那里能下载：提取RLGC参数的软件呀？

那里能下载：提取RLGC参数的软件呀?

谢谢各位大侠！

据说Ansoft可以提取RLGC参数文件?

不知道是否属实?

HSPICE也可以提前RLGC参数，不过需要自己编网表

是不是就是这个呀?

－－－－－－－－－－－

 *
 .option post = 2
 *diffline.sp : caluclate diff stripline[pcbdiff.rlgc]
 *created by ph_layout@126.com qq:46531766
 *****************************************************
 * material fr-4 w=  s=
 * criss sectuib duagran as fikkiwubg
 *----------------------------------------------------dthickness
 *////////////////////////////////////////////////////dheigth2
 *//////////----dwidth--- dgap ---dwidth----//////////dthickness
 *////////////////////////////////////////////////////dheight1
 *----------------------------------------------------dthickness
 ******************************************************
 .param dheight1=8mil
 .param dheigth2=8mil
 .param dwidth  =5mil
 .param dgap    =9mil
 .param dthickness=1.2mil
 .param dlength=10000mil
 .options probe post
 vimpulse in1 gnd pulse 4.82v 0v 5ns 0.5ns 0.5ns 25ns
 wline in1 in2 gnd out1 out2 gnd fsmodel=dstrip n=2 l=dlength
 .material die dielectric er=4.3 losstangent=0.017
 .material copper metal conductivity=57.6meg
 .shape trace rectangle width=dwidth height=dthickness
 .layerstack stack
 +layer=(copper,dthickness) layer=(die,dheight1) layer=(die,dheigth2) layer=(copper,dthickness)
 .fsoptions opt1 printdata=yes computeg0=yes computegd=yes computer0=yes computers=yes
 .model dstrip w modeltype=fieldsolver
 +layerstack=stack
 +fsoptions=opt1
 +rlgcfile=pcbdiff.rlgc
 +outputformat=rlgcfile
 +conductor=(shape=trace origin=(0mil,'dheight1+dthickness') material=copper type=signal)
 +conductor=(shape=trace origin=('dwidth+dgap','dthickness+dheight1') material=copper type=signal)
 .tran 0.5ns 100ns
 .probe v(out1) v(in1)