JPS5420638A - Polarized filter - Google Patents

Polarized filter

Info

Publication number
JPS5420638A
JPS5420638A JP8534377A JP8534377A JPS5420638A JP S5420638 A JPS5420638 A JP S5420638A JP 8534377 A JP8534377 A JP 8534377A JP 8534377 A JP8534377 A JP 8534377A JP S5420638 A JPS5420638 A JP S5420638A
Authority
JP
Japan
Prior art keywords
band
polarized filter
coupling element
couples
pass filter
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.)
Pending
Application number
JP8534377A
Other languages
Japanese (ja)
Inventor
Isao Izumi
Yukihiro Kato
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP8534377A priority Critical patent/JPS5420638A/en
Publication of JPS5420638A publication Critical patent/JPS5420638A/en
Pending legal-status Critical Current

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

Abstract

PURPOSE:To improve attenuation characteristics outside a band, by providing an out-band resonator element which couples with the input coupling element and output coupling element of a band-pass filter respectively.
JP8534377A 1977-07-16 1977-07-16 Polarized filter Pending JPS5420638A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8534377A JPS5420638A (en) 1977-07-16 1977-07-16 Polarized filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8534377A JPS5420638A (en) 1977-07-16 1977-07-16 Polarized filter

Publications (1)

Publication Number Publication Date
JPS5420638A true JPS5420638A (en) 1979-02-16

Family

ID=13855998

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8534377A Pending JPS5420638A (en) 1977-07-16 1977-07-16 Polarized filter

Country Status (1)

Country Link
JP (1) JPS5420638A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57146402U (en) * 1981-03-09 1982-09-14
JPS59104801A (en) * 1982-12-07 1984-06-16 Fujitsu Ltd Dielectric filter
JPS6025202U (en) * 1983-07-27 1985-02-20 株式会社村田製作所 striped line filter
EP0201083A2 (en) * 1985-05-08 1986-11-12 Allen Telecom Group, Inc. Interdigital duplexer with notch resonators
FR2666177A1 (en) * 1990-08-27 1992-02-28 Alcatel Telspace HYPERFREQUENCY FILTER WITH SIDE ACCESS.
EP0615303A1 (en) * 1993-03-12 1994-09-14 Matra Marconi Space Uk Limited Dielectric resonator demultiplexer
US5406234A (en) * 1992-12-30 1995-04-11 Itt Corporation Tunable microwave filter apparatus having a notch resonator
WO1998039813A1 (en) * 1997-03-05 1998-09-11 Tx Rx Systems Inc. Comb-line filter
WO2023032564A1 (en) * 2021-08-30 2023-03-09 国立大学法人埼玉大学 Antenna module and communication device mounted with same

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57146402U (en) * 1981-03-09 1982-09-14
JPS59104801A (en) * 1982-12-07 1984-06-16 Fujitsu Ltd Dielectric filter
JPH0478041B2 (en) * 1982-12-07 1992-12-10 Fujitsu Ltd
JPS6025202U (en) * 1983-07-27 1985-02-20 株式会社村田製作所 striped line filter
EP0201083A2 (en) * 1985-05-08 1986-11-12 Allen Telecom Group, Inc. Interdigital duplexer with notch resonators
FR2666177A1 (en) * 1990-08-27 1992-02-28 Alcatel Telspace HYPERFREQUENCY FILTER WITH SIDE ACCESS.
US5406234A (en) * 1992-12-30 1995-04-11 Itt Corporation Tunable microwave filter apparatus having a notch resonator
EP0615303A1 (en) * 1993-03-12 1994-09-14 Matra Marconi Space Uk Limited Dielectric resonator demultiplexer
US5493258A (en) * 1993-03-12 1996-02-20 Matra Marconi Space Uk Limited Dielectric resonator demultiplexer with MIC circulators located within the support structure
WO1998039813A1 (en) * 1997-03-05 1998-09-11 Tx Rx Systems Inc. Comb-line filter
US5808526A (en) * 1997-03-05 1998-09-15 Tx Rx Systems Inc. Comb-line filter
WO2023032564A1 (en) * 2021-08-30 2023-03-09 国立大学法人埼玉大学 Antenna module and communication device mounted with same

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