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Fully Integrated Differential Distributed VCO using Ansoft IC Solution

Fully Integrated Differential Distributed VCO using Ansoft IC Solution

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DD<strong>VCO</strong> Design Considerations:<br />

HFSS export from Virtuoso<br />

• DD<strong>VCO</strong> simulation requires high accuracy passive modelling.<br />

• Passives have been characterized <strong>using</strong> HFSS<br />

• Transmission lines and interconnections have bee characterized <strong>using</strong> HFSS<br />

• All the simulation must be performed from DC up to 3°-4° harmonics for accurate<br />

transient analysis<br />

Inductors<br />

<strong>Differential</strong> Microstrip lines<br />

© 2008 <strong>Ansoft</strong>, LLC All rights reserved. <strong>Ansoft</strong>, LLC Proprietary<br />

Analogies Proprietary & Confidential

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