[SI-LIST] Re: question about hspice
- From: "Clewell, Craig" <cclewell@xxxxxxxxxxxxxx>
- To: "'zhang_kun@xxxxxxxxxx'" <zhang_kun@xxxxxxxxxx>,si-list <si-list@xxxxxxxxxxxxx>
- Date: Mon, 10 Nov 2003 09:08:23 -0500
Zhangkun,
I don't know if this is a typo, or your a copy of the netlist, but the first
line and last line have different variables. You have eps_nul on the first
line and esp_nul on the last.
If you run this code and probe V(1000) you will get a peak amplitude of
1.69E-12 as expected.
.param esp_nul=8.85e-12
.param cell_x=7.62e-3
.param cell_y=10.16e-3
.param d=406.4e-6
.param cell_c='esp_nul*cell_x*cell_y/d'
vin 1000 0 pulse(0 cell_c 0 100e-12)
rin1 1000 0 50
.tran 5e-12 1e-9
.END
Regards,
Craig
-----Original Message-----
From: Zhangkun [mailto:zhang_kun@xxxxxxxxxx]
Sent: Saturday, November 08, 2003 10:17 PM
To: si-list
Subject: [SI-LIST] question about hspice
Dear all
Recently, I meet one problem about hspice. It is described following.
.param eps_nul=8.85e-12
.param cell_x=7.62e-3
.param cell_y=10.16e-3
.param d=406.4e-6
.param cell_c='esp_nul*cell_x*cell_y/d'
In theory, cell_c should be 1.69e-12. But the result of hspice is 10u. I
guess I miss some setting which define the minimum data. Could anybody tell
me how to set the simulation environment?
Best Regards
Zhangkun
2003.11.09
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