> Last time I checked the speed of light was still a constant at any
> temperature.  Unless we get into mind bending quantum physics I think that
> at 350 GHz we can expect an electrical or electromagnetic signal to
> propagate the whopping distance of about 850 cm which is not a lot of
> silicon.

  CORRECTION !

  Casper hit me with my HP calculator .. thus

> I think you meant 0.850mm (850 micron), not 850cm :-)
>

bash-3.00$ bc
scale=9
299792458000    <-- c  cm/sec
1*10^9
1000000000
299792458000/1000000000
299.792458000   <-- 299 cm at 1 GHz
299.792458000/100
2.997924580     <-- 2.99 cm at 100 GHz
2.997924580/3.5
0.856549880     <-- 0.857 cm

is that right ?

damn short signal distance is what I mean here.

 .. the situation is even worse at really high frequencies.

Dennis


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