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Self-oscillating antenna arrays with electronic beam scanning capabilities (CROSBI ID 749835)

Druge vrste radova | ostalo

Bonefačić, Davor Self-oscillating antenna arrays with electronic beam scanning capabilities // Znanstveni kolokvij Zavoda za radiokomunikacije Fakulteta elektrotehnike i računarstva u Zagrebu, 20.10.1997.. 1997.

Podaci o odgovornosti

Bonefačić, Davor

engleski

Self-oscillating antenna arrays with electronic beam scanning capabilities

Two-element active array for quasi-optical power combining is presented. Each array element consists of an active one-port (Gunn diode) integrated in a modified rectangular patch. The modification consists of a rectangular opening in the patch in which the active element is placed. This modification assures better defined antenna excitation point and results in low cross-polarization levels. Two active patches are integrated in active arrays in E and H plane. Both arrays operate in X band. Mutual synchronization between the array elements is achieved mainly by radiative coupling. Beam scanning is obtained by changing the bias voltage. For the E plane array a scanning of 40 degrees around broadside is demonstrated, while for the H plane array a scanning of 27 degrees is obtained. Power combining efficiency for both cases is better than 93 percent.

active antenna; microstrip antenna; active patch array; beam scanning

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Podaci o izdanju

Znanstveni kolokvij Zavoda za radiokomunikacije Fakulteta elektrotehnike i računarstva u Zagrebu, 20.10.1997.

1997.

nije evidentirano

objavljeno

Povezanost rada

Elektrotehnika