DE68907613D1 - Anordnung mit bandsperrfiltern. - Google Patents

Anordnung mit bandsperrfiltern.

Info

Publication number
DE68907613D1
DE68907613D1 DE8989911327T DE68907613T DE68907613D1 DE 68907613 D1 DE68907613 D1 DE 68907613D1 DE 8989911327 T DE8989911327 T DE 8989911327T DE 68907613 T DE68907613 T DE 68907613T DE 68907613 D1 DE68907613 D1 DE 68907613D1
Authority
DE
Germany
Prior art keywords
arrangement
ribbon filters
ribbon
filters
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 - Fee Related
Application number
DE8989911327T
Other languages
English (en)
Other versions
DE68907613T2 (de
Inventor
David Cooper
Gerald Lebleboojian
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.)
BAE Systems Aerospace Inc
Original Assignee
GEC Marconi Electronic Systems Corp
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 GEC Marconi Electronic Systems Corp filed Critical GEC Marconi Electronic Systems Corp
Application granted granted Critical
Publication of DE68907613D1 publication Critical patent/DE68907613D1/de
Publication of DE68907613T2 publication Critical patent/DE68907613T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
DE89911327T 1989-04-07 1989-09-22 Anordnung mit bandsperrfiltern. Expired - Fee Related DE68907613T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/334,431 US4963945A (en) 1989-04-07 1989-04-07 Band rejection filtering arrangement

Publications (2)

Publication Number Publication Date
DE68907613D1 true DE68907613D1 (de) 1993-08-19
DE68907613T2 DE68907613T2 (de) 1994-03-03

Family

ID=23307192

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89911327T Expired - Fee Related DE68907613T2 (de) 1989-04-07 1989-09-22 Anordnung mit bandsperrfiltern.

Country Status (9)

Country Link
US (1) US4963945A (de)
EP (1) EP0466689B1 (de)
JP (1) JPH0654882B2 (de)
AU (1) AU4407089A (de)
CA (1) CA1317649C (de)
DE (1) DE68907613T2 (de)
ES (1) ES2017042A6 (de)
IL (1) IL92251A (de)
WO (1) WO1990012429A1 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5335363A (en) * 1991-12-30 1994-08-02 Arinc Research Corporation Signal interference reduction device and method
GB2284311B (en) * 1993-11-24 1998-03-04 Filtronic Ltd Hybrid notch filter
US5678209A (en) * 1995-03-31 1997-10-14 Lucent Technologies Inc. Transmit power level detection circuit with enhanced gain characteristics
US6421535B1 (en) * 1999-05-12 2002-07-16 Xetron Corporation Superregenerative circuit
US6553210B1 (en) * 1999-08-03 2003-04-22 Alliedsignal Inc. Single antenna for receipt of signals from multiple communications systems
AU2002227284A1 (en) * 2000-12-12 2002-06-24 Paratek Microwave, Inc. Electrically tunable notch filters
US7720443B2 (en) * 2003-06-02 2010-05-18 Kyocera Wireless Corp. System and method for filtering time division multiple access telephone communications
DE602006009305D1 (de) * 2005-12-08 2009-10-29 Mitsubishi Electric Corp Bandpassfilter
US8233850B1 (en) 2008-09-26 2012-07-31 Rockwell Collins, Inc. Broadband power amplifier with partial-envelope transference
US8149742B1 (en) 2009-06-26 2012-04-03 Rockwell Collins, Inc. System and method for receiving and transmitting signals
KR101083531B1 (ko) 2009-09-01 2011-11-18 에스케이 텔레콤주식회사 송수신 신호 분리를 위한 결합장치 및 제어방법
US8264298B2 (en) * 2009-10-01 2012-09-11 Unidyne, Inc. Filtering device and a method for filtering a signal
US8421554B2 (en) * 2009-10-01 2013-04-16 Ubidyne, Inc. Filtering device for filtering RF signals and method for filtering RF signals
US8339216B2 (en) * 2009-10-01 2012-12-25 Ubidyne, Inc. Duplexer and method for separating a transmit signal and a receive signal
CN102576923B (zh) 2009-11-02 2015-08-26 株式会社Kmw 射频滤波器
EP2932619A4 (de) 2012-12-11 2016-08-03 Univ Southern California Passive leckageunterdrückungsnetzwerke für duplexer und koexistierende drahtlose kommunikationssysteme
CN105814737B (zh) 2013-12-10 2019-06-04 南加利福尼亚大学 增强混合式抵消网络和双工器中的隔离和阻抗匹配
WO2015123668A1 (en) 2014-02-14 2015-08-20 University Of Southern California Hybrid-based cancellation in presence of antenna mismatch
WO2015123586A1 (en) 2014-02-14 2015-08-20 University Of Southern California Reflection and hybrid reflection filters
US9871543B2 (en) 2014-02-19 2018-01-16 University Of Southern California Miniature acoustic resonator-based filters and duplexers with cancellation methodology
US9762416B2 (en) 2015-09-08 2017-09-12 Abtum Inc. Reflection coefficient reader
US10581650B2 (en) 2015-09-08 2020-03-03 Qorvo Us, Inc. Enhancing isolation in radio frequency multiplexers
US9866201B2 (en) 2015-09-08 2018-01-09 Abtum Inc. All-acoustic duplexers using directional couplers
US9912326B2 (en) 2015-09-08 2018-03-06 Abtum Inc. Method for tuning feed-forward canceller
US9755668B2 (en) 2015-09-30 2017-09-05 Abtum Inc. Radio frequency complex reflection coefficient reader
US10038458B2 (en) 2015-10-06 2018-07-31 Abtum Inc. Reflection-based radio-frequency multiplexers
CN108352915B (zh) 2015-10-12 2020-06-30 Qorvo美国公司 基于混合耦合器的射频多路复用器
US10855246B2 (en) 2016-09-21 2020-12-01 Qorvo Us, Inc. Enhancing isolation in hybrid-based radio frequency duplexers and multiplexers

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2561212A (en) * 1949-12-15 1951-07-17 Bell Telephone Labor Inc Microwave hybrid branching systems
US3058070A (en) * 1959-11-04 1962-10-09 Reingold Irving Microwave duplexer
JPS5279815A (en) * 1975-12-26 1977-07-05 Nec Corp Transmitting and receiving circuit
DE3119420A1 (de) * 1981-05-15 1982-12-16 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt "schaltungsanordnung zum abschluss eines passiven mischers"
US4583061A (en) * 1984-06-01 1986-04-15 Raytheon Company Radio frequency power divider/combiner networks
JPS63206029A (ja) * 1987-02-21 1988-08-25 Nec Corp 帯域通過ろ波器

Also Published As

Publication number Publication date
EP0466689A1 (de) 1992-01-22
CA1317649C (en) 1993-05-11
ES2017042A6 (es) 1990-12-16
AU4407089A (en) 1990-11-05
DE68907613T2 (de) 1994-03-03
JPH0654882B2 (ja) 1994-07-20
IL92251A0 (en) 1990-07-26
WO1990012429A1 (en) 1990-10-18
IL92251A (en) 1993-02-21
US4963945A (en) 1990-10-16
JPH04500749A (ja) 1992-02-06
EP0466689B1 (de) 1993-07-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee