Development of a 100 mW-Class 94 GHz High-Efficiency Single-Series Rectifier Feed by Finline for Micro-UAV Application

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr class="thead"><td class="align_center" colspan="3">Transmission efficiency (dB)</td><td class="align_center" rowspan="2">MSL loss (dB/mm)</td><td class="align_center" rowspan="2">MSL loss <i>α</i> (<i>L</i> = 40 mm) (dB)</td><td class="align_center" rowspan="2"><i>η </i><sub>MSL</sub> = 1 − <i>α</i></td><td class="align_center" rowspan="2"><i>η </i><sub>fin</sub></td></tr><tr class="thead"><td class="align_left"><i>L</i> = 40 mm</td><td class="align_center"><i>L</i> = 61 mm</td><td class="align_center"><i>L</i> = 82 mm</td></tr><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td class="align_left">−3.50</td><td class="align_center">−4.90</td><td class="align_center">−6.23</td><td class="align_center">0.065</td><td class="align_center">2.08</td><td class="align_center">0.62</td><td class="align_center">0.85</td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Measurement result of FMF sample transmission efficiency and calculated result of <i>η</i><sub>MSL</sub> and <i>η</i><sub>fin</sub>.</div>

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Table 3: Development of a 100 mW-Class 94 GHz High-Efficiency Single-Series Rectifier Feed by Finline for Micro-UAV Application 