Does anyone have less complicated, more accurate closed form equations for
edge-coupled and broadside-coupled striplines (and microstrips?)
A peripheral question - is the number of coupled modes for a *symmetrical*
N-conductor bundle of wire? N*(N-1)/2-1?
Georg Ramsch wrote:
> Hello, Andy !
> Thanks for your hints; the errata file is not complete.
> Sometimes faults occur in this book, which are not believable.
> "The never ending search" experienced a lot of people, including me.
> When I found the formulas for coupled lines mostly being wrong (for what reason
> I just "hammered" them to the right direction, using my practical knowledge
> transmission line design. One formula f.e. looked asymmetrical, but should not.
> So I typed the single calculus steps into an Excel spreadsheet and looked at the
> It lasts up to one day / week until one formula is adjusted by this method.
> If you are interested, I could show you a spreadsheet for the calculation
> of max. data transfer rates on bussed systems.
> What are your comments on my sw demo ?
> (also TL design tool, but going further regarding skin effect over temperature
> range, impedance over er range, impedance variation regarding multidrop busses)
> CU :-)
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