Performance Regions CK Cheng CSE Dept UCSD Spectral Slides: 39 Download presentation Performance Regions CK Cheng CSE Dept. UCSD Spectral Content (0, fknee) • fknee = 0. 5/tr Hz • fedge= 0. 35/tr Hz • tr= T bit width Attenuation Curves Performance Region Lumped-Element Region • H(w, t)=e-gamma(w)z+jwt • For lumped-element region |length gamma(w)|< delta, delta: 1/4 RC Line Termination RC Line Termination LC Region: Char. Impedance • Zc=[(jw. L+RDC)/jw. C]1/2 • =(L/C)1/2(1+RDC/jw. L)1/2 • =Z 0(1+1/jw. T), T= 2 L/RDC LC Region: Char. Impedance • Zc=(R+s. L/s. C)1/2=Z 0(1+1/s. T), T=2 L/R – s. L>>R • Zc(t)=Z 0(1+t/T) – t<<T LC Line: Characteristic Imp. LC Line: Characteristic Imp. LC Line: TDR steps LC Line: TDR Response LC Line: TDR Response LC Line: Propagation Coefficient LC Line: Resonance LC Line: H Trajectories Terminations LC Line: Step Response Skin Effect: Characteristic Imp. Skin Effect: TDR Response Skin Effect: Propagation Coefficient Skin Effect: Step Responses vs Termination Styles Skin Effect: Step Response Dielectric Loss: Characteristic Imp. Dielectric Loss: TDR Dielectric Loss: Propagation Coeffcient Dielectric Loss: Step Response Dielectric Loss: Step Response Response for Belden coaxial cable Eye Quality for Belden coaxial cable Length Scaling Length Scaling Length Scaling and Skin Effect Length and Width Scaling Length Scaling Distortion vs Length Dispersion Penalty Equalization