[SI-LIST] Re: Receiver End Signal
- From: "Aloke Bhattacharya" <aloke.bhattacharya@xxxxxxxxx>
- To: kedar@xxxxxxxxxxxxxx
- Date: Tue, 09 Jul 2002 12:51:34 +0500
Hello Kedar,
If there is no termination at the end of the line, then if the driver
is driving a 3.3V waveform with 1ns risetime, at the receiver end the
signal will reach 6.6V within this 1ns. That's why you will see a
sharper edge at the load end.
P.S.: I used 3.3 and 6.6 V just as an example. Definitely you won't get
6.6V because the initial voltage will be less than 3.3V because of the
source resistance of the driver[Vi=Vs*[Z0/(Z0+Zs)]]
Thanks and Regards,
Aloke
----- Original Message -----
From: "Kedar P. Apte" <kedar@xxxxxxxxxxxxxx>
Date: Tuesday, July 9, 2002 9:58 am
Subject: [SI-LIST] Receiver End Signal
> Hi SI GURUs
>
> I am a new user of SI Tools so please coop up with me I am in a
> learning process
>
> so when I view any waveform for reflections in the tool I am
> getting sharper edge on the receiver point than on the driver
> point
> I am unable to understand this.
> can any one tell me is it correct or where the problem may be
> on that net the tracelength is exceeding the calculated one.
>
> thanks in advance
> -------------------------------------------------------
> With Regards,
> Have A Nice Day,
>
> Bye,
>
> KEDAR P. APTE
> Member Technical Staff
> RTSDG, C-DAC Bangalore
> Off :+91-080- 5341909/1874 - 145
> Res :+91-080- 5269939
> -------------------------------------------------------
>
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