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CC - P2 - Promo 2028
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Recommended time: 2 min
Which parameter directly influences the propagation time of a step signal/step voltage on the transmission line?
Recommended time: 4 min
We consider a transmission line with a characteristic impedance of . A voltage generator with an impedance of is connected at the input of this line, and a load with an impedance of is connected at the output.
Below is the voltage supplied by the generator as a function of time:
The initial voltage (for t<0) at the output of the line is:
Recommended time: 4 min
We consider a transmission line with a characteristic impedance of . A voltage generator with an impedance of is connected at the input of this line, and a load with an impedance of is connected at the output.
Below is the voltage supplied by the generator as a function of time:
The final voltage at the input of the line when \( t \to \infty is
Recommended time: 3 min
We consider a transmission line with a characteristic impedance of . A voltage generator with an impedance of is connected at the input of this line, and a load with an impedance of is connected at the output.
Below is the voltage supplied by the generator as a function of time:
If the voltage supplied by the generator varies only at \( t = 0s, the voltage at the output of the line varies:
Recommended time: 3 min
We consider a transmission line with a characteristic impedance of . A voltage generator with an impedance of is connected at the input of this line, and a load with an impedance of is connected at the output.
The output reflection coefficient is:
Recommended time: 4 min
We consider a transmission line with a characteristic impedance of . A voltage generator with an impedance of is connected at the input of this line, and a load with an impedance of is connected at the output.
Below is the voltage supplied by the generator as a function of time:
The input voltage variavtion at t=0s is
Recommended time : 2 mn
The reflection coefficient is defined asThe unit of the Poynting vector is:
We consider an electromagnetic wave propagating in air medium. The expression of the magnetic field associated with this wave is:
We can deduce that: