串擾一(collected by 19245068)Crosstalk I
Overview and Modes Prerequisite Reading: Chapter 3
Overview
What is Crosstalk? Crosstalk Induced Noise Effect of Crosstalk on Transmission
2
Line Parameters Crosstalk Trends Design Guidelines and Rules of Thumb
Crosstalk Induced Noise
Key Topics:
9Mutual inductance and capacitance 9Coupled noise 9Circuit model 9Transmission line matrices
3
Mutual Inductance and Capacitance
Crosstalk is the coupling of energy from one line
to another via:
Mutual capacitance (electric field) Mutual inductance (magnetic field)
Mutual Inductance, Lm
Zo Zo far
4
Mutual Capacitance, Cm
Zo Zo far Cm
Lm near Zo Zs Zo
Zs
near
Mutual Inductance and Capacitance
“Mechanism of coupling”
5
The circuit element that represents this
transfer of energy are the following equations
VLm
……