KR0139477B1 - 유전체 필터 - Google Patents

유전체 필터

Info

Publication number
KR0139477B1
KR0139477B1 KR1019940030709A KR19940030709A KR0139477B1 KR 0139477 B1 KR0139477 B1 KR 0139477B1 KR 1019940030709 A KR1019940030709 A KR 1019940030709A KR 19940030709 A KR19940030709 A KR 19940030709A KR 0139477 B1 KR0139477 B1 KR 0139477B1
Authority
KR
South Korea
Prior art keywords
dielectric
switch
resonator
dielectric filter
output
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 - Lifetime
Application number
KR1019940030709A
Other languages
English (en)
Korean (ko)
Other versions
KR950015977A (ko
Inventor
야스오 야마다
다다히로 요리따
Original Assignee
무라따 야스따까
가부시끼 가이샤 무라따 세이사꾸쇼
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 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
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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)
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 KR950015977A (ko) 1995-06-17
KR0139477B1 true 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 (enExample)
EP (1) EP0654912A1 (enExample)
JP (1) JPH07147503A (enExample)
KR (1) KR0139477B1 (enExample)
TW (1) TW250601B (enExample)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3050090B2 (ja) * 1995-06-20 2000-06-05 株式会社村田製作所 誘電体フィルタ
KR100233744B1 (ko) * 1995-07-19 1999-12-01 사토 히로시 안테나 스위치
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
EP0865095B1 (en) * 1997-03-12 2006-05-31 Matsushita Electric Industrial Co., Ltd. Antenna duplexer
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
WO2000045459A1 (en) * 1999-01-28 2000-08-03 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
US6492883B2 (en) 2000-11-03 2002-12-10 Paratek Microwave, Inc. Method of channel frequency allocation for RF and microwave duplexers
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
JP4621155B2 (ja) * 2006-02-28 2011-01-26 株式会社エヌ・ティ・ティ・ドコモ 可変フィルタ
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

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4186360A (en) * 1977-02-18 1980-01-29 Sanyo Electric Co., Ltd. Digital channel selecting apparatus
US4126831A (en) * 1977-04-27 1978-11-21 Texas Instruments Incorporated Electronic phase detector circuit
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

Also Published As

Publication number Publication date
TW250601B (enExample) 1995-07-01
EP0654912A1 (en) 1995-05-24
KR950015977A (ko) 1995-06-17
US5515017A (en) 1996-05-07
JPH07147503A (ja) 1995-06-06

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