DK0829914T3 - Filterindretning med impedanstrinresonatorer - Google Patents

Filterindretning med impedanstrinresonatorer

Info

Publication number
DK0829914T3
DK0829914T3 DK97307041T DK97307041T DK0829914T3 DK 0829914 T3 DK0829914 T3 DK 0829914T3 DK 97307041 T DK97307041 T DK 97307041T DK 97307041 T DK97307041 T DK 97307041T DK 0829914 T3 DK0829914 T3 DK 0829914T3
Authority
DK
Denmark
Prior art keywords
filter device
impedance stage
stage resonators
resonators
impedance
Prior art date
Application number
DK97307041T
Other languages
Danish (da)
English (en)
Inventor
Jukka Loukkola
Original Assignee
Filtronic Lk Oy
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 Filtronic Lk Oy filed Critical Filtronic Lk Oy
Application granted granted Critical
Publication of DK0829914T3 publication Critical patent/DK0829914T3/da

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
    • H01P1/201—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)
DK97307041T 1996-09-11 1997-09-10 Filterindretning med impedanstrinresonatorer DK0829914T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI963578A FI102430B1 (fi) 1996-09-11 1996-09-11 Impedanssiaskelresonaattoreilla toteutettu suodatusratkaisu

Publications (1)

Publication Number Publication Date
DK0829914T3 true DK0829914T3 (da) 2002-07-22

Family

ID=8546638

Family Applications (1)

Application Number Title Priority Date Filing Date
DK97307041T DK0829914T3 (da) 1996-09-11 1997-09-10 Filterindretning med impedanstrinresonatorer

Country Status (5)

Country Link
US (1) US6011452A (fi)
EP (1) EP0829914B1 (fi)
DE (1) DE69711524T2 (fi)
DK (1) DK0829914T3 (fi)
FI (1) FI102430B1 (fi)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3521839B2 (ja) * 1999-05-27 2004-04-26 株式会社村田製作所 誘電体フィルタ、誘電体デュプレクサおよび通信機
EP1606876B1 (en) * 2003-03-19 2008-01-23 Nxp B.V. Microstrip filter of short length
US7728676B2 (en) 2007-09-17 2010-06-01 Atheros Communications, Inc. Voltage-controlled oscillator with control range limiter

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4371853A (en) * 1979-10-30 1983-02-01 Matsushita Electric Industrial Company, Limited Strip-line resonator and a band pass filter having the same
US4757288A (en) * 1987-02-25 1988-07-12 Rockwell International Corporation Ceramic TEM bandstop filters
US5103197A (en) * 1989-06-09 1992-04-07 Lk-Products Oy Ceramic band-pass filter
FI88442C (fi) * 1991-06-25 1993-05-10 Lk Products Oy Foerfarande foer foerskjutning av den karakteristika kurvan av en resonator i frekvensplanet och en resonatorkonstruktion
US5177458A (en) * 1991-07-31 1993-01-05 Motorola, Inc. Dielectric filter construction having notched mounting surface
FI90926C (fi) * 1992-05-14 1994-04-11 Lk Products Oy Vaihtokytkimenä toimiva suurtaajuussuodatin
US5392011A (en) * 1992-11-20 1995-02-21 Motorola, Inc. Tunable filter having capacitively coupled tuning elements
US5410284A (en) * 1992-12-09 1995-04-25 Allen Telecom Group, Inc. Folded multiple bandpass filter with various couplings
FI93404C (fi) * 1993-04-08 1995-03-27 Lk Products Oy Menetelmä kytkentäaukon tekemiseksi radiotaajuussuodattimen helix-resonaattoreiden väliseen väliseinään sekä suodatin
FI99216C (fi) * 1993-07-02 1997-10-27 Lk Products Oy Dielektrinen suodatin
FI95516C (fi) * 1994-03-15 1996-02-12 Lk Products Oy Kytkentäelementti siirtojohtoresonaattoriin kytkeytymiseksi
FI98870C (fi) * 1994-05-26 1997-08-25 Lk Products Oy Dielektrinen suodatin
FI97922C (fi) * 1995-03-22 1997-03-10 Lk Products Oy Esto/päästö-suhteeltaan parannettu suodatin
FI97923C (fi) * 1995-03-22 1997-03-10 Lk Products Oy Portaittain säädettävä suodatin
JP3050090B2 (ja) * 1995-06-20 2000-06-05 株式会社村田製作所 誘電体フィルタ

Also Published As

Publication number Publication date
FI963578A0 (fi) 1996-09-11
DE69711524D1 (de) 2002-05-08
EP0829914B1 (en) 2002-04-03
DE69711524T2 (de) 2002-11-21
US6011452A (en) 2000-01-04
EP0829914A3 (en) 1999-03-17
FI102430B (fi) 1998-11-30
FI102430B1 (fi) 1998-11-30
EP0829914A2 (en) 1998-03-18
FI963578A (fi) 1998-03-12

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