[go: up one dir, main page]

IT1180685B - Sfasatore differenziale operante in larga banda di frequenza con sfasamento differenziale costante - Google Patents

Sfasatore differenziale operante in larga banda di frequenza con sfasamento differenziale costante

Info

Publication number
IT1180685B
IT1180685B IT47797/84A IT4779784A IT1180685B IT 1180685 B IT1180685 B IT 1180685B IT 47797/84 A IT47797/84 A IT 47797/84A IT 4779784 A IT4779784 A IT 4779784A IT 1180685 B IT1180685 B IT 1180685B
Authority
IT
Italy
Prior art keywords
differential
frequency band
large frequency
shift
shifter operating
Prior art date
Application number
IT47797/84A
Other languages
English (en)
Other versions
IT8447797A0 (it
Inventor
Piero Vita
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
Priority to IT47797/84A priority Critical patent/IT1180685B/it
Publication of IT8447797A0 publication Critical patent/IT8447797A0/it
Priority to EP85830052A priority patent/EP0158606B1/en
Priority to DE8585830052T priority patent/DE3579613D1/de
Priority to CA000475555A priority patent/CA1236536A/en
Priority to US06/707,428 priority patent/US4596968A/en
Priority to JP60038946A priority patent/JPS60206201A/ja
Application granted granted Critical
Publication of IT1180685B publication Critical patent/IT1180685B/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/165—Auxiliary devices for rotating the plane of polarisation
    • H01P1/17—Auxiliary devices for rotating the plane of polarisation for producing a continuously rotating polarisation, e.g. circular polarisation
    • H01P1/173—Auxiliary devices for rotating the plane of polarisation for producing a continuously rotating polarisation, e.g. circular polarisation using a conductive element
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/18—Phase-shifters
    • H01P1/182—Waveguide phase-shifters
IT47797/84A 1984-03-02 1984-03-02 Sfasatore differenziale operante in larga banda di frequenza con sfasamento differenziale costante IT1180685B (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT47797/84A IT1180685B (it) 1984-03-02 1984-03-02 Sfasatore differenziale operante in larga banda di frequenza con sfasamento differenziale costante
EP85830052A EP0158606B1 (en) 1984-03-02 1985-02-28 Wide frequency band differential phase shifter with constant differential phase shifting
DE8585830052T DE3579613D1 (de) 1984-03-02 1985-02-28 Breitbandiger differentialphasenschieber mit fester differentialphasenschiebung.
CA000475555A CA1236536A (en) 1984-03-02 1985-03-01 Wide frequency band differential phase shifter with constant differential phase shifting
US06/707,428 US4596968A (en) 1984-03-02 1985-03-01 Wide frequency band differential phase shifter with constant differential phase shifting
JP60038946A JPS60206201A (ja) 1984-03-02 1985-03-01 広域周波数用差動移相器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT47797/84A IT1180685B (it) 1984-03-02 1984-03-02 Sfasatore differenziale operante in larga banda di frequenza con sfasamento differenziale costante

Publications (2)

Publication Number Publication Date
IT8447797A0 IT8447797A0 (it) 1984-03-02
IT1180685B true IT1180685B (it) 1987-09-23

Family

ID=11262566

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47797/84A IT1180685B (it) 1984-03-02 1984-03-02 Sfasatore differenziale operante in larga banda di frequenza con sfasamento differenziale costante

Country Status (6)

Country Link
US (1) US4596968A (it)
EP (1) EP0158606B1 (it)
JP (1) JPS60206201A (it)
CA (1) CA1236536A (it)
DE (1) DE3579613D1 (it)
IT (1) IT1180685B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4725795A (en) * 1985-08-19 1988-02-16 Hughes Aircraft Co. Corrugated ridge waveguide phase shifting structure
US4688006A (en) * 1985-10-02 1987-08-18 Hughes Aircraft Company Phase compensated hybrid coupler
FR2604305B1 (fr) * 1986-09-18 1988-12-02 Alcatel Thomson Faisceaux Filtre composite a large bande de type plan e
CA1260083A (en) * 1986-12-04 1989-09-26 Chuck K. Mok Phase slope equalizer for satellite attennas
DE19807077A1 (de) * 1998-02-20 1999-08-26 Pates Tech Patentverwertung Polarisierer und Verfahren zur Herstellung von diesem
US6166610A (en) * 1999-02-22 2000-12-26 Hughes Electronics Corporation Integrated reconfigurable polarizer
US20100104236A1 (en) * 2008-10-28 2010-04-29 Keating Brian G Wide band microwave phase shifter
WO2010050930A1 (en) * 2008-10-28 2010-05-06 The Regents Of The University Of California Wide band microwave phase shifter

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2772400A (en) * 1954-01-08 1956-11-27 Alan J Simmons Microwave polarization changer
DE1116290B (de) * 1957-04-26 1961-11-02 Siemens Ag Leitungsanordnung zur UEbertragung elektromagnetischer Wellen
US3118118A (en) * 1960-05-27 1964-01-14 Scanwell Lab Inc Variable waveguide
GB1269950A (en) * 1968-11-15 1972-04-06 Plessey Co Ltd Improvements in or relating to antenna feed systems
GB1365484A (en) * 1971-11-10 1974-09-04 Plessey Co Ltd Waveguide structures
US3857112A (en) * 1973-11-02 1974-12-24 Gte Sylvania Inc Broadband quarter-wave plate assembly
FR2331165A1 (fr) * 1975-11-04 1977-06-03 Thomson Csf Cornet exponentiel et antenne comportant un tel cornet
US4100514A (en) * 1977-04-28 1978-07-11 Gte Sylvania Incorporated Broadband microwave polarizer device

Also Published As

Publication number Publication date
JPS60206201A (ja) 1985-10-17
EP0158606A3 (en) 1986-04-16
EP0158606B1 (en) 1990-09-12
US4596968A (en) 1986-06-24
CA1236536A (en) 1988-05-10
IT8447797A0 (it) 1984-03-02
DE3579613D1 (de) 1990-10-18
EP0158606A2 (en) 1985-10-16

Similar Documents

Publication Publication Date Title
EP0172560A3 (en) Variable frequency synthesizer
MX150593A (es) Mejoras a transmision sincronizada
DK150559C (da) Frekvenssyntesizer
AU539806B2 (en) Digital frequency selector
FI862583L (fi) Taajuusjako
IT1180685B (it) Sfasatore differenziale operante in larga banda di frequenza con sfasamento differenziale costante
ZA772708B (en) Improvements in or relating to a frequency converter
AR215025A1 (es) Una disposicion para la transmision de determinadas senales de reloj incluidas en una serie de senales de reloj
AU4570585A (en) Continuously variable transmission with synchronous shift and extended range
JPS5368533A (en) Wide band 180 degree phase shifter
EP0138406A3 (en) Shift register
ZA791982B (en) Frequency selector tuning means
DE3061310D1 (en) Frequency shift modulator
ZA801936B (en) Frequency multiplication
JPS5694801A (en) Differential ferrite phase shifter
GB2075780B (en) Quadrature stage frequency converter
IT8067021A0 (it) Trasmissione a cinghia trapezoidale
AR227383A1 (es) Disposicion digital divisora de frecuencia
AU511637B2 (en) Frequency division with non-integral division ratio
JPS54101634A (en) Shift arithmetic circuit
GB1543389A (en) Countershaft type power transmission
GB1550191A (en) Microwave band branching arrangements
AU532278B2 (en) Cascaded frequency converter
JPS55133096A (en) Sequencer having tuning shift function
EP0146379A3 (en) Shift register stage

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970124