GB2543915B - A microwave switched multiplexer and a mobile telecommunications device including such a multiplexer - Google Patents

A microwave switched multiplexer and a mobile telecommunications device including such a multiplexer Download PDF

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Publication number
GB2543915B
GB2543915B GB1615252.2A GB201615252A GB2543915B GB 2543915 B GB2543915 B GB 2543915B GB 201615252 A GB201615252 A GB 201615252A GB 2543915 B GB2543915 B GB 2543915B
Authority
GB
United Kingdom
Prior art keywords
multiplexer
mobile telecommunications
microwave switched
microwave
switched
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
GB1615252.2A
Other versions
GB2543915A (en
GB201615252D0 (en
Inventor
Rhodes David
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.)
Isotek Microwave Ltd
Original Assignee
Isotek Microwave 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
Priority to GBGB1515922.1A priority Critical patent/GB201515922D0/en
Priority to GBGB1518893.1A priority patent/GB201518893D0/en
Priority to GBGB1518890.7A priority patent/GB201518890D0/en
Application filed by Isotek Microwave Ltd filed Critical Isotek Microwave Ltd
Publication of GB201615252D0 publication Critical patent/GB201615252D0/en
Publication of GB2543915A publication Critical patent/GB2543915A/en
Application granted granted Critical
Publication of GB2543915B publication Critical patent/GB2543915B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/70Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • HELECTRICITY
    • H03BASIC ELECTRONIC 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
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00Auxiliary devices
    • H01P1/20Frequency-selective devices, e.g. filters
    • H01P1/201Filters for transverse electromagnetic waves
    • H01P1/203Strip line filters
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00Auxiliary devices
    • H01P1/20Frequency-selective devices, e.g. filters
    • H01P1/207Hollow waveguide filters
    • H01P1/208Cascaded cavities; Cascaded resonators inside a hollow waveguide structure
    • HELECTRICITY
    • H01BASIC ELECTRIC 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
    • H01BASIC ELECTRIC 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
    • H01P1/2136Frequency-selective devices, e.g. filters combining or separating two or more different frequencies using comb or interdigital filters; using cascaded coaxial cavities
    • HELECTRICITY
    • H03BASIC ELECTRONIC 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
    • H03H7/463Duplexers
    • H03H7/465Duplexers having variable circuit topology, e.g. including switches
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • H04B1/0057Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using diplexing or multiplexing filters for selecting the desired band
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • H04B1/006Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69Spread spectrum techniques
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/64Heating using microwaves
    • H05B6/70Feed lines
    • H05B6/705Feed lines using microwave tuning
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01Frequency selective two-port networks
    • H03H7/0153Electrical filters; Controlling thereof
    • H03H7/0161Bandpass filters
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/15Constructional features of resonators consisting of piezo-electric or electrostrictive material
    • H03H9/17Constructional features of resonators consisting of piezo-electric or electrostrictive material having a single resonator
    • H03H9/171Constructional features of resonators consisting of piezo-electric or electrostrictive material having a single resonator implemented with thin-film techniques, i.e. of the film bulk acoustic resonator [FBAR] type
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/70Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • H03H9/703Networks using bulk acoustic wave devices
    • H03H9/706Duplexers
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/70Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • H03H9/72Networks using surface acoustic waves
    • H03H9/725Duplexers
GB1615252.2A 2015-09-08 2016-09-08 A microwave switched multiplexer and a mobile telecommunications device including such a multiplexer Active GB2543915B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GBGB1515922.1A GB201515922D0 (en) 2015-09-08 2015-09-08 A microwave switched multiplexer and a mobile telecommunications device including such a multiplexer
GBGB1518893.1A GB201518893D0 (en) 2015-10-26 2015-10-26 A microwave switched multiplexer and a mobile telecommunications device including such a multiplexer
GBGB1518890.7A GB201518890D0 (en) 2015-10-26 2015-10-26 A microwave switched multiplexer and a mobile telecommunications device including such a multiplexer

Publications (3)

Publication Number Publication Date
GB201615252D0 GB201615252D0 (en) 2016-10-26
GB2543915A GB2543915A (en) 2017-05-03
GB2543915B true GB2543915B (en) 2021-06-09

Family

ID=56926227

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1615248.0A Active GB2543914B (en) 2015-09-08 2016-09-08 A microwave switched multiplexer and a mobile telecommunications device including such a multiplexer
GB1615252.2A Active GB2543915B (en) 2015-09-08 2016-09-08 A microwave switched multiplexer and a mobile telecommunications device including such a multiplexer

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB1615248.0A Active GB2543914B (en) 2015-09-08 2016-09-08 A microwave switched multiplexer and a mobile telecommunications device including such a multiplexer

Country Status (3)

Country Link
US (2) US10804941B2 (en)
GB (2) GB2543914B (en)
WO (2) WO2017042560A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2543914B (en) * 2015-09-08 2021-08-04 Isotek Microwave Ltd A microwave switched multiplexer and a mobile telecommunications device including such a multiplexer

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1194157A (en) * 1984-05-28 1985-09-24 Robert S.K. Tong Waveguide manifold coupled multiplexer
US6806791B1 (en) * 2000-02-29 2004-10-19 Radio Frequency Systems, Inc. Tunable microwave multiplexer

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GB9418294D0 (en) * 1994-09-10 1994-10-26 Philips Electronics Uk Ltd Microwave transmitter and communications system
JP3857243B2 (en) * 2003-02-26 2006-12-13 株式会社東芝 Filter circuit
US20050084033A1 (en) * 2003-08-04 2005-04-21 Lowell Rosen Scalable transform wideband holographic communications apparatus and methods
EP1662603B1 (en) * 2004-11-26 2011-08-17 Thales Generalized multiplexing network
JP4734659B2 (en) * 2005-09-05 2011-07-27 国立大学法人電気通信大学 Demultiplexing circuit and design method thereof
US10674570B2 (en) * 2006-02-21 2020-06-02 Goji Limited System and method for applying electromagnetic energy
WO2010026501A1 (en) * 2008-09-05 2010-03-11 Nxp B.V. Apparatus for feeding antenna elements and method therefor
EP2332208B1 (en) * 2008-09-08 2013-07-31 Telefonaktiebolaget L M Ericsson (PUBL) A reconfigurable filter apparatus
GB2465811B (en) * 2008-12-01 2012-12-12 Univ Bristol Resonator tuning
JPWO2013021626A1 (en) * 2011-08-08 2015-03-05 パナソニック株式会社 Filter module
GB2505873B (en) * 2012-08-07 2019-10-02 Filtronic Wireless Ltd A microwave TM mode resonator and an electrical filter including such a resonator
US9621327B2 (en) * 2013-09-17 2017-04-11 Skyworks Solutions, Inc. Systems and methods related to carrier aggregation front-end module applications
WO2015122946A1 (en) * 2014-02-13 2015-08-20 Commscope Technologies Llc Narrowband signal transport sub-system for distributed antenna system
JP6453058B2 (en) * 2014-03-27 2019-01-16 サクラテック株式会社 Multimode resonator and RFID tag using the same
US10079414B2 (en) * 2015-03-17 2018-09-18 The United States Of America, As Represented By The Secretary Of The Navy Switched multiplexer with flat group delay and channelized limiting
GB2543914B (en) * 2015-09-08 2021-08-04 Isotek Microwave Ltd A microwave switched multiplexer and a mobile telecommunications device including such a multiplexer
US10158259B1 (en) * 2015-09-16 2018-12-18 Energous Corporation Systems and methods for identifying receivers in a transmission field by transmitting exploratory power waves towards different segments of a transmission field
US10511072B2 (en) * 2017-12-01 2019-12-17 International Business Machines Corporation Switching of frequency multiplexed microwave signals using cascading multi-path interferometric Josephson switches with nonoverlapping bandwidths

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1194157A (en) * 1984-05-28 1985-09-24 Robert S.K. Tong Waveguide manifold coupled multiplexer
US6806791B1 (en) * 2000-02-29 2004-10-19 Radio Frequency Systems, Inc. Tunable microwave multiplexer

Also Published As

Publication number Publication date
US20190222235A1 (en) 2019-07-18
US10819376B2 (en) 2020-10-27
US20190222234A1 (en) 2019-07-18
GB2543915A (en) 2017-05-03
US10804941B2 (en) 2020-10-13
GB201615248D0 (en) 2016-10-26
WO2017042559A1 (en) 2017-03-16
WO2017042560A1 (en) 2017-03-16
GB201615252D0 (en) 2016-10-26
GB2543914A (en) 2017-05-03
GB2543914B (en) 2021-08-04

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