Subject: Re: [IBIS-Users] How to perform Laboratory measurement for getting VI and VT data
From: Robert Haller (rhaller@sisoft.com)
Date: Fri Sep 12 2003 - 05:37:15 PDT
Anil,
Tom is absolutely correct. It takes skills, experience and expensive
equipment to do the job right (this is also what my paper concluded).
regards,
Bob
p.s. I believe past proceedings can be back-ordered from the IEC.
.
Tom Dagostino wrote:
> Anil
>
> There are services such as myself that do this kind of work. It takes a lot
> of equipment, knowledge, skills and experience to do it right. Most of the
> ICs today will have transitions on the order of 200 psec or less. This puts
> the bandwidth of the signals to be measured greater than 1 GHz. Many of
> today's IC have energy out to more than 10 GHz. This is the realm of
> microwave measurements. The cost of the equipment tracks the frequencies
> that need to be measured.
>
> You are not going to get a cookbook answer to your question from a reflector
> such as this and be able to go off and make your measurements. It takes a
> lot of experience using the proper T&M equipment, understanding of how the
> components work, how to instrument and stimulate the DUT, etc. to do the job
> right.
>
> Regards,
>
> Tom Dagostino
> Teraspeed Consulting Group LLC Teraspeed Consulting Group LLC
> 2926 SE Yamhill St. Device Modeling Division
> Portland, OR 97214 13610 SW Harness Lane
> Beaverton, OR 97008
> http://www.teraspeed.com 503-430-1065
> tom@teraspeed.com
>
>
> -----Original Message-----
> From: owner-ibis-users@eda.org [mailto:owner-ibis-users@eda.org]On
> Behalf Of anil kumar
> Sent: Thursday, September 11, 2003 1:15 AM
> To: ibis-users@eda.org
> Subject: [IBIS-Users] How to perform Laboratory measurement for getting
> VI and VT data
>
>
> Hi sudheer & experts,
> My question is how to get V-I and V-t curves by
> Direct measurement method. Please suggets me any
> material which contains detailed explanation(with some
> circuit diagrams preferrably)of Lab set up.What is the
> use of curve tracer for getting data? I don't have
> cuve tracer. Please tell me what can I use in place of
> cuve tracer.
> sudheer, I followed your suggested material. It is
> helpful for me in knowing the modes of operations for
> getting the typ min max values. But what my doubt is,
> can I use HSPICE simulation set up for Laboratory
> measurements also? If no, then Please suggest any
> other material which will be helpful to perform Direct
> measurement.
> with regards,
> anil.
>
-- Robert J. Haller (rhaller@sisoft.com) Principal Consultant Signal Integrity Software Inc. 6 Clock Tower Place, Suite 250 Maynard, MA 01754 Phone: (978) 461-0449, ext 15|------------------------------------------------------------------ |For help or to subscribe/unsubscribe, email majordomo@eda.org |with just the appropriate command message(s) in the body: | | help | subscribe ibis <optional e-mail address, if different> | subscribe ibis-users <optional e-mail address, if different> | unsubscribe ibis <optional e-mail address, if different> | unsubscribe ibis-users <optional e-mail address, if different> | |or email a written request to ibis-request@eda.org. | |IBIS reflector archives exist under: | | http://www.eda.org/pub/ibis/email_archive/ Recent | http://www.eda.org/pub/ibis/users_archive/ Recent | http://www.eda.org/pub/ibis/email/ E-mail since 1993
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