[SI-LIST] Re: Number of bits to simulate
- From: Hermann Ruckerbauer <hermann.ruckerbauer@xxxxxxxxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Tue, 06 Dec 2011 16:23:22 +0100
... and of course add worst case X-talk pattern on the neighbouring
aggressors to capture the worst case condition ..
Hermann
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schrieb Todd Westerhoff:
> ... and be run long enough to capture the majority of the ISI from the
> combined behavior of the TX output, channel and RX termination network.
>
> N'est-ce pas?
>
> Todd.
>
> -- Todd Westerhoff VP, Software Products SiSoft 6 Clock Tower Place,
> Suite 250 Maynard, MA 01754 (978) 461-0449 x24 twesterh@xxxxxxxxxx
> www.sisoft.com -----Original Message----- From:
> si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] On
> Behalf Of steve weir Sent: Tuesday, December 06, 2011 9:32 AM To:
> si-list@xxxxxxxxxxxxx Subject: [SI-LIST] Re: Number of bits to
> simulate This subject comes up periodically. Your PRBS pattern length
> should capture the bandwidth limits of the data that will actually
> traverse the channel. Steve. On 12/6/2011 6:01 AM, Roopesh Badala wrote:
>> > Hello Experts,
>> > We are simulating a LVDS channel of 800Mbps datarate using ibis
>> > models& cadence channel analysis tool utilities.
>> >
>> > We are struck at selecting number of bits for simulation.
>> >
>> > How do you decide on the PRBS pattern length for simulation.
>> >
>> > with 32 bits the eye opening is good. but for higher pattern length
>> > the eye opening is bad.
>> >
>> > Is there any relation between the channel length or data rate to
>> > number of bits to simulate.
>> >
>> > kindly advise.
>> >
>> > Thanks in advance
>> >
>> > Roopesh.
>> >
>> >
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> --
> Steve Weir
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