[PCB_FORUM] Re: tline calc vs parasitics

Hello,
 
The simple answer is that the transmission line calculator is based on
closed form equations while display > parasitics calls the field solver.
The transmission line calculator was originally meant as an aid for RF
PCB.
 
Regards,
-Dennis Nagle
Cadence


________________________________

        From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of lthemanz
        Sent: Friday, January 30, 2009 1:56 AM
        To: icu-pcb-forum@xxxxxxxxxxxxx
        Subject: [PCB_FORUM] tline calc vs parasitics
        
        
        Hi folks,
        when I do a stripline (or other scenarios) calculation in the
transmission line calc I get a very different impedance value compared
to the parasitics report. Any idea why? 
        
        rgds,

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