DE20103831U1 - Directly coupled three-band feed system for short-wave antennas - Google Patents

Directly coupled three-band feed system for short-wave antennas

Info

Publication number
DE20103831U1
DE20103831U1 DE20103831U DE20103831U DE20103831U1 DE 20103831 U1 DE20103831 U1 DE 20103831U1 DE 20103831 U DE20103831 U DE 20103831U DE 20103831 U DE20103831 U DE 20103831U DE 20103831 U1 DE20103831 U1 DE 20103831U1
Authority
DE
Germany
Prior art keywords
frequency ranges
elements
director
band
parasitic
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.)
Expired - Lifetime
Application number
DE20103831U
Other languages
German (de)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE20103831U priority Critical patent/DE20103831U1/en
Publication of DE20103831U1 publication Critical patent/DE20103831U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/28—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using a secondary device in the form of two or more substantially straight conductive elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system

Landscapes

  • Aerials With Secondary Devices (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (3)

1. Direkt gekoppeltes Dreiband-Speisesystem für Kurzwellen-Antennen mit den Spezifikationen:
  • 1. 1.1 Speisesystem bestehend aus drei Monoband-Strahlerelementen, die
  • - im Regelfall "full-size" (= unverkürzt) sind, Länge der einzelnen Strahler-Elemente in Abhängigkeit vom jeweiligen Antennentyp
  • - evtl. aber auch mechanisch verkürzt und durch entsprechende Möglichkeiten elektische verlängert sein können (z. B. durch "linear-loading", "kapazitives end-loading", Induktives loading" mittels Spulen hoher Güte o. ä.).
    • 1. 1.2 Anordnung der drei Strahler-Elemente in Form einer Strahlerzelle in der Reihenfolge:
  • - Mitte = Element für das frequenzmäßig niedrigste Band der drei Frequenzbereiche
  • - vor der Mitte (+ ca. 0,5 bis 1,0 m) = Element für das frequienzmäßig mittlere Band der drei Frequenzbereiche
  • - hinter der Mitte (- ca. 0,5 bis 1,0 m) = Element für das frequenzmäßig höchste Band der drei Frequenzbereiche.
    • 1. 1.3 Speisung der drei Strahlerelemente, die in der Mitte aufgetrennt sind, durch Ver­ bindung dieser mittels einer Phasenleitung, die aus zwei parallel verlaufenden Leichtmetallrohren besteht, die abstandsmäßig so angeordnet sind, daß sich eine Impedanz der Phasenleitung in der Größenordnung von 50 Ohm (Bereich 40 bis 100 Ohm) ergibt.
    • 2. 1.4 Erregung des Speisesystems mittels nur einer Speisequelle Anschluß Speisekabel) über die Phasenleitung.
1. Directly coupled three-band feed system for short-wave antennas with the specifications:
  • 1. 1.1 feeding system consisting of three monoband radiator elements that
  • - are generally "full-size" (= unabridged), length of the individual radiator elements depending on the respective antenna type
  • - but possibly also mechanically shortened and electrically extended by appropriate options (e.g. by "linear-loading", "capacitive end-loading", inductive loading "by means of high quality coils or the like).
    • 1. 1.2 Arrangement of the three radiator elements in the form of a radiator cell in the order:
  • - Middle = element for the lowest frequency band of the three frequency ranges
  • - in front of the middle (+ approx. 0.5 to 1.0 m) = element for the medium band of the three frequency ranges
  • - behind the middle (- approx. 0.5 to 1.0 m) = element for the highest frequency band of the three frequency ranges.
    • 1. 1.3 supply of the three radiator elements, which are separated in the middle, by connecting them by means of a phase line, which consists of two parallel light metal tubes, which are spaced so that there is an impedance of the phase line in the order of 50 ohms ( Range 40 to 100 ohms) results.
    • 2. 1.4 Excitation of the feed system by means of only one feed source (connection of feed cable) via the phase line.
2. Speisesystem nach Schutzanspruch 1 in Verbindung mit Parasitärelementen zur Weiterent­ wicklung hin zu einer Antenne durch:
  • 1. 2.1 Einsatz eines parasitären Direktor-Elements für das frequenzhöchste Band der drei Frequenzbereiche (Zwangsdirektor = Quasi-Bestandteil des Speisesystems), plaziert nach vorne gesehen (Strahlungsrichtung) vor der Strahlerzelle, Elementlänge und Abstand in Abhängigkeit vom jeweiligen Antennentyp.
  • 2. 2.2 Neben dem im Schutzanspruch 2.1 beschriebenen Zwangsdirektor zusätzlich Einsatz von einem oder mehreren parasitären Direktor-Elementen für die drei Frequenz­ bereiche, plaziert nach vorne gesehen vor dem Zwangsdirektor, Anzahl, Elementlängen und Abstände der Direktoren in Abhängigkeit vom jeweiligen Antennentyp.
  • 3. 2.3 In Abhängigkeit vom jeweiligen Antennentyp Einsatz von mindestens zwei oder aber drei (= für jeden der drei Frequenzbereiche ein eigenes) parasitären Reflektor­ elementen, plaziert nach hinten gesehen hinter der Strahlerzelle, wobei von der Reihenfolge nach hinten gesehen zuerst der Reflektor für das frequenzmäßig mittlere, dann der für das frequenzmäßig höchste und zuletzt der für das frequenzmäßig niedrigste Band plaziert ist, Elementlängen und Abstände in Abhängigkeit vom jeweiligen Antennentyp.
2. Feeding system according to protection claim 1 in connection with parasitic elements for further development towards an antenna by:
  • 1. 2.1 Use of a parasitic director element for the highest frequency band of the three frequency ranges (compulsory director = quasi-component of the feed system), placed in front (radiation direction) in front of the radiator cell, element length and distance depending on the respective antenna type.
  • 2.2 In addition to the compulsory director described in claim 2.1, the use of one or more parasitic director elements for the three frequency ranges, placed in front of the compulsory director, the number, element lengths and spacing of the directors depending on the respective antenna type.
  • 3. 2.3 Depending on the respective antenna type, use of at least two or three (= a separate for each of the three frequency ranges) parasitic reflector elements, placed behind the radiator cell, viewed from the rear, first the reflector for the frequency middle, then the one with the highest frequency and finally with the lowest frequency, element lengths and distances depending on the respective antenna type.
3. Speisesystem nach Schutzanspruch 1 in Kombination mit einem zweiten Speisesystem dieses Typs oder insbesondere mit einem 'Direkt gekoppelten Zweiband-Speisesystem für Kurzwellen-Antennen' (sh. separate Gebrauchsmuster-Anmeldung Christian Römer vom 28.02.2001)
  • - in Verbindung mit parasitären Reflektoren und Direktoren
  • - unter Verwendung von insgesamt zwei Speisequellen im Sinne einer Antenne für sechs bzw. fünf Kurzwellen-Frequenzbereiche.
3. Feeding system according to protection claim 1 in combination with a second feeding system of this type or in particular with a 'directly coupled two-band feeding system for shortwave antennas' (see separate utility model application Christian Römer from 28.02.2001)
  • - in connection with parasitic reflectors and directors
  • - Using a total of two sources in the sense of an antenna for six or five short-wave frequency ranges.
DE20103831U 2001-03-06 2001-03-06 Directly coupled three-band feed system for short-wave antennas Expired - Lifetime DE20103831U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20103831U DE20103831U1 (en) 2001-03-06 2001-03-06 Directly coupled three-band feed system for short-wave antennas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20103831U DE20103831U1 (en) 2001-03-06 2001-03-06 Directly coupled three-band feed system for short-wave antennas

Publications (1)

Publication Number Publication Date
DE20103831U1 true DE20103831U1 (en) 2001-08-02

Family

ID=7953881

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20103831U Expired - Lifetime DE20103831U1 (en) 2001-03-06 2001-03-06 Directly coupled three-band feed system for short-wave antennas

Country Status (1)

Country Link
DE (1) DE20103831U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1576699A1 (en) * 2002-11-06 2005-09-21 Telstra Corporation Limited A transmit antenna

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1576699A1 (en) * 2002-11-06 2005-09-21 Telstra Corporation Limited A transmit antenna
EP1576699A4 (en) * 2002-11-06 2006-07-05 Telstra Corp Ltd A transmit antenna

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20010906

R150 Term of protection extended to 6 years

Effective date: 20040601

R151 Term of protection extended to 8 years

Effective date: 20070420

R158 Lapse of ip right after 8 years

Effective date: 20091001