IL92251A - Band rejection filtering arrangement - Google Patents

Band rejection filtering arrangement

Info

Publication number
IL92251A
IL92251A IL92251A IL9225189A IL92251A IL 92251 A IL92251 A IL 92251A IL 92251 A IL92251 A IL 92251A IL 9225189 A IL9225189 A IL 9225189A IL 92251 A IL92251 A IL 92251A
Authority
IL
Israel
Prior art keywords
band rejection
filtering arrangement
rejection filtering
arrangement
band
Prior art date
Application number
IL92251A
Other languages
English (en)
Other versions
IL92251A0 (en
Original Assignee
Plessey Electronic Syst
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 Plessey Electronic Syst filed Critical Plessey Electronic Syst
Publication of IL92251A0 publication Critical patent/IL92251A0/xx
Publication of IL92251A publication Critical patent/IL92251A/xx

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
IL92251A 1989-04-07 1989-11-08 Band rejection filtering arrangement IL92251A (en)

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
IL92251A0 IL92251A0 (en) 1990-07-26
IL92251A true IL92251A (en) 1993-02-21

Family

ID=23307192

Family Applications (1)

Application Number Title Priority Date Filing Date
IL92251A IL92251A (en) 1989-04-07 1989-11-08 Band rejection filtering arrangement

Country Status (9)

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

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
US20020130734A1 (en) * 2000-12-12 2002-09-19 Xiao-Peng Liang 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
US8339216B2 (en) * 2009-10-01 2012-12-25 Ubidyne, Inc. Duplexer and method for separating a transmit signal and a receive signal
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
CN102576923B (zh) 2009-11-02 2015-08-26 株式会社Kmw 射频滤波器
JP6214673B2 (ja) 2012-12-11 2017-10-18 ユニバーシティ オブ サザン カリフォルニア 送受切換え器および共存している無線通信システムのための受動リーク消去回路網
WO2015089091A1 (en) 2013-12-10 2015-06-18 University Of Southern California Enhancing isolation and impedance matching in hybrid-based cancellation networks and duplexers
US9843302B2 (en) 2014-02-14 2017-12-12 University Of Southern California Reflection and hybrid reflection filters
WO2015123668A1 (en) 2014-02-14 2015-08-20 University Of Southern California Hybrid-based cancellation in presence of antenna mismatch
CN106031076B (zh) 2014-02-19 2020-03-06 南加利福尼亚大学 基于微型声谐振器的滤波器和双工器
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
US9762416B2 (en) 2015-09-08 2017-09-12 Abtum Inc. Reflection coefficient reader
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
US10476530B2 (en) 2015-10-12 2019-11-12 Qorvo Us, Inc. Hybrid-coupler-based radio frequency multiplexers
WO2018057725A1 (en) 2016-09-21 2018-03-29 Abtum 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
WO1990012429A1 (en) 1990-10-18
CA1317649C (en) 1993-05-11
JPH04500749A (ja) 1992-02-06
AU4407089A (en) 1990-11-05
IL92251A0 (en) 1990-07-26
EP0466689A1 (en) 1992-01-22
DE68907613D1 (de) 1993-08-19
US4963945A (en) 1990-10-16
ES2017042A6 (es) 1990-12-16
EP0466689B1 (en) 1993-07-14
DE68907613T2 (de) 1994-03-03
JPH0654882B2 (ja) 1994-07-20

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Legal Events

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KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees