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  1. sowmya99336

    An Antenna Design

    Hi mirok As far as I know, 300W is a huge power which cannot be handled by microstrip antenna substrates..... I suggest you call any manufacturer like Rogers corporation and find out if at all any substrates exist.. Regards n best wishes
  2. sowmya99336

    An Antenna Design

    Why don't you try a printed spiral antenna........ i'm not sure...just give it a thought
  3. sowmya99336

    The relationship between antenna and its radiation pattern (H...HELP!)

    Hi Raymondli, I just read your question. As you said PIFA is a kind of microstrip antenna, the main beam occurs in the broadside, i.e., perpendicular to the the patch. Ephi is defined as thetha constant and phi varied from -180 to +180 degrees. Assume thetha some values and vary phi and you...
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