[SI-LIST] Re: Conversion of .s16p file to two .s8p files

  • From: Ray Anderson <ray.anderson@xxxxxxxxxx>
  • To: <si-list@xxxxxxxxxxxxx>
  • Date: Thu, 22 Sep 2011 15:08:11 -0700

You can actually use just about any tool that will perform frequency
domain simulations to do the port reductions you have inquired about
(i.e. Hspice, ADS, Designer, Hyperlynx, Speed2000, etc. ......)

There are a number of tools that automate the process such as the
Hyperlynx editor, Apache s-parameter utilities, ADS, PowerSI and others.

Just terminate the undesired ports with their characteristic impedance
and put simulation ports on the ones you desire to keep. Then run a freq
domain simulation and write out the results as a Touchstone file. If you
have a .s16p model and terminate 8 of those ports you will end up with a
.s8p model (that has the ports you didn't terminate).

Bottom line is that the conversion is almost trivial with any of the
common tools mentioned above (and others). Some are easier to use than
others, but none are really that difficult.

-Ray Anderson
Xilinx






-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx]
On Behalf Of Beal, Weston
Sent: Thursday, September 22, 2011 2:15 PM
To: Ravinder.Ajmani@xxxxxxxxxxxxxx; si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Re: Conversion of .s16p file to two .s8p files

Ravinder,

You can do this with the HyperLynx Touchstone editor included with
HyperLynx SI/PI. You use the port reduction feature to reduce the matrix
to the first set of 8 ports, and then again to reduce to the second set
of 8 ports.

Regards,
Weston


-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx]
On Behalf Of Ravinder.Ajmani@xxxxxxxxxxxxxx
Sent: Thursday, September 22, 2011 1:53 PM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Conversion of .s16p file to two .s8p files

Hi Experts,
Are any tools available to convert a single Touchstone .s16p file to two
.s8p files. 

Thanks.

Regards,
Ravinder Ajmani
Server PCB Development
Hitachi Global Storage Technologies

Email: Ravinder.Ajmani@xxxxxxxxxxxxxx

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