Pregled bibliografske jedinice broj: 112930
E- and H- plane coupled power combining arrays of active patches with line transformer and transistor oscillator
E- and H- plane coupled power combining arrays of active patches with line transformer and transistor oscillator // Automatika, 43 (2002), 3-4; 151-156 (podatak o recenziji nije dostupan, članak, znanstveni)
CROSBI ID: 112930 Za ispravke kontaktirajte CROSBI podršku putem web obrasca
Naslov
E- and H- plane coupled power combining arrays of active patches with line transformer and transistor oscillator
Autori
Bonefačić, Davor ; Bartolić, Juraj
Izvornik
Automatika (0005-1144) 43
(2002), 3-4;
151-156
Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni
Ključne riječi
antenna; active antenna; microstrip antenna; antenna array; spatial power combining; injection locking
Sažetak
A patch antenna integrated with a transistor oscillator and a line impedance transformer has been used as a building element for two-element power combining arrays. Arrays coupled in E and H planes have been theoretically and experimentally investigated. The inter-element distance in the arrays has been optimized to obtain in-phase operation and mutual injection locking. High EIRP and excellent power combining efficiency are measured. The measured spectra are clean and stable. Electronic beam scanning is demonstrated. The co-polarization and cross-polarization radiation patterns are measured for the case of broadside radiation and scanned positions of the main beam. The cross-polarization levels are low.
Izvorni jezik
Engleski
Znanstvena područja
Elektrotehnika
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