EP2211420A1 - Réseau de répartition de puissance HF à résonateur d'espace creux - Google Patents

Réseau de répartition de puissance HF à résonateur d'espace creux Download PDF

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Publication number
EP2211420A1
EP2211420A1 EP10151262A EP10151262A EP2211420A1 EP 2211420 A1 EP2211420 A1 EP 2211420A1 EP 10151262 A EP10151262 A EP 10151262A EP 10151262 A EP10151262 A EP 10151262A EP 2211420 A1 EP2211420 A1 EP 2211420A1
Authority
EP
European Patent Office
Prior art keywords
cavity resonator
network
network according
microwave substrate
resonator
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Withdrawn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
EP10151262A
Other languages
German (de)
English (en)
Inventor
William Gautier
Dr. Volker Ziegler
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.)
Airbus Defence and Space GmbH
Original Assignee
EADS Deutschland GmbH
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 EADS Deutschland GmbH filed Critical EADS Deutschland GmbH
Publication of EP2211420A1 publication Critical patent/EP2211420A1/fr
Withdrawn legal-status Critical Current

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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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/0006—Particular feeding systems
    • H01Q21/0037—Particular feeding systems linear waveguide fed arrays
    • H01Q21/0043—Slotted waveguides
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/061—Two dimensional planar arrays
    • H01Q21/065—Patch antenna array

Definitions

  • the invention relates to a network for distributing or collecting high-frequency electromagnetic radiation (HF) of at least one coupling-in unit and at least one decoupling unit.
  • HF high-frequency electromagnetic radiation
  • Such networks are primarily for effecting a distribution or collection of RF radiation between transmitters for RF and thus coupled transmit antennas or RF receive antennas and receivers coupled thereto, when an antenna is associated with a plurality of antennas or multiple transmitters / receivers of a transmitter or receiver.
  • a typical application is to apply a radar directional antenna formed by a plurality of planar antennas or, more precisely, their individual antennas by means of an RF transmitter.
  • this object is achieved by the features listed in claim 1.
  • the use of a cavity resonator results in a structurally very simple structure, which also has very low losses.
  • the network can be formed very flat, which reduces the space for the entire system (transmitter / receiver with network and antenna).
  • the invention allows very variable designs of the RF coupler and thus a corresponding margin in the design of antenna arrays.
  • the cavity resonator is rectangular, round, oval or spherical, whereby a simple adaptation to different geometric requirements in terms of the interface to the antenna is possible.
  • the cavity resonator has a height of only 0.5 to 2 mm, whereby a very compact design of the network is possible.
  • a further advantageous embodiment of the invention provides that the cavity resonator is filled with gas, in particular air, whereby it has only a low weight and low losses.
  • the interior of the cavity may consist of a dielectric, in particular PVC (polyvinyl chloride) and alumina (Al 2 O 3 ). This design has the advantage that the size of the resonator is smaller.
  • a particularly advantageous embodiment of the invention provides that the cavity resonator is made of a dielectric substrate, in particular FR4 (epoxy resin + glass fiber fabric), Teflon, LTCC, LCP (Liquid Crystalline Polymer), silicone and the outer wall thereof by a chain of vias (Vertical Interconnect Access ) is formed.
  • FR4 epoxy resin + glass fiber fabric
  • Teflon Teflon
  • LTCC LTCC
  • LCP Liquid Crystalline Polymer
  • silicone Lamd Crystalline Polymer
  • the chain of vias is arranged to form a reflective wall for the RF used. This arrangement is technically easy to manufacture and allows any shape of the cavity resonator interior.
  • the network comprises a first microwave substrate and a second microwave substrate, between which the cavity resonator is arranged.
  • These two two-sided microwave substrates are preferably made of FR4 (epoxy resin + glass fiber fabric), Teflon, LTCC, LCP (Liquid Crystalline Polymer), Silicon, alumina (Al 2 O 3 ) and serve to introduce the HF in the cavity resonator or out of this and in particular to feed corresponding antennas.
  • a development of this inventive concept provides that RF lines are each arranged on the cavity of the resonator opposite sides of the microwave substrates, which causes an entry or exit of the HF.
  • the network comprises only one microwave substrate, which is arranged on one side of the cavity resonator.
  • the input and output RF lines are disposed on one side of the microwave substrate, on the one opposite the cavity resonator.
  • a further preferred embodiment provides that a number of couplers are arranged in a defined assignment to the stationary RF wave formed in the cavity resonator in order to effect a desired power division or power combination.
  • the output couplers are arranged in the region of the shaft maxima of the stationary HF wave, since in this case the radiated RF power is maximal.
  • a targeted distribution of decoupled RF can be adjusted to provide individual radiating elements with less energy.
  • the network according to the invention can be designed as a collection or distribution network. In particular, it may serve to distribute the energy of an RF transmitter to a plurality of antennas. Conversely, the RF received via a plurality of receive antennas can be combined via the network and fed to a receive amplifier.
  • the network according to the invention preferably comprises at least one microwave substrate, on whose side opposite the cavity resonator a number of antennas of the antenna array are arranged. This achieves a very compact design.
  • an advantageous embodiment provides that a number of two-dimensional grid-like arranged antennas is formed by a plurality of antenna rows, the antennas of each antenna array are respectively connected by a line to form the antenna rows and the cavity resonator comprises a coupler for each line.
  • the network according to the invention is preferably operated as a power distribution network or power collection network in the HF range of 20-150 GHz.
  • an amplifier for the HF range of 20-150 GHz comprises a power distribution network having an RF input and a number of RF outputs, which act on RF power amplifiers, and the outputs the RF power amplifier is driving inputs to a power collection network.
  • Fig. 1 shows a first embodiment of an RF network 10a in a schematic sectional view.
  • This RF network 10a essentially consists of a cavity resonator 12a, which is sandwiched on both sides by two microwave substrates 14a and 16a .
  • an input line 16 is provided for the coupling of HF, for example, from an upstream RF amplifier.
  • At least one input coupler 18a is provided, via which the HF from the first microwave substrate 14a is introduced into the cavity resonator 12a .
  • a plurality of output couplers 20a Through which the HF is introduced into the second microwave substrate 16a .
  • a number of radiating elements 22a are arranged, via which the HF is radiated to the environment.
  • these radiating elements 22a are formed as planar antennas, which form a one- or two-dimensional antenna array.
  • Fig. 2 an alternative RF network implementation 10b is shown, which differs from the embodiment according to FIG Fig. 1 differs in that only on one side of the cavity 12b, a microwave substrate 14b is arranged, which serves both for the introduction and for the discharge of the HF.
  • the microwave substrate 14b has an input RF line 16 , an input coupler 18b between the microwave substrate 14b and the cavity resonator 12b, and a number of output couplers 20b and radiating elements 22b.
  • a standing RF wave forms in the cavity resonator 12a or 12b and, depending on the spatial arrangement of the output couplers 20a and 20b with respect to the wave maxima, individual radiation elements 22a, 22b can be assigned a predetermined HF intensity, so that one can be imparted by the sum of the radiating elements 22a, 22b directional antenna a targeted radiation characteristic.
  • Fig. 3 Several preferred embodiments for the geometric shape of the cavity resonator 12 are shown, namely a structure with a square, rectangular or circular cross-section or a spherical shape.
  • the suitable shape of the cavity resonator 12 is preferably chosen such that an optimal adaptation to the shape or geometric arrangement of the radiating elements is given.
  • a schematic perspective view of an embodiment of a network 10c is shown with a one-dimensional antenna array.
  • This includes a rectangular cavity resonator 12c having input RF lines 16 and an input coupler 18c, a microwave substrate 14c, and radiating elements 22c arranged in a straight line and below those in the cavity resonator 12c and microwave substrate 14c junction Output coupler 20c are arranged. Further, an input RF line 16 and an input coupler 18c for coupling the RF are provided.
  • Fig. 5 shows an RF network implementation 10d, which is essentially that of Fig. 4 corresponds with the difference that a two dimensional array of radiating elements 22d is provided on the microwave substrate 14d constituting a planar-type directional antenna.
  • Fig. 6 shows another embodiment of an RF network 10e with a two-dimensional antenna array, in which a rectangular cavity 12e is provided, which communicates with a larger, in the illustrated embodiment approximately square microwave substrate 14e via a number of couplers 20e .
  • couplers 20e are in turn connected by means of HF lines 24 in each case to a number of radiating elements 22e lying one behind the other, which together form a two-dimensional matrix, that is to say an antenna array.
  • the HF is supplied via the input lines 16 to the network 10a to 10e and emitted via the emission elements 22a to 22e .
  • it is a distribution network that distributes the RF from one source to different radiating elements or transmitting antennas 22a-22e .
  • Such a network 10a to 10e can also be operated in reverse, that is to say that the emitting elements 22a - 22e form receiving antennas and the HF is collected and removed via the line 16 .
  • Fig. 7 shows an embodiment of an RF amplifier using distribution and collection networks.
  • the HF is fed via an HF feed line 30 to a distribution network 32 , from where it is supplied via lines 34 to a number (five in the illustrated example) RF power amplifiers 36 .
  • the RF amplified therein is supplied via further lines 38 to a second collection network 40 and subsequently supplied via the output line 42 for further use.

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  • Control Of Motors That Do Not Use Commutators (AREA)
  • Amplifiers (AREA)
  • Microwave Amplifiers (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
EP10151262A 2009-01-21 2010-01-21 Réseau de répartition de puissance HF à résonateur d'espace creux Withdrawn EP2211420A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200910005502 DE102009005502B4 (de) 2009-01-21 2009-01-21 Hohlraumresonator HF-Leistung Verteilnetzwerk

Publications (1)

Publication Number Publication Date
EP2211420A1 true EP2211420A1 (fr) 2010-07-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP10151262A Withdrawn EP2211420A1 (fr) 2009-01-21 2010-01-21 Réseau de répartition de puissance HF à résonateur d'espace creux

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EP (1) EP2211420A1 (fr)
DE (1) DE102009005502B4 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2343778A1 (fr) * 2009-12-29 2011-07-13 Robert Bosch GmbH Antenne
CN112133618A (zh) * 2020-09-10 2020-12-25 清华大学 一种多模式微波脉冲压缩器

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0476675A1 (fr) * 1990-09-20 1992-03-25 Hughes Aircraft Company Réseau de distribution de signaux EHF alimenté par résonateurs.
US5694134A (en) * 1992-12-01 1997-12-02 Superconducting Core Technologies, Inc. Phased array antenna system including a coplanar waveguide feed arrangement
US5821836A (en) * 1997-05-23 1998-10-13 The Regents Of The University Of Michigan Miniaturized filter assembly
US20020158722A1 (en) * 2001-04-27 2002-10-31 Kenichi Maruhashi High frequency circuit substrate and method for forming the same
US20060077102A1 (en) * 2004-07-23 2006-04-13 Farrokh Mohamadi Wafer scale beam forming antenna module with distributed amplification
US20070069965A1 (en) * 2005-09-23 2007-03-29 University Of South Florida High-Frequency Feed Structure Antenna Apparatus and Method of Use
US20080117114A1 (en) * 2006-05-24 2008-05-22 Haziza Dedi David Apparatus and method for antenna rf feed

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3582350B2 (ja) * 1997-04-21 2004-10-27 株式会社村田製作所 誘電体フィルタ、送受共用器および通信機
KR100651627B1 (ko) * 2005-11-25 2006-12-01 한국전자통신연구원 교차결합을 갖는 유전체 도파관 필터

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0476675A1 (fr) * 1990-09-20 1992-03-25 Hughes Aircraft Company Réseau de distribution de signaux EHF alimenté par résonateurs.
US5694134A (en) * 1992-12-01 1997-12-02 Superconducting Core Technologies, Inc. Phased array antenna system including a coplanar waveguide feed arrangement
US5821836A (en) * 1997-05-23 1998-10-13 The Regents Of The University Of Michigan Miniaturized filter assembly
US20020158722A1 (en) * 2001-04-27 2002-10-31 Kenichi Maruhashi High frequency circuit substrate and method for forming the same
US20060077102A1 (en) * 2004-07-23 2006-04-13 Farrokh Mohamadi Wafer scale beam forming antenna module with distributed amplification
US20070069965A1 (en) * 2005-09-23 2007-03-29 University Of South Florida High-Frequency Feed Structure Antenna Apparatus and Method of Use
US20080117114A1 (en) * 2006-05-24 2008-05-22 Haziza Dedi David Apparatus and method for antenna rf feed

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MEKKI BELAID ET AL: "Integrated Active Antenna Array Using Unidirectional Dielectric Radiators", IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, IEEE SERVICE CENTER, PISCATAWAY, NJ, US, vol. 48, no. 10, 1 October 2000 (2000-10-01), XP011038082, ISSN: 0018-9480 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2343778A1 (fr) * 2009-12-29 2011-07-13 Robert Bosch GmbH Antenne
US9007268B2 (en) 2009-12-29 2015-04-14 Robert Bosch Gmbh Antenna
CN112133618A (zh) * 2020-09-10 2020-12-25 清华大学 一种多模式微波脉冲压缩器

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Publication number Publication date
DE102009005502A1 (de) 2010-07-22
DE102009005502B4 (de) 2014-07-03

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