The length of transmission line is depend on the wavelength of signal being transmitted why?




and why and how coaxial canle take Max transmission channel as compare to UTP and stp?

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High and high

 

Well I guess the simple explanation for the first questions is this: If the antenna is too short, it won't receive the entire wavelength. If it's too long, the radio waves that it receives will cancel eachother out.

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I'm no electronics god, i just talk too much.

 

The length of a transmission line is the length of cable needed to go from the source to the load.


This question does not make sense in English.
Can you try to re-phrase it?

JimB

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Experience is directly proportional to the value of the equipment ruined.

 

The length of a transmission line does not depend on the wavelength if it is properly terminated in the characteristic impedance.

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and what's teh answer of my 2nd question?

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High and high

 

The problem with unshielded twisted pair (and shielded also) is that the characteristic impedance is not uniform, so you can't get a proper termination. At low frequency it works OK but for high frequency, use coaxial cable.

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Oops, should've read more carefully. I thought he was talking about an antenna

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I'm no electronics god, i just talk too much.