[SI-LIST] Re: Which tool is the best

A bird told me that the "new" Hyperlynx incorporates
now the XTK/Quad engine, which Mentor got from
Viewlogic/Innoveda, which was very, very good.
As you may see on the Mentor's web site, the XTK is
downplayed nowadays, and Hyperlynx is heavily
promoted, for good reasons...
/dan

--- Kellee Crisafulli <kelleecrisafulli@xxxxxxxxxxx>
wrote:
> Hello all,
> 
> I often hear comments like the one below which seems
> to be based on here-say
> heard from a sales person as opposed to real user
> feedback on the current 
> version of the tool:
> 
> " I would have said that Hyperlynx is a low-end tool
> as well, although I 
> understand that it's come
> a long way in the last few years"
> 
> For example to say the Hyperlynx Si tools are
> low-end may have been true in 
> 1991
> but saying that today is like saying Harley Davidson
> makes low end motorcycles.
> 
> Many features in Hyperlynx are "best-in-class" for
> example I feel the 
> cross-talk feature may be more
> advanced than any other tool in the market because
> of it's ability to 
> automatically
> identify the net's that need to be included in the
> simulation.  Most other 
> tools in the market require
> the user to "guess" which nets needs need to be
> included by specifying a 
> distance around the signal
> being analyzed.  Even the best SI engineers cannot
> "guess" correctly all 
> the time.  Having a tool with the
> expert system built in to determine the required
> nets is very powerful.
> 
> All SI tools have dozen's of settings that determine
> the details of how the 
> simulation will be created.
> Many people forget about these settings when they
> use the tools.  As a 
> result some times the results are not as accurate as
> desired.  HyperLynx 
> has expert-system automation for many of these
> settings resulting in much 
> more accurate
> simulations by people that do not use the tools
> every day.
> 
> Since being acquired by Pads then Innoveda, and now
> Mentor the HyperLynx 
> tool has been improved each time it was acquired by
> choosing some of the 
> best technologies available within the new parent
> company.
> 
> I don't believe there is "best tool" in the market
> some tools have better 
> batch mode features
> some have better user interfaces, some have complex
> automation which 
> safe-guards the user (like HyperLynx).
> Some tools are only 2D or 2.5D while others are full
> 3D analyzers.
> A 2D tool uses a 2 dimensional field analyzer to
> create the simulation.  A 
> full 3D tool (when enabled for 3D)
> will use a full 3D analysis (generally VERY SLOW)
> and very accurate.
> Still other tools have features for power supply or
> RF analysis that are 
> best in class.
> And to complicate matters even more the tools are
> constantly evolving.
> 
> 1) I urge people to refrain from comments about
> tools based on 3 to 10 year 
> old information received from
>       a competing sales person.
>      If you have concrete information based on your
> own work with a tool 
> than by all means share it.
> 2) A "best tool" is the one that reliably get's your
> job done in a timely 
> manor.
> 3) If only HyperLynx had that nice Harley Davidson
> rumble driving out of 
> the parking lot it would be really great :)
> 
> My bias (for those who do not know me):
> This is is a biased comment from one of the author's
> of the HyperLynx tool 
> and a founder of the IBIS group.
> 
> best regards,
> Kellee Crisafulli
> 
> At 12:37 AM 4/14/2004, you wrote:
> >I would have said that Hyperlynx is a low-end
> >tool as well, although I understand that it's come
> >a long way in the last few years.
> >
> >I'm most familiar with SpecctraQuest, and I highly
> >recommend it. It's my impression that ICX is
> comparable
> >in every way.
> >
> >SpecctraQuest is particularly recommended if you
> >are using Allegro for board design, since there is
> no
> >translation procedure required for moving the board
> >database into SpecctraQuest in that case.
> >
> >
> >On Apr 13, 2004, at 10:51 PM, Dan Bostan wrote:
> >
> > > Hyperlynx, ICX and Spectraquest.
> > > Protel is a low end tool, good only for small
> PCB
> > > designs.
> > > /dan
> > >
> > > --- Tayyab Jamil <tayyab@xxxxxxxxxxxxxx> wrote:
> > >> Hello,
> > >>
> > >> Can any one seggest me the good and reliable
> tools
> > >> for signal integrity
> > >> simulations? Also how do you people rate PROTEL
> 99
> > >> SE for PCB designing and
> > >> signal integrity simulations?
> > >>
> > >> Tayyab Jamil Qureshi
> > >>
> > >> Sr. Design Engineer
> > >> CARE Pvt. Ltd.
> > >> 19 Attaturk Avenu, G-5/1
> > >> Islamabad, Pakistan
> > >> Phone: +92 51 2874794
> > >>        +92 51 2874115
> > >> Fax:   +92 51 2874614
> > >> Cell:  +92 300 9506986
> > >> email: tayyab@xxxxxxxxxxxxxx
> 
> 
>
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