Twisted pair cable question

[faraz_niz]

Why is that in twisted pair cable, the tighter the twisting, the higher the supported transmission rate?


Thankyou

[yungman]

The tighter the twist, the better the coupling between the two wires, the less the EM escape out along the surface so less energy is lost from radiation along the way so higher frequencies can be carry for longer distance.

[subtech]

Look here:

http://en.wikipedia.org/wiki/Twisted_pair

hope this helps

[yungman]

I totally forgot the common mode rejection part!!! Sorry.