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Hi Mani,
3db is not in the terms if percent, it is in the terms of power where the signal power is lost.
4% return loss is good but more return loss leads to more miscommunication.
Hi cmd,
The formula for return loss is RL=10*log(Pr/Pi).
1)In return loss positive is loss and negative implies gain.
2) s11 parameters are used.
3) There is no relation between return loss and the cable loss. When cable length is more then the cables loss is increased.
4) Yes it affects your...
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