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S11 value too high!

 
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nikhibhai
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Joined: 18 Oct 2010
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PostPosted: Fri Nov 05, 2010 5:02 pm    Post subject: S11 value too high! Reply with quote

I tried implementing a simple dipole antenna on ADS momentum.
For a frequency of 30GHz half wavelength is 5mm which is the length I set in momentum but the S11 value at 30 GHz is 0.8,i.e., 80% of input is being reflected back. Any idea as to what might be wrong?
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