Transmission Line Theory for Digital Signals

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0. TEM wave

TEM mode solution of Maxwell's equations

Distributed L and C model of a transmission line

 

1. Single transmission line

General solution of transmission-line equations

Reflection coefficient

Multiple reflection in a terminated line

How does an electric lamp turn on?

Characteristic impedance of a wire over a ground plane

Characteristic impedance of a wire between two ground planes

 

2. Coupled transmission lines

Differential signaling

General solution of coupled transmission-line equations

Multiple reflection in terminated coupled-lines

Differential and single-ended impedances

Capacitance matrix

Differential impedance of two wires over a ground plane

Crosstalk noise onto a floating line

Crosstalk between two terminated lines (RT=∞,RS= Z0)

Crosstalk between two terminated lines (RS=RT=Zg)

Quasi-TEM approximation of impedance and propagation speed

Crosstalk in a quasi-TEM mode (Forward crosstalk)


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update 2013.3.17 zakii