[SI-LIST] Re: HSPICE deck for single ended TDR

  • From: steve weir <weirsi@xxxxxxxxxx>
  • To: Dan <signal.integrity2@xxxxxxxxx>
  • Date: Fri, 25 Mar 2011 02:04:29 -0700

Dan, things to suspect that will show a difference:  Insufficient # of 
frequency points in your S parameter file, or the S parameter file is 
composed with log frequency points instead of linear frequency points, 
or the pulse source waveform in your HSPICE deck does not match the 
spectra of the TDR.

Steve.
Dan wrote:
> HI All,
> I have the touchstone file of a single ended trace. I am using HSPICE to
> import that touchstone file and plot the impedance vs time. I have created a
> hspice deck and am not getting exact TDR waveform. Can anyone help me on
> this?
>
> Thank You for your help.
>
> Dan
>
>
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