Accordingly, the FET of the apparatus of the present invention has {HEAD ~ the advantages} that the FET function can be performed with {TAIL ~ high efficiency} at high speed, and that a lower bias voltage source can be employed 
Accordingly , the FET of the apparatus of the present invention has { HEAD ~ the advantages } that the FET function can be performed with { TAIL ~ high efficiency } at high speed , and that a lower bias voltage source can be employed
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