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Ultrawide Band Antenna and Filter Design

Ultrawide Band Antenna and Filter Design

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Evaluation Method<br />

47<br />

Measurement outline<br />

N.W.A<br />

DUT<br />

Method<br />

Cancel of jig loss<br />

De-embedded<br />

Merit<br />

Easy to get attenuation<br />

characteristics<br />

S-parameter data available<br />

After calibrate with cable terminal <strong>and</strong> measure<br />

S-Parameter of filter with board or SMA<br />

connector, cancel board or SMA connector then<br />

derive only filter characteristics.<br />

Demerit<br />

No S-parameter data<br />

2005/11/3

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