[SI-LIST] : About the Eye Patterns and the terminations of bus

chenlanbing (rachel.chen@huawei.com.cn)
Wed, 14 Apr 1999 10:15:41 +0800

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Greetting for all,

First question:
I readed the email in si-list 1996 about the eye pattern.But now I amn't clear.The jitter is the key of eye pattern.It is fix from simulation results,including skin effect,FR4 loss and reflection etc.Is it ture to create eye pattern form
simulation,such as HSPICE ?If it is OK,I wish get the detail ways form HSPICE simulations results.In its manual is too simple.

Second question:
Above is the TOP of some circuit.
[Image]
U1 and U2 is driver cards.U3~U5 is receiver cards.In the same time,U1 and U2 is only one working.But in the application,U1 and U2 maybe all in the backplane or maybe only one in the backplane.Who can tell me the terminations technologies or where is the
papers about this?

Thanks.

Rachel

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Greetting for all,

First question:
    I readed the email in si-list 1996 about the eye pattern.But now I amn't clear.The jitter is the key of eye pattern.It is fix from simulation results,including skin effect,FR4 loss and reflection etc.Is it ture to create eye pattern form simulation,such as HSPICE ?If it is OK,I wish get the detail ways form HSPICE simulations results.In its manual is too simple.

Second question:
    Above is the TOP of some circuit.

U1 and U2 is driver cards.U3~U5 is receiver cards.In the same time,U1 and U2 is only one working.But in the application,U1 and U2 maybe all in the backplane or maybe only one in the backplane.Who can tell me the terminations technologies or where is the papers about this?

Thanks.

Rachel
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