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Performance Regions CK Cheng CSE Dept. UCSD. Spectral Content (0,f knee ) f knee = 0.5/t r Hz fedge= 0.35/t r Hz t r = T bit width.

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Presentation on theme: "Performance Regions CK Cheng CSE Dept. UCSD. Spectral Content (0,f knee ) f knee = 0.5/t r Hz fedge= 0.35/t r Hz t r = T bit width."— Presentation transcript:

1 Performance Regions CK Cheng CSE Dept. UCSD

2 Spectral Content (0,f knee ) f knee = 0.5/t r Hz fedge= 0.35/t r Hz t r = T bit width

3 Attenuation Curves

4 Performance Region

5 Lumped-Element Region H(w,t)=e -gamma(w)z+jwt For lumped-element region |length gamma(w)|< delta, delta:1/4

6 RC Line Termination

7

8 LC Region: Char. Impedance Zc=[(jwL+R DC )/jwC] 1/2 =(L/C) 1/2 (1+R DC /jwL) 1/2 =Z 0 (1+1/jwT), T= 2L/R DC

9 LC Region: Char. Impedance Z c =(R+sL/sC)1/2=Z 0 (1+1/sT), T=2L/R –sL>>R Z c (t)=Z 0 (1+t/T) –t<<T

10 LC Line: Characteristic Imp.

11

12 LC Line: TDR steps

13 LC Line: TDR Response

14

15 LC Line: Propagation Coefficient

16 LC Line: Resonance

17 LC Line: H Trajectories

18 Terminations

19 LC Line: Step Response

20 Skin Effect: Characteristic Imp.

21 Skin Effect: TDR Response

22 Skin Effect: Propagation Coefficient

23 Skin Effect: Step Responses vs Termination Styles

24 Skin Effect: Step Response

25 Dielectric Loss: Characteristic Imp.

26 Dielectric Loss:TDR

27 Dielectric Loss: Propagation Coeffcient

28 Dielectric Loss: Step Response

29

30 Response for Belden coaxial cable

31 Eye Quality for Belden coaxial cable

32 Length Scaling

33

34 Length Scaling and Skin Effect

35 Length and Width Scaling

36 Length Scaling

37 Distortion vs Length

38 Dispersion Penalty

39 Equalization


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