[SI-LIST] Re: f-domain to t-domain simulation

Michael

Yes, it is real, as any TDR of a channel will tell you.  It is a 
combination of increasing DC channel resistance, and increasing loop 
inductance at lower frequencies - as the signal penetrates more deeply 
into the conductors.

regards,
Scott

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Michael Rose wrote:
> When I convert a f-domain channel to differential t-params (TDD11), I
> notice the impedance rising along a transmission line segment as if the
> tline is predominantly inductive. This tends to bias the impedance
> higher for features towards the far end. The single-ended f-domain
> channel includes the normal 50 ohm terminations. Is this a real
> phenomena? How is it explained?
>
> Thanks. Mike  
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