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A Ka-band perpendiculary-fed patch array for spatial power combining

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3 Author(s)
Ortiz, S. ; Dept. of Electr. & Comput. Eng., North Carolina State Univ., Raleigh, NC, USA ; Al-Zayed, A. ; Mortazawi, A.

A Ka-band spatial power combining amplifier array employing a perpendicular feed structure is presented. The amplifier array utilizes perpendicularly-fed, aperture-coupled microstrip patch antennas with a unique feed structure for both the input and output antennas. This feed places the devices and antennas on separate planes, allowing for a smaller unit cell size, a simplified layout, and a minimum interaction between the devices and fields. A 7/spl times/7 passive and active amplifier array have been designed and fabricated at Ka-band. Experimental measurement results for both arrays are given.

Published in:
Microwave Symposium Digest, 2002 IEEE MTT-S International  (Volume:3 )

Date of Conference: 2-7 June 2002

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