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Infiniisim and sum of frequency response

Question asked by conchiupct on Dec 28, 2009
Hello everybody!

On the one hand, I have the Infiniium 90804A with Infiniisim Basic installed. On the other hand, I have the ENA 5071B. I need to eliminate the effect of the sum of two low noise amplifiers in my measurement with the scope using Infiniisim. To do this, I think I would need to characterize my amplifiers (S21 parameter) with my ENA, sum their frequency responses, and save the result in Touchstone format in order to provide the whole Touchstone file to Infiniisim. What do you think? How could I do it? I would need some ideas...

Thank you in advance.