[IBIS-Users] IBIS AMI analog channel

From: Eric Monteiro <Eric.Monteiro_at_.....>
Date: Tue Sep 22 2009 - 18:53:53 PDT
Hello

Upon reviewing the following presentation:
http://www.eda.org/ibis/summits/jul09/katz1.pdf pages 3 through 6

Where the impulse respone is measured remains unlear.

1) I assume the ideal pulse is forced at the input of the Tx and the output is measured after the analog front end of the Rx (i.e. the input to the CDR).

So my question is, where have other model developers forced the impulse (input or output of Tx), and measured the impulse reponse (input or output of Rx) that is then passed to AMI_Init?

2) If the pulse is indeed forced at the input of the Tx, and meausred at the output of the Rx (right before the CDR) does that not mean that AMI is NOT compatible with current IBIS models since you can't measure an output from an Rx input buffer?  In which case, AMI should just be its own standalone standard not imbeded within an IBIS model (like ICM), shouldn't it?

Regards,
Eric

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Received on Tue Sep 22 18:54:44 2009

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