AU2002223176A1 - A method and apparatus for tuning a combiner filter - Google Patents

A method and apparatus for tuning a combiner filter

Info

Publication number
AU2002223176A1
AU2002223176A1 AU2002223176A AU2317602A AU2002223176A1 AU 2002223176 A1 AU2002223176 A1 AU 2002223176A1 AU 2002223176 A AU2002223176 A AU 2002223176A AU 2317602 A AU2317602 A AU 2317602A AU 2002223176 A1 AU2002223176 A1 AU 2002223176A1
Authority
AU
Australia
Prior art keywords
tuning
combiner filter
combiner
filter
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Withdrawn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
AU2002223176A
Inventor
Anders Granstrom
Gunnar Johansson
Niall Macmanus
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of AU2002223176A1 publication Critical patent/AU2002223176A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03JTUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00Continuous tuning
    • H03J3/02Details
    • H03J3/06Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges
    • H03J3/08Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges by varying a second parameter simultaneously with the tuning, e.g. coupling bandpass filter
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00Auxiliary devices
    • H01P1/20Frequency-selective devices, e.g. filters
    • H01P1/213Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/46Networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • H03H7/468Networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source particularly adapted as coupling circuit between transmitters and antennas
AU2002223176A 2000-12-05 2001-12-05 A method and apparatus for tuning a combiner filter Withdrawn AU2002223176A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0004481A SE0004481D0 (en) 2000-12-05 2000-12-05 A method and a device for tuning a cavity channel filter combiner
SE0004481 2000-12-05
PCT/SE2001/002686 WO2002047195A1 (en) 2000-12-05 2001-12-05 A method and apparatus for tuning a combiner filter

Publications (1)

Publication Number Publication Date
AU2002223176A1 true AU2002223176A1 (en) 2002-06-18

Family

ID=20282096

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002223176A Withdrawn AU2002223176A1 (en) 2000-12-05 2001-12-05 A method and apparatus for tuning a combiner filter

Country Status (3)

Country Link
AU (1) AU2002223176A1 (en)
SE (1) SE0004481D0 (en)
WO (1) WO2002047195A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008023340A2 (en) * 2006-08-23 2008-02-28 Nxp B.V. Filter-tracking and control method
GB2444786B (en) * 2006-12-15 2011-10-05 Isotek Electronics Ltd A band combining filter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5187719A (en) * 1989-01-13 1993-02-16 Hewlett-Packard Company Method and apparatus for measuring modulation accuracy
SE467717B (en) * 1990-12-21 1992-08-31 Ericsson Telefon Ab L M PROCEDURE FOR FINISHING THE RESONANCE FREQUENCY FOR A FILTER IN A COMBINER
FI94690C (en) * 1992-12-30 1995-10-10 Nokia Telecommunications Oy Apparatus for tuning a combiner filter and a method for performing a separation measurement
SE0000585D0 (en) * 2000-02-23 2000-02-23 Ericsson Telefon Ab L M Tuning method and system

Also Published As

Publication number Publication date
SE0004481D0 (en) 2000-12-05
WO2002047195A1 (en) 2002-06-13

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