[SI-LIST] W-element in hspice
- From: Bi Han <mike_bihan@xxxxxxxxxxxx>
- To: List` Si <si-list@xxxxxxxxxxxxx>
- Date: Sat, 23 Aug 2003 22:11:52 +0800 (CST)
Hi, experts:
I had a problem on W-element in hspice.
I am using two kinds of ways to simulate two transmission lines:
1. Use
W1 in1 0 out1 0 N=1 L=length RLGCMODEL=cps_102030
W2 in2 0 out2 0 N=1 L=length RLGCMODEL=cps_102030
.model cps_102030 W MODELTYPE=RLGC
+ N=1
+ Lo= 7.955539012541763e-007
+ Co= 5.977204400100264e-011
+ Ro= 3362.163358282071
+ Rs= 0.01781587892113573
* Gd= 1.151478112888962e-010
2. Use
W1 in1 in2 gnd1 out1 out2 gnd2 N=2 L=length RLGCMODEL=cps_102030X2_30
.model cps_102030X2_30 W MODELTYPE=RLGC
+ N= 2
+ Lo =7.955539012541763e-007 0 7.955539012541763e-007
+ Co = 5.977204400100264e-011 0 5.977204400100264e-011
+ Ro = 3362.163358282071 0 3362.163358282071
+ Go = 0 0 0
+ Rs =0.01781587892113573 0 0.01781587892113573
+ Gd =1.151478112888962e-010 0 1.151478112888962e-010
Simulation with these two kins of configurations are different. Can any one
help me find the reason?
Any thing special in Hspice worth attention?
Thanks!
BH @emlab
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