[SI-LIST] Re: Diff.Pairs

  • From: MikonCons@xxxxxxx
  • To: si-list@xxxxxxxxxxxxx
  • Date: Wed, 15 Oct 2003 03:46:00 EDT

In a message dated 10/13/2003 7:32:48 PM Pacific Standard Time, 
mchin@xxxxxxxxx writes:
"Given that we have to use broadside coupling routing to exit the pin array,
  is it better to continue this broadside coupling, or is it better to switch 
to the
  coplanar route when have a chance at a cost of an VIA ?  To put some limits
  on the application, lets assume that this is for a 622MHz LVDS, running 5" 
  the destination ASIC."
Given that you have already provided appropriate planar spacing to achieve 
the desired impedance, continue the BC pairs to their destinations (assuming no 
other overriding considerations).


Michael L. Conn
Owner/Principal Consultant
Mikon Consulting

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