[SI-LIST] how can I use the R params in EBD file path Description?

  • From: "cat" <cat_carl@xxxxxxxxx>
  • To: si-list@xxxxxxxxxxxxx <si-list@xxxxxxxxxxxxx>
  • Date: Thu, 11 Sep 2003 11:24:38 -0800

Hello,si-list=A3=AC

=09i found in the EBD file(part of an IBIS Specification) the path=
 description is represented by RLC params when Len is not zero. I=
 am trying to use this inform in a lossy transmission line with=
 no cutoff freq. given. For example, the Z =3D sqrt{(Rdc +=
 jwL)/(Gdc+jwC)}.but i found that the LC value is for per=
 arbitary unit ,while R is for the whole section value . So i get=
 confused with the question whether I can use such a  model to=
 represent a path section ?

=09so it come to the problem of length unit again.From one of the=
 former Q/A,someone say it is not a problem for the calculation=
 of z=3Dsqrt(l/c) and td=3Dsqrt(len/lc) will devide the unit off(not=
 a good statement,but i think u can understand my points). This=
 time who can give me an answer?

=09Or shall I use the R value information in another way?

=09Any response will be appreciated.
=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1
 =09=09=09=09

=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1cat
=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1cat_carl@xxxxxxxxx
=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A12003-09-11

=09=09=09=09=09With best regards


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