EP0163611A3 - Branching network for the separation of very high frequency signals in double polarization - Google Patents

Branching network for the separation of very high frequency signals in double polarization Download PDF

Info

Publication number
EP0163611A3
EP0163611A3 EP85830053A EP85830053A EP0163611A3 EP 0163611 A3 EP0163611 A3 EP 0163611A3 EP 85830053 A EP85830053 A EP 85830053A EP 85830053 A EP85830053 A EP 85830053A EP 0163611 A3 EP0163611 A3 EP 0163611A3
Authority
EP
European Patent Office
Prior art keywords
separation
high frequency
frequency signals
double polarization
branching network
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.)
Withdrawn
Application number
EP85830053A
Other languages
German (de)
French (fr)
Other versions
EP0163611A2 (en
Inventor
Piero Vita
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.)
Alenia Spazio SpA
Original Assignee
Selenia Spazio SpA
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 Selenia Spazio SpA filed Critical Selenia Spazio SpA
Publication of EP0163611A2 publication Critical patent/EP0163611A2/en
Publication of EP0163611A3 publication Critical patent/EP0163611A3/en
Withdrawn legal-status Critical Current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
    • H01P1/16—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion
    • H01P1/161—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion sustaining two independent orthogonal modes, e.g. orthomode transducer
    • 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
    • H01P1/2131—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies with combining or separating polarisations

Abstract

Branching network for the separation of very high frequency signals in double polarization, with compact structure, reduced loss due to insertion and with a high degree of selectivity for frequencies and polarizations to be used essentially in the field of terrestrial stations for satellite communications.
EP85830053A 1984-03-02 1985-02-28 Branching network for the separation of very high frequency signals in double polarization Withdrawn EP0163611A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT47796/84A IT1199081B (en) 1984-03-02 1984-03-02 NETWORK NETWORK TO SEPARATE HIGH-FREQUENCY SIGNALS IN DOUBLE POLARIZATION
IT4779684 1984-03-02

Publications (2)

Publication Number Publication Date
EP0163611A2 EP0163611A2 (en) 1985-12-04
EP0163611A3 true EP0163611A3 (en) 1988-03-16

Family

ID=11262560

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85830053A Withdrawn EP0163611A3 (en) 1984-03-02 1985-02-28 Branching network for the separation of very high frequency signals in double polarization

Country Status (4)

Country Link
EP (1) EP0163611A3 (en)
JP (1) JPS60206203A (en)
CA (1) CA1230391A (en)
IT (1) IT1199081B (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5219066A (en) * 1975-08-01 1977-01-14 Furiyuarouuea Inc Silicon wafer holder
JPS539906A (en) * 1976-07-16 1978-01-28 Daihatsu Motor Co Ltd Double mixture type gasoline engine

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
12TH EUROPEAN MICROWAVE CONFERENCE PROCEEDINGS, 13th - 17th September 1982, pages 773-777, Finlandia Hail, Helsinki, FI; E. CAVALIERI D'ORO et al.: "Diplexing network for 'frequency reuse'" *
ABSTRACTS OF IECE TRANSACTIONS, vol. 58, no. 10, October 1975, pages 23-24 ; S. SHINDO: "A 20 GHz and 30 GHz bands transmit-receive filter usng square waveguide" *
BELL TELEPHONE SYSTEM, monograph nr. 3341, 1960, pages 1-15, The Bell System Technical Journal, vol. 38, US; E.T. HARKLESS: "Network for combining radio systems at 4,6 an 11 kmc" *
BELL TELEPHONE SYSTEM, monograph nr. 3750, 1961, pages 1-15, The Bell System Technical Journal, vol. 40, US; E.A. MARCATILI et al.: "Band-splitting filter" *

Also Published As

Publication number Publication date
IT8447796A0 (en) 1984-03-02
IT1199081B (en) 1988-12-30
CA1230391A (en) 1987-12-15
JPS60206203A (en) 1985-10-17
EP0163611A2 (en) 1985-12-04

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Inventor name: VITA, PIERO