TW472444B - A duplexer dielectric filter - Google Patents

A duplexer dielectric filter Download PDF

Info

Publication number
TW472444B
TW472444B TW87121003A TW87121003A TW472444B TW 472444 B TW472444 B TW 472444B TW 87121003 A TW87121003 A TW 87121003A TW 87121003 A TW87121003 A TW 87121003A TW 472444 B TW472444 B TW 472444B
Authority
TW
Taiwan
Prior art keywords
conductive pattern
patent application
scope
item
duplex
Prior art date
Application number
TW87121003A
Other languages
English (en)
Chinese (zh)
Inventor
Chul-Ho Kim
Jin-Duk Kim
Sang-Jun Park
Original Assignee
Samsung Electro Mech
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 Mech filed Critical Samsung Electro Mech
Application granted granted Critical
Publication of TW472444B publication Critical patent/TW472444B/zh

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)
TW87121003A 1998-07-08 1998-12-16 A duplexer dielectric filter TW472444B (en)

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
TW472444B true TW472444B (en) 2002-01-11

Family

ID=27349779

Family Applications (1)

Application Number Title Priority Date Filing Date
TW87121003A TW472444B (en) 1998-07-08 1998-12-16 A duplexer dielectric filter

Country Status (8)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI792487B (zh) * 2020-08-13 2023-02-11 乾坤科技股份有限公司 具有多層諧振器的介電濾波器
TWI836699B (zh) * 2022-06-22 2024-03-21 大陸商廈門松元電子股份有限公司 結構混合型陶瓷介質帶通濾波器

Families Citing this family (2)

* 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

Family Cites Families (10)

* 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
US4823098A (en) * 1988-06-14 1989-04-18 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
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
JPH08228103A (ja) * 1995-02-21 1996-09-03 Murata Mfg Co Ltd 誘電体フィルタ
JPH09107206A (ja) * 1995-08-04 1997-04-22 Ngk Spark Plug Co Ltd 誘電体フィルタ及びその結合容量調整方法
JPH09312506A (ja) * 1996-05-23 1997-12-02 Ngk Spark Plug Co Ltd 誘電体フィルタ

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI792487B (zh) * 2020-08-13 2023-02-11 乾坤科技股份有限公司 具有多層諧振器的介電濾波器
US11862835B2 (en) 2020-08-13 2024-01-02 Cyntec Co., Ltd. Dielectric filter with multilayer resonator
TWI836699B (zh) * 2022-06-22 2024-03-21 大陸商廈門松元電子股份有限公司 結構混合型陶瓷介質帶通濾波器

Also Published As

Publication number Publication date
SE9804353L (sv) 2000-01-09
BR9900051A (pt) 2000-09-05
GB2339341B (en) 2003-07-09
FR2781085A1 (fr) 2000-01-14
GB2339341A (en) 2000-01-19
ATA209998A (de) 2003-02-15
DE19859207A1 (de) 2000-01-27
JP2000049507A (ja) 2000-02-18
GB9827959D0 (en) 1999-02-10
AT411119B (de) 2003-09-25
SE9804353D0 (sv) 1998-12-16

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