EP0089083A1 - Breitbandleistungsteiler/-addierer für HF Höchstfrequenz-Schaltungen und Impedanztransformator ausgeführt mit diesem Teiler/Addierer - Google Patents

Breitbandleistungsteiler/-addierer für HF Höchstfrequenz-Schaltungen und Impedanztransformator ausgeführt mit diesem Teiler/Addierer Download PDF

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Publication number
EP0089083A1
EP0089083A1 EP83200332A EP83200332A EP0089083A1 EP 0089083 A1 EP0089083 A1 EP 0089083A1 EP 83200332 A EP83200332 A EP 83200332A EP 83200332 A EP83200332 A EP 83200332A EP 0089083 A1 EP0089083 A1 EP 0089083A1
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EP
European Patent Office
Prior art keywords
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adder
divider
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divider according
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EP83200332A
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English (en)
French (fr)
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EP0089083B1 (de
Inventor
François de Ronde
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.)
Laboratoires dElectronique Philips SAS
Koninklijke Philips NV
Original Assignee
Laboratoires dElectronique et de Physique Appliquee
Philips Gloeilampenfabrieken NV
Koninklijke Philips Electronics NV
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    • 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
    • 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

Definitions

  • the present invention relates to a broadband power adder-divider for microwave circuits produced in a flat structure and in particular according to the technique of the printed circuit in the form of a microstrip. It also relates to an impedance transformer produced from this adder-divider.
  • a more sophisticated solution consists in using a transmission line of non-uniform width (called in English "typing”), equivalent to an impedance transformer composed of a large number of small discontinuities, and described by example in the article “Impedance matching by tapered transmission lines'; AH Hall,” The Microwave Journal “, March 1966, pages 1C9 to 114.
  • a transmission line of non-uniform width called in English "typing”
  • impedance transformer composed of a large number of small discontinuities
  • the object of the invention is to propose a microwave power adder-divider in which the problem of impedance matching is satisfactorily resolved while retaining a reduced overall size and obtaining a frequency band of several octaves.
  • the invention relates to an adder-divider comprising on one side a first conductive transmission line traversed by the entire microwave current, on the other two conductive transmission lines in parallel dividing this current and, between the two , a conductive transition zone delimited by two contours in an arc of a tangent circle on one side to the first line, on the other to the two lines in parallel, and crossed transversely to the directions of propagation of the current by parallel slots.
  • the current lines are constrained by stay within a limited width of the transmission line, which avoids sudden variations in impedance in the transition zone, which lead to mismatch.
  • the power adder-divider shown in FIG. 1 is designed to equip a microwave circuit in a flat structure, of the microstrip type, and comprises a first conductive transmission line 10, of width w, crossed by the entire microwave current, second and third conductive transmission lines 20 and 30, here also of width w, which are equally distributed in this case this microwave current, and, between line 10 and the two lines 20 and 30 a conductive transition zone 40, delimited by two contours 41 and 42 in an arc of a circle tangentially connected to the first line 10 and to the second and third lines 20 and 30.
  • This zone 40 is crossed transversely to the mean directions of propagation of the current (indicated in FIG. 1 by the two arrows parallel to the contours 41 and 42, in the case where the device is a power divider) by parallel slots in the form of arc of a circle (they could also be rectilinear), in the case shown eight slots 51 to 58, the ends of which are situated at a distance from the contours 41 and 42 less than the width of the transmission lines.
  • This structure forces the current lines to remain inside a conductive strip of width less than that of lines 10 to 30 (the approximate limit of this current flow band is shown in FIG.
  • the present invention is not limited to such exemplary embodiments, from which variants can be proposed without thereby departing from the scope of the invention.
  • any residual reflections at low frequencies of the bandwidth of the adder-divider or of the impedance transformer can be completely eliminated by capacitive line segments 71 to 74 arranged transversely to line 10, at a distance from each other equal to a quarter of the wavelength X m associated with the maximum frequency of the passband, and located at an average distance from each other end of the device (the border between zone 40 and lines 20 and 30) equal to a quarter of the wavelength ⁇ M associated with the minimum frequency of the passband.

Landscapes

  • Waveguides (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Discharge Heating (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
EP83200332A 1982-03-12 1983-03-10 Breitbandleistungsteiler/-addierer für HF Höchstfrequenz-Schaltungen und Impedanztransformator ausgeführt mit diesem Teiler/Addierer Expired EP0089083B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8204251 1982-03-12
FR8204251A FR2523374A1 (fr) 1982-03-12 1982-03-12 Additionneur-diviseur de puissance a large bande pour circuit hyperfrequence et transformateur d'impedance realise a partir de cet additionneur-diviseur

Publications (2)

Publication Number Publication Date
EP0089083A1 true EP0089083A1 (de) 1983-09-21
EP0089083B1 EP0089083B1 (de) 1987-11-25

Family

ID=9271957

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83200332A Expired EP0089083B1 (de) 1982-03-12 1983-03-10 Breitbandleistungsteiler/-addierer für HF Höchstfrequenz-Schaltungen und Impedanztransformator ausgeführt mit diesem Teiler/Addierer

Country Status (6)

Country Link
US (1) US4490695A (de)
EP (1) EP0089083B1 (de)
JP (1) JPS58168303A (de)
CA (1) CA1194158A (de)
DE (1) DE3374741D1 (de)
FR (1) FR2523374A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU588291B2 (en) * 1985-04-02 1989-09-14 Siemens Telecomunicazioni S.P.A. Thin film power coupler
WO2010001143A1 (en) 2008-07-01 2010-01-07 Viditech Ag Improvements in and relating to radio frequency combiners/splitters
US8368485B2 (en) 2008-07-01 2013-02-05 Dockon Ag Radio frequency combiners/splitters

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4835496A (en) * 1986-05-28 1989-05-30 Hughes Aircraft Company Power divider/combiner circuit
JPH01295502A (ja) * 1988-05-23 1989-11-29 Mitsubishi Electric Corp 電力分配器
US4831345A (en) * 1988-06-17 1989-05-16 The United States Of America As Represented By The Secretary Of The Navy Stripline power divider
JP2708849B2 (ja) * 1989-02-17 1998-02-04 三菱電機株式会社 電力分配器
US5075647A (en) * 1990-05-16 1991-12-24 Universities Research Association, Inc. Planar slot coupled microwave hybrid
JP3771221B2 (ja) * 2003-01-31 2006-04-26 日本無線株式会社 十字型ｔ分岐回路
CN101656343B (zh) * 2009-09-11 2012-12-12 电子科技大学 一种功分器
CN102800912B (zh) * 2011-06-29 2014-04-16 深圳光启高等理工研究院 一种波导功分器
CN103022619B (zh) * 2013-01-11 2015-04-22 中国人民解放军空军工程大学 基于微波倒相器的一分三功率分配器及其功率分配方法
US9537198B2 (en) 2013-10-01 2017-01-03 Telefonaktiebolaget L M Ericsson (Publ) Wideband impedance transformer
US9112458B2 (en) 2013-10-01 2015-08-18 Telefonaktiebolaget L M Ericsson (Publ) Wideband Doherty amplifier
WO2015193782A1 (en) 2014-06-16 2015-12-23 Telefonaktiebolaget L M Ericsson (Publ) Wideband impedance transformer
EP3331499A4 (de) 2015-08-06 2019-04-10 The Johns Hopkins University Zusammensetzung und verfahren zur behandlung stoffwechselerkrankungen

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2836798A (en) * 1953-02-13 1958-05-27 Itt Microwave transmission lines
FR1505067A (fr) * 1965-07-02 1967-12-08 Dispositif pour raccorder des guides d'ondes ou autres conducteurs d'ondes
US3886498A (en) * 1974-07-22 1975-05-27 Us Navy Wideband, matched three port power divider
FR2460048A1 (fr) * 1979-06-22 1981-01-16 Labo Electronique Physique Transformateur d'impedance a large bande pour ligne hyperfrequence a constantes reparties, additionneur-diviseur de puissance comprenant ce transformateur d'impedance et circuit incorporant cet additionneur

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1330408A (en) * 1971-04-26 1973-09-19 Mullard Ltd Microwave power-divider
US3815055A (en) * 1973-04-20 1974-06-04 Raytheon Co Microwave power divider

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2836798A (en) * 1953-02-13 1958-05-27 Itt Microwave transmission lines
FR1505067A (fr) * 1965-07-02 1967-12-08 Dispositif pour raccorder des guides d'ondes ou autres conducteurs d'ondes
US3886498A (en) * 1974-07-22 1975-05-27 Us Navy Wideband, matched three port power divider
FR2460048A1 (fr) * 1979-06-22 1981-01-16 Labo Electronique Physique Transformateur d'impedance a large bande pour ligne hyperfrequence a constantes reparties, additionneur-diviseur de puissance comprenant ce transformateur d'impedance et circuit incorporant cet additionneur

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PROCEEDINGS 10TH EUROPEAN MICROWAVE CONFERENCE, septembre 1980, pages 310-314, Sevenoaks, GB. *
PROCEEDINGS OF THE 9TH EUROPEAN MICROWAVE CONFERENCE, septembre 1979, pages 661-664, Sevenoaks, GB. *
RADIO ENGINEERING & ELECTRONIC PHYSICS, vol. 22, no. 1, janvier 1977, pages 31-36, Washington, USA *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU588291B2 (en) * 1985-04-02 1989-09-14 Siemens Telecomunicazioni S.P.A. Thin film power coupler
WO2010001143A1 (en) 2008-07-01 2010-01-07 Viditech Ag Improvements in and relating to radio frequency combiners/splitters
US8040204B2 (en) 2008-07-01 2011-10-18 Dockon Ag Radio frequency combiners/splitters
US8368485B2 (en) 2008-07-01 2013-02-05 Dockon Ag Radio frequency combiners/splitters

Also Published As

Publication number Publication date
CA1194158A (en) 1985-09-24
EP0089083B1 (de) 1987-11-25
FR2523374B1 (de) 1984-04-20
JPH0324802B2 (de) 1991-04-04
US4490695A (en) 1984-12-25
FR2523374A1 (fr) 1983-09-16
DE3374741D1 (en) 1988-01-07
JPS58168303A (ja) 1983-10-04

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