[ibis-macro] CTLE and Wave Shape filtering?
- From: Scott McMorrow <scott@xxxxxxxxxxxxx>
- To: IBIS-ATM <ibis-macro@xxxxxxxxxxxxx>
- Date: Thu, 14 Oct 2010 14:30:54 -0400
A question to the group.
Modern SERDES Tx and Rx circuits can employ both continuous time linear
equalizers (CTLE) at both the transmitter and receiver. In addition,
wave shape filtering is often employed to control the Tx output
spectrum. By definition, these circuits are in the analog domain, and
as a first approximation are linear time invariant (LTI).
How are these elements being handed with current AMI models within the
proposed comprehensive set of simulation flows, since IBIS Tx drivers
have only a partial ability to model wave shaping, and no ability to
model a CTLE? Are they currently being included as additional external
circuit models to be concatenated with the remainder of the Analog channel?
Regards,
Scott
--
Scott McMorrow
Teraspeed Consulting Group LLC
121 North River Drive
Narragansett, RI 02882
(401) 284-1827 Business
(401) 284-1840 Fax
http://www.teraspeed.com
Teraspeed® is the registered service mark of
Teraspeed Consulting Group LLC
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