[SI-LIST] Re: Driver slew rates
- From: ravikumar potluri <potluri.ravikumar@xxxxxxxxx>
- To: balaseven@xxxxxxxxx
- Date: Sat, 23 Nov 2013 17:26:13 +0100
Thank you all very much. Please find the attached figure. I downloaded the
IBIS model from TI and spartan websites. Also I used different drive
strengths but no improvement.
Regards,
Ravi
On Sat, Nov 23, 2013 at 5:20 PM, bala <balaseven@xxxxxxxxx> wrote:
> Ravi,
> Pls check driver's input impedance and use low strength model if your tline
> is short.check your package model too.
> Regard
> bala
> On 23 Nov 2013 21:34, "steve weir" <weirsi@xxxxxxxxxx> wrote:
> > No.
> >
> > Check your models and your simulation set-up.
> >
> > Steve.
> > On 11/23/2013 7:48 AM, ravikumar potluri wrote:
> > > Hello friends,
> > > If the slew rate of driver is much higher than the slew rate of
> receiver
> > > does this cause reflections on the transmission line?
> > >
> > >
> > > I am simulating ADS62P49, 250 MSPS ADC chip (Driver) with Spartan
> 3A-DSP
> > > (Reciever). I see lot of ringing at the output even when the chips are
> > > connected directly with termination in between and with no transmission
> > > line.
> > >
> > > Could someone explain this?
> > >
> > > Thanks and Regards,
> > > Ravi
> > >
> > >
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