FR2781085A1 - Filtre dielectrique duplexeur - Google Patents

Filtre dielectrique duplexeur Download PDF

Info

Publication number
FR2781085A1
FR2781085A1 FR9816167A FR9816167A FR2781085A1 FR 2781085 A1 FR2781085 A1 FR 2781085A1 FR 9816167 A FR9816167 A FR 9816167A FR 9816167 A FR9816167 A FR 9816167A FR 2781085 A1 FR2781085 A1 FR 2781085A1
Authority
FR
France
Prior art keywords
conductors
network
filter
dielectric block
resonance
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.)
Withdrawn
Application number
FR9816167A
Other languages
English (en)
French (fr)
Inventor
Chul Ho Kim
Jin Duk Kim
Sang Jun Park
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.)
Samsung Electro Mechanics Co Ltd
Original Assignee
Samsung Electro Mechanics Co Ltd
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
Priority claimed from KR1019980027437A external-priority patent/KR100262498B1/ko
Priority claimed from KR1019980033567A external-priority patent/KR100262499B1/ko
Application filed by Samsung Electro Mechanics Co Ltd filed Critical Samsung Electro Mechanics Co Ltd
Publication of FR2781085A1 publication Critical patent/FR2781085A1/fr
Withdrawn legal-status Critical Current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
    • H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
    • H01P1/2136—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies using comb or interdigital filters; using cascaded coaxial cavities
    • 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
    • H01P1/205—Comb or interdigital filters; Cascaded coaxial cavities
    • H01P1/2056—Comb filters or interdigital filters with metallised resonator holes in a dielectric block

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
FR9816167A 1998-07-08 1998-12-17 Filtre dielectrique duplexeur Withdrawn FR2781085A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1019980027437A KR100262498B1 (ko) 1998-07-08 1998-07-08 일체형유전체필터
KR1019980033567A KR100262499B1 (ko) 1998-08-19 1998-08-19 일체형듀플렉서유전체필터
US10637298P 1998-10-30 1998-10-30

Publications (1)

Publication Number Publication Date
FR2781085A1 true FR2781085A1 (fr) 2000-01-14

Family

ID=27349779

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9816167A Withdrawn FR2781085A1 (fr) 1998-07-08 1998-12-17 Filtre dielectrique duplexeur

Country Status (8)

Country Link
JP (1) JP2000049507A (zh)
AT (1) AT411119B (zh)
BR (1) BR9900051A (zh)
DE (1) DE19859207A1 (zh)
FR (1) FR2781085A1 (zh)
GB (1) GB2339341B (zh)
SE (1) SE9804353L (zh)
TW (1) TW472444B (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9900034D0 (en) * 1999-01-04 1999-02-24 Marconi Electronic Syst Ltd Structure with magnetic properties
US6404306B1 (en) * 2000-03-17 2002-06-11 Ube Electronics, Ltd. Dielectric ceramic filter with improved electrical characteristics in high side of filter passband
US11862835B2 (en) 2020-08-13 2024-01-02 Cyntec Co., Ltd. Dielectric filter with multilayer resonator
CN115189109A (zh) * 2022-06-22 2022-10-14 厦门松元电子股份有限公司 结构混合型陶瓷介质带通滤波器

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4740765A (en) * 1985-09-30 1988-04-26 Murata Manufacturing Co., Ltd. Dielectric filter
EP0346672A2 (en) * 1988-06-14 1989-12-20 Motorola, Inc. Monolithic ceramic filter with bandstop function
JPH0275203A (ja) * 1988-09-09 1990-03-14 Toko Inc 誘電体フィルタとその結合度調整方法
JPH08228103A (ja) * 1995-02-21 1996-09-03 Murata Mfg Co Ltd 誘電体フィルタ
EP0757401A2 (en) * 1995-08-04 1997-02-05 Ngk Spark Plug Co., Ltd. Dielectric filter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5230093A (en) * 1991-05-03 1993-07-20 Rich Randall W Transmitter filter with integral directional coupler for cellular telephones
US5488335A (en) * 1992-01-21 1996-01-30 Motorola, Inc. Multi-passband dielectric filter construction having a filter portion including at least a pair of dissimilarly-sized resonators
WO1993024968A1 (en) * 1992-05-26 1993-12-09 Motorola, Inc. Multi-passband, dielectric filter construction
JPH07336108A (ja) * 1994-06-03 1995-12-22 Murata Mfg Co Ltd 誘電体フィルタ
JPH09312506A (ja) * 1996-05-23 1997-12-02 Ngk Spark Plug Co Ltd 誘電体フィルタ

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4740765A (en) * 1985-09-30 1988-04-26 Murata Manufacturing Co., Ltd. Dielectric filter
EP0346672A2 (en) * 1988-06-14 1989-12-20 Motorola, Inc. Monolithic ceramic filter with bandstop function
JPH0275203A (ja) * 1988-09-09 1990-03-14 Toko Inc 誘電体フィルタとその結合度調整方法
JPH08228103A (ja) * 1995-02-21 1996-09-03 Murata Mfg Co Ltd 誘電体フィルタ
EP0757401A2 (en) * 1995-08-04 1997-02-05 Ngk Spark Plug Co., Ltd. Dielectric filter

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 14, no. 255 (E - 0935) 31 May 1990 (1990-05-31) *
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 1 31 January 1997 (1997-01-31) *

Also Published As

Publication number Publication date
SE9804353L (sv) 2000-01-09
BR9900051A (pt) 2000-09-05
GB2339341B (en) 2003-07-09
GB2339341A (en) 2000-01-19
ATA209998A (de) 2003-02-15
DE19859207A1 (de) 2000-01-27
TW472444B (en) 2002-01-11
JP2000049507A (ja) 2000-02-18
GB9827959D0 (en) 1999-02-10
AT411119B (de) 2003-09-25
SE9804353D0 (sv) 1998-12-16

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ST Notification of lapse