Joel,

Thanks for the link to the interview. I wish the commercial versions of
software could be as simple to use as RFSIM99. I was ready to purchase
the Gold version of the Superspice simulator and requested some adice
from the manufacturer. Having sent 2 emails with no response I have
decided to continue using the freeware RFSIM99.

I find RFsim to be really easy to use. I am a novice with regard to
simulation but find the editor intuitive to us.

I have downloaded a number of "S-Parameter" files from manufacturers and
it is a breeze to use these. I suppose If I could afford a network
analyser I could develop a set of S-parameters for any device I use and
any bias condition.

Its a shame someone did not develop the program and offer a low cost
version with a few more features and support. I find the free version is
great and would have been happy to pay something for it.

Regards

David



Joel Kolstad wrote:
"David" wrote in message
...
Do you know if they ever made another version of this program or sell a
commercial version of it ?

The author, Stewart Hyde, didn't do so. See:
http://www.practicalrf.com/$Newsletter/e-letters/February2006/RFSim99.htm

Hi David,

"David" wrote in message
...
Thanks for the link to the interview. I wish the commercial versions of
software could be as simple to use as RFSIM99. I was ready to purchase the
Gold version of the Superspice simulator and requested some adice from the
manufacturer. Having sent 2 emails with no response I have decided to
continue using the freeware RFSIM99.

You might try posting to sci.electronics.design or sci.electronics.cad --
Kevin Aylward seems to read those on regular occasion.

Not to imply that ignoring your requests through his web site is acceptable,
of course.

I have downloaded a number of "S-Parameter" files from manufacturers and it
is a breeze to use these. I suppose If I could afford a network analyser I
could develop a set of S-parameters for any device I use and any bias
condition.

Yes, although de-embedding the fixture, mounting pads, etc. can sometimes be
annoying.

Depending on the frequencies you need to cover, there are several inexpensive
"homebrew" network analyzers out there... TAPR has one
(http://www.tapr.org/kits_vna.html), and there's another one kicking around
that's better for lower frequencies.

---Joel