ZA863435B - Interdigital duplexer with notch resonators - Google Patents

Interdigital duplexer with notch resonators

Info

Publication number
ZA863435B
ZA863435B ZA863435A ZA863435A ZA863435B ZA 863435 B ZA863435 B ZA 863435B ZA 863435 A ZA863435 A ZA 863435A ZA 863435 A ZA863435 A ZA 863435A ZA 863435 B ZA863435 B ZA 863435B
Authority
ZA
South Africa
Prior art keywords
interdigital
duplexer
notch resonators
resonators
notch
Prior art date
Application number
ZA863435A
Other languages
English (en)
Inventor
Ronald E Jachowski
Original Assignee
Orion Industries
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 Orion Industries filed Critical Orion Industries
Publication of ZA863435B publication Critical patent/ZA863435B/xx

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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Transceivers (AREA)
ZA863435A 1985-05-08 1986-05-07 Interdigital duplexer with notch resonators ZA863435B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/732,357 US4596969A (en) 1985-05-08 1985-05-08 Interdigital duplexer with notch resonators

Publications (1)

Publication Number Publication Date
ZA863435B true ZA863435B (en) 1987-02-25

Family

ID=24943211

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA863435A ZA863435B (en) 1985-05-08 1986-05-07 Interdigital duplexer with notch resonators

Country Status (9)

Country Link
US (1) US4596969A (xx)
EP (1) EP0201083B1 (xx)
JP (1) JPH0824244B2 (xx)
AU (1) AU577511B2 (xx)
CA (1) CA1245310A (xx)
DE (1) DE3689178T2 (xx)
DK (1) DK166181C (xx)
MX (1) MX167234B (xx)
ZA (1) ZA863435B (xx)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5151670A (en) * 1991-04-10 1992-09-29 Radio Frequency Systems, Inc. Duplexing filter
US5153541A (en) * 1991-05-20 1992-10-06 At&T Bell Laboratories Folded interdigital notch filter
US5304962A (en) * 1992-08-11 1994-04-19 At&T Bell Laboratories Microwave transmission means with improved coatings
US5406234A (en) * 1992-12-30 1995-04-11 Itt Corporation Tunable microwave filter apparatus having a notch resonator
US5446729A (en) * 1993-11-01 1995-08-29 Allen Telecom Group, Inc. Compact, low-intermodulation multiplexer employing interdigital filters
US5808526A (en) * 1997-03-05 1998-09-15 Tx Rx Systems Inc. Comb-line filter
US6713938B2 (en) 1999-01-14 2004-03-30 The Regents Of The University Of Michigan Method and apparatus for filtering signals utilizing a vibrating micromechanical resonator
US6424074B2 (en) 1999-01-14 2002-07-23 The Regents Of The University Of Michigan Method and apparatus for upconverting and filtering an information signal utilizing a vibrating micromechanical device
US6249073B1 (en) 1999-01-14 2001-06-19 The Regents Of The University Of Michigan Device including a micromechanical resonator having an operating frequency and method of extending same
US6593831B2 (en) 1999-01-14 2003-07-15 The Regents Of The University Of Michigan Method and apparatus for filtering signals in a subsystem including a power amplifier utilizing a bank of vibrating micromechanical apparatus
US6600252B2 (en) 1999-01-14 2003-07-29 The Regents Of The University Of Michigan Method and subsystem for processing signals utilizing a plurality of vibrating micromechanical devices
US6577040B2 (en) 1999-01-14 2003-06-10 The Regents Of The University Of Michigan Method and apparatus for generating a signal having at least one desired output frequency utilizing a bank of vibrating micromechanical devices
US6566786B2 (en) 1999-01-14 2003-05-20 The Regents Of The University Of Michigan Method and apparatus for selecting at least one desired channel utilizing a bank of vibrating micromechanical apparatus
JP2001177433A (ja) * 1999-12-21 2001-06-29 Murata Mfg Co Ltd 高周波複合部品及び移動体通信装置
US7937054B2 (en) * 2005-12-16 2011-05-03 Honeywell International Inc. MEMS based multiband receiver architecture
JP2010141877A (ja) * 2008-12-09 2010-06-24 Korea Electronics Telecommun 結合線路フィルタ及びその配置方法
DE102017119907A1 (de) 2017-08-30 2019-02-28 Kathrein Se Koaxialfilter

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3068428A (en) * 1955-06-16 1962-12-11 Andrew Alford Diplexing unit
JPS4523443Y1 (xx) * 1966-07-15 1970-09-16
US3597709A (en) * 1969-03-24 1971-08-03 Microwave Dev Lab Inc Filter having direct and cross-coupled resonators
SU416795A1 (xx) 1971-12-31 1974-02-25
US3818389A (en) * 1973-09-20 1974-06-18 Bell Telephone Labor Inc Dual interdigital filter for microwave mixer
JPS52153358A (en) * 1976-06-14 1977-12-20 Murata Manufacturing Co Branching filter using dielectric filter
JPS5420638A (en) * 1977-07-16 1979-02-16 Nec Corp Polarized filter
US4168479A (en) * 1977-10-25 1979-09-18 The United States Of America As Represented By The Secretary Of The Navy Millimeter wave MIC diplexer
US4266206A (en) * 1978-08-31 1981-05-05 Motorola, Inc. Stripline filter device
US4210881A (en) * 1978-11-09 1980-07-01 The United States Of America As Represented By The Secretary Of The Navy Millimeter wave microstrip triplexer
US4281302A (en) * 1979-12-27 1981-07-28 Communications Satellite Corporation Quasi-elliptic function microstrip interdigital filter
JPS57148403A (en) * 1981-03-09 1982-09-13 Yagi Antenna Co Ltd Branching filter
JPS583301A (ja) * 1981-06-30 1983-01-10 Fujitsu Ltd 誘電体フィルタ
JPS58157201A (ja) * 1982-03-15 1983-09-19 Tdk Corp 送受共用装置及びその装置を使用した通信方式
US4488130A (en) * 1983-02-24 1984-12-11 Hughes Aircraft Company Microwave integrated circuit, bandpass filter

Also Published As

Publication number Publication date
EP0201083A2 (en) 1986-11-12
EP0201083A3 (en) 1988-09-07
MX167234B (es) 1993-03-10
DK166181C (da) 1993-08-09
DK212386D0 (da) 1986-05-07
CA1245310A (en) 1988-11-22
JPS61274502A (ja) 1986-12-04
AU577511B2 (en) 1988-09-22
EP0201083B1 (en) 1993-10-20
DE3689178D1 (de) 1993-11-25
AU5726286A (en) 1987-11-12
US4596969A (en) 1986-06-24
JPH0824244B2 (ja) 1996-03-06
DE3689178T2 (de) 1994-05-05
DK166181B (da) 1993-03-15
DK212386A (da) 1986-11-09

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