GB1414948A - Directional coupler - Google Patents

Directional coupler

Info

Publication number
GB1414948A
GB1414948A GB477474A GB477474A GB1414948A GB 1414948 A GB1414948 A GB 1414948A GB 477474 A GB477474 A GB 477474A GB 477474 A GB477474 A GB 477474A GB 1414948 A GB1414948 A GB 1414948A
Authority
GB
United Kingdom
Prior art keywords
feb
strip
lines
directional coupler
section
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
GB477474A
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co Ltd
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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Publication of GB1414948A publication Critical patent/GB1414948A/en
Expired legal-status Critical Current

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

  • Microwave Amplifiers (AREA)
  • Waveguides (AREA)
GB477474A 1973-02-12 1974-02-01 Directional coupler Expired GB1414948A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1721273A JPS5321827B2 (enExample) 1973-02-12 1973-02-12

Publications (1)

Publication Number Publication Date
GB1414948A true GB1414948A (en) 1975-11-19

Family

ID=11937625

Family Applications (1)

Application Number Title Priority Date Filing Date
GB477474A Expired GB1414948A (en) 1973-02-12 1974-02-01 Directional coupler

Country Status (3)

Country Link
US (1) US3904991A (enExample)
JP (1) JPS5321827B2 (enExample)
GB (1) GB1414948A (enExample)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3980972A (en) * 1975-07-14 1976-09-14 Stanford Research Institute Proximity coupler
US4011528A (en) * 1975-07-14 1977-03-08 Stanford Research Institute Semi-lumped element coupler
JPS535946A (en) * 1976-07-06 1978-01-19 Mitsubishi Electric Corp Coaxial transmission unit
US4127831A (en) * 1977-02-07 1978-11-28 Riblet Gordon P Branch line directional coupler having an impedance matching network connected to a port
NL7810942A (nl) * 1978-11-03 1980-05-07 Philips Nv Ondersteunde microstriplijn voor de propagatie van een oneven golfmodus.
US4816784A (en) * 1988-01-19 1989-03-28 Northern Telecom Limited Balanced planar transformers
US5262740A (en) * 1992-04-09 1993-11-16 Itt Corporation Microstrip transformer apparatus
US5818307A (en) * 1997-03-11 1998-10-06 Motorola, Inc. Directional coupler having inductor crossing microstrip transmission line
RU2174729C2 (ru) * 1999-11-22 2001-10-10 Новосибирский государственный технический университет Полосковый направленный ответвитель
US7190240B2 (en) * 2003-06-25 2007-03-13 Werlatone, Inc. Multi-section coupler assembly
US7132906B2 (en) * 2003-06-25 2006-11-07 Werlatone, Inc. Coupler having an uncoupled section
US7245192B2 (en) * 2003-12-08 2007-07-17 Werlatone, Inc. Coupler with edge and broadside coupled sections
US6972639B2 (en) * 2003-12-08 2005-12-06 Werlatone, Inc. Bi-level coupler
JP4729464B2 (ja) * 2006-09-20 2011-07-20 ルネサスエレクトロニクス株式会社 方向性結合器および高周波回路モジュール
US7714679B2 (en) * 2008-01-29 2010-05-11 Hittite Microwave Corporation Spiral coupler
RU2447547C1 (ru) * 2011-02-15 2012-04-10 Федеральное государственное унитарное предприятие "Ростовский-на-Дону научно-исследовательский институт радиосвязи" (ФГУП "РНИИРС") Квадратурный направленный ответвитель
DE102011080429A1 (de) * 2011-08-04 2013-02-07 Endress + Hauser Gmbh + Co. Kg Galvanisch getrennter Richtkoppler
US8963671B2 (en) * 2012-08-31 2015-02-24 Advanced Semiconductor Engineering, Inc. Semiconductor transformer device and method for manufacturing the same
WO2014169247A1 (en) * 2013-04-12 2014-10-16 Rfaxis, Inc. Miniature radio frequency directional coupler for cellular applications
JP6217544B2 (ja) * 2013-10-22 2017-10-25 株式会社村田製作所 方向性結合器
US9570793B2 (en) * 2014-04-15 2017-02-14 Gatesair, Inc. Directional coupler system
KR101940981B1 (ko) * 2014-05-05 2019-01-23 3디 글래스 솔루션즈 인코포레이티드 2d 및 3d 인덕터 안테나 및 변압기 제작 광 활성 기판
US12165809B2 (en) 2016-02-25 2024-12-10 3D Glass Solutions, Inc. 3D capacitor and capacitor array fabricating photoactive substrates
KR20180134868A (ko) 2016-02-25 2018-12-19 3디 글래스 솔루션즈 인코포레이티드 3d 커패시터 및 커패시터 어레이 제작용 광활성 기재
WO2017177171A1 (en) 2016-04-08 2017-10-12 3D Glass Solutions, Inc. Methods of fabricating photosensitive substrates suitable for optical coupler
KR102420212B1 (ko) 2017-04-28 2022-07-13 3디 글래스 솔루션즈 인코포레이티드 Ｒｆ 서큘레이터
WO2019010045A1 (en) 2017-07-07 2019-01-10 3D Glass Solutions, Inc. 2D AND 3D RF BUILT-IN ELEMENTS DEVICES FOR RF SYSTEM IN GROUP PHOTO-ACTIVE GLASS SUBSTRATES
JP7008824B2 (ja) 2017-12-15 2022-01-25 スリーディー グラス ソリューションズ，インク 接続伝送線路共振ｒｆフィルタ
AU2018399638B2 (en) 2018-01-04 2021-09-02 3D Glass Solutions, Inc. Impedance matching conductive structure for high efficiency RF circuits
US11076489B2 (en) 2018-04-10 2021-07-27 3D Glass Solutions, Inc. RF integrated power condition capacitor
EP3645476B1 (en) 2018-05-29 2023-06-14 3D Glass Solutions, Inc. Low insertion loss rf transmission line
AU2019344542B2 (en) 2018-09-17 2022-02-24 3D Glass Solutions, Inc. High efficiency compact slotted antenna with a ground plane
KR102493538B1 (ko) 2018-12-28 2023-02-06 3디 글래스 솔루션즈 인코포레이티드 광활성 유리 기판들에서 ｒｆ, 마이크로파, 및 ｍｍ 파 시스템들을 위한 이종 통합
EP3903339A4 (en) 2018-12-28 2022-08-31 3D Glass Solutions, Inc. Annular capacitor rf, microwave and mm wave systems
KR20210147040A (ko) 2019-04-05 2021-12-06 3디 글래스 솔루션즈 인코포레이티드 유리 기반의 빈 기판 집적 도파관 디바이스
JP7188825B2 (ja) 2019-04-18 2022-12-13 スリーディー グラス ソリューションズ，インク 高効率ダイダイシング及びリリース
US11908617B2 (en) 2020-04-17 2024-02-20 3D Glass Solutions, Inc. Broadband induction

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3167727A (en) * 1961-03-09 1965-01-26 Boeing Co Microwave zig-zag line couplers
US3737810A (en) * 1969-05-05 1973-06-05 Radiation Systems Inc Wideband tem components

Also Published As

Publication number Publication date
JPS5321827B2 (enExample) 1978-07-05
JPS49106754A (enExample) 1974-10-09
US3904991A (en) 1975-09-09

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee