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Journal Antennas №11 for 2011 г.
Article in number:
Optoelectronic devices for phased-array signal forming based on periodic structures
Keywords: optomicrowave device phased-array fast photodetector low-pass and high-pass filter periodic waveguide structure planar delay-line structure
Authors:
N. M. Ushakov, R. V. Bykov
Abstract:
At construction of feeding superbroadband antenna systems new of construction principles for signal forming devices can be demanded. In the work, a new optomicrowave devices intented for superbroadband signal summation and delay and based on periodic planar delay-line structures are offered. It-s structures represent microstrip periodic transmission lines which elements consist of high-speed photodetectors and elements of the microwave integrated circuits. It is shown that such devices are capable to provide a variable delay of radio signals from 0,1 to hundreds nanoseconds over the frequency band of 20 GHz and above and phase shift on one element of phased-array from 0 to 360 degrees.
Pages: 21-26
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