EP0014620A1 - Mikrowellenschaltung mit gekoppelten Koplanarleitungen und Vorrichtung mit einer solchen Schaltung - Google Patents

Mikrowellenschaltung mit gekoppelten Koplanarleitungen und Vorrichtung mit einer solchen Schaltung Download PDF

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Publication number
EP0014620A1
EP0014620A1 EP80400102A EP80400102A EP0014620A1 EP 0014620 A1 EP0014620 A1 EP 0014620A1 EP 80400102 A EP80400102 A EP 80400102A EP 80400102 A EP80400102 A EP 80400102A EP 0014620 A1 EP0014620 A1 EP 0014620A1
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EP
European Patent Office
Prior art keywords
conductive strips
lines
microwave circuit
circuit according
microwave
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.)
Withdrawn
Application number
EP80400102A
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English (en)
French (fr)
Inventor
André Jean-Frederic
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.)
Thales SA
Original Assignee
Thomson CSF SA
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Filing date
Publication date
Application filed by Thomson CSF SA filed Critical Thomson CSF SA
Publication of EP0014620A1 publication Critical patent/EP0014620A1/de
Withdrawn legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/201—Filters for transverse electromagnetic waves
    • H01P1/203—Strip line filters
    • H01P1/20327—Electromagnetic interstage coupling
    • H01P1/20354—Non-comb or non-interdigital filters
    • H01P1/20372—Hairpin resonators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/201—Filters for transverse electromagnetic waves
    • H01P1/203—Strip line filters
    • H01P1/2039—Galvanic coupling between Input/Output
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P3/00—Waveguides; Transmission lines of the waveguide type
    • 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P9/00—Delay lines of the waveguide type
    • H01P9/006—Meander lines

Definitions

  • the present invention relates to a microwave circuit with coupled lines produced in coplanar technology, and the structure of which makes it possible to considerably reduce the difference between the phase velocities of the different propagation slats.
  • T.E.M.waves The electrical state of two coupled transmission lines operating in electromagnetic transverse waves, T.E.M.waves, can be represented, at each instant, by two propagation modes superimposed on each transmission line.
  • a first mode, called even mode, is characterized by pairs of current voltage values (E, I) equal at all times in any plane of cross section along each line and a second mode, called odd mode, is characterized by pairs of voltage-current values (E, I) phase shifted from TI at any time in any cross-section plane along each line.
  • E, I current voltage values
  • odd mode second mode
  • E, I voltage-current values
  • this solution does not make it possible, in the application to a Schiffman cell, to operate the device on a frequency band higher than the octave.
  • the present invention overcomes the aforementioned drawbacks and relates to a microwave circuit with coupled lines for which the phase speeds of the different modes are made close.
  • Another object of the present invention is the production of microwave circuits with broadband coupled lines and of microwave circuits with narrowband coupled lines.
  • An advantage of the invention is the production of circuits very small dimensions.
  • the microwave circuit with coupled lines comprises, on a dielectric substrate wafer, a plurality of transmission lines constituted by conductive strips and by a so-called ground conductor, forming a system of coupled lines, the ground conductor being deposited on the same face of the dielectric plate as the central conductive strips and being constituted by ground conductive strips nested between the previous ones.
  • the microwave circuit with coupled lines comprises a wafer 1 of dielectric substrate on which is disposed a plurality of transmission lines propagating a TEM mode therefore constituted by one or more conductors 2a, 2b .. and by a common conductor 3.
  • Conductors 2a, 2b ... can be constituted by one or more conductive strips, 2a i , 2b i ... - i varying from 1 to n - and the ground conductor can itself include conductive strips 4 nested between the previous ones.
  • These conductive bands 2a., 2b .... or 4 are parallel to each other and separated by a determined interval which is a function, as are the number and the arrangement of these bands, of the radioelectric characteristics of the circuit studied and consequently of the couplings. between the different transmission lines.
  • the conductive strips 2a i , 2b i ... constituting with the ground conductor 3 the same TEM transmission line are connected in pairs by conductive wires or tapes 5 or by sections of conductive strip 9 forming a short circuit, then that the conductive strips 4 are connected to the ground conductor 3 by conductive wires 10.
  • All the conductive strips of the circuit can be produced by metallization, comprising for example a resistive layer of nickel and chromium and a conductive layer of gold - the respective conductivities of nickel, chromium and gold being 16.10 +6 ⁇ -1 .m -1 , 6.5.10 +6 ⁇ -1 .m -1 and 49.10 +6 ⁇ - 1 .m 1 .
  • the different modes of propagation existing between the arms are of the TEM type, or quasi TEM, and the achievements which have been made have shown that all the parasitic modes which can exist in such a structure are at very low levels. low compared to the fundamental TEM mode, thus allowing the production of selective components such as filters.
  • FIG. 2 representing an interdigital microwave filter.
  • This filter produced uses six transmission lines coupled in addition to the two input 11 and output 12 lines, constituted respectively by a central conductor 110 and 120 between two zones of the ground conductor 3.
  • each TEM line, 13 for example, consists of two conductive strips 2a ,, 2a 2 arranged on either side of a conductive strip 4 of the common conductor 3, and connected together by a conducting wire 5 or by a conductive section restoring the equipotentiality between the conductive strips 2a.
  • FIG. 3 gives another exemplary embodiment of a very broadband interdigital microwave filter, with two transmission lines in addition to the input 14 and the output 15. These transmission lines each consist of four conductive bands 2ai and 2b i , i varying from 1 to 4, connected together by conductive wires 5. The bands 2a 3 and 2a 4 for one of the two lines and 2b 3 and 2b 4 for the other line are nested one inside the other for reasons for coupling. Again, the conductive son 5 can be replaced by sections of conductive strips making a short circuit.
  • the width of the conductive bands is between 100 and 200 ⁇ m and the distance between the conductive bands is between 100 and 200 ⁇ m, giving as total dimensions of the filter approximately 11 mm by 6 mm.
  • FIG. 4 represents another application of this type of microwave circuit with coplanar coupled lines according to the invention. It is a directional coupler produced using two coplanar transmission lines coupled together on the same substrate of dielectric material.
  • the input channel 40 and the coupled channel 42 are on the same side of the circuit, while the direct channel 41 and the directive channel 43 are on the same other side.
  • the transmission lines joining the input channel 40 to the direct channel 41 on the one hand, and the coupled channel 42 to the directive channel 43 on the other hand are formed by the common conductor 3 and by a conductor folded in two meanders 46, by the conductive strip 4 of the ground conductor 3.
  • Each meander comprises two arms 44 and 45 constituted by conductive strips 2a. and 2b i nested and connected respectively at their ends by conductive wires 5 or metallic bands making a short circuit.
  • the widths of the conductive strips are between 100 and 200 ⁇ m and the distance between the strips is between 100 and 200 ⁇ m and the distance between the strips is between 50 ⁇ m and 280 ⁇ m, giving as total dimensions for the coupler about 6mm. 6.3mm.
  • a particular case of the microwave circuit with coupled lines according to the invention is that comprising a single transmission line constituted by several conductive strips connected to one another and a common conductor, producing a delay line of the meandering line type, as shown in the figure. 5.
  • the delay line comprises an inlet 6 produced by a coplanar line, constituted by a central conductor 7 comprised between two zones of the ground conductor 3, an outlet 8 produced in the same way and a meandering line.
  • This consists of conductive strips 2 connected together by sections of conductor 9 forming a short circuit, alternately at each end.
  • Conductive wires 10 connect one end of the conductive strips 4 to the ground conductor 3.
  • FIG. 6 shows another type of embodiment of a delay line in which the conductive strips 2 are interconnected, alternately at each end, by conductive wires 5 making a short circuit.
  • FIG. 7 Another application, shown in FIG. 7, of a microwave circuit producing a meandering line according to the invention is a so-called Wilkinson tee.
  • the latter is formed by an input line 73, of impedance 50 ⁇ which is divided into two sections of lines 71 and 72, of length ⁇ / 4 and of impedance 7012., resulting in a resistance of 100 allowing the adaptation with both 50 ⁇ output and impedance lines.
  • the input 73 and the outputs 77 and 78 are produced from coplanar lines whose respective central conductors 730, 770 and 780 are between two zones of the ground conductor 3.
  • the two sections of line 71 and 72 of length A / 4 consist of a meandering line, produced according to the invention, by conductive strips 2 nested between the conductive strips 4 of the ground plane 3.
  • the conductive strips 2 are connected together by sections of conductive strips 9 forming short circuit, alternately at each end, while the strips 4 are connected to one of their ends by a connecting wire 10.
  • the two sections of lines 71 and 72 can be produced by a meandering line like that described in FIG. 6.
  • FIG. 8 represents another example of a microwave circuit with coupled lines according to the invention: a double section T-divider.
  • the coplanar coupled lines are used to make circuits, which made in another technology, microstrip for example, would have too small dimensions due to the large central operating frequency.
  • This tee has an input 81 produced by a coplanar line of impedance 50 ⁇ , constituted by a central conductor 82 and by two zones of the ground conductor 3.
  • This coplanar line is divided into two coplanar lines 83 and 84 with impedance 80 ⁇ .
  • These two lines 83 and 84 are short-circuited by a resistor 85 of 76 ⁇ at the end of a length L equal to a quarter of the wavelength ⁇ / 4 at the central operating frequency of the Tee.
  • These two coplanar lines 83 and 84 are respectively extended by two other coplanar lines 86 and 87 of impedance 60 ⁇ .
  • the width of the conductive strips is between 92 ⁇ m and 155 ⁇ m and the distance separating them is between 100 and 162 mm, the length L is of the order of 2.3 mm.
  • one of the advantages of the invention is to produce circuits of dimensions reduced compared to those made in triplate or microstrip technique.
  • Another advantage of the invention lies in the realization of strong or weak couplings, depending on whether one seeks to produce broadband or narrowband filters, thanks to the interdigitation of the conductors and the ground conductor.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Waveguides (AREA)
  • Waveguide Switches, Polarizers, And Phase Shifters (AREA)
EP80400102A 1979-02-13 1980-01-22 Mikrowellenschaltung mit gekoppelten Koplanarleitungen und Vorrichtung mit einer solchen Schaltung Withdrawn EP0014620A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7903641 1979-02-13
FR7903641A FR2449340A1 (fr) 1979-02-13 1979-02-13 Circuit hyperfrequence a lignes couplees coplanaires et dispositif comportant un tel circuit

Publications (1)

Publication Number Publication Date
EP0014620A1 true EP0014620A1 (de) 1980-08-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP80400102A Withdrawn EP0014620A1 (de) 1979-02-13 1980-01-22 Mikrowellenschaltung mit gekoppelten Koplanarleitungen und Vorrichtung mit einer solchen Schaltung

Country Status (3)

Country Link
US (1) US4313095A (de)
EP (1) EP0014620A1 (de)
FR (1) FR2449340A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2579846A1 (fr) * 1985-03-26 1986-10-03 Rogers Corp Retardateur de signaux electroniques
EP0302479A1 (de) * 1987-08-06 1989-02-08 Siemens Aktiengesellschaft Streifenleitungskoppler

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0099398A1 (de) * 1982-01-21 1984-02-01 Communications Satellite Corporation Koplanare mikrowellenleitung niedriger impedanz
US4532484A (en) * 1982-11-09 1985-07-30 Raytheon Company Hybrid coupler having interlaced coupling conductors
US4591812A (en) * 1982-11-22 1986-05-27 Communications Satellite Corporation Coplanar waveguide quadrature hybrid having symmetrical coupling conductors for eliminating spurious modes
US4614922A (en) * 1984-10-05 1986-09-30 Sanders Associates, Inc. Compact delay line
US4729510A (en) * 1984-11-14 1988-03-08 Itt Corporation Coaxial shielded helical delay line and process
US4647878A (en) * 1984-11-14 1987-03-03 Itt Corporation Coaxial shielded directional microwave coupler
US4675625A (en) * 1985-03-26 1987-06-23 Rogers Corporation Rolled delay line of the coplanar line type
US4675627A (en) * 1985-03-26 1987-06-23 Rogers Corporation High permeability rolled delay line of the coplanar type
US4675626A (en) * 1985-11-27 1987-06-23 Rogers Corporation Carrier assembly for mounting a rolled coplanar delay line
US4873501A (en) * 1986-06-27 1989-10-10 The United States Of America As Represented By The Secretary Of The Navy Internal transmission line filter element
US4882555A (en) * 1988-08-12 1989-11-21 Hughes Aircraft Company Plural plane waveguide coupler
US4931753A (en) * 1989-01-17 1990-06-05 Ford Aerospace Corporation Coplanar waveguide time delay shifter
JP2682737B2 (ja) * 1990-11-20 1997-11-26 株式会社トキメック 電力分配合成器
WO1992020078A2 (en) * 1991-05-08 1992-11-12 Superconductor Technologies Inc. Superconducting delay line
US5272457A (en) * 1992-03-10 1993-12-21 Harris Corporation High isolation integrated switch circuit
GB2292839A (en) * 1994-08-27 1996-03-06 Univ Birmingham Microwave slow wave structure
US5770987A (en) * 1996-09-06 1998-06-23 Henderson; Bert C. Coplanar waVeguide strip band pass filter
KR100683991B1 (ko) * 1998-02-23 2007-02-20 콸콤 인코포레이티드 평면상 이중 스트립 안테나
US6259407B1 (en) 1999-02-19 2001-07-10 Allen Tran Uniplanar dual strip antenna
JP2001068906A (ja) * 1999-08-27 2001-03-16 Matsushita Electric Ind Co Ltd 高周波装置
US6335662B1 (en) * 1999-09-21 2002-01-01 The United States Of America As Represented By The Secretary Of The Army Ferroelectric-tunable microwave branching couplers
US6624722B2 (en) 2001-09-12 2003-09-23 Radio Frequency Systems, Inc. Coplanar directional coupler for hybrid geometry
EP1428289A1 (de) * 2001-09-20 2004-06-16 Paratek Microwave, Inc. Abstimmbare filter mit variabler bandbreite und variabler verzögerung
US7034636B2 (en) * 2001-09-20 2006-04-25 Paratek Microwave Incorporated Tunable filters having variable bandwidth and variable delay
US6985365B2 (en) * 2001-09-28 2006-01-10 Hewlett-Packard Development Company, L.P. Topology for flexible and precise signal timing adjustment
US7002433B2 (en) * 2003-02-14 2006-02-21 Microlab/Fxr Microwave coupler
DE10316047B4 (de) * 2003-04-08 2006-11-30 Rohde & Schwarz Gmbh & Co. Kg Richtkoppler in koplanarer Wellenleitertechnik
DE10350033A1 (de) * 2003-10-27 2005-05-25 Robert Bosch Gmbh Bauelement mit Koplanarleitung
CN1989651A (zh) * 2004-07-22 2007-06-27 皇家飞利浦电子股份有限公司 包含铁氧体衬底的集成不可逆组件
WO2007034658A1 (ja) * 2005-09-26 2007-03-29 Nec Corporation バラン回路及び集積回路装置
JP2011053354A (ja) * 2009-08-31 2011-03-17 Toshiba Corp 光電気配線フィルムおよび光電気配線モジュール
US10390425B2 (en) * 2017-04-27 2019-08-20 Nanning Fugui Precision Industrial Co., Ltd. Golden finger structure
CN213936623U (zh) * 2020-11-10 2021-08-10 深圳市华思旭科技有限公司 无线吹风机及其充电插座

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1523984A (fr) * 1967-05-25 1968-05-03 Fernsehgeratewerke Stassfurt V Dispositif de couplage conducteur pouvant être accordé pour oscillations électriques de haute fréquence
US3504222A (en) * 1966-10-07 1970-03-31 Hitachi Ltd Slow-wave circuit including meander line and shielding therefor
FR2032301A1 (de) * 1968-12-30 1970-11-27 Texas Instruments Inc
DE2142214B1 (de) * 1971-08-23 1973-02-15 Siemens AG, 1000 Berlin u 8000 München Hochfrequenzbauelement in streifenleitungstechnik

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3560893A (en) * 1968-12-27 1971-02-02 Rca Corp Surface strip transmission line and microwave devices using same
US3736534A (en) * 1971-10-13 1973-05-29 Litton Systems Inc Planar-shielded meander slow-wave structure
DD109127A1 (de) * 1973-12-21 1974-10-12
US3990024A (en) * 1975-01-06 1976-11-02 Xerox Corporation Microstrip/stripline impedance transformer
GB1589519A (en) * 1976-11-19 1981-05-13 Solartron Electronic Group Printed circuits
US4186352A (en) * 1978-03-23 1980-01-29 Rockwell International Corporation Signal converter apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3504222A (en) * 1966-10-07 1970-03-31 Hitachi Ltd Slow-wave circuit including meander line and shielding therefor
FR1523984A (fr) * 1967-05-25 1968-05-03 Fernsehgeratewerke Stassfurt V Dispositif de couplage conducteur pouvant être accordé pour oscillations électriques de haute fréquence
FR2032301A1 (de) * 1968-12-30 1970-11-27 Texas Instruments Inc
DE2142214B1 (de) * 1971-08-23 1973-02-15 Siemens AG, 1000 Berlin u 8000 München Hochfrequenzbauelement in streifenleitungstechnik

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2579846A1 (fr) * 1985-03-26 1986-10-03 Rogers Corp Retardateur de signaux electroniques
EP0302479A1 (de) * 1987-08-06 1989-02-08 Siemens Aktiengesellschaft Streifenleitungskoppler

Also Published As

Publication number Publication date
FR2449340B1 (de) 1983-07-22
US4313095A (en) 1982-01-26
FR2449340A1 (fr) 1980-09-12

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