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Tubelab Discussion and support of Tubelab products, prototypes and experiments 

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3rd October 2011, 02:37 AM  #11  
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3rd October 2011, 03:04 AM  #12  
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You measure the Vout with two different values of load, and calculate the output current for the two situations. Then you take the difference between the two load currents as deltaI, and the difference between the two Vout's as deltaV. Rout = deltaV/deltaI. jan didden
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3rd October 2011, 03:13 PM  #13 
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Location: So.Cal.

Thanks guys! I was assuming that two different loads would work; same as above except both R values are finite.......
OK next question......if using 2, 4, 8, 16 ohm loads, connect them all to the 8 ohm tap? (I have 4 and 8 ohm taps available). Last edited by boywonder; 3rd October 2011 at 03:36 PM. 
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