Presentation - Accounting for High Frequency Transmission Line Loss
Presentation - Accounting for High Frequency Transmission Line Loss
Presentation - Accounting for High Frequency Transmission Line Loss
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Package Stripline - Surface Roughness<br />
m=1<br />
m=0.5<br />
HFSS simulation with<br />
no S.R. is not lossy enough.<br />
HFSS simulation with 1um<br />
S.R. calculation is too lossy.<br />
α’ c =<br />
α c [ 1 + (2/π tan -1 {1.4(Δ/δ s ) 2 })]<br />
HFSS simulation with 1um<br />
S.R. calculation, assuming<br />
half current distribution on<br />
rough side, fits measured<br />
data very well.<br />
α’ c =<br />
αc [ 1 + 0.5*(2/π tan-1 {1.4(Δ/δs ) 2 })]
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