[SI-LIST] Re: Why Termination at Both End ?
- From: steve weir <weirsi@xxxxxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Wed, 10 Aug 2011 01:58:50 -0700
Terminating at both ends squares the attenuation of reflections that
result from the non-ideal case. This greatly relieves the tolerances
required to achieve acceptable intersymbol interference.
Steve.
On 8/9/2011 1:26 AM, Rajan Hansa wrote:
> Experts,
>
> Can anyone explain that why in some designs we see source as well as load
> terminations, I mean termination at both side of traces ? If ringing is a
> issue then only source termination should be sufficient to control it and we
> can use a receiver with very high input impedance i.e. no need to match
> input impedance of receiver with transmission line characteristics
> impedance.
>
> Rajan
>
>
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--
Steve Weir
IPBLOX, LLC
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