DE68922022T2 - Monolithisches keramisches Filter mit Bandsperrenwirkung. - Google Patents

Monolithisches keramisches Filter mit Bandsperrenwirkung.

Info

Publication number
DE68922022T2
DE68922022T2 DE68922022T DE68922022T DE68922022T2 DE 68922022 T2 DE68922022 T2 DE 68922022T2 DE 68922022 T DE68922022 T DE 68922022T DE 68922022 T DE68922022 T DE 68922022T DE 68922022 T2 DE68922022 T2 DE 68922022T2
Authority
DE
Germany
Prior art keywords
ceramic filter
holes
coupled
block
hole
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.)
Expired - Fee Related
Application number
DE68922022T
Other languages
English (en)
Other versions
DE68922022D1 (de
Inventor
David Mark Demuro
Darious Agahi-Kesheh
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of DE68922022D1 publication Critical patent/DE68922022D1/de
Application granted granted Critical
Publication of DE68922022T2 publication Critical patent/DE68922022T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00Auxiliary devices
    • H01P1/20Frequency-selective devices, e.g. filters
    • H01P1/213Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00Auxiliary devices
    • H01P1/20Frequency-selective devices, e.g. filters
    • H01P1/213Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
    • H01P1/2136Frequency-selective devices, e.g. filters combining or separating two or more different frequencies using comb or interdigital filters; using cascaded coaxial cavities
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00Auxiliary devices
    • H01P1/20Frequency-selective devices, e.g. filters
    • H01P1/201Filters for transverse electromagnetic waves
    • H01P1/205Comb or interdigital filters; Cascaded coaxial cavities
    • H01P1/2056Comb filters or interdigital filters with metallised resonator holes in a dielectric block
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06Receivers
DE68922022T 1988-06-14 1989-05-29 Monolithisches keramisches Filter mit Bandsperrenwirkung. Expired - Fee Related DE68922022T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/206,384 US4823098A (en) 1988-06-14 1988-06-14 Monolithic ceramic filter with bandstop function

Publications (2)

Publication Number Publication Date
DE68922022D1 DE68922022D1 (de) 1995-05-11
DE68922022T2 true DE68922022T2 (de) 1995-11-09

Family

ID=22766134

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68922022T Expired - Fee Related DE68922022T2 (de) 1988-06-14 1989-05-29 Monolithisches keramisches Filter mit Bandsperrenwirkung.

Country Status (11)

Country Link
US (1) US4823098A (de)
EP (1) EP0346672B1 (de)
JP (1) JPH0237802A (de)
KR (1) KR920010600B1 (de)
AT (1) ATE120887T1 (de)
CA (1) CA1311534C (de)
DE (1) DE68922022T2 (de)
ES (1) ES2070144T3 (de)
FI (1) FI892853A (de)
IE (1) IE68076B1 (de)
MX (1) MX166240B (de)

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US5678209A (en) * 1995-03-31 1997-10-14 Lucent Technologies Inc. Transmit power level detection circuit with enhanced gain characteristics
FI112980B (fi) * 1996-04-26 2004-02-13 Filtronic Lk Oy Integroitu suodatinrakenne
US5929721A (en) * 1996-08-06 1999-07-27 Motorola Inc. Ceramic filter with integrated harmonic response suppression using orthogonally oriented low-pass filter
JP3577954B2 (ja) * 1997-08-29 2004-10-20 株式会社村田製作所 誘電体フィルタ、デュプレクサ及び通信機装置
JP3473489B2 (ja) 1998-05-21 2003-12-02 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及び通信機装置
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AT411119B (de) * 1998-07-08 2003-09-25 Samsung Electro Mech Dielektrisches duplexsystem-filter
US6169465B1 (en) 1998-07-08 2001-01-02 Samsung Electro-Mechanics Co., Ltd. Duplexer dielectric filter
KR100262498B1 (ko) * 1998-07-08 2000-08-01 이형도 일체형유전체필터
KR100262499B1 (ko) * 1998-08-19 2000-08-01 이형도 일체형듀플렉서유전체필터
TW409458B (en) * 1998-11-03 2000-10-21 Samsung Electro Mech Dielectric filter
WO2001052344A1 (en) * 2000-01-14 2001-07-19 Cts Corporation Ceramic bandstop monoblock filter with coplanar waveguide transmission lines
KR100496161B1 (ko) 2000-01-19 2005-06-20 한국전자통신연구원 노치패턴을 가진 유전체 필터
US6404306B1 (en) * 2000-03-17 2002-06-11 Ube Electronics, Ltd. Dielectric ceramic filter with improved electrical characteristics in high side of filter passband
KR100369211B1 (ko) 2000-06-19 2003-01-24 한국과학기술연구원 일체형 유전체 듀플렉서
US6559735B1 (en) 2000-10-31 2003-05-06 Cts Corporation Duplexer filter with an alternative signal path
KR20020056750A (ko) * 2000-12-29 2002-07-10 송재인 유전체 듀플렉서
KR100476083B1 (ko) * 2001-05-24 2005-03-10 (주)파트론 고조파성분 감쇄패턴을 갖는 유전체 필터
US7541893B2 (en) * 2005-05-23 2009-06-02 Cts Corporation Ceramic RF filter and duplexer having improved third harmonic response
US7545240B2 (en) 2005-05-24 2009-06-09 Cts Corporation Filter with multiple shunt zeros
FI20055420A0 (fi) * 2005-07-25 2005-07-25 Lk Products Oy Säädettävä monikaista antenni
FI119009B (fi) 2005-10-03 2008-06-13 Pulse Finland Oy Monikaistainen antennijärjestelmä
FI118782B (fi) 2005-10-14 2008-03-14 Pulse Finland Oy Säädettävä antenni
US7714680B2 (en) * 2006-05-31 2010-05-11 Cts Corporation Ceramic monoblock filter with inductive direct-coupling and quadruplet cross-coupling
US8618990B2 (en) 2011-04-13 2013-12-31 Pulse Finland Oy Wideband antenna and methods
FI20075269A0 (fi) * 2007-04-19 2007-04-19 Pulse Finland Oy Menetelmä ja järjestely antennin sovittamiseksi
FI120427B (fi) 2007-08-30 2009-10-15 Pulse Finland Oy Säädettävä monikaista-antenni
KR101007935B1 (ko) 2009-03-16 2011-01-14 서강대학교산학협력단 멀티 밴드 처리가 가능한 일체형 유전체 멀티플렉서
FI20096134A0 (fi) 2009-11-03 2009-11-03 Pulse Finland Oy Säädettävä antenni
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 (fi) 2010-02-18 2011-08-19 Pulse Finland Oy Kuorisäteilijällä varustettu antenni
US9406998B2 (en) 2010-04-21 2016-08-02 Pulse Finland Oy Distributed multiband antenna and methods
FI20115072A0 (fi) 2011-01-25 2011-01-25 Pulse Finland Oy Moniresonanssiantenni, -antennimoduuli ja radiolaite
US9673507B2 (en) 2011-02-11 2017-06-06 Pulse Finland Oy Chassis-excited antenna apparatus and methods
US8648752B2 (en) 2011-02-11 2014-02-11 Pulse Finland Oy Chassis-excited antenna apparatus and methods
FR2974454B1 (fr) * 2011-04-20 2013-05-10 Centre Nat Etd Spatiales Duplexeur frequentiel a faible masse et faible encombrement
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
KR102205449B1 (ko) 2014-07-28 2021-01-21 삼성전자주식회사 근거리 무선 통신용 데이터 송수신 장치 및 그에 따른 수신 방법
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
CN113258232B (zh) * 2021-06-18 2024-03-12 中国电子科技集团公司第二十六研究所 高抑制的宽带介质滤波器

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Also Published As

Publication number Publication date
FI892853A0 (fi) 1989-06-09
MX166240B (es) 1992-12-28
KR900001140A (ko) 1990-01-31
ATE120887T1 (de) 1995-04-15
KR920010600B1 (ko) 1992-12-10
FI892853A (fi) 1989-12-15
ES2070144T3 (es) 1995-06-01
DE68922022D1 (de) 1995-05-11
IE891743L (en) 1989-12-14
EP0346672A2 (de) 1989-12-20
EP0346672A3 (en) 1990-11-22
US4823098A (en) 1989-04-18
EP0346672B1 (de) 1995-04-05
JPH0237802A (ja) 1990-02-07
IE68076B1 (en) 1996-05-15
CA1311534C (en) 1992-12-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee