[SI-LIST] Re: how to plot common mode voltage in Hspice
- From: <piyush.bhatt@xxxxxxxxx>
- To: <si-list@xxxxxxxxxxxxx>
- Date: Tue, 6 Oct 2009 11:21:14 +0530
Hi
We need to do PCI-e gen1 simulations. I extracted s-parameters from
allegro. I used that extracted S-parameter for Hspice simulations. I am
getting single ended plots and differential plots, but I am not getting
plot for common mode voltage.
I am using following command in spice files.
.tran 5p 30n start=2n
.probe tran v(txp_pad,txn_pad) v(rxp_pad,rxn_pad) //for differential
plot
.probe tran V ((rxp_pad+rxn_pad)/2) // for common
mode plot
Is there something wrong with spice commands?
Please help? I am new to Hspice.
Regards
Piyush
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