FI113579B - Filterkonstruktion och oscillator för frekvenser av flera gigahertz - Google Patents

Filterkonstruktion och oscillator för frekvenser av flera gigahertz Download PDF

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Publication number
FI113579B
FI113579B FI981026A FI981026A FI113579B FI 113579 B FI113579 B FI 113579B FI 981026 A FI981026 A FI 981026A FI 981026 A FI981026 A FI 981026A FI 113579 B FI113579 B FI 113579B
Authority
FI
Finland
Prior art keywords
och
radio frequency
inre
base plate
frequency filter
Prior art date
Application number
FI981026A
Other languages
English (en)
Finnish (fi)
Other versions
FI981026A0 (sv
FI981026A (sv
Inventor
Panu Hagstroem
Jari Pelkonen
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
Priority to FI981026A priority Critical patent/FI113579B/sv
Publication of FI981026A0 publication Critical patent/FI981026A0/sv
Priority to EP99660071A priority patent/EP0955688A3/en
Priority to US09/310,706 priority patent/US6215376B1/en
Publication of FI981026A publication Critical patent/FI981026A/sv
Application granted granted Critical
Publication of FI113579B publication Critical patent/FI113579B/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
    • H01P1/2053—Comb or interdigital filters; Cascaded coaxial cavities the coaxial cavity resonators being disposed parall to each other

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
FI981026A 1998-05-08 1998-05-08 Filterkonstruktion och oscillator för frekvenser av flera gigahertz FI113579B (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI981026A FI113579B (sv) 1998-05-08 1998-05-08 Filterkonstruktion och oscillator för frekvenser av flera gigahertz
EP99660071A EP0955688A3 (en) 1998-05-08 1999-05-05 Filter construction and oscillator for frequencies of several gigahertz
US09/310,706 US6215376B1 (en) 1998-05-08 1999-05-07 Filter construction and oscillator for frequencies of several gigahertz

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI981026 1998-05-08
FI981026A FI113579B (sv) 1998-05-08 1998-05-08 Filterkonstruktion och oscillator för frekvenser av flera gigahertz

Publications (3)

Publication Number Publication Date
FI981026A0 FI981026A0 (sv) 1998-05-08
FI981026A FI981026A (sv) 1999-11-09
FI113579B true FI113579B (sv) 2004-05-14

Family

ID=8551682

Family Applications (1)

Application Number Title Priority Date Filing Date
FI981026A FI113579B (sv) 1998-05-08 1998-05-08 Filterkonstruktion och oscillator för frekvenser av flera gigahertz

Country Status (3)

Country Link
US (1) US6215376B1 (sv)
EP (1) EP0955688A3 (sv)
FI (1) FI113579B (sv)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6806791B1 (en) * 2000-02-29 2004-10-19 Radio Frequency Systems, Inc. Tunable microwave multiplexer
FI114251B (sv) * 2000-09-22 2004-09-15 Filtronic Lk Oy Resonatorfilter
EP1763905A4 (en) 2004-06-28 2012-08-29 Pulse Finland Oy ANTENNA COMPONENT
US7068128B1 (en) * 2004-07-21 2006-06-27 Hrl Laboratories, Llc Compact combline resonator and filter
DE102004045006B4 (de) * 2004-09-16 2006-09-28 Kathrein-Austria Ges.M.B.H. Hochfrequenzfilter
FI20055420A0 (sv) * 2005-07-25 2005-07-25 Lk Products Oy Reglerbar flerbandsantenn
FI119009B (sv) 2005-10-03 2008-06-13 Pulse Finland Oy Flerbandsantennsystem
FI118782B (sv) 2005-10-14 2008-03-14 Pulse Finland Oy Reglerbar antenn
FI119577B (sv) * 2005-11-24 2008-12-31 Pulse Finland Oy Flerbandsantennkomponent
US8618990B2 (en) 2011-04-13 2013-12-31 Pulse Finland Oy Wideband antenna and methods
US10211538B2 (en) 2006-12-28 2019-02-19 Pulse Finland Oy Directional antenna apparatus and methods
FI20075269A0 (sv) 2007-04-19 2007-04-19 Pulse Finland Oy Förfarande och system för anpassning av en antenn
FI120427B (sv) 2007-08-30 2009-10-15 Pulse Finland Oy Reglerbar flerbandsantenn
FI20096134A0 (sv) 2009-11-03 2009-11-03 Pulse Finland Oy Reglerbar antenn
FI20096251A0 (sv) 2009-11-27 2009-11-27 Pulse Finland Oy MIMO-antenn
US8847833B2 (en) 2009-12-29 2014-09-30 Pulse Finland Oy Loop resonator apparatus and methods for enhanced field control
FI20105158A (sv) 2010-02-18 2011-08-19 Pulse Finland Oy Med skalstrålare försedd antenn
US9406998B2 (en) 2010-04-21 2016-08-02 Pulse Finland Oy Distributed multiband antenna and methods
FI20115072A0 (sv) 2011-01-25 2011-01-25 Pulse Finland Oy Multiresonansantenn, -antennmodul och radioanordning
US8648752B2 (en) 2011-02-11 2014-02-11 Pulse Finland Oy Chassis-excited antenna apparatus and methods
US9673507B2 (en) 2011-02-11 2017-06-06 Pulse Finland Oy Chassis-excited antenna apparatus and methods
US8866689B2 (en) 2011-07-07 2014-10-21 Pulse Finland Oy Multi-band antenna and methods for long term evolution wireless system
US9450291B2 (en) 2011-07-25 2016-09-20 Pulse Finland Oy Multiband slot loop antenna apparatus and methods
US9123990B2 (en) 2011-10-07 2015-09-01 Pulse Finland Oy Multi-feed antenna apparatus and methods
US9531058B2 (en) 2011-12-20 2016-12-27 Pulse Finland Oy Loosely-coupled radio antenna apparatus and methods
US9484619B2 (en) 2011-12-21 2016-11-01 Pulse Finland Oy Switchable diversity antenna apparatus and methods
US8988296B2 (en) 2012-04-04 2015-03-24 Pulse Finland Oy Compact polarized antenna and methods
US9979078B2 (en) 2012-10-25 2018-05-22 Pulse Finland Oy Modular cell antenna apparatus and methods
US10069209B2 (en) 2012-11-06 2018-09-04 Pulse Finland Oy Capacitively coupled antenna apparatus and methods
US10079428B2 (en) 2013-03-11 2018-09-18 Pulse Finland Oy Coupled antenna structure and methods
US9647338B2 (en) 2013-03-11 2017-05-09 Pulse Finland Oy Coupled antenna structure and methods
US9634383B2 (en) 2013-06-26 2017-04-25 Pulse Finland Oy Galvanically separated non-interacting antenna sector apparatus and methods
US9680212B2 (en) 2013-11-20 2017-06-13 Pulse Finland Oy Capacitive grounding methods and apparatus for mobile devices
US9590308B2 (en) 2013-12-03 2017-03-07 Pulse Electronics, Inc. Reduced surface area antenna apparatus and mobile communications devices incorporating the same
US9350081B2 (en) 2014-01-14 2016-05-24 Pulse Finland Oy Switchable multi-radiator high band antenna apparatus
US9973228B2 (en) 2014-08-26 2018-05-15 Pulse Finland Oy Antenna apparatus with an integrated proximity sensor and methods
US9948002B2 (en) 2014-08-26 2018-04-17 Pulse Finland Oy Antenna apparatus with an integrated proximity sensor and methods
US9722308B2 (en) 2014-08-28 2017-08-01 Pulse Finland Oy Low passive intermodulation distributed antenna system for multiple-input multiple-output systems and methods of use
US9906260B2 (en) 2015-07-30 2018-02-27 Pulse Finland Oy Sensor-based closed loop antenna swapping apparatus and methods

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3617954A (en) * 1970-05-08 1971-11-02 Microwave Dev Lab Inc Semilumped comb line filter
GB1358980A (en) * 1971-06-15 1974-07-03 Ferranti Ltd Microwave filters
US4066988A (en) * 1976-09-07 1978-01-03 Stanford Research Institute Electromagnetic resonators having slot-located switches for tuning to different frequencies
DE2653856C2 (de) * 1976-11-26 1978-09-28 Siemens Ag, 1000 Berlin Und 8000 Muenchen Filter für sehr kurze elektromagnetische Wellen
JPS5717201A (en) * 1980-07-07 1982-01-28 Fujitsu Ltd Dielectric substance filter
US4342969A (en) * 1980-10-06 1982-08-03 General Electric Company Means for matching impedances between a helical resonator and a circuit connected thereto
US5130683A (en) 1991-04-01 1992-07-14 Motorola, Inc. Half wave resonator dielectric filter construction having self-shielding top and bottom surfaces
US5262742A (en) 1992-05-20 1993-11-16 Radio Frequency Systems, Inc. Half-wave folded cross-coupled filter
US5557247A (en) * 1993-08-06 1996-09-17 Uab Research Foundation Radio frequency volume coils for imaging and spectroscopy
JP3239552B2 (ja) 1993-09-16 2001-12-17 株式会社村田製作所 誘電体共振器装置
JP3282351B2 (ja) 1994-02-17 2002-05-13 株式会社村田製作所 誘電体共振器装置
FI98870C (sv) * 1994-05-26 1997-08-25 Lk Products Oy Dielektriskt filter
FI97754C (sv) * 1994-12-21 1997-02-10 Verdera Oy Elektrisk reglering av resonatorns resonansfrekvens
US5684439A (en) 1995-10-10 1997-11-04 Motorola, Inc. Half wave ceramic filter with open circuit at both ends
JPH09219605A (ja) * 1996-02-09 1997-08-19 Ngk Spark Plug Co Ltd 誘電体フィルタ及びその共振周波数調整方法

Also Published As

Publication number Publication date
US6215376B1 (en) 2001-04-10
FI981026A0 (sv) 1998-05-08
EP0955688A3 (en) 2000-11-29
FI981026A (sv) 1999-11-09
EP0955688A2 (en) 1999-11-10

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