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questions about electrical length

Question asked by elone on Feb 20, 2009
Latest reply on Feb 20, 2009 by Dr_joel
I read 8722ES manual, 08720-90392.pdf. In page 3-30, it says Electrical Length=range *the speed of light (3*10^ 8 m/s). range=(number of points-1)/frequency span.

I use frequency list to calibrate 8722ES, starting at 8GHz, stoping at 40GHz and 1GHz per step, so there is 33 points in total.  I think the electrical length of the frequency is approximately  (33-1)/(40-8)GHz* (3*10^8m/s)=0.3m
But what is the electrical length if I set the frequency 8G, 8.01G,9G,9.01G,10G,10.01G,11G,11.01G...40G?
Is there a difference in the electrical length if I set the frequency 8G, 8.5G,9G,9.5G,10G,10.5G,11G,11.5G...40G?

Thanks.  

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