Re: [SI-LIST] : Ferrite Bead models

Dr. John L. Prince, III (prince@ece.arizona.edu)
Tue, 23 Mar 1999 10:56:29 -0700 (MST)

>Mr Grasso
>
>Since the ferrite beads performance changes radically with frequency, the best
>model would be an S-parameter file. However, the frequency domain
>simulators(HP and Compact)
>are the only ones that can use S-parameters as models.
>
>A distant second would be the bahavioral models.
>
>Ron Miller
>
>
>> Does any one out there have a model (usable in Spice) for a ferrite bead?
>> Thank you
>> Charles Grasso
>> Advisory Engineer
>> StorageTek
>> 2270Sth 88th Street
>> Louisville CO 80027 M/S 4247.
>> Tel:303-673-2908
>> Fax:303-661-7115
>> email:grassc@louisville.stortek.com
>> Web Site: http://www.ewh.ieee.org/r5/denver/rockymountainemc/
>>
>> **** To unsubscribe from si-list: send e-mail to
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>
>--
>Ronald B. Miller _\\|//_ Signal Integrity Engineer
>(408)487-8017 (' 0-0 ') fax(408)487-8017
> ==========0000-(_)0000===========
>Brocade Communications Systems, 1901 Guadalupe Parkway, San Jose, CA 95131
>rmiller@brocade.com, rbmiller@sjm.infi.net
>
>
>
><!doctype html public "-//w3c//dtd html 4.0 transitional//en">
><html>
>Mr Grasso
><p>Since the ferrite beads performance changes radically with frequency,
>the best
><br>model would be an S-parameter file.&nbsp; However, the frequency domain
>simulators(HP&nbsp;and Compact)
><br>are the only ones that can use S-parameters as models.
><p>A distant second would be the bahavioral models.
><p>Ron Miller
><br>&nbsp;
><blockquote TYPE=CITE>Does any one out there have a model (usable in Spice)
>for a ferrite bead?
><br>Thank you
><br>Charles Grasso
><br>Advisory Engineer
><br>StorageTek
><br>2270Sth 88th Street
><br>Louisville CO 80027 M/S 4247.
><br>Tel:303-673-2908
><br>Fax:303-661-7115
><br>email:grassc@louisville.stortek.com
><br>Web Site:&nbsp; <a
>href="http://www.ewh.ieee.org/r5/denver/rockymountainemc/">http://www.ewh.i
>eee.org/r5/denver/rockymountainemc/</a>
><p>**** To unsubscribe from si-list: send e-mail to
>majordomo@silab.eng.sun.com.
>In the BODY of message put: UNSUBSCRIBE si-list, for more help, put HELP.&nbsp;
>si-list archives are accessible at <a
>href="http://www.qsl.net/wb6tpu/si-list">http://www.qsl.net/wb6tpu/si-list<
>/a>
>****</blockquote>
>
><pre>--&nbsp;
>Ronald B. Miller&nbsp; _\\|//_&nbsp; Signal Integrity Engineer
>(408)487-8017&nbsp;&nbsp;&nbsp; (' 0-0 ')
>fax(408)487-8017&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp
>;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
>&nbsp;&nbsp;&nbsp;&nbsp; ==========0000-(_)0000===========&nbsp;
>Brocade Communications Systems, 1901 Guadalupe Parkway, San Jose, CA&nbsp;
>95131
>rmiller@brocade.com,&nbsp; rbmiller@sjm.infi.net</pre>
>&nbsp;</html>

We have a modified SPICE that accepts frequency domain (Y-matrix
macromodel) subcircuit inputs and then performs time-domain simulation on
the entire circuit which may include other linear or non-linear elements,
and a S-matrix to Y-matrix to macromodel converter. John Prince,
University of Arizona

**** To unsubscribe from si-list: send e-mail to majordomo@silab.eng.sun.com. In the BODY of message put: UNSUBSCRIBE si-list, for more help, put HELP. si-list archives are accessible at http://www.qsl.net/wb6tpu/si-list ****