EP1014472A1 - Richtkoppler - Google Patents
Richtkoppler Download PDFInfo
- Publication number
- EP1014472A1 EP1014472A1 EP99123509A EP99123509A EP1014472A1 EP 1014472 A1 EP1014472 A1 EP 1014472A1 EP 99123509 A EP99123509 A EP 99123509A EP 99123509 A EP99123509 A EP 99123509A EP 1014472 A1 EP1014472 A1 EP 1014472A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- strip
- coupled
- coupling
- substrate
- conductors
- 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.)
- Granted
Links
Images
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
-
- 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
- H01P5/187—Broadside coupled lines
Definitions
- the invention relates to a broadband directional coupler according to the preamble of Claim.
- Broadband directional couplers of this type are known (Meinke / Grundlach, paperback der Hochfrequenztechnik, 5th edition, pages L 33 and L 34; E.M.T. JONES, MICROWAVE FILTERS, IMPEDANCE MATCHING NETWORKS, AND COUPLING STRUCTURES, ARTECH HOUSE BOOKS, pages 776 and 790).
- the Cascade switched two, three or more coupling sections different Coupling attenuation is here between spatially curved opposite ones Conductors formed, the coupling sections with a fixed coupling a relatively small Distance of these conductors and the coupling sections with loose coupling one accordingly have a greater distance between these conductors. In between, the ladder is as kinked Transitional sections formed.
- This known structure of such broadband Directional coupler is very complex and expensive.
- This task is based on a broadband directional coupler according to the preamble of Patent claim solved by its characteristic features.
- all coupling sections are different Coupling attenuation in planar line technology is formed on a substrate the sections with loose coupling are coplanarly coupled on the face Microstrip lines and the sections with fixed coupling broadly coupled Microstrip lines as they are known per se (e.g. according to Meinke-Grundlach, Page L 33, table 1).
- the only coplanar coupled on the front Microstrip lines through which the coupling sections with loose coupling are formed are, are in the usual way in printed circuit technology on the top of a Formed substrate, the broadside coupled microstrip lines through which the coupling sections with fixed coupling are formed as opposite Strip lines are formed on the front and back of the substrate.
- the principle according to the invention is suitable for any number connected in cascade Coupling sections, also for any long coupling sections.
- the dimensioning the length and the number of coupling sections takes place in a known manner.
- a broadband directional coupler can be built up, for example, which a broad frequency band from 470 to 860 MHz for the exact division of a High-frequency power with mutual 90 ° phase position is suitable.
- Fig. 1 shows a broadband directional coupler, consisting of a total of three in cascade switched coupling sections 1, 2 and 3 different coupling attenuation
- Both outer coupling sections 1 and 3 have coupling damping, for example of - 19dB
- the intermediate section has a coupling attenuation of - 2.2dB.
- Each of the coupling sections 1, 2 and 3 has an electrical length of ⁇ / 4.
- the two outer coupling sections 1 and 3 of relatively loose coupling are through two side by side and only coupled on the front Coplanar lines 4 and 5 are formed, which are S-shaped to save space.
- the middle coupling section 2 of relatively fixed coupling is broadside by two coupled microstrip lines 6 and 7 formed on opposite sides of the substrate 8 are formed and face each other on the broad side.
- the one Strip line 5 of the two outer coupling sections 1 and 3 goes directly in each case the strip conductor 6 of the middle one formed on the front side of the substrate 8 Coupling section 2 over, the other stripline 4 of the two coupling sections 1 and 3 ends at a distance in front of the strip conductor 6 formed on the upper side and is by means of interconnections 11 with the rear strip conductor 7 of the middle coupling section 2 galvanically connected.
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Waveguide Connection Structure (AREA)
Abstract
Description
Claims (2)
- Breitbandrichtkoppler mit mindestens zwei in Kaskade geschalteten Koppelabschnitten (1, 2, 3) unterschiedlicher Koppeldämpfung, bei dem die Koppelabschnitte (1, 3) mit loser Kopplung aus stirnseitig verkoppelten Streifenleitern (4, 5) und die Koppelabschnitte (2) mit fester Kopplung aus breitseitig verkoppelten Streifenleitern (6, 7) bestehen,
dadurch gekennzeichnet,
daß die breitseitig verkoppelten Streifenleiter (6, 7) auf gegenüberliegenden Seiten eines Substrats (8) ausgebildet sind und dazu die rückseitige durchgehende Metallkaschierung (9) des Substrats (8) eine Ausnehmung (10) für den rückseitigen Streifenleiter (7) aufweist und die stirnseitig verkoppelten Streifenleiter daran anschließend auf der Vorderseite des gleichen Substrats (8) als Mikrostreifenleitungen ausgebildet sind. - Breitbandrichtkoppler nach Anspruch 1,
dadurch gekennzeichnet,
daß der eine Streifenleiter (5) der stirnseitig verkoppelten Streifenleiter (4, 5) auf der Vorderseite des Substrats (8) unmittelbar in den vorderseitigen Streifenleiter (6) der breitseitig verkoppelten Streifenleiter (6, 7) übergeht und der andere Streifenleiter (4) der stirnseitig verkoppelten Streifenleiter (4, 5) im Abstand vor dem auf der Vorderseite des Substrats ausgebildeten Streifenleiter (6) der breitseitig verkoppelten Streifenleiter (6, 7) endet und durch eine Durchverbindung (11) mit dem rückseitigen Streifenleiter (7) der breitseitig verkoppelten Streifenleiter (6, 7) galvanisch verbunden ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19858470A DE19858470A1 (de) | 1998-12-17 | 1998-12-17 | Richtkoppler |
DE19858470 | 1998-12-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1014472A1 true EP1014472A1 (de) | 2000-06-28 |
EP1014472B1 EP1014472B1 (de) | 2004-04-07 |
Family
ID=7891557
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99123509A Expired - Lifetime EP1014472B1 (de) | 1998-12-17 | 1999-11-25 | Richtkoppler |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1014472B1 (de) |
DE (2) | DE19858470A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006096445A1 (en) * | 2005-03-08 | 2006-09-14 | Werlatone, Inc. | Coupler with edge and broadside coupled sections |
EP1837946A1 (de) | 2006-03-25 | 2007-09-26 | HÜTTINGER Elektronik GmbH + Co. KG | Richtkoppler |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE522404C2 (sv) * | 2001-11-30 | 2004-02-10 | Ericsson Telefon Ab L M | Riktkopplare |
DE102005016054A1 (de) * | 2005-04-07 | 2006-10-12 | Kathrein-Werke Kg | Hochfrequenzkoppler oder Leistungsteiler, insbesondere schmalbandiger und/oder 3dB-Koppler oder Leistungsteiler |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3516024A (en) * | 1968-12-30 | 1970-06-02 | Texas Instruments Inc | Interdigitated strip line coupler |
JPS61184901A (ja) * | 1985-02-12 | 1986-08-18 | Mitsubishi Electric Corp | サスペンデツド線路形方向性結合器 |
US4967171A (en) * | 1987-08-07 | 1990-10-30 | Mitsubishi Danki Kabushiki Kaisha | Microwave integrated circuit |
WO1991004588A1 (en) * | 1989-09-14 | 1991-04-04 | Astec International Limited | Improved rf coupler |
US5057798A (en) * | 1990-06-22 | 1991-10-15 | Hughes Aircraft Company | Space-saving two-sided microwave circuitry for hybrid circuits |
-
1998
- 1998-12-17 DE DE19858470A patent/DE19858470A1/de not_active Withdrawn
-
1999
- 1999-11-25 DE DE59909108T patent/DE59909108D1/de not_active Expired - Lifetime
- 1999-11-25 EP EP99123509A patent/EP1014472B1/de not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3516024A (en) * | 1968-12-30 | 1970-06-02 | Texas Instruments Inc | Interdigitated strip line coupler |
DE1964412A1 (de) | 1968-12-30 | 1970-07-23 | Texas Instruments Inc | Koppelglied |
JPS61184901A (ja) * | 1985-02-12 | 1986-08-18 | Mitsubishi Electric Corp | サスペンデツド線路形方向性結合器 |
US4967171A (en) * | 1987-08-07 | 1990-10-30 | Mitsubishi Danki Kabushiki Kaisha | Microwave integrated circuit |
WO1991004588A1 (en) * | 1989-09-14 | 1991-04-04 | Astec International Limited | Improved rf coupler |
US5057798A (en) * | 1990-06-22 | 1991-10-15 | Hughes Aircraft Company | Space-saving two-sided microwave circuitry for hybrid circuits |
Non-Patent Citations (3)
Title |
---|
JONES, E.M.T. ET AL.: "Microwave filters, impedance-matching networks and coupling structures", ARTECH HOUSE BOOKS |
MEINKE/GUNDLACH: "Taschenbuch der Hochfrequenztechnik", 1992, 5. AUFLAGE, SPRINGER VERLAG |
PATENT ABSTRACTS OF JAPAN vol. 11, no. 11 (E - 470)<2458> 13 January 1987 (1987-01-13) * |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7245192B2 (en) * | 2003-12-08 | 2007-07-17 | Werlatone, Inc. | Coupler with edge and broadside coupled sections |
WO2006096445A1 (en) * | 2005-03-08 | 2006-09-14 | Werlatone, Inc. | Coupler with edge and broadside coupled sections |
GB2439501A (en) * | 2005-03-08 | 2007-12-27 | Werlatone Inc | Coupler with edge and broadside coupled sections |
GB2439501B (en) * | 2005-03-08 | 2008-07-16 | Werlatone Inc | Coupler with edge and broadside coupled sections |
CN101171719B (zh) * | 2005-03-08 | 2012-05-23 | 韦拉托内有限公司 | 具有边缘及宽边耦合部段的耦合器 |
EP1837946A1 (de) | 2006-03-25 | 2007-09-26 | HÜTTINGER Elektronik GmbH + Co. KG | Richtkoppler |
US7755451B2 (en) | 2006-03-25 | 2010-07-13 | Huettinger Elektronik Gmbh + Co. Kg | Directional coupler |
EP1837946B1 (de) * | 2006-03-25 | 2012-07-11 | HÜTTINGER Elektronik GmbH + Co. KG | Richtkoppler |
Also Published As
Publication number | Publication date |
---|---|
DE59909108D1 (de) | 2004-05-13 |
EP1014472B1 (de) | 2004-04-07 |
DE19858470A1 (de) | 2000-06-21 |
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