WO2001008252A1 - Übergang von einem hohlleiter auf eine streifenleitung - Google Patents
Übergang von einem hohlleiter auf eine streifenleitung Download PDFInfo
- Publication number
- WO2001008252A1 WO2001008252A1 PCT/IB2000/001140 IB0001140W WO0108252A1 WO 2001008252 A1 WO2001008252 A1 WO 2001008252A1 IB 0001140 W IB0001140 W IB 0001140W WO 0108252 A1 WO0108252 A1 WO 0108252A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- substrate
- waveguide
- ground
- strip line
- transition
- Prior art date
Links
- 230000007704 transition Effects 0.000 title claims description 20
- 239000000758 substrate Substances 0.000 claims abstract description 45
- 238000007747 plating Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
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
- H01P5/08—Coupling devices of the waveguide type for linking dissimilar lines or devices
- H01P5/10—Coupling devices of the waveguide type for linking dissimilar lines or devices for coupling balanced lines or devices with unbalanced lines or devices
- H01P5/107—Hollow-waveguide/strip-line transitions
Definitions
- the present invention relates to a transition from a waveguide to a strip line, the strip line running on a substrate protruding through an opening into the waveguide and a ground line belonging to the strip line being contacted with the waveguide wall.
- Such a transition from a waveguide to a strip line is known from US 5,202,648.
- the strip line runs on the upper side of the substrate, and the associated ground line consists of a conductive surface which is applied to the opposite side of the substrate and which is in contact with the waveguide wall.
- a weak point of such transitions between a waveguide and a stripline is an often too low reflection loss and also a too high passage loss.
- the invention is therefore based on the object of specifying a transition of the type mentioned at the outset has the highest possible reflection loss and the lowest possible transmission loss.
- the ground line belonging to the strip line consists of a plurality of ground areas layered one above the other in the substrate, all of which are contacted with one another by means of plated-through holes in the substrate.
- the multilayer ground line results in a more favorable field conversion from the strip line to the waveguide, which results in a high reflection loss and a low transmission loss for the transition.
- ground surfaces are applied to the substrate on both sides next to the strip line and that these ground surfaces are contacted via vias with the other ground surfaces layered one above the other in the substrate.
- the substrate is advantageously fixed to the waveguide wall with at least one screw on a support, the screw being guided through the ground surface and making electrical contact between the latter and the support.
- a low passage loss is achieved by the fact that the head of the at least one screw rests on one of the lateral ground surfaces next to the strip line on the substrate top and that a conductive band is clamped between the screw head and the ground surface, which is connected to the waveguide wall.
- At least one conductive elastic body can be inserted between at least one of the two ground surfaces located on the side of the strip line and a projection of the waveguide wall projecting beyond the ground surfaces.
- a conductive elastic body can be pressed in between the head of the at least one screw and the projection of the waveguide wall.
- Figure 1 is a perspective view of a transition from a waveguide to a strip line
- Figure 2 shows a longitudinal section A-A through the transition
- Figure 3 shows a cross section B-B through the transition.
- a strip line 2 runs on a multi-layer substrate 1 (multi-layer substrates).
- a tongue 5 located on the substrate 1 is inserted into the Waveguide 3 protrudes.
- the end of the strip line 2 running on the tongue 5 acts as an antenna 6 for coupling the waveguide field to the strip line or vice versa.
- two ground areas 7 and 8 are applied to the top of the substrate next to the strip line 2, and in addition a plurality of ground areas are stacked on top of one another within the multilayer substrate, all of which have the same ground potential.
- the cross section B-B shown in FIG. 3 through the waveguide 3 into the substrate 1 shows the multilayer ground areas 9 within the substrate 1.
- the longitudinal section AA shown in FIG. 2 shows the two symmetrical ground surfaces 7 and 8 on both sides of the strip line 2. These ground surfaces 7 and 8 on the upper side of the substrate are electrically conductively connected to the other ground surfaces 9 stacked one above the other within the substrate 1 by a plurality of plated-through holes 10 , The locations and distances of the plated-through holes 10 are selected such that field spreading into the spaces between the ground surfaces of the multilayer substrate 1 is prevented. This could interfere with the function of circuits arranged in the individual substrate layers.
- the ground surfaces 9 of the substrate 1 preferably project into the waveguide 3 by a few tenths of a millimeter in order to increase the positional tolerance of the substrate 1 with respect to the waveguide 3.
- the field configuration under the strip line 2 in the waveguide 3 is closely related to the position of the ground surfaces 9. If the position of the substrate 1 is changed slightly, the field remains unchanged due to the position tolerance of the ground surfaces 9.
- a penetration depth of the ground planes 9 into the waveguide 3 of 0.5-1.0 mm makes sense.
- the multilayer substrate 1 forms a larger virtual one
- Mass which creates a field configuration that is better converted into a waveguide shaft. This is because the larger expansion of the mass (due to the large number of stacked ground surfaces) in the direction of the broad side of the waveguide 3 intensifies the field into one
- through-plating 11 is provided at the end of the antenna 6 of the strip line 2 running on the substrate tongue 5.
- This through plating 11 at the end of the antenna 6 of the strip line leads to a broadening of the frequency band of the transition from the waveguide 3 to the strip line 2.
- the thicker structure of the substrate 1 also increases the through-contact 11 at the end of the antenna 6, which leads to a more favorable conversion of the stripline field contributes to the waveguide field.
- the substrate 1 is fixed by means of at least one screw - in the exemplary embodiment shown in FIG. 2 there are two screws 12 and 13 - on a support 14 extending from the waveguide wall below the opening 4.
- the screws 12 and 13 rest with their heads on the ground surfaces 7 and 8 applied laterally next to the strip line 2 and thus make electrical contact between the ground surfaces 7 and 8 and the stacked ground surfaces 9 in the substrate 1 and the waveguide wall 14. Characterized in that in addition a contact between the applied on the top of the substrate 1 ground lines 7 and 8 and the Waveguide wall is produced, the through loss of the transition is reduced.
- This contact can, as shown in Figure 2, by means of conductive strips 15 and 16, which at one end between the heads of the screws 12 and 13 and the conductive surfaces 7 and 8 and at their other end in the parting plane 17 of the two half-shells existing waveguide 3 are clamped.
- FIG. 3 Another variant for the contacting of the ground surfaces 7, 8 and screws 12, 13 with the waveguide wall is shown in FIG. 3.
- the waveguide 3 has a wall projection 18 above its opening 4, which protrudes over the ground surfaces 7 and 8 on the top of the substrate 1 protrudes. Between the ground surfaces 7 and 8 on the
- One or more conductive elastic bodies 19 are clamped in on the substrate top and the wall projection 18.
- One or more conductive elastic bodies 20 can also be pressed in between the heads of the screws 12 and 13 and the wall projection 18.
Landscapes
- Waveguides (AREA)
- Waveguide Aerials (AREA)
- Optical Integrated Circuits (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Electric Cable Installation (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00949855A EP1205006B1 (de) | 1999-07-22 | 2000-07-19 | Übergang von einem hohlleiter auf eine streifenleitung |
DE50014027T DE50014027D1 (de) | 1999-07-22 | 2000-07-19 | Übergang von einem hohlleiter auf eine streifenleitung |
AU63111/00A AU6311100A (en) | 1999-07-22 | 2000-07-19 | Transition from a waveguide to a microstrip |
NO20020297A NO20020297L (no) | 1999-07-22 | 2002-01-18 | Overgang fra en bölgeleder til en båndledning |
US10/937,131 US7002431B2 (en) | 1999-07-22 | 2004-09-09 | Transition from a waveguide to a microstrip having a secured arrangement |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19934351.9 | 1999-07-22 | ||
DE19934351A DE19934351A1 (de) | 1999-07-22 | 1999-07-22 | Übergang von einem Hohlleiter auf eine Streifenleitung |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10031729 A-371-Of-International | 2000-07-19 | ||
US10/937,131 Continuation US7002431B2 (en) | 1999-07-22 | 2004-09-09 | Transition from a waveguide to a microstrip having a secured arrangement |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001008252A1 true WO2001008252A1 (de) | 2001-02-01 |
Family
ID=7915641
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2000/001140 WO2001008252A1 (de) | 1999-07-22 | 2000-07-19 | Übergang von einem hohlleiter auf eine streifenleitung |
Country Status (8)
Country | Link |
---|---|
US (1) | US7002431B2 (de) |
EP (1) | EP1205006B1 (de) |
CN (1) | CN1196222C (de) |
AT (1) | ATE353165T1 (de) |
AU (1) | AU6311100A (de) |
DE (2) | DE19934351A1 (de) |
NO (1) | NO20020297L (de) |
WO (1) | WO2001008252A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8262571B2 (en) * | 2003-05-22 | 2012-09-11 | Stephen Ritland | Intermuscular guide for retractor insertion and method of use |
US7420436B2 (en) * | 2006-03-14 | 2008-09-02 | Northrop Grumman Corporation | Transmission line to waveguide transition having a widened transmission with a window at the widened end |
US7479842B2 (en) * | 2006-03-31 | 2009-01-20 | International Business Machines Corporation | Apparatus and methods for constructing and packaging waveguide to planar transmission line transitions for millimeter wave applications |
US20080048798A1 (en) * | 2006-08-23 | 2008-02-28 | Inventec Corporation | Transmission line for in-circuit testing |
US7847654B2 (en) * | 2008-07-28 | 2010-12-07 | Bosch Security Systems, Inc. | Multilayer microstripline transmission line transition |
CN202050037U (zh) * | 2010-11-30 | 2011-11-23 | 中兴通讯股份有限公司 | 波导微带转换装置及设备 |
US10522894B2 (en) * | 2015-05-19 | 2019-12-31 | Mitsubishi Electric Corporation | Coaxial line to microstrip line conversion circuit, where the conversion circuit comprises a waveguide in which the coaxial line and the microstrip line are disposed |
KR102457114B1 (ko) * | 2020-12-16 | 2022-10-20 | 주식회사 넥스웨이브 | 다층 pcb의 전송선로와 웨이브가이드 간의 전이구조 |
CN114284676B (zh) * | 2021-12-24 | 2022-07-29 | 电子科技大学 | 一种基于v型天线的波导-微带过渡结构 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1992019020A1 (fr) * | 1991-04-16 | 1992-10-29 | Centre Regional D'innovation Et De Transfert De Technologie En Electronique Et Communication (Critt) | Transition ligne microruban/guide d'ondes |
WO1994002970A1 (en) * | 1992-07-23 | 1994-02-03 | Cambridge Computer Limited | Rf waveguide signal transition apparatus |
US5867073A (en) * | 1992-05-01 | 1999-02-02 | Martin Marietta Corporation | Waveguide to transmission line transition |
EP0920071A2 (de) * | 1997-11-26 | 1999-06-02 | TRW Inc. | LTCC-Gehäuse für Millimeterwellen |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5202648A (en) * | 1991-12-09 | 1993-04-13 | The Boeing Company | Hermetic waveguide-to-microstrip transition module |
DE69308906T2 (de) * | 1992-01-21 | 1997-09-11 | Sharp Kk | Hohlleiterkoaxialübergang und Umsetzer für Satellitenrundfunkantenne mit einem derartigen Hohlleiter |
DE69835633T2 (de) * | 1997-04-25 | 2007-08-23 | Kyocera Corp. | Hochfrequenzbaugruppe |
SE513288C2 (sv) * | 1998-12-22 | 2000-08-21 | Ericsson Telefon Ab L M | Bredbandig mikrostrip-vågledarövergång |
-
1999
- 1999-07-22 DE DE19934351A patent/DE19934351A1/de not_active Withdrawn
-
2000
- 2000-07-19 AU AU63111/00A patent/AU6311100A/en not_active Abandoned
- 2000-07-19 DE DE50014027T patent/DE50014027D1/de not_active Expired - Fee Related
- 2000-07-19 CN CN00810739.4A patent/CN1196222C/zh not_active Expired - Fee Related
- 2000-07-19 WO PCT/IB2000/001140 patent/WO2001008252A1/de active IP Right Grant
- 2000-07-19 EP EP00949855A patent/EP1205006B1/de not_active Expired - Lifetime
- 2000-07-19 AT AT00949855T patent/ATE353165T1/de not_active IP Right Cessation
-
2002
- 2002-01-18 NO NO20020297A patent/NO20020297L/no unknown
-
2004
- 2004-09-09 US US10/937,131 patent/US7002431B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1992019020A1 (fr) * | 1991-04-16 | 1992-10-29 | Centre Regional D'innovation Et De Transfert De Technologie En Electronique Et Communication (Critt) | Transition ligne microruban/guide d'ondes |
US5867073A (en) * | 1992-05-01 | 1999-02-02 | Martin Marietta Corporation | Waveguide to transmission line transition |
WO1994002970A1 (en) * | 1992-07-23 | 1994-02-03 | Cambridge Computer Limited | Rf waveguide signal transition apparatus |
EP0920071A2 (de) * | 1997-11-26 | 1999-06-02 | TRW Inc. | LTCC-Gehäuse für Millimeterwellen |
Also Published As
Publication number | Publication date |
---|---|
US7002431B2 (en) | 2006-02-21 |
AU6311100A (en) | 2001-02-13 |
NO20020297L (no) | 2002-03-15 |
CN1196222C (zh) | 2005-04-06 |
EP1205006B1 (de) | 2007-01-31 |
US20050040911A1 (en) | 2005-02-24 |
ATE353165T1 (de) | 2007-02-15 |
DE50014027D1 (de) | 2007-03-22 |
EP1205006A1 (de) | 2002-05-15 |
NO20020297D0 (no) | 2002-01-18 |
CN1364325A (zh) | 2002-08-14 |
DE19934351A1 (de) | 2001-02-08 |
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