FI121037B - Inställbar flerbandsantenn - Google Patents

Inställbar flerbandsantenn Download PDF

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Publication number
FI121037B
FI121037B FI20031833A FI20031833A FI121037B FI 121037 B FI121037 B FI 121037B FI 20031833 A FI20031833 A FI 20031833A FI 20031833 A FI20031833 A FI 20031833A FI 121037 B FI121037 B FI 121037B
Authority
FI
Finland
Prior art keywords
circuit
antenna
antenna according
reactive
operating band
Prior art date
Application number
FI20031833A
Other languages
English (en)
Finnish (fi)
Other versions
FI20031833A (sv
FI20031833A0 (sv
Inventor
Zlatoljub Milosavljevic
Original Assignee
Pulse Finland Oy
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 Pulse Finland Oy filed Critical Pulse Finland Oy
Priority to FI20031833A priority Critical patent/FI121037B/sv
Publication of FI20031833A0 publication Critical patent/FI20031833A0/sv
Priority to EP04396079A priority patent/EP1544943A1/en
Priority to US11/008,447 priority patent/US7468700B2/en
Priority to CNB2004100104596A priority patent/CN100416918C/zh
Publication of FI20031833A publication Critical patent/FI20031833A/sv
Application granted granted Critical
Publication of FI121037B publication Critical patent/FI121037B/sv

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0421—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with a shorting wall or a shorting pin at one end of the element
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0442—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular tuning means

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Waveguide Aerials (AREA)
  • Transceivers (AREA)

Claims (10)

1. Reglerbar flerbandsantenn, som innefattar ett jordplan (910), ett strälande pian (920) och dess dielektriska stöddel (980) samt en reglerkrets, som innefattar parasit- 10 element (930) av strälande planet och en styrbar del, som ansluts tili det, med vilken styrbar del kan ändras koppling mellan parasitelementet och jordplanet, för förflytt-ning av funktionsbandet, som baserar sig pä antennens strälande pian, känneteck-nad av att nämnd styrbar del är en reaktiv anpassningskrets (350; 450; 550; 950), vars kretsvärden är arrangerade att väljas av ätminstone tvä altemativ, för realise-15 ring av nämnd förändring av kopplingen, och varje altemativ kretsvärdegrupp innefattar värden av minst tvä reaktiva element, för optimering av antennens impedans-anpassning och verkningsgrad.
2. Antenn i enlighet med patentkrav 1, kännetecknad av att för väljning av nämnda kretsvärden innefattar anpassningskretsen (450) minst tvä reaktivkretsar 20 (451, 452) med olika kretsvärden och en koppling (SW), beroende av vars position är en reaktivkrets kopplad i nämnt parasitelement ät gängen.
3. Antenn i enlighet med patentkrav 1, kännetecknad av att för väljning av nämnda kretsvärden innefattar anpassningskretsen (550) minst en kapacitansdiod (CD1, CD2), vars styrspänning (Vc) är arrangerad att väljas av minst tvä altemativ.
4. Antenn i enlighet med patentkrav 2, kännetecknad av att var och en av nämnda reaktivkretsar bildas av en parallellkoppling, vars en gren innefattar en spo-le (L41; L43) och andra gren en kondensator (C41; C42) och en andra spole (L42; L44) i serie.
5. Antenn i enlighet med patentkrav 3, kännetecknad av att nämnd anpassnings-30 krets bildas av en parallellkoppling, vars en gren innefattar en första kapacitansdiod (CD1) och en första kondensator (C51) i serie, och andra grenen en spole (L51), en andra kapacitansdiod (CD2) och en andra kondensator (C52) i serie.
6. Antenn i enlighet med patentkrav 1, som har ätminstone ett nedre och ett Övre funktionsband, kännetecknad av att nämnt ett funktionsband, som skall förflyttas, är övre funktionsband.
7. Antenn i enlighet med patentkrav 6, kännetecknad av att anpassningskretsen 5 har en parallellresonans pä omrädet av nedre funktionsbandet, för begränsning av inverkan av nämnda kretsvärdens ändring pä övre funktionsbandet.
8. Antenn i enlighet med patentkrav 1, kännetecknad av att parasitelementet är ett ledande band som fästs i nämnd dielektrisk stöddel.
9. Antenn i enlighet med patentkrav 1, kännetecknad av att anpassningskretsen 10 är en LTCC-krets av sin tillverkningsteknik.
10. Radioanordning (RD) med en reglerbar flerbandsantenn (A00) i enlighet med patentkrav 1.
FI20031833A 2003-12-15 2003-12-15 Inställbar flerbandsantenn FI121037B (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI20031833A FI121037B (sv) 2003-12-15 2003-12-15 Inställbar flerbandsantenn
EP04396079A EP1544943A1 (en) 2003-12-15 2004-12-03 Tunable multiband planar antenna
US11/008,447 US7468700B2 (en) 2003-12-15 2004-12-09 Adjustable multi-band antenna
CNB2004100104596A CN100416918C (zh) 2003-12-15 2004-12-15 可调多频带天线

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20031833 2003-12-15
FI20031833A FI121037B (sv) 2003-12-15 2003-12-15 Inställbar flerbandsantenn

Publications (3)

Publication Number Publication Date
FI20031833A0 FI20031833A0 (sv) 2003-12-15
FI20031833A FI20031833A (sv) 2005-06-16
FI121037B true FI121037B (sv) 2010-06-15

Family

ID=29763528

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20031833A FI121037B (sv) 2003-12-15 2003-12-15 Inställbar flerbandsantenn

Country Status (4)

Country Link
US (1) US7468700B2 (sv)
EP (1) EP1544943A1 (sv)
CN (1) CN100416918C (sv)
FI (1) FI121037B (sv)

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Also Published As

Publication number Publication date
CN1630134A (zh) 2005-06-22
FI20031833A (sv) 2005-06-16
CN100416918C (zh) 2008-09-03
US7468700B2 (en) 2008-12-23
US20050128152A1 (en) 2005-06-16
FI20031833A0 (sv) 2003-12-15
EP1544943A1 (en) 2005-06-22

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