Direct fed spiral antenna

Details Direct fed spiral antenna Direct fed spiral antenna

H - Electricity

01

Q

351/19

H01Q 3/26 (2006.01) H01Q 9/27 (2006.01) H01Q 23/00 (2006.01)

Patent

CA 1064608

ABSTRACT A direct fed spiral antenna element array is disclosed for radiating electromagnetic energy. Each antenna element is a multi-arm spiral element having inner and outer ends. Phase shifting is obtained with internal phase control wherein a switching diode serves to inter- connect selected ones of the inner arm ends. Each such antenna element is directly fed by a feed network which feeds currents directly to the outer ends of the spiral arms.

244943

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