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Optimize for bandwidth in IE3D

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Jone

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I'm simulating a patch atenna. It simple to use the optimizer for finding the feeding point for a perfect match at the resonance frequency. But is there a way of also optimizing the antenna for maximum bandwidth? If the antenna height and dielectric is chosen, then the bandwidth is proportional to the width/length ratio. So one needs to maximize the width.
 

Hi, Jone:

What I would suggest you to do is to define the goal as S(1,1) < -10 dB over a wide frequency range. IE3D should try to optimize the structure for the goal you want.

Best regards,
 

    J

    Jone

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if you used from probe feed to patch or probe coaxial, so that S(1,1) < -6 can true.
because this probe has further loss.
 

Actually, the effect of the probe can be accurately modeled in the simulator. You can include the probe and optimize the S(1,1) < -10 dB.
 

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