GB2491379B - A band combining filter - Google Patents

A band combining filter

Info

Publication number
GB2491379B
GB2491379B GB1109201.2A GB201109201A GB2491379B GB 2491379 B GB2491379 B GB 2491379B GB 201109201 A GB201109201 A GB 201109201A GB 2491379 B GB2491379 B GB 2491379B
Authority
GB
United Kingdom
Prior art keywords
band combining
combining filter
filter
band
combining
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.)
Active
Application number
GB1109201.2A
Other versions
GB2491379A (en
GB201109201D0 (en
Inventor
David Rhodes John
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.)
Filtronic Wireless Ltd
Original Assignee
Filtronic Wireless Ltd
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 Filtronic Wireless Ltd filed Critical Filtronic Wireless Ltd
Priority to GB1109201.2A priority Critical patent/GB2491379B/en
Publication of GB201109201D0 publication Critical patent/GB201109201D0/en
Priority to PCT/GB2012/051183 priority patent/WO2012164264A1/en
Publication of GB2491379A publication Critical patent/GB2491379A/en
Application granted granted Critical
Publication of GB2491379B publication Critical patent/GB2491379B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/46—Networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • H03H7/461—Networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source particularly adapted for use in common antenna systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
GB1109201.2A 2011-06-01 2011-06-01 A band combining filter Active GB2491379B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1109201.2A GB2491379B (en) 2011-06-01 2011-06-01 A band combining filter
PCT/GB2012/051183 WO2012164264A1 (en) 2011-06-01 2012-05-25 A band combining filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1109201.2A GB2491379B (en) 2011-06-01 2011-06-01 A band combining filter

Publications (3)

Publication Number Publication Date
GB201109201D0 GB201109201D0 (en) 2011-07-13
GB2491379A GB2491379A (en) 2012-12-05
GB2491379B true GB2491379B (en) 2017-10-11

Family

ID=44310716

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1109201.2A Active GB2491379B (en) 2011-06-01 2011-06-01 A band combining filter

Country Status (1)

Country Link
GB (1) GB2491379B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014087171A2 (en) * 2012-12-07 2014-06-12 Radio Design Limited Apparatus for allowing radio frequency selectivity and method of use thereof
GB2516909B (en) * 2013-08-06 2020-10-28 Filtronic Wireless Ltd A microwave filter and a microwave transceiver including such a microwave filter

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1442904A (en) * 1964-08-07 1966-06-17 Marconi Co Ltd Device combining radio frequency signals
GB2444786A (en) * 2006-12-15 2008-06-18 Isotek Electronics Ltd Band combining filter
GB2476868A (en) * 2010-01-06 2011-07-13 Isotek Electronics Ltd A UHF filter using one high-Q resonator for each band edge

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1442904A (en) * 1964-08-07 1966-06-17 Marconi Co Ltd Device combining radio frequency signals
GB2444786A (en) * 2006-12-15 2008-06-18 Isotek Electronics Ltd Band combining filter
GB2476868A (en) * 2010-01-06 2011-07-13 Isotek Electronics Ltd A UHF filter using one high-Q resonator for each band edge

Also Published As

Publication number Publication date
GB2491379A (en) 2012-12-05
GB201109201D0 (en) 2011-07-13

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