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Differential impedance measurement

DSA8300, DSA8200
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noeliascotti
Posts: 1
Joined: March 4th, 2021, 5:55 am
Country: Argentina

Differential impedance measurement

Post by noeliascotti » March 5th, 2021, 4:34 am

c1p2.png
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Hello, I am trying to measure the impedance of a coupled microstripline with the P80318. Is it ok to sum both channels in order to obtain the Zdiff? Zdiff = 2* Zodd, but in this case I think I have to sum Zodd1 + Zodd2. Can you recommend to me an application note for measuring diff pairs with a TDR. Sadly, the Tektronix manual doesn´t help to use the TDR (at least for a begginer). Please see the attached image. Thanks!

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