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KR950015977A - 유전체 필터 - Google Patents

유전체 필터 Download PDF

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Publication number
KR950015977A
KR950015977A KR1019940030709A KR19940030709A KR950015977A KR 950015977 A KR950015977 A KR 950015977A KR 1019940030709 A KR1019940030709 A KR 1019940030709A KR 19940030709 A KR19940030709 A KR 19940030709A KR 950015977 A KR950015977 A KR 950015977A
Authority
KR
South Korea
Prior art keywords
switch
dielectric
filter circuit
dielectric resonator
dielectric filter
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.)
Granted
Application number
KR1019940030709A
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English (en)
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KR0139477B1 (ko
Inventor
야스오 야마다
다다히로 요리따
Original Assignee
무라따 야스따까
가부시끼 가이샤 무라따 세이사꾸쇼
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Publication date
Application filed by 무라따 야스따까, 가부시끼 가이샤 무라따 세이사꾸쇼 filed Critical 무라따 야스따까
Publication of KR950015977A publication Critical patent/KR950015977A/ko
Application granted granted Critical
Publication of KR0139477B1 publication Critical patent/KR0139477B1/ko
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Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)

Abstract

입력단(1)과 출력단(2) 사이에 결합 콘덴서(Cl∼C3)를 접속하고, 각 결합 콘덴서 사이와 접지사이에 공진기(Rl, R2)를 접속하고, 각 공진기의 일단과 접지사이에 콘덴서(C4, C5)와 스위치(S4, S5)를 접속하여 콘덴서를 오프히고 있을 때에는 공진기의 공진 주파수에 설정하고 스위치를 온 한때에는 콘덴서를 공진기에 병렬 접속하여 공진 주파수를 낮은 쪽으로 시프트하여 다주파의 유전체 필터를 얻을 수 있다.

Description

유전체 필터
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제4도는 본 발명의 한 실시예의 유전체 필터 회로도,
제6도는 본 발명의 다른 실시예를 나타내는 유전체 필터의 회로도,
제7도는 본 발명의 또다른 실시예를 나타내는 유전체 필터의 회로도.

Claims (5)

  1. 적어도 하나 이상의 유전체 공진기로 구성된 유전체 필터 회로로서, 그 일단이 상기 적어도 하나 이상의 유전체 공진기의 일단에 접속된 리액턴스 소자(C4, C5), 및 상기 리액턴스 소자의 타단을 상기 적어도 하나이상의 유전체 공진기의 타단에 접속하기 위한 스위치(S4, S5)를 포함하는 유전체 필터회로.
  2. 제1항에 있어서, 상기 스위치에 연동하고 상기 유전체 공진기 출력 신호를 분배하는 출력측 스위치(S7, S9)를 더 포함하는 유전체 필터회로.
  3. 제1항에 있어서, 상기 스위치에 연통하고 상기 유전체 공진기에 주어지는 입력 신호를 전환하는 입력 스위치(S6)를 더 포함하는 유전체 필터회로.
  4. 제1항에 있어서, 상기 리액턴스 소자의 각각의 일단이 상기 적어도 하나 이상의 유전체 공진기의 일단에 접속되는 복수 소자(C4, C6)를 포함하고, 상기 스위치가 상기 복수 소자의 각각의 타단중 어느 것을 상기 적어도 하나 이상의 유전체 공진기의 타단에 접속하기 위한 접점(S8)을 포함하는 유전체 필터회로.
  5. 제4항에 있어서, 상기 스위치에 연동하고 상기 유전체 공진기 출력 신호를 복수로 분배하기 위한 출력 스위치(S9)를 더 포함하는 유전체 필터회로.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940030709A 1993-11-24 1994-11-22 유전체 필터 Expired - Lifetime KR0139477B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP93-293496 1993-11-24
JP5293496A JPH07147503A (ja) 1993-11-24 1993-11-24 誘電体フィルタ

Publications (2)

Publication Number Publication Date
KR950015977A true KR950015977A (ko) 1995-06-17
KR0139477B1 KR0139477B1 (ko) 1998-07-15

Family

ID=17795495

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940030709A Expired - Lifetime KR0139477B1 (ko) 1993-11-24 1994-11-22 유전체 필터

Country Status (5)

Country Link
US (1) US5515017A (ko)
EP (1) EP0654912A1 (ko)
JP (1) JPH07147503A (ko)
KR (1) KR0139477B1 (ko)
TW (1) TW250601B (ko)

Cited By (1)

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KR100823219B1 (ko) * 2006-02-28 2008-04-18 가부시키가이샤 엔.티.티.도코모 가변 필터

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JP3050090B2 (ja) * 1995-06-20 2000-06-05 株式会社村田製作所 誘電体フィルタ
WO1997004533A1 (fr) * 1995-07-19 1997-02-06 Tdk Corporation Commutateur d'antenne
FI99174C (fi) * 1995-11-23 1997-10-10 Lk Products Oy Kytkettävä dupleksisuodatin
FI106608B (fi) * 1996-09-26 2001-02-28 Filtronic Lk Oy Sähköisesti säädettävä suodatin
DE69834679T2 (de) * 1997-03-12 2006-09-21 Matsushita Electric Industrial Co., Ltd., Kadoma Antennenweiche
US5912798A (en) * 1997-07-02 1999-06-15 Landsten Chu Dielectric ceramic filter
JP2000059106A (ja) * 1998-08-11 2000-02-25 Murata Mfg Co Ltd アンテナ共用器及び通信機装置
US6130590A (en) * 1998-08-14 2000-10-10 Lucent Technologies Inc. Programmable filter bank having notch filter and bandpass filter frequency responses
AU2321200A (en) * 1999-01-28 2000-08-18 Nikko Company High frequency filter circuit
US6570467B2 (en) * 2000-03-09 2003-05-27 Cts Corporation Cost effective dual-mode shiftable dielectric RF filter and duplexer
US6683513B2 (en) 2000-10-26 2004-01-27 Paratek Microwave, Inc. Electronically tunable RF diplexers tuned by tunable capacitors
DE60110827T2 (de) 2000-11-03 2006-01-12 Paratek Microwave, Inc. Verfahren zur kanalfrequenzzuteilung für hf- und mikrowellenduplexer
JP2003060408A (ja) * 2001-06-05 2003-02-28 Murata Mfg Co Ltd フィルタ部品および通信機装置
US6703912B2 (en) 2001-08-10 2004-03-09 Sanyo Electric Co., Ltd. Dielectric resonator devices, dielectric filters and dielectric duplexers
JP2003087007A (ja) * 2001-09-13 2003-03-20 Sony Corp 高周波モジュール基板装置
JP3610939B2 (ja) * 2001-09-18 2005-01-19 ソニー株式会社 フィルタ回路
JP3827232B2 (ja) * 2003-05-13 2006-09-27 Ｔｄｋ株式会社 フィルタ装置およびそれを用いた分波器
WO2007075036A1 (en) * 2005-12-29 2007-07-05 Sang-Eun Jung Rf antenna using dielectric resonator
US8665040B1 (en) * 2010-03-09 2014-03-04 Purdue Research Foundation Field programmable filter array
JP6453644B2 (ja) * 2014-12-25 2019-01-16 京セラ株式会社 通信モジュール

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US4186360A (en) * 1977-02-18 1980-01-29 Sanyo Electric Co., Ltd. Digital channel selecting apparatus
US4153876A (en) * 1977-04-27 1979-05-08 Texas Instruments Incorporated Charge transfer device radio system
JPS6027204A (ja) * 1983-07-23 1985-02-12 Murata Mfg Co Ltd 発振回路装置
JPS6087505A (ja) * 1983-10-20 1985-05-17 Matsushita Electric Ind Co Ltd 電圧制御発振器
WO1988002559A1 (en) * 1986-10-06 1988-04-07 Matsushita Electric Industrial Co., Ltd. Antenna sharing device
US5241693A (en) * 1989-10-27 1993-08-31 Motorola, Inc. Single-block filter for antenna duplexing and antenna-switched diversity
GB2247125B (en) * 1990-08-16 1995-01-11 Technophone Ltd Tunable bandpass filter
US5065120A (en) * 1990-09-21 1991-11-12 Motorola, Inc. Frequency agile, dielectrically loaded resonator filter
JPH04332210A (ja) * 1991-05-08 1992-11-19 Kyocera Corp 帯域選択型超高周波帯域通過フィルタ
FI90926C (fi) * 1992-05-14 1994-04-11 Lk Products Oy Vaihtokytkimenä toimiva suurtaajuussuodatin

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100823219B1 (ko) * 2006-02-28 2008-04-18 가부시키가이샤 엔.티.티.도코모 가변 필터

Also Published As

Publication number Publication date
EP0654912A1 (en) 1995-05-24
TW250601B (ko) 1995-07-01
US5515017A (en) 1996-05-07
KR0139477B1 (ko) 1998-07-15
JPH07147503A (ja) 1995-06-06

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