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High speed signal Over shoot ringing effect at the reciever

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In High speed digital circuits if Driver impedance is less than the tracer impedance of connected to Receiver then there is overshoot and under shoot will occur and as a result signal will be ringing. Upto what level the signal overshoot and under shoot can be bearable. if over shoot signal will be with in the nosie margin of the receiver level then what will be effect on the reciever signal due to overshoot.

if the over shoot signal is ossilationg above the noise margin rage what will be the signal (How the signal varies) at the reciever end.


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kil
 

Too much overshoot can damage the gate on the mosfet, this also increases the switching power. Too much undershoot and the mosfet could glitch. If the glitch is long enough it will corrupt the data.
 

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