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Optical control of an 8-element Ka-band phased array antenna using a high-speed optoelectronic interconnect

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4 Author(s)
Richard, M.A. ; Dept. of Electr. Eng., Case Western Reserve Univ., Cleveland, OH, USA ; Claspy, P.C. ; Bhasin, K.B. ; Bendett, M.

Optical distribution of control signals in electronically steered phased array antennas is considered. A demonstration experiment in which a high-speed hybrid GaAs optoelectronic integrated circuit (OEIC) was used to control a 28.2 GHz eight-element phased-array antenna is described. The OEIC, which accepts a serial optical control signal as input and converts it to 16 demultiplexed parallel outputs, was used to control the monolithic GaAs phase shifters of a Ka-band patch panel array antenna. Antenna pattern switching speeds of 2.25 mu s, limited by interface circuitry, were observed.<>

Published in:

Antennas and Propagation Society International Symposium, 1990. AP-S. Merging Technologies for the 90's. Digest.

Date of Conference:

7-11 May 1990