateralmente alle quali si ricavano delle piazzole che si scavalcano con un circuito stampato.(Fig. 5B)
ITMI911607A 1991-06-11 1991-06-11 Sistema per realizzare accoppiatori a microonde con direttivita' ed adattamento massimi, e relativi accoppiatori in microstriscia. IT1248035B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ITMI911607A IT1248035B (it) 1991-06-11 1991-06-11 Sistema per realizzare accoppiatori a microonde con direttivita' ed adattamento massimi, e relativi accoppiatori in microstriscia.
US07/893,709 US5243305A (en) 1991-06-11 1992-06-05 Method to make microwave coupler with maximal directivity and adaptation and relevant microstrip coupler
EP92201634A EP0518423A1 (en) 1991-06-11 1992-06-05 Microstrip coupler with maximal directivity
CA002071026A CA2071026A1 (en) 1991-06-11 1992-06-11 Method to make microwave couplers with maximal directivity and adaptation and relevant microstrip coupler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI911607A IT1248035B (it) 1991-06-11 1991-06-11 Sistema per realizzare accoppiatori a microonde con direttivita' ed adattamento massimi, e relativi accoppiatori in microstriscia.

Publications (3)

Publication Number Publication Date
ITMI911607A0 ITMI911607A0 (it) 1991-06-11
ITMI911607A1 ITMI911607A1 (it) 1992-12-11
IT1248035B true IT1248035B (it) 1995-01-05

Family

ID=11360095

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI911607A IT1248035B (it) 1991-06-11 1991-06-11 Sistema per realizzare accoppiatori a microonde con direttivita' ed adattamento massimi, e relativi accoppiatori in microstriscia.

Country Status (4)

Country Link
US (1) US5243305A (it)
EP (1) EP0518423A1 (it)
CA (1) CA2071026A1 (it)
IT (1) IT1248035B (it)

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Publication number Priority date Publication date Assignee Title
JPH08162812A (ja) * 1994-12-07 1996-06-21 Fujitsu Ltd 高周波結合器
US5521563A (en) * 1995-06-05 1996-05-28 Emc Technology, Inc. Microwave hybrid coupler
US6496889B1 (en) * 1999-09-17 2002-12-17 Rambus Inc. Chip-to-chip communication system using an ac-coupled bus and devices employed in same
US6759922B2 (en) * 2002-05-20 2004-07-06 Anadigics, Inc. High directivity multi-band coupled-line coupler for RF power amplifier
US6822532B2 (en) * 2002-07-29 2004-11-23 Sage Laboratories, Inc. Suspended-stripline hybrid coupler
US7394333B2 (en) * 2002-12-06 2008-07-01 Stmicroelectronics S.A. Directional coupler
US6825738B2 (en) * 2002-12-18 2004-11-30 Analog Devices, Inc. Reduced size microwave directional coupler
US6946927B2 (en) * 2003-11-13 2005-09-20 Northrup Grumman Corporation Suspended substrate low loss coupler
US6972639B2 (en) * 2003-12-08 2005-12-06 Werlatone, Inc. Bi-level coupler
US7119633B2 (en) * 2004-08-24 2006-10-10 Endwave Corporation Compensated interdigitated coupler
DE102005016054A1 (de) * 2005-04-07 2006-10-12 Kathrein-Werke Kg Hochfrequenzkoppler oder Leistungsteiler, insbesondere schmalbandiger und/oder 3dB-Koppler oder Leistungsteiler
US7321276B2 (en) * 2005-06-30 2008-01-22 Harris Stratex Networks, Inc. Independently adjustable combined harmonic rejection filter and power sampler
US7450535B2 (en) * 2005-12-01 2008-11-11 Rambus Inc. Pulsed signaling multiplexer
WO2008006089A2 (en) * 2006-07-06 2008-01-10 The Ohio State University Research Foundation Emulation of anisotropic media in transmission line
JP4999432B2 (ja) * 2006-11-21 2012-08-15 国防部軍備局中山科学研究院 電磁補償付き結合装置
FR2933540B1 (fr) * 2008-07-01 2011-12-02 St Microelectronics Tours Sas Coupleur directif integre
US8354892B2 (en) * 2009-11-03 2013-01-15 Electronics And Telecommunications Research Institute Marchand balun device for forming parallel and vertical capacitance
WO2012111598A1 (ja) * 2011-02-17 2012-08-23 株式会社村田製作所 方向性結合器
JP6080584B2 (ja) * 2013-02-08 2017-02-15 三菱電機株式会社 方向性結合器
KR101665589B1 (ko) * 2015-09-18 2016-10-12 강원대학교산학협력단 인공전송선로를 이용한 결합선로 방향성 결합기
CN111261991A (zh) * 2020-02-10 2020-06-09 南京邮电大学 小型化多层宽带3-dB耦合器

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3512110A (en) * 1968-05-06 1970-05-12 Motorola Inc Microstrip-microwave coupler
US3593208A (en) * 1969-03-17 1971-07-13 Bell Telephone Labor Inc Microwave quadrature coupler having lumped-element capacitors
FR2129899B1 (it) * 1971-03-19 1977-06-17 Thomson Csf
DE2247687C3 (de) * 1972-09-28 1982-02-18 Spinner-GmbH Elektrotechnische Fabrik, 8000 München Koaxialer Richtungskoppler
FR2419613A1 (fr) * 1978-03-07 1979-10-05 Thomson Csf Circuit hyperfrequence a lignes couplees a vitesse de phase compensee, et dispositif hyperfrequence comportant un tel circuit
JPS5662402A (en) * 1979-10-26 1981-05-28 Fujitsu Ltd Directional coupler
US4375054A (en) * 1981-02-04 1983-02-22 Rockwell International Corporation Suspended substrate-3 dB microwave quadrature coupler
US4376921A (en) * 1981-04-28 1983-03-15 Westinghouse Electric Corp. Microwave coupler with high isolation and high directivity
US4394630A (en) * 1981-09-28 1983-07-19 General Electric Company Compensated directional coupler
SU1417083A1 (ru) * 1986-07-15 1988-08-15 Предприятие П/Я А-3650 Направленный ответвитель
US4999593A (en) * 1989-06-02 1991-03-12 Motorola, Inc. Capacitively compensated microstrip directional coupler

Also Published As

Publication number Publication date
CA2071026A1 (en) 1992-12-12
EP0518423A1 (en) 1992-12-16
ITMI911607A0 (it) 1991-06-11
ITMI911607A1 (it) 1992-12-11
US5243305A (en) 1993-09-07

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