WO2011053099A3 - 무선 주파수 필터 - Google Patents

무선 주파수 필터 Download PDF

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Publication number
WO2011053099A3
WO2011053099A3 PCT/KR2010/007677 KR2010007677W WO2011053099A3 WO 2011053099 A3 WO2011053099 A3 WO 2011053099A3 KR 2010007677 W KR2010007677 W KR 2010007677W WO 2011053099 A3 WO2011053099 A3 WO 2011053099A3
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WO
WIPO (PCT)
Prior art keywords
port
filter
radio frequency
frequency filter
coupler
Prior art date
Application number
PCT/KR2010/007677
Other languages
English (en)
French (fr)
Other versions
WO2011053099A2 (ko
Inventor
김덕용
박남신
Original Assignee
주식회사 케이엠더블유
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 주식회사 케이엠더블유 filed Critical 주식회사 케이엠더블유
Priority to CN201080048680.4A priority Critical patent/CN102576923B/zh
Priority to EP10827183.4A priority patent/EP2498331B1/en
Priority to JP2012534128A priority patent/JP5493002B2/ja
Priority to EP15150944.5A priority patent/EP2884578B1/en
Priority to KR1020127011967A priority patent/KR101756116B1/ko
Publication of WO2011053099A2 publication Critical patent/WO2011053099A2/ko
Publication of WO2011053099A3 publication Critical patent/WO2011053099A3/ko

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
    • 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
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/12—Coupling devices having more than two ports
    • H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
    • H01P5/19—Conjugate devices, i.e. devices having at least one port decoupled from one other port of the junction type
    • H01P5/20—Magic-T junctions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/12—Coupling devices having more than two ports
    • H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
    • H01P5/19—Conjugate devices, i.e. devices having at least one port decoupled from one other port of the junction type
    • H01P5/22—Hybrid ring junctions
    • 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
    • H03H7/01—Frequency selective two-port networks
    • H03H7/0138—Electrical filters or coupling circuits
    • 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
    • H03H7/48—Networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source
    • 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
    • H01P1/201—Filters for transverse electromagnetic waves
    • H01P1/203—Strip line filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/36—Networks for connecting several sources or loads, working on the same frequency band, to a common load or source
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa

Abstract

본 발명은 무선 주파수 필터에 관한 것으로서, 하이브리드 커플러와 일반적인 필터를 결합함으로써 상기 일반적인 필터가 가진 원래 특성과는 상이한 특성을 가지는 새로운 형태의 필터를 제안한다. 그 구성을 살펴보면, 입력 신호를 제1포트로 제공받아 이를 분배하여 제2포트 및 제3포트로 출력하며, 제2포트 및 제3포트를 통해 입력된 신호를 해당 위상에 따라 합성하여 상기 제1포트 또는 무선 주파수 필터의 출력 신호로서 제4포트로 출력하는 커플러와; 커플러의 제2, 제3포트와 각각 제1, 제2포트가 연결되어, 미리 설정된 주파수 필터링 특성을 가지는 제1필터부를 구비한다.
PCT/KR2010/007677 2009-11-02 2010-11-02 무선 주파수 필터 WO2011053099A2 (ko)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN201080048680.4A CN102576923B (zh) 2009-11-02 2010-11-02 射频滤波器
EP10827183.4A EP2498331B1 (en) 2009-11-02 2010-11-02 Radio frequency filter
JP2012534128A JP5493002B2 (ja) 2009-11-02 2010-11-02 無線周波数フィルター
EP15150944.5A EP2884578B1 (en) 2009-11-02 2010-11-02 Radio frequency filter
KR1020127011967A KR101756116B1 (ko) 2009-11-02 2010-11-02 무선 주파수 필터

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US25710209P 2009-11-02 2009-11-02
US61/257,102 2009-11-02

Publications (2)

Publication Number Publication Date
WO2011053099A2 WO2011053099A2 (ko) 2011-05-05
WO2011053099A3 true WO2011053099A3 (ko) 2011-09-15

Family

ID=43922919

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2010/007677 WO2011053099A2 (ko) 2009-11-02 2010-11-02 무선 주파수 필터

Country Status (6)

Country Link
US (2) US8749321B2 (ko)
EP (2) EP2498331B1 (ko)
JP (1) JP5493002B2 (ko)
KR (1) KR101756116B1 (ko)
CN (2) CN102576923B (ko)
WO (1) WO2011053099A2 (ko)

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KR101545139B1 (ko) * 2012-10-19 2015-08-20 한국전기연구원 Ｌｐｎ 필터를 이용한 전력계통의 위상추종 시스템
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WO2015089091A1 (en) 2013-12-10 2015-06-18 University Of Southern California Enhancing isolation and impedance matching in hybrid-based cancellation networks and duplexers
US10615949B2 (en) 2014-02-14 2020-04-07 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
JP6539119B2 (ja) * 2014-06-13 2019-07-03 住友電気工業株式会社 電子装置
JP2016066884A (ja) * 2014-09-24 2016-04-28 住友電気工業株式会社 フィルタ装置
US9941908B2 (en) 2014-10-20 2018-04-10 Infineon Technologies Ag System and method for a radio frequency filter
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US10581650B2 (en) 2015-09-08 2020-03-03 Qorvo Us, Inc. Enhancing isolation in radio frequency multiplexers
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WO2017053875A1 (en) * 2015-09-23 2017-03-30 The Government Of The United States Of America, As Represented By The Secretary Of The Navy Switched bandstop filter with low-loss linear-phase bypass state
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Also Published As

Publication number Publication date
CN102576923A (zh) 2012-07-11
US20140247098A1 (en) 2014-09-04
US20110140803A1 (en) 2011-06-16
EP2498331B1 (en) 2015-04-15
CN104966864A (zh) 2015-10-07
WO2011053099A2 (ko) 2011-05-05
CN102576923B (zh) 2015-08-26
CN104966864B (zh) 2018-03-06
KR20120113707A (ko) 2012-10-15
US9564871B2 (en) 2017-02-07
EP2498331A2 (en) 2012-09-12
JP2013509019A (ja) 2013-03-07
KR101756116B1 (ko) 2017-07-11
EP2884578A1 (en) 2015-06-17
EP2884578B1 (en) 2018-08-15
US8749321B2 (en) 2014-06-10
JP5493002B2 (ja) 2014-05-14
EP2498331A4 (en) 2013-05-15

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