Reconfigurable Reflectarray Antenna: A Comparison between Design Using PIN Diodes and Liquid Crystals

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Technology</td><td class="align_center">Control</td><td class="align_center">Complexity (cost)</td><td class="align_center">Loss</td><td class="align_center">Switching time</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">PIN diodes</td><td class="align_center">Digital</td><td class="align_center">0</td><td class="align_center">+</td><td class="align_center">+</td></tr><tr><td class="align_left">Liquid crystal</td><td class="align_center">Analogue</td><td class="align_center">0</td><td class="align_center">-</td><td class="align_center">-</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>General comparison between the PIN diodes and liquid crystal base planar reflector design (“+,” “0,” and “-” symbols refer to good, neutral, and poor, respectively).</div>

Wireless Communications and Mobile Computing

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Table 3

Table 3: Reconfigurable Reflectarray Antenna: A Comparison between Design Using PIN Diodes and Liquid Crystals 