Performance Regions

1
Performance Regions

• CK Cheng
• CSE Dept.
• UCSD

2
Spectral Content (0,fknee)

• fknee 0.5/tr Hz
• fedge 0.35/tr Hz
• tr T bit width

3
Attenuation Curves
4
Performance Region
5
Lumped-Element Region

• H(w,t)e-gamma(w)zjwt
• For lumped-element region
• length gamma(w)lt delta, delta1/4

6
RC Line Termination
7
RC Line Termination
8
LC Region Char. Impedance

• Zc(jwLRDC)/jwC1/2
• (L/C)1/2(1RDC/jwL)1/2
• Z0(11/jwT), T 2L/RDC

9
LC Region Char. Impedance

• Zc(RsL/sC)1/2Z0(11/sT), T2L/R
• sLgtgtR
• Zc(t)Z0(1t/T)
• tltltT

10
LC Line Characteristic Imp.
11
LC Line Characteristic Imp.
12
LC Line TDR steps
13
LC Line TDR Response
14
LC Line TDR Response
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 EffectStep Response
25
Dielectric Loss Characteristic Imp.
26
Dielectric LossTDR
27
Dielectric Loss Propagation Coeffcient
28
Dielectric Loss Step Response
29
Dielectric Loss Step Response
30
Response for Belden coaxial cable
31
Eye Quality for Belden coaxial cable
32
Length Scaling
33
Length Scaling
34
Length Scaling and Skin Effect
35
Length and Width Scaling
36
Length Scaling
37
Distortion vs Length
38
Dispersion Penalty
39
Equalization