FI963578A - Filtreringsanordning med impedansstegresonatorer - Google Patents

Filtreringsanordning med impedansstegresonatorer Download PDF

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Publication number
FI963578A
FI963578A FI963578A FI963578A FI963578A FI 963578 A FI963578 A FI 963578A FI 963578 A FI963578 A FI 963578A FI 963578 A FI963578 A FI 963578A FI 963578 A FI963578 A FI 963578A
Authority
FI
Finland
Prior art keywords
filtering device
impedance stage
stage resonators
resonators
impedance
Prior art date
Application number
FI963578A
Other languages
English (en)
Finnish (fi)
Other versions
FI102430B1 (sv
FI963578A0 (sv
FI102430B (sv
Inventor
Jukka Loukkola
Original Assignee
Lk Products 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 Lk Products Oy filed Critical Lk Products Oy
Priority to FI963578A priority Critical patent/FI102430B/sv
Publication of FI963578A0 publication Critical patent/FI963578A0/sv
Priority to DK97307041T priority patent/DK0829914T3/da
Priority to EP97307041A priority patent/EP0829914B1/en
Priority to DE69711524T priority patent/DE69711524T2/de
Priority to US08/927,644 priority patent/US6011452A/en
Publication of FI963578A publication Critical patent/FI963578A/sv
Application granted granted Critical
Publication of FI102430B1 publication Critical patent/FI102430B1/sv
Publication of FI102430B publication Critical patent/FI102430B/sv

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)
FI963578A 1996-09-11 1996-09-11 Filtreringsanordning med impedansstegresonatorer FI102430B (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI963578A FI102430B (sv) 1996-09-11 1996-09-11 Filtreringsanordning med impedansstegresonatorer
DK97307041T DK0829914T3 (da) 1996-09-11 1997-09-10 Filterindretning med impedanstrinresonatorer
EP97307041A EP0829914B1 (en) 1996-09-11 1997-09-10 Filtering arrangement with impedance step resonators
DE69711524T DE69711524T2 (de) 1996-09-11 1997-09-10 Filteranordnung mit impedanzgestuften Resonatoren
US08/927,644 US6011452A (en) 1996-09-11 1997-09-11 Filtering arrangement with impedance step resonators

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI963578A FI102430B (sv) 1996-09-11 1996-09-11 Filtreringsanordning med impedansstegresonatorer
FI963578 1996-09-11

Publications (4)

Publication Number Publication Date
FI963578A0 FI963578A0 (sv) 1996-09-11
FI963578A true FI963578A (sv) 1998-03-12
FI102430B1 FI102430B1 (sv) 1998-11-30
FI102430B FI102430B (sv) 1998-11-30

Family

ID=8546638

Family Applications (1)

Application Number Title Priority Date Filing Date
FI963578A FI102430B (sv) 1996-09-11 1996-09-11 Filtreringsanordning med impedansstegresonatorer

Country Status (5)

Country Link
US (1) US6011452A (sv)
EP (1) EP0829914B1 (sv)
DE (1) DE69711524T2 (sv)
DK (1) DK0829914T3 (sv)
FI (1) FI102430B (sv)

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
CN100568718C (zh) * 2003-03-19 2009-12-09 Nxp股份有限公司 短长度的微带滤波器
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 (sv) * 1991-06-25 1993-05-10 Lk Products Oy Förfarande för förskjutning av den karakteristika kurvan av en resonat or i frekvensplanet och en resonatorkonstruktion
US5177458A (en) * 1991-07-31 1993-01-05 Motorola, Inc. Dielectric filter construction having notched mounting surface
FI90926C (sv) * 1992-05-14 1994-04-11 Lk Products Oy Högfrekvensfilter med omkopplingsegenskap
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 (sv) * 1993-04-08 1995-03-27 Lk Products Oy Förfarande för åstadkommande av en kopplingsöppning i ett radiofrekvensfilters mellanvägg mellan helix-resonatorer samt filter
FI99216C (sv) * 1993-07-02 1997-10-27 Lk Products Oy Dielektriskt filter
FI95516C (sv) * 1994-03-15 1996-02-12 Lk Products Oy Kopplingselement för kopplandet till en överföringledningsresonator
FI98870C (sv) * 1994-05-26 1997-08-25 Lk Products Oy Dielektriskt filter
FI97923C (sv) * 1995-03-22 1997-03-10 Lk Products Oy Filter med stegvis reglering
FI97922C (sv) * 1995-03-22 1997-03-10 Lk Products Oy Filter med förbättrat stopp/passförhållande
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
EP0829914A2 (en) 1998-03-18
FI102430B1 (sv) 1998-11-30
FI963578A0 (sv) 1996-09-11
EP0829914A3 (en) 1999-03-17
DE69711524D1 (de) 2002-05-08
DK0829914T3 (da) 2002-07-22
FI102430B (sv) 1998-11-30
DE69711524T2 (de) 2002-11-21
US6011452A (en) 2000-01-04
EP0829914B1 (en) 2002-04-03

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Legal Events

Date Code Title Description
MA Patent expired