Capacitance matrix
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Capacitance matrix:
where
Inductance matrix:
where
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The equations of coupled transmission lines are expressed in terms of inductance matrix and capacitance matrix:
The inductance matrix components are straightforwardly expressed as:
The capacitance matrix components Cij are defined as electric charge on conductor-(i) when only conductor-(j) is held at 1V and the others are held at 0V:
Assuming that conductor-1 is held at 1V and conductor-2 is held at 0V, we obtain the Ci1 (i=1,2):
