[SI-LIST] Re: How do you perform a frequency sweep of a differential coupled line model in Hspice ?

  • From: "Zabinski, Patrick J." <zabinski.patrick@xxxxxxxx>
  • To: si-list@xxxxxxxxxxxxx
  • Date: Wed, 18 Feb 2004 06:25:17 -0600

Try 

  VIN in_p in_n ac=0.2

This then forces a differential voltage, so no math functions
need to be performed.  If you need a DC offset, you can
add one with a single DC supply from in_n to ground.

Pat

> 
> Vin_p in_p 0 ac=0.2
> Vin_n 0 in_n ac=0.2
> 
> ---
> 
> Vin_p in_p 0 ac=0.2
> Vin_n in_n 0 ac=-0.2
> 
> ---
> 
> Vin_p in_p 0 ac=0.2
> Vin_n in_n 0 ac=0.2,180
> 
> ---
> 
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